diff --git a/src/.env.example b/src/.env.example
index 7ec4d2c8..85b7d604 100644
--- a/src/.env.example
+++ b/src/.env.example
@@ -1,145 +1,147 @@
 APP_NAME=Kolab
 APP_ENV=local
 APP_KEY=
 APP_DEBUG=true
 APP_URL=http://127.0.0.1:8000
 APP_PUBLIC_URL=
 APP_DOMAIN=kolabnow.com
 APP_THEME=default
 
 ASSET_URL=http://127.0.0.1:8000
 
 WEBMAIL_URL=/apps
 SUPPORT_URL=/support
 SUPPORT_EMAIL=
 
+APP_TENANT_ID=1
+
 LOG_CHANNEL=stack
 
 DB_CONNECTION=mysql
 DB_DATABASE=kolabdev
 DB_HOST=127.0.0.1
 DB_PASSWORD=kolab
 DB_PORT=3306
 DB_USERNAME=kolabdev
 
 BROADCAST_DRIVER=redis
 CACHE_DRIVER=redis
 
 QUEUE_CONNECTION=redis
 
 SESSION_DRIVER=file
 SESSION_LIFETIME=120
 
 MFA_DSN=mysql://roundcube:Welcome2KolabSystems@127.0.0.1/roundcube
 MFA_TOTP_DIGITS=6
 MFA_TOTP_INTERVAL=30
 MFA_TOTP_DIGEST=sha1
 
 IMAP_URI=ssl://127.0.0.1:993
 IMAP_ADMIN_LOGIN=cyrus-admin
 IMAP_ADMIN_PASSWORD=Welcome2KolabSystems
 IMAP_VERIFY_HOST=false
 IMAP_VERIFY_PEER=false
 
 LDAP_BASE_DN="dc=mgmt,dc=com"
 LDAP_DOMAIN_BASE_DN="ou=Domains,dc=mgmt,dc=com"
 LDAP_HOSTS=127.0.0.1
 LDAP_PORT=389
 LDAP_SERVICE_BIND_DN="uid=kolab-service,ou=Special Users,dc=mgmt,dc=com"
 LDAP_SERVICE_BIND_PW="Welcome2KolabSystems"
 LDAP_USE_SSL=false
 LDAP_USE_TLS=false
 
 # Administrative
 LDAP_ADMIN_BIND_DN="cn=Directory Manager"
 LDAP_ADMIN_BIND_PW="Welcome2KolabSystems"
 LDAP_ADMIN_ROOT_DN="dc=mgmt,dc=com"
 
 # Hosted (public registration)
 LDAP_HOSTED_BIND_DN="uid=hosted-kolab-service,ou=Special Users,dc=mgmt,dc=com"
 LDAP_HOSTED_BIND_PW="Welcome2KolabSystems"
 LDAP_HOSTED_ROOT_DN="dc=hosted,dc=com"
 
 OPENVIDU_API_PASSWORD=MY_SECRET
 OPENVIDU_API_URL=http://localhost:8080/api/
 OPENVIDU_API_USERNAME=OPENVIDUAPP
 OPENVIDU_API_VERIFY_TLS=true
 OPENVIDU_COTURN_IP=127.0.0.1
 OPENVIDU_COTURN_REDIS_DATABASE=2
 OPENVIDU_COTURN_REDIS_IP=127.0.0.1
 OPENVIDU_COTURN_REDIS_PASSWORD=turn
 # Used as COTURN_IP, TURN_PUBLIC_IP, for KMS_TURN_URL
 OPENVIDU_PUBLIC_IP=127.0.0.1
 OPENVIDU_PUBLIC_PORT=3478
 OPENVIDU_SERVER_PORT=8080
 OPENVIDU_WEBHOOK=true
 OPENVIDU_WEBHOOK_ENDPOINT=http://127.0.0.1:8000/webhooks/meet/openvidu
 
 # "CDR" events, see https://docs.openvidu.io/en/2.13.0/reference-docs/openvidu-server-cdr/
 #OPENVIDU_WEBHOOK_EVENTS=[sessionCreated,sessionDestroyed,participantJoined,participantLeft,webrtcConnectionCreated,webrtcConnectionDestroyed,recordingStatusChanged,filterEventDispatched,mediaNodeStatusChanged]
 #OPENVIDU_WEBHOOK_HEADERS=[\"Authorization:\ Basic\ SOMETHING\"]
 
 REDIS_HOST=127.0.0.1
 REDIS_PASSWORD=null
 REDIS_PORT=6379
 
 SWOOLE_HOT_RELOAD_ENABLE=true
 SWOOLE_HTTP_ACCESS_LOG=true
 SWOOLE_HTTP_HOST=127.0.0.1
 SWOOLE_HTTP_PORT=8000
 SWOOLE_HTTP_REACTOR_NUM=1
 SWOOLE_HTTP_WEBSOCKET=true
 SWOOLE_HTTP_WORKER_NUM=1
 SWOOLE_OB_OUTPUT=true
 
 PAYMENT_PROVIDER=
 MOLLIE_KEY=
 STRIPE_KEY=
 STRIPE_PUBLIC_KEY=
 STRIPE_WEBHOOK_SECRET=
 
 MAIL_DRIVER=smtp
 MAIL_HOST=smtp.mailtrap.io
 MAIL_PORT=2525
 MAIL_USERNAME=null
 MAIL_PASSWORD=null
 MAIL_ENCRYPTION=null
 MAIL_FROM_ADDRESS="noreply@example.com"
 MAIL_FROM_NAME="Example.com"
 MAIL_REPLYTO_ADDRESS=null
 MAIL_REPLYTO_NAME=null
 
 DNS_TTL=3600
 DNS_SPF="v=spf1 mx -all"
 DNS_STATIC="%s.    MX  10 ext-mx01.mykolab.com."
 DNS_COPY_FROM=null
 
 AWS_ACCESS_KEY_ID=
 AWS_SECRET_ACCESS_KEY=
 AWS_DEFAULT_REGION=us-east-1
 AWS_BUCKET=
 
 PUSHER_APP_ID=
 PUSHER_APP_KEY=
 PUSHER_APP_SECRET=
 PUSHER_APP_CLUSTER=mt1
 
 MIX_ASSET_PATH='/'
 MIX_PUSHER_APP_KEY="${PUSHER_APP_KEY}"
 MIX_PUSHER_APP_CLUSTER="${PUSHER_APP_CLUSTER}"
 
 JWT_SECRET=
 JWT_TTL=60
 
 COMPANY_NAME=
 COMPANY_ADDRESS=
 COMPANY_DETAILS=
 COMPANY_EMAIL=
 COMPANY_LOGO=
 COMPANY_FOOTER=
 
 VAT_COUNTRIES=CH,LI
 VAT_RATE=7.7
 
 KB_ACCOUNT_DELETE=
 KB_ACCOUNT_SUSPENDED=
diff --git a/src/app/Http/Controllers/API/SignupController.php b/src/app/Http/Controllers/API/SignupController.php
index b1a69e2f..21f91038 100644
--- a/src/app/Http/Controllers/API/SignupController.php
+++ b/src/app/Http/Controllers/API/SignupController.php
@@ -1,380 +1,381 @@
 <?php
 
 namespace App\Http\Controllers\API;
 
 use App\Http\Controllers\Controller;
 use App\Jobs\SignupVerificationEmail;
 use App\Jobs\SignupVerificationSMS;
 use App\Discount;
 use App\Domain;
 use App\Plan;
 use App\Rules\ExternalEmail;
 use App\Rules\UserEmailDomain;
 use App\Rules\UserEmailLocal;
 use App\SignupCode;
 use App\User;
 use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Validator;
 use Illuminate\Support\Str;
 
 /**
  * Signup process API
  */
 class SignupController extends Controller
 {
     /** @var ?\App\SignupCode A verification code object */
     protected $code;
 
     /** @var ?\App\Plan Signup plan object */
     protected $plan;
 
 
     /**
      * Returns plans definitions for signup.
      *
      * @param \Illuminate\Http\Request $request HTTP request
      *
      * @return \Illuminate\Http\JsonResponse JSON response
      */
     public function plans(Request $request)
     {
         $plans = [];
 
         // Use reverse order just to have individual on left, group on right ;)
         Plan::select()->orderByDesc('title')->get()->map(function ($plan) use (&$plans) {
             $plans[] = [
                 'title' => $plan->title,
                 'name' => $plan->name,
                 'button' => __('app.planbutton', ['plan' => $plan->name]),
                 'description' => $plan->description,
             ];
         });
 
         return response()->json(['status' => 'success', 'plans' => $plans]);
     }
 
     /**
      * Starts signup process.
      *
      * Verifies user name and email/phone, sends verification email/sms message.
      * Returns the verification code.
      *
      * @param \Illuminate\Http\Request $request HTTP request
      *
      * @return \Illuminate\Http\JsonResponse JSON response
      */
     public function init(Request $request)
     {
         // Check required fields
         $v = Validator::make(
             $request->all(),
             [
                 'email' => 'required',
                 'first_name' => 'max:128',
                 'last_name' => 'max:128',
                 'plan' => 'nullable|alpha_num|max:128',
                 'voucher' => 'max:32',
             ]
         );
 
         $is_phone = false;
         $errors = $v->fails() ? $v->errors()->toArray() : [];
 
         // Validate user email (or phone)
         if (empty($errors['email'])) {
             if ($error = $this->validatePhoneOrEmail($request->email, $is_phone)) {
                 $errors['email'] = $error;
             }
         }
 
         if (!empty($errors)) {
             return response()->json(['status' => 'error', 'errors' => $errors], 422);
         }
 
         // Generate the verification code
         $code = SignupCode::create([
                 'data' => [
                     'email' => $request->email,
                     'first_name' => $request->first_name,
                     'last_name' => $request->last_name,
                     'plan' => $request->plan,
                     'voucher' => $request->voucher,
                 ]
         ]);
 
         // Send email/sms message
         if ($is_phone) {
             SignupVerificationSMS::dispatch($code);
         } else {
             SignupVerificationEmail::dispatch($code);
         }
 
         return response()->json(['status' => 'success', 'code' => $code->code]);
     }
 
     /**
      * Validation of the verification code.
      *
      * @param \Illuminate\Http\Request $request HTTP request
      *
      * @return \Illuminate\Http\JsonResponse JSON response
      */
     public function verify(Request $request)
     {
         // Validate the request args
         $v = Validator::make(
             $request->all(),
             [
                 'code' => 'required',
                 'short_code' => 'required',
             ]
         );
 
         if ($v->fails()) {
             return response()->json(['status' => 'error', 'errors' => $v->errors()], 422);
         }
 
         // Validate the verification code
         $code = SignupCode::find($request->code);
 
         if (
             empty($code)
             || $code->isExpired()
             || Str::upper($request->short_code) !== Str::upper($code->short_code)
         ) {
             $errors = ['short_code' => "The code is invalid or expired."];
             return response()->json(['status' => 'error', 'errors' => $errors], 422);
         }
 
         // For signup last-step mode remember the code object, so we can delete it
         // with single SQL query (->delete()) instead of two (::destroy())
         $this->code = $code;
 
         $has_domain = $this->getPlan()->hasDomain();
 
         // Return user name and email/phone/voucher from the codes database,
         // domains list for selection and "plan type" flag
         return response()->json([
                 'status' => 'success',
                 'email' => $code->data['email'],
                 'first_name' => $code->data['first_name'],
                 'last_name' => $code->data['last_name'],
                 'voucher' => $code->data['voucher'],
                 'is_domain' => $has_domain,
                 'domains' => $has_domain ? [] : Domain::getPublicDomains(),
         ]);
     }
 
     /**
      * Finishes the signup process by creating the user account.
      *
      * @param \Illuminate\Http\Request $request HTTP request
      *
      * @return \Illuminate\Http\JsonResponse JSON response
      */
     public function signup(Request $request)
     {
         // Validate input
         $v = Validator::make(
             $request->all(),
             [
                 'login' => 'required|min:2',
                 'password' => 'required|min:4|confirmed',
                 'domain' => 'required',
                 'voucher' => 'max:32',
             ]
         );
 
         if ($v->fails()) {
             return response()->json(['status' => 'error', 'errors' => $v->errors()], 422);
         }
 
         // Validate verification codes (again)
         $v = $this->verify($request);
         if ($v->status() !== 200) {
             return $v;
         }
 
         // Find the voucher discount
         if ($request->voucher) {
             $discount = Discount::where('code', \strtoupper($request->voucher))
                 ->where('active', true)->first();
 
             if (!$discount) {
                 $errors = ['voucher' => \trans('validation.voucherinvalid')];
                 return response()->json(['status' => 'error', 'errors' => $errors], 422);
             }
         }
 
         // Get the plan
         $plan = $this->getPlan();
         $is_domain = $plan->hasDomain();
 
         $login = $request->login;
         $domain_name = $request->domain;
 
         // Validate login
         if ($errors = self::validateLogin($login, $domain_name, $is_domain)) {
             return response()->json(['status' => 'error', 'errors' => $errors], 422);
         }
 
         // Get user name/email from the verification code database
         $code_data  = $v->getData();
         $user_email = $code_data->email;
 
         // We allow only ASCII, so we can safely lower-case the email address
         $login = Str::lower($login);
         $domain_name = Str::lower($domain_name);
         $domain = null;
 
         DB::beginTransaction();
 
         // Create domain record
         if ($is_domain) {
             $domain = Domain::create([
                     'namespace' => $domain_name,
                     'status' => Domain::STATUS_NEW,
                     'type' => Domain::TYPE_EXTERNAL,
             ]);
         }
 
         // Create user record
         $user = User::create([
                 'email' => $login . '@' . $domain_name,
                 'password' => $request->password,
+                'tenant_id' => \config('app.tenant_id', null)
         ]);
 
         if (!empty($discount)) {
             $wallet = $user->wallets()->first();
             $wallet->discount()->associate($discount);
             $wallet->save();
         }
 
         $user->assignPlan($plan, $domain);
 
         // Save the external email and plan in user settings
         $user->setSettings([
                 'external_email' => $user_email,
                 'first_name' => $code_data->first_name,
                 'last_name' => $code_data->last_name,
         ]);
 
         // Remove the verification code
         $this->code->delete();
 
         DB::commit();
 
         return AuthController::logonResponse($user);
     }
 
     /**
      * Returns plan for the signup process
      *
      * @returns \App\Plan Plan object selected for current signup process
      */
     protected function getPlan()
     {
         if (!$this->plan) {
             // Get the plan if specified and exists...
             if ($this->code && $this->code->data['plan']) {
                 $plan = Plan::where('title', $this->code->data['plan'])->first();
             }
 
             // ...otherwise use the default plan
             if (empty($plan)) {
                 // TODO: Get default plan title from config
                 $plan = Plan::where('title', 'individual')->first();
             }
 
             $this->plan = $plan;
         }
 
         return $this->plan;
     }
 
     /**
      * Checks if the input string is a valid email address or a phone number
      *
      * @param string $input    Email address or phone number
      * @param bool   $is_phone Will have been set to True if the string is valid phone number
      *
      * @return string Error message on validation error
      */
     protected static function validatePhoneOrEmail($input, &$is_phone = false): ?string
     {
         $is_phone = false;
 
         $v = Validator::make(
             ['email' => $input],
             ['email' => ['required', 'string', new ExternalEmail()]]
         );
 
         if ($v->fails()) {
             return $v->errors()->toArray()['email'][0];
         }
 
         // TODO: Phone number support
 /*
         $input = str_replace(array('-', ' '), '', $input);
 
         if (!preg_match('/^\+?[0-9]{9,12}$/', $input)) {
             return \trans('validation.noemailorphone');
         }
 
         $is_phone = true;
 */
         return null;
     }
 
     /**
      * Login (kolab identity) validation
      *
      * @param string $login    Login (local part of an email address)
      * @param string $domain   Domain name
      * @param bool   $external Enables additional checks for domain part
      *
      * @return array Error messages on validation error
      */
     protected static function validateLogin($login, $domain, $external = false): ?array
     {
         // Validate login part alone
         $v = Validator::make(
             ['login' => $login],
             ['login' => ['required', 'string', new UserEmailLocal($external)]]
         );
 
         if ($v->fails()) {
             return ['login' => $v->errors()->toArray()['login'][0]];
         }
 
         $domains = $external ? null : Domain::getPublicDomains();
 
         // Validate the domain
         $v = Validator::make(
             ['domain' => $domain],
             ['domain' => ['required', 'string', new UserEmailDomain($domains)]]
         );
 
         if ($v->fails()) {
             return ['domain' => $v->errors()->toArray()['domain'][0]];
         }
 
         $domain = Str::lower($domain);
 
         // Check if domain is already registered with us
         if ($external) {
             if (Domain::where('namespace', $domain)->first()) {
                 return ['domain' => \trans('validation.domainexists')];
             }
         }
 
         // Check if user with specified login already exists
         $email = $login . '@' . $domain;
         if (User::emailExists($email) || User::aliasExists($email) || \App\Group::emailExists($email)) {
             return ['login' => \trans('validation.loginexists')];
         }
 
         return null;
     }
 }
diff --git a/src/app/Tenant.php b/src/app/Tenant.php
new file mode 100644
index 00000000..d94744fb
--- /dev/null
+++ b/src/app/Tenant.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Tenant extends Model
+{
+    protected $fillable = [
+        'title',
+        'currency'
+    ];
+}
diff --git a/src/app/User.php b/src/app/User.php
index 343953fb..aa4e90a1 100644
--- a/src/app/User.php
+++ b/src/app/User.php
@@ -1,723 +1,734 @@
 <?php
 
 namespace App;
 
 use App\Entitlement;
 use App\UserAlias;
 use App\Sku;
 use App\Traits\UserAliasesTrait;
 use App\Traits\SettingsTrait;
 use App\Wallet;
 use Illuminate\Notifications\Notifiable;
 use Illuminate\Database\Eloquent\SoftDeletes;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Iatstuti\Database\Support\NullableFields;
 use Tymon\JWTAuth\Contracts\JWTSubject;
 
 /**
  * The eloquent definition of a User.
  *
  * @property string $email
  * @property int    $id
  * @property string $password
  * @property int    $status
  */
 class User extends Authenticatable implements JWTSubject
 {
     use Notifiable;
     use NullableFields;
     use UserAliasesTrait;
     use SettingsTrait;
     use SoftDeletes;
 
     // a new user, default on creation
     public const STATUS_NEW        = 1 << 0;
     // it's been activated
     public const STATUS_ACTIVE     = 1 << 1;
     // user has been suspended
     public const STATUS_SUSPENDED  = 1 << 2;
     // user has been deleted
     public const STATUS_DELETED    = 1 << 3;
     // user has been created in LDAP
     public const STATUS_LDAP_READY = 1 << 4;
     // user mailbox has been created in IMAP
     public const STATUS_IMAP_READY = 1 << 5;
 
 
     // change the default primary key type
     public $incrementing = false;
     protected $keyType = 'bigint';
 
     /**
      * The attributes that are mass assignable.
      *
      * @var array
      */
     protected $fillable = [
         'id',
         'email',
         'password',
         'password_ldap',
-        'status'
+        'status',
+        'tenant_id'
     ];
 
     /**
      * The attributes that should be hidden for arrays.
      *
      * @var array
      */
     protected $hidden = [
         'password',
         'password_ldap',
         'role'
     ];
 
     protected $nullable = [
         'password',
         'password_ldap'
     ];
 
     /**
      * Any wallets on which this user is a controller.
      *
      * This does not include wallets owned by the user.
      *
      * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
      */
     public function accounts()
     {
         return $this->belongsToMany(
             'App\Wallet',       // The foreign object definition
             'user_accounts',    // The table name
             'user_id',          // The local foreign key
             'wallet_id'         // The remote foreign key
         );
     }
 
     /**
      * Email aliases of this user.
      *
      * @return \Illuminate\Database\Eloquent\Relations\HasMany
      */
     public function aliases()
     {
         return $this->hasMany('App\UserAlias', 'user_id');
     }
 
     /**
      * Assign a package to a user. The user should not have any existing entitlements.
      *
      * @param \App\Package   $package The package to assign.
      * @param \App\User|null $user    Assign the package to another user.
      *
      * @return \App\User
      */
     public function assignPackage($package, $user = null)
     {
         if (!$user) {
             $user = $this;
         }
 
         $wallet_id = $this->wallets()->first()->id;
 
         foreach ($package->skus as $sku) {
             for ($i = $sku->pivot->qty; $i > 0; $i--) {
                 \App\Entitlement::create(
                     [
                         'wallet_id' => $wallet_id,
                         'sku_id' => $sku->id,
                         'cost' => $sku->pivot->cost(),
                         'entitleable_id' => $user->id,
                         'entitleable_type' => User::class
                     ]
                 );
             }
         }
 
         return $user;
     }
 
     /**
      * Assign a package plan to a user.
      *
      * @param \App\Plan   $plan   The plan to assign
      * @param \App\Domain $domain Optional domain object
      *
      * @return \App\User Self
      */
     public function assignPlan($plan, $domain = null): User
     {
         $this->setSetting('plan_id', $plan->id);
 
         foreach ($plan->packages as $package) {
             if ($package->isDomain()) {
                 $domain->assignPackage($package, $this);
             } else {
                 $this->assignPackage($package);
             }
         }
 
         return $this;
     }
 
     /**
      * Assign a Sku to a user.
      *
      * @param \App\Sku $sku   The sku to assign.
      * @param int      $count Count of entitlements to add
      *
      * @return \App\User Self
      * @throws \Exception
      */
     public function assignSku(Sku $sku, int $count = 1): User
     {
         // TODO: I guess wallet could be parametrized in future
         $wallet = $this->wallet();
         $exists = $this->entitlements()->where('sku_id', $sku->id)->count();
 
         while ($count > 0) {
             \App\Entitlement::create([
                 'wallet_id' => $wallet->id,
                 'sku_id' => $sku->id,
                 'cost' => $exists >= $sku->units_free ? $sku->cost : 0,
                 'entitleable_id' => $this->id,
                 'entitleable_type' => User::class
             ]);
 
             $exists++;
             $count--;
         }
 
         return $this;
     }
 
     /**
      * Check if current user can delete another object.
      *
      * @param \App\User|\App\Domain $object A user|domain object
      *
      * @return bool True if he can, False otherwise
      */
     public function canDelete($object): bool
     {
         if (!method_exists($object, 'wallet')) {
             return false;
         }
 
         $wallet = $object->wallet();
 
         // TODO: For now controller can delete/update the account owner,
         //       this may change in future, controllers are not 0-regression feature
 
         return $this->wallets->contains($wallet) || $this->accounts->contains($wallet);
     }
 
     /**
      * Check if current user can read data of another object.
      *
      * @param \App\User|\App\Domain|\App\Wallet $object A user|domain|wallet object
      *
      * @return bool True if he can, False otherwise
      */
     public function canRead($object): bool
     {
         if ($this->role == "admin") {
             return true;
         }
 
         if ($object instanceof User && $this->id == $object->id) {
             return true;
         }
 
         if ($object instanceof Wallet) {
             return $object->user_id == $this->id || $object->controllers->contains($this);
         }
 
         if (!method_exists($object, 'wallet')) {
             return false;
         }
 
         $wallet = $object->wallet();
 
         return $this->wallets->contains($wallet) || $this->accounts->contains($wallet);
     }
 
     /**
      * Check if current user can update data of another object.
      *
      * @param \App\User|\App\Domain $object A user|domain object
      *
      * @return bool True if he can, False otherwise
      */
     public function canUpdate($object): bool
     {
         if (!method_exists($object, 'wallet')) {
             return false;
         }
 
         if ($object instanceof User && $this->id == $object->id) {
             return true;
         }
 
         return $this->canDelete($object);
     }
 
     /**
      * Return the \App\Domain for this user.
      *
      * @return \App\Domain|null
      */
     public function domain()
     {
         list($local, $domainName) = explode('@', $this->email);
 
         $domain = \App\Domain::withTrashed()->where('namespace', $domainName)->first();
 
         return $domain;
     }
 
     /**
      * List the domains to which this user is entitled.
      *
      * @return Domain[]
      */
     public function domains()
     {
         $dbdomains = Domain::whereRaw(
             sprintf(
                 '(type & %s) AND (status & %s)',
                 Domain::TYPE_PUBLIC,
                 Domain::STATUS_ACTIVE
             )
         )->get();
 
         $domains = [];
 
         foreach ($dbdomains as $dbdomain) {
             $domains[] = $dbdomain;
         }
 
         foreach ($this->wallets as $wallet) {
             $entitlements = $wallet->entitlements()->where('entitleable_type', Domain::class)->get();
             foreach ($entitlements as $entitlement) {
                 $domain = $entitlement->entitleable;
                 \Log::info("Found domain for {$this->email}: {$domain->namespace} (owned)");
                 $domains[] = $domain;
             }
         }
 
         foreach ($this->accounts as $wallet) {
             $entitlements = $wallet->entitlements()->where('entitleable_type', Domain::class)->get();
             foreach ($entitlements as $entitlement) {
                 $domain = $entitlement->entitleable;
                 \Log::info("Found domain {$this->email}: {$domain->namespace} (charged)");
                 $domains[] = $domain;
             }
         }
 
         return $domains;
     }
 
     /**
      * The user entitlement.
      *
      * @return \Illuminate\Database\Eloquent\Relations\MorphOne
      */
     public function entitlement()
     {
         return $this->morphOne('App\Entitlement', 'entitleable');
     }
 
     /**
      * Entitlements for this user.
      *
      * Note that these are entitlements that apply to the user account, and not entitlements that
      * this user owns.
      *
      * @return \Illuminate\Database\Eloquent\Relations\HasMany
      */
     public function entitlements()
     {
         return $this->hasMany('App\Entitlement', 'entitleable_id', 'id')
             ->where('entitleable_type', User::class);
     }
 
     /**
      * Find whether an email address exists as a user (including deleted users).
      *
      * @param string $email       Email address
      * @param bool   $return_user Return User instance instead of boolean
      *
      * @return \App\User|bool True or User model object if found, False otherwise
      */
     public static function emailExists(string $email, bool $return_user = false)
     {
         if (strpos($email, '@') === false) {
             return false;
         }
 
         $email = \strtolower($email);
 
         $user = self::withTrashed()->where('email', $email)->first();
 
         if ($user) {
             return $return_user ? $user : true;
         }
 
         return false;
     }
 
     /**
      * Helper to find user by email address, whether it is
      * main email address, alias or an external email.
      *
      * If there's more than one alias NULL will be returned.
      *
      * @param string $email    Email address
      * @param bool   $external Search also for an external email
      *
      * @return \App\User User model object if found
      */
     public static function findByEmail(string $email, bool $external = false): ?User
     {
         if (strpos($email, '@') === false) {
             return null;
         }
 
         $email = \strtolower($email);
 
         $user = self::where('email', $email)->first();
 
         if ($user) {
             return $user;
         }
 
         $aliases = UserAlias::where('alias', $email)->get();
 
         if (count($aliases) == 1) {
             return $aliases->first()->user;
         }
 
         // TODO: External email
 
         return null;
     }
 
     public function getJWTIdentifier()
     {
         return $this->getKey();
     }
 
     public function getJWTCustomClaims()
     {
         return [];
     }
 
     /**
      * Return groups controlled by the current user.
      *
      * @return \Illuminate\Database\Eloquent\Builder Query builder
      */
     public function groups()
     {
         $wallets = $this->wallets()->pluck('id')->all();
 
         $groupIds = \App\Entitlement::whereIn('entitlements.wallet_id', $wallets)
             ->where('entitlements.entitleable_type', Group::class)
             ->pluck('entitleable_id')
             ->all();
 
         return Group::whereIn('id', $groupIds);
     }
 
     /**
      * Check if user has an entitlement for the specified SKU.
      *
      * @param string $title The SKU title
      *
      * @return bool True if specified SKU entitlement exists
      */
     public function hasSku($title): bool
     {
         $sku = Sku::where('title', $title)->first();
 
         if (!$sku) {
             return false;
         }
 
         return $this->entitlements()->where('sku_id', $sku->id)->count() > 0;
     }
 
     /**
      * Returns whether this domain is active.
      *
      * @return bool
      */
     public function isActive(): bool
     {
         return ($this->status & self::STATUS_ACTIVE) > 0;
     }
 
     /**
      * Returns whether this domain is deleted.
      *
      * @return bool
      */
     public function isDeleted(): bool
     {
         return ($this->status & self::STATUS_DELETED) > 0;
     }
 
     /**
      * Returns whether this (external) domain has been verified
      * to exist in DNS.
      *
      * @return bool
      */
     public function isImapReady(): bool
     {
         return ($this->status & self::STATUS_IMAP_READY) > 0;
     }
 
     /**
      * Returns whether this user is registered in LDAP.
      *
      * @return bool
      */
     public function isLdapReady(): bool
     {
         return ($this->status & self::STATUS_LDAP_READY) > 0;
     }
 
     /**
      * Returns whether this user is new.
      *
      * @return bool
      */
     public function isNew(): bool
     {
         return ($this->status & self::STATUS_NEW) > 0;
     }
 
     /**
      * Returns whether this domain is suspended.
      *
      * @return bool
      */
     public function isSuspended(): bool
     {
         return ($this->status & self::STATUS_SUSPENDED) > 0;
     }
 
     /**
      * A shortcut to get the user name.
      *
      * @param bool $fallback Return "<aa.name> User" if there's no name
      *
      * @return string Full user name
      */
     public function name(bool $fallback = false): string
     {
         $firstname = $this->getSetting('first_name');
         $lastname = $this->getSetting('last_name');
 
         $name = trim($firstname . ' ' . $lastname);
 
         if (empty($name) && $fallback) {
             return \config('app.name') . ' User';
         }
 
         return $name;
     }
 
     /**
      * Remove a number of entitlements for the SKU.
      *
      * @param \App\Sku $sku   The SKU
      * @param int      $count The number of entitlements to remove
      *
      * @return User Self
      */
     public function removeSku(Sku $sku, int $count = 1): User
     {
         $entitlements = $this->entitlements()
             ->where('sku_id', $sku->id)
             ->orderBy('cost', 'desc')
             ->orderBy('created_at')
             ->get();
 
         $entitlements_count = count($entitlements);
 
         foreach ($entitlements as $entitlement) {
             if ($entitlements_count <= $sku->units_free) {
                 continue;
             }
 
             if ($count > 0) {
                 $entitlement->delete();
                 $entitlements_count--;
                 $count--;
             }
         }
 
         return $this;
     }
 
     /**
      * Any (additional) properties of this user.
      *
      * @return \Illuminate\Database\Eloquent\Relations\HasMany
      */
     public function settings()
     {
         return $this->hasMany('App\UserSetting', 'user_id');
     }
 
     /**
      * Suspend this domain.
      *
      * @return void
      */
     public function suspend(): void
     {
         if ($this->isSuspended()) {
             return;
         }
 
         $this->status |= User::STATUS_SUSPENDED;
         $this->save();
     }
 
+    /**
+     * The tenant for this user account.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     */
+    public function tenant()
+    {
+        return $this->belongsTo('App\Tenant', 'tenant_id', 'id');
+    }
+
     /**
      * Unsuspend this domain.
      *
      * @return void
      */
     public function unsuspend(): void
     {
         if (!$this->isSuspended()) {
             return;
         }
 
         $this->status ^= User::STATUS_SUSPENDED;
         $this->save();
     }
 
     /**
      * Return users controlled by the current user.
      *
      * @param bool $with_accounts Include users assigned to wallets
      *                            the current user controls but not owns.
      *
      * @return \Illuminate\Database\Eloquent\Builder Query builder
      */
     public function users($with_accounts = true)
     {
         $wallets = $this->wallets()->pluck('id')->all();
 
         if ($with_accounts) {
             $wallets = array_merge($wallets, $this->accounts()->pluck('wallet_id')->all());
         }
 
         return $this->select(['users.*', 'entitlements.wallet_id'])
             ->distinct()
             ->leftJoin('entitlements', 'entitlements.entitleable_id', '=', 'users.id')
             ->whereIn('entitlements.wallet_id', $wallets)
             ->where('entitlements.entitleable_type', User::class);
     }
 
     /**
      * Verification codes for this user.
      *
      * @return \Illuminate\Database\Eloquent\Relations\HasMany
      */
     public function verificationcodes()
     {
         return $this->hasMany('App\VerificationCode', 'user_id', 'id');
     }
 
     /**
      * Returns the wallet by which the user is controlled
      *
      * @return ?\App\Wallet A wallet object
      */
     public function wallet(): ?Wallet
     {
         $entitlement = $this->entitlement()->withTrashed()->first();
 
         // TODO: No entitlement should not happen, but in tests we have
         //       such cases, so we fallback to the user's wallet in this case
         return $entitlement ? $entitlement->wallet : $this->wallets()->first();
     }
 
     /**
      * Wallets this user owns.
      *
      * @return \Illuminate\Database\Eloquent\Relations\HasMany
      */
     public function wallets()
     {
         return $this->hasMany('App\Wallet');
     }
 
     /**
      * User password mutator
      *
      * @param string $password The password in plain text.
      *
      * @return void
      */
     public function setPasswordAttribute($password)
     {
         if (!empty($password)) {
             $this->attributes['password'] = bcrypt($password, [ "rounds" => 12 ]);
             $this->attributes['password_ldap'] = '{SSHA512}' . base64_encode(
                 pack('H*', hash('sha512', $password))
             );
         }
     }
 
     /**
      * User LDAP password mutator
      *
      * @param string $password The password in plain text.
      *
      * @return void
      */
     public function setPasswordLdapAttribute($password)
     {
         $this->setPasswordAttribute($password);
     }
 
     /**
      * User status mutator
      *
      * @throws \Exception
      */
     public function setStatusAttribute($status)
     {
         $new_status = 0;
 
         $allowed_values = [
             self::STATUS_NEW,
             self::STATUS_ACTIVE,
             self::STATUS_SUSPENDED,
             self::STATUS_DELETED,
             self::STATUS_LDAP_READY,
             self::STATUS_IMAP_READY,
         ];
 
         foreach ($allowed_values as $value) {
             if ($status & $value) {
                 $new_status |= $value;
                 $status ^= $value;
             }
         }
 
         if ($status > 0) {
             throw new \Exception("Invalid user status: {$status}");
         }
 
         $this->attributes['status'] = $new_status;
     }
 }
diff --git a/src/config/app.php b/src/config/app.php
index 887197a7..81ba9566 100644
--- a/src/config/app.php
+++ b/src/config/app.php
@@ -1,269 +1,271 @@
 <?php
 
 return [
 
     /*
     |--------------------------------------------------------------------------
     | Application Name
     |--------------------------------------------------------------------------
     |
     | This value is the name of your application. This value is used when the
     | framework needs to place the application's name in a notification or
     | any other location as required by the application or its packages.
     |
     */
 
     'name' => env('APP_NAME', 'Laravel'),
 
     /*
     |--------------------------------------------------------------------------
     | Application Environment
     |--------------------------------------------------------------------------
     |
     | This value determines the "environment" your application is currently
     | running in. This may determine how you prefer to configure various
     | services the application utilizes. Set this in your ".env" file.
     |
     */
 
     'env' => env('APP_ENV', 'production'),
 
     /*
     |--------------------------------------------------------------------------
     | Application Debug Mode
     |--------------------------------------------------------------------------
     |
     | When your application is in debug mode, detailed error messages with
     | stack traces will be shown on every error that occurs within your
     | application. If disabled, a simple generic error page is shown.
     |
     */
 
     'debug' => env('APP_DEBUG', false),
 
     /*
     |--------------------------------------------------------------------------
     | Application URL
     |--------------------------------------------------------------------------
     |
     | This URL is used by the console to properly generate URLs when using
     | the Artisan command line tool. You should set this to the root of
     | your application so that it is used when running Artisan tasks.
     */
 
     'url' => env('APP_URL', 'http://localhost'),
 
     'public_url' => env('APP_PUBLIC_URL', env('APP_URL', 'http://localhost')),
 
     'asset_url' => env('ASSET_URL', null),
 
     'support_url' => env('SUPPORT_URL', null),
 
     'support_email' => env('SUPPORT_EMAIL', null),
 
     'webmail_url' => env('WEBMAIL_URL', null),
 
     'theme' => env('APP_THEME', 'default'),
 
+    'tenant_id' => env('APP_TENANT_ID', null),
+
     /*
     |--------------------------------------------------------------------------
     | Application Domain
     |--------------------------------------------------------------------------
     |
     | System domain used for user signup (kolab identity)
     */
     'domain' => env('APP_DOMAIN', 'domain.tld'),
 
     /*
     |--------------------------------------------------------------------------
     | Application Timezone
     |--------------------------------------------------------------------------
     |
     | Here you may specify the default timezone for your application, which
     | will be used by the PHP date and date-time functions. We have gone
     | ahead and set this to a sensible default for you out of the box.
     |
     */
 
     'timezone' => 'UTC',
 
     /*
     |--------------------------------------------------------------------------
     | Application Locale Configuration
     |--------------------------------------------------------------------------
     |
     | The application locale determines the default locale that will be used
     | by the translation service provider. You are free to set this value
     | to any of the locales which will be supported by the application.
     |
     */
 
     'locale' => 'en',
 
     /*
     |--------------------------------------------------------------------------
     | Application Fallback Locale
     |--------------------------------------------------------------------------
     |
     | The fallback locale determines the locale to use when the current one
     | is not available. You may change the value to correspond to any of
     | the language folders that are provided through your application.
     |
     */
 
     'fallback_locale' => 'en',
 
     /*
     |--------------------------------------------------------------------------
     | Faker Locale
     |--------------------------------------------------------------------------
     |
     | This locale will be used by the Faker PHP library when generating fake
     | data for your database seeds. For example, this will be used to get
     | localized telephone numbers, street address information and more.
     |
     */
 
     'faker_locale' => 'en_US',
 
     /*
     |--------------------------------------------------------------------------
     | Encryption Key
     |--------------------------------------------------------------------------
     |
     | This key is used by the Illuminate encrypter service and should be set
     | to a random, 32 character string, otherwise these encrypted strings
     | will not be safe. Please do this before deploying an application!
     |
     */
 
     'key' => env('APP_KEY'),
 
     'cipher' => 'AES-256-CBC',
 
     /*
     |--------------------------------------------------------------------------
     | Autoloaded Service Providers
     |--------------------------------------------------------------------------
     |
     | The service providers listed here will be automatically loaded on the
     | request to your application. Feel free to add your own services to
     | this array to grant expanded functionality to your applications.
     |
     */
 
     'providers' => [
         /*
          * Laravel Framework Service Providers...
          */
         Illuminate\Auth\AuthServiceProvider::class,
         Illuminate\Broadcasting\BroadcastServiceProvider::class,
         Illuminate\Bus\BusServiceProvider::class,
         Illuminate\Cache\CacheServiceProvider::class,
         Illuminate\Foundation\Providers\ConsoleSupportServiceProvider::class,
         Illuminate\Cookie\CookieServiceProvider::class,
         Illuminate\Database\DatabaseServiceProvider::class,
         Illuminate\Encryption\EncryptionServiceProvider::class,
         Illuminate\Filesystem\FilesystemServiceProvider::class,
         Illuminate\Foundation\Providers\FoundationServiceProvider::class,
         Illuminate\Hashing\HashServiceProvider::class,
         Illuminate\Mail\MailServiceProvider::class,
         Illuminate\Notifications\NotificationServiceProvider::class,
         Illuminate\Pagination\PaginationServiceProvider::class,
         Illuminate\Pipeline\PipelineServiceProvider::class,
         Illuminate\Queue\QueueServiceProvider::class,
         Illuminate\Redis\RedisServiceProvider::class,
         Illuminate\Auth\Passwords\PasswordResetServiceProvider::class,
         Illuminate\Session\SessionServiceProvider::class,
         Illuminate\Translation\TranslationServiceProvider::class,
         Illuminate\Validation\ValidationServiceProvider::class,
         Illuminate\View\ViewServiceProvider::class,
 
         /*
          * Package Service Providers...
          */
         Barryvdh\DomPDF\ServiceProvider::class,
 
         /*
          * Application Service Providers...
          */
         App\Providers\AppServiceProvider::class,
         App\Providers\AuthServiceProvider::class,
         // App\Providers\BroadcastServiceProvider::class,
         App\Providers\EventServiceProvider::class,
         App\Providers\HorizonServiceProvider::class,
         App\Providers\RouteServiceProvider::class,
     ],
 
     /*
     |--------------------------------------------------------------------------
     | Class Aliases
     |--------------------------------------------------------------------------
     |
     | This array of class aliases will be registered when this application
     | is started. However, feel free to register as many as you wish as
     | the aliases are "lazy" loaded so they don't hinder performance.
     |
     */
 
     'aliases' => [
         'App' => Illuminate\Support\Facades\App::class,
         'Arr' => Illuminate\Support\Arr::class,
         'Artisan' => Illuminate\Support\Facades\Artisan::class,
         'Auth' => Illuminate\Support\Facades\Auth::class,
         'Blade' => Illuminate\Support\Facades\Blade::class,
         'Broadcast' => Illuminate\Support\Facades\Broadcast::class,
         'Bus' => Illuminate\Support\Facades\Bus::class,
         'Cache' => Illuminate\Support\Facades\Cache::class,
         'Config' => Illuminate\Support\Facades\Config::class,
         'Cookie' => Illuminate\Support\Facades\Cookie::class,
         'Crypt' => Illuminate\Support\Facades\Crypt::class,
         'DB' => Illuminate\Support\Facades\DB::class,
         'Eloquent' => Illuminate\Database\Eloquent\Model::class,
         'Event' => Illuminate\Support\Facades\Event::class,
         'File' => Illuminate\Support\Facades\File::class,
         'Gate' => Illuminate\Support\Facades\Gate::class,
         'Hash' => Illuminate\Support\Facades\Hash::class,
         'Lang' => Illuminate\Support\Facades\Lang::class,
         'Log' => Illuminate\Support\Facades\Log::class,
         'Mail' => Illuminate\Support\Facades\Mail::class,
         'Notification' => Illuminate\Support\Facades\Notification::class,
         'Password' => Illuminate\Support\Facades\Password::class,
         'PDF' => Barryvdh\DomPDF\Facade::class,
         'Queue' => Illuminate\Support\Facades\Queue::class,
         'Redirect' => Illuminate\Support\Facades\Redirect::class,
         'Redis' => Illuminate\Support\Facades\Redis::class,
         'Request' => Illuminate\Support\Facades\Request::class,
         'Response' => Illuminate\Support\Facades\Response::class,
         'Route' => Illuminate\Support\Facades\Route::class,
         'Schema' => Illuminate\Support\Facades\Schema::class,
         'Session' => Illuminate\Support\Facades\Session::class,
         'Storage' => Illuminate\Support\Facades\Storage::class,
         'Str' => Illuminate\Support\Str::class,
         'URL' => Illuminate\Support\Facades\URL::class,
         'Validator' => Illuminate\Support\Facades\Validator::class,
         'View' => Illuminate\Support\Facades\View::class,
     ],
 
     // Locations of knowledge base articles
     'kb' => [
         // An article about suspended accounts
         'account_suspended' => env('KB_ACCOUNT_SUSPENDED'),
         // An article about a way to delete an owned account
         'account_delete' => env('KB_ACCOUNT_DELETE'),
     ],
 
     'company' => [
         'name' => env('COMPANY_NAME'),
         'address' => env('COMPANY_ADDRESS'),
         'details' => env('COMPANY_DETAILS'),
         'email' => env('COMPANY_EMAIL'),
         'logo' => env('COMPANY_LOGO'),
         'footer' => env('COMPANY_FOOTER', env('COMPANY_DETAILS')),
     ],
 
     'vat' => [
         'countries' => env('VAT_COUNTRIES'),
         'rate' => (float) env('VAT_RATE'),
     ],
 ];
diff --git a/src/database/migrations/2020_05_05_095212_create_tenants_table.php b/src/database/migrations/2020_05_05_095212_create_tenants_table.php
new file mode 100644
index 00000000..23f50cbf
--- /dev/null
+++ b/src/database/migrations/2020_05_05_095212_create_tenants_table.php
@@ -0,0 +1,53 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+// phpcs:ignore
+class CreateTenantsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create(
+            'tenants',
+            function (Blueprint $table) {
+                $table->bigIncrements('id');
+                $table->string('title', 32);
+                $table->timestamps();
+            }
+        );
+
+        Schema::table(
+            'users',
+            function (Blueprint $table) {
+                $table->bigInteger('tenant_id')->unsigned()->nullable();
+
+                $table->foreign('tenant_id')->references('id')->on('tenants')->onDelete('set null');
+            }
+        );
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table(
+            'users',
+            function (Blueprint $table) {
+                $table->dropForeign(['tenant_id']);
+                $table->dropColumn('tenant_id');
+            }
+        );
+
+        Schema::dropIfExists('tenants');
+    }
+}
diff --git a/src/database/seeds/DatabaseSeeder.php b/src/database/seeds/DatabaseSeeder.php
index 306a95ab..b8aab0e9 100644
--- a/src/database/seeds/DatabaseSeeder.php
+++ b/src/database/seeds/DatabaseSeeder.php
@@ -1,38 +1,39 @@
 <?php
 
 use Illuminate\Database\Seeder;
 
 // phpcs:ignore
 class DatabaseSeeder extends Seeder
 {
     /**
      * Seed the application's database.
      *
      * @return void
      */
     public function run()
     {
         // Define seeders order
         $seeders = [
+            'TenantSeeder',
             'DiscountSeeder',
             'DomainSeeder',
             'SkuSeeder',
             'PackageSeeder',
             'PlanSeeder',
             'UserSeeder',
             'OpenViduRoomSeeder',
         ];
 
         $env = ucfirst(App::environment());
 
         // Check if the seeders exists
         foreach ($seeders as $idx => $name) {
             $class = "Database\\Seeds\\$env\\$name";
             $seeders[$idx] = class_exists($class) ? $class : null;
         }
 
         $seeders = array_filter($seeders);
 
         $this->call($seeders);
     }
 }
diff --git a/src/database/seeds/TenantSeeder.php b/src/database/seeds/TenantSeeder.php
new file mode 100644
index 00000000..270a88bc
--- /dev/null
+++ b/src/database/seeds/TenantSeeder.php
@@ -0,0 +1,28 @@
+<?php
+
+use App\Tenant;
+use Illuminate\Database\Seeder;
+
+// phpcs:ignore
+class TenantSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        Tenant::create(
+            [
+                'title' => 'Kolab Now'
+            ]
+        );
+
+        Tenant::create(
+            [
+                'title' => 'Sample Tenant'
+            ]
+        );
+    }
+}