diff --git a/app/Models/Gateway.php b/app/Models/Gateway.php
index 0e05a43835..9c6edf68e9 100644
--- a/app/Models/Gateway.php
+++ b/app/Models/Gateway.php
@@ -89,8 +89,9 @@ class Gateway extends StaticModel
                 break;
             case 7:
                 return [
-                    GatewayType::CREDIT_CARD => ['refund' => false, 'token_billing' => true], // Mollie
+                    GatewayType::CREDIT_CARD => ['refund' => false, 'token_billing' => true], // Mollie,
                     GatewayType::BANK_TRANSFER => ['refund' => false, 'token_billing' => true],
+                    GatewayType::KBC => ['refund' => false, 'token_billing' => false],
                 ];
             case 15:
                 return [GatewayType::PAYPAL => ['refund' => true, 'token_billing' => false]]; //Paypal
diff --git a/app/Models/GatewayType.php b/app/Models/GatewayType.php
index 5be577bb6a..dff3fc2e4f 100644
--- a/app/Models/GatewayType.php
+++ b/app/Models/GatewayType.php
@@ -25,6 +25,7 @@ class GatewayType extends StaticModel
     const APPLE_PAY = 8;
     const SEPA = 9;
     const CREDIT = 10;
+    const KBC = 11;
     
     public function gateway()
     {
@@ -66,7 +67,10 @@ class GatewayType extends StaticModel
             case self::SEPA:
                 return ctrans('texts.sepa');
                 break;
-                        
+            case self::KBC:
+                return ctrans('texts.kbc_cbc');
+                break;
+
             default:
                 return 'Undefined.';
                 break;
diff --git a/app/Models/PaymentType.php b/app/Models/PaymentType.php
index 37723d0a01..d8c0cf2c78 100644
--- a/app/Models/PaymentType.php
+++ b/app/Models/PaymentType.php
@@ -43,6 +43,7 @@ class PaymentType extends StaticModel
     const GOCARDLESS = 30;
     const CRYPTO = 31;
     const MOLLIE_BANK_TRANSFER = 34;
+    const KBC = 35;
 
     public static function parseCardType($cardName)
     {
diff --git a/app/PaymentDrivers/Mollie/KBC.php b/app/PaymentDrivers/Mollie/KBC.php
new file mode 100644
index 0000000000..1e90725b6c
--- /dev/null
+++ b/app/PaymentDrivers/Mollie/KBC.php
@@ -0,0 +1,199 @@
+<?php
+
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+namespace App\PaymentDrivers\Mollie;
+
+use App\Exceptions\PaymentFailed;
+use App\Http\Requests\Request;
+use App\Http\Requests\ClientPortal\Payments\PaymentResponseRequest;
+use App\Jobs\Mail\PaymentFailureMailer;
+use App\Jobs\Util\SystemLogger;
+use App\Models\GatewayType;
+use App\Models\Payment;
+use App\Models\PaymentType;
+use App\Models\SystemLog;
+use App\PaymentDrivers\Common\MethodInterface;
+use App\PaymentDrivers\MolliePaymentDriver;
+use Illuminate\Http\RedirectResponse;
+use Illuminate\View\View;
+
+class KBC implements MethodInterface
+{
+    protected MolliePaymentDriver $mollie;
+
+    public function __construct(MolliePaymentDriver $mollie)
+    {
+        $this->mollie = $mollie;
+
+        $this->mollie->init();
+    }
+
+    /**
+     * Show the authorization page for KBC.
+     *
+     * @param array $data
+     * @return View
+     */
+    public function authorizeView(array $data): View
+    {
+        return render('gateways.mollie.kbc.authorize', $data);
+    }
+
+    /**
+     * Handle the authorization for KBC.
+     *
+     * @param Request $request
+     * @return RedirectResponse
+     */
+    public function authorizeResponse(Request $request): RedirectResponse
+    {
+        return redirect()->route('client.payment_methods.index');
+    }
+
+    /**
+     * Show the payment page for KBC.
+     *
+     * @param array $data
+     * @return Redirector|RedirectResponse
+     */
+    public function paymentView(array $data)
+    {
+        $this->mollie->payment_hash
+            ->withData('gateway_type_id', GatewayType::KBC)
+            ->withData('client_id', $this->mollie->client->id);
+
+        try {
+            $payment = $this->mollie->gateway->payments->create([
+                'method' => 'kbc',
+                'amount' => [
+                    'currency' => $this->mollie->client->currency()->code,
+                    'value' => $this->mollie->convertToMollieAmount((float) $this->mollie->payment_hash->data->amount_with_fee),
+                ],
+                'description' => \sprintf('Invoices: %s', collect($data['invoices'])->pluck('invoice_number')),
+                'redirectUrl' => route('client.payments.response', [
+                    'company_gateway_id' => $this->mollie->company_gateway->id,
+                    'payment_hash' => $this->mollie->payment_hash->hash,
+                    'payment_method_id' => GatewayType::KBC,
+                ]),
+                'webhookUrl' => $this->mollie->company_gateway->webhookUrl(),
+                'metadata' => [
+                    'client_id' => $this->mollie->client->hashed_id,
+                ],
+            ]);
+
+            $this->mollie->payment_hash->withData('payment_id', $payment->id);
+
+            return redirect(
+                $payment->getCheckoutUrl()
+            );
+        } catch (\Mollie\Api\Exceptions\ApiException | \Exception $exception) {
+            return $this->processUnsuccessfulPayment($exception);
+        }
+    }
+
+        /**
+     * Handle unsuccessful payment.
+     *
+     * @param Exception $exception
+     * @throws PaymentFailed
+     * @return void
+     */
+    public function processUnsuccessfulPayment(\Exception $exception): void
+    {
+        PaymentFailureMailer::dispatch(
+            $this->mollie->client,
+            $exception->getMessage(),
+            $this->mollie->client->company,
+            $this->mollie->payment_hash->data->amount_with_fee
+        );
+
+        SystemLogger::dispatch(
+            $exception->getMessage(),
+            SystemLog::CATEGORY_GATEWAY_RESPONSE,
+            SystemLog::EVENT_GATEWAY_FAILURE,
+            SystemLog::TYPE_MOLLIE,
+            $this->mollie->client,
+            $this->mollie->client->company,
+        );
+
+        throw new PaymentFailed($exception->getMessage(), $exception->getCode());
+    }
+
+    /**
+     * Handle the payments for the KBC.
+     *
+     * @param PaymentResponseRequest $request
+     * @return mixed
+     */
+    public function paymentResponse(PaymentResponseRequest $request)
+    {
+        if (! \property_exists($this->mollie->payment_hash->data, 'payment_id')) {
+            return $this->processUnsuccessfulPayment(
+                new PaymentFailed('Whoops, something went wrong. Missing required [payment_id] parameter. Please contact administrator. Reference hash: ' . $this->mollie->payment_hash->hash)
+            );
+        }
+
+        try {
+            $payment = $this->mollie->gateway->payments->get(
+                $this->mollie->payment_hash->data->payment_id
+            );
+
+            if ($payment->status === 'paid') {
+                return $this->processSuccessfulPayment($payment);
+            }
+
+            if ($payment->status === 'failed') {
+                return $this->processUnsuccessfulPayment(
+                    new PaymentFailed(ctrans('texts.status_failed'))
+                );
+            }
+
+            return $this->processUnsuccessfulPayment(
+                new PaymentFailed(ctrans('texts.status_voided'))
+            );
+        } catch (\Mollie\Api\Exceptions\ApiException | \Exception $exception) {
+            return $this->processUnsuccessfulPayment($exception);
+        }
+    }
+
+    /**
+     * Handle the successful payment for KBC.
+     *
+     * @param ResourcesPayment $payment
+     * @return RedirectResponse
+     */
+    public function processSuccessfulPayment(\Mollie\Api\Resources\Payment $payment): RedirectResponse
+    {
+        $data = [
+            'gateway_type_id' => GatewayType::KBC,
+            'amount' => array_sum(array_column($this->mollie->payment_hash->invoices(), 'amount')) + $this->mollie->payment_hash->fee_total,
+            'payment_type' => PaymentType::KBC,
+            'transaction_reference' => $payment->id,
+        ];
+
+        $payment_record = $this->mollie->createPayment(
+            $data,
+            $payment->status === 'paid' ? Payment::STATUS_COMPLETED : Payment::STATUS_PENDING
+        );
+
+        SystemLogger::dispatch(
+            ['response' => $payment, 'data' => $data],
+            SystemLog::CATEGORY_GATEWAY_RESPONSE,
+            SystemLog::EVENT_GATEWAY_SUCCESS,
+            SystemLog::TYPE_MOLLIE,
+            $this->mollie->client,
+            $this->mollie->client->company,
+        );
+
+        return redirect()->route('client.payments.show', ['payment' => $this->mollie->encodePrimaryKey($payment_record->id)]);
+    }
+}
diff --git a/app/PaymentDrivers/MolliePaymentDriver.php b/app/PaymentDrivers/MolliePaymentDriver.php
index 18b808cb66..f9e2644668 100644
--- a/app/PaymentDrivers/MolliePaymentDriver.php
+++ b/app/PaymentDrivers/MolliePaymentDriver.php
@@ -26,6 +26,7 @@ use App\Models\PaymentType;
 use App\Models\SystemLog;
 use App\PaymentDrivers\Mollie\BankTransfer;
 use App\PaymentDrivers\Mollie\CreditCard;
+use App\PaymentDrivers\Mollie\KBC;
 use App\Utils\Traits\MakesHash;
 use Illuminate\Support\Facades\Validator;
 use Mollie\Api\Exceptions\ApiException;
@@ -66,6 +67,7 @@ class MolliePaymentDriver extends BaseDriver
     public static $methods = [
         GatewayType::CREDIT_CARD => CreditCard::class,
         GatewayType::BANK_TRANSFER => BankTransfer::class,
+        GatewayType::KBC => KBC::class,
     ];
 
     const SYSTEM_LOG_TYPE = SystemLog::TYPE_MOLLIE;
@@ -87,6 +89,7 @@ class MolliePaymentDriver extends BaseDriver
 
         $types[] = GatewayType::CREDIT_CARD;
         $types[] = GatewayType::BANK_TRANSFER;
+        $types[] = GatewayType::KBC;
 
         return $types;
     }
diff --git a/database/migrations/2021_09_24_211504_add_kbc_to_payment_types.php b/database/migrations/2021_09_24_211504_add_kbc_to_payment_types.php
new file mode 100644
index 0000000000..9962e7802c
--- /dev/null
+++ b/database/migrations/2021_09_24_211504_add_kbc_to_payment_types.php
@@ -0,0 +1,26 @@
+<?php
+
+use App\Models\GatewayType;
+use App\Models\PaymentType;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddKbcToPaymentTypes extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        $type = new PaymentType();
+
+        $type->id = 35;
+        $type->name = 'KBC/CBC';
+        $type->gateway_type_id = GatewayType::KBC;
+
+        $type->save();
+    }
+}
diff --git a/resources/lang/en/texts.php b/resources/lang/en/texts.php
index bb078c1f04..a7de19c420 100644
--- a/resources/lang/en/texts.php
+++ b/resources/lang/en/texts.php
@@ -4314,6 +4314,7 @@ $LANG = array(
     'generic_gateway_error' => 'Gateway configuration error. Please check your credentials.',
     'my_documents' => 'My documents',
     'payment_method_cannot_be_preauthorized' => 'This payment method cannot be preauthorized.',
+    'kbc_cbc' => 'KBC/CBC',
 );
 
 return $LANG;
diff --git a/resources/views/portal/ninja2020/gateways/mollie/kbc/authorize.blade.php b/resources/views/portal/ninja2020/gateways/mollie/kbc/authorize.blade.php
new file mode 100644
index 0000000000..d6b3b3c310
--- /dev/null
+++ b/resources/views/portal/ninja2020/gateways/mollie/kbc/authorize.blade.php
@@ -0,0 +1,8 @@
+@extends('portal.ninja2020.layout.payments', ['gateway_title' => 'KBC/CBC', 'card_title' =>
+'KBC/CBC'])
+
+@section('gateway_content')
+    @component('portal.ninja2020.components.general.card-element-single')
+        {{ __('texts.payment_method_cannot_be_preauthorized') }}
+    @endcomponent
+@endsection
diff --git a/tests/Browser/ClientPortal/Gateways/Mollie/KBCTest.php b/tests/Browser/ClientPortal/Gateways/Mollie/KBCTest.php
new file mode 100644
index 0000000000..a8be7b6cbf
--- /dev/null
+++ b/tests/Browser/ClientPortal/Gateways/Mollie/KBCTest.php
@@ -0,0 +1,89 @@
+<?php
+
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+namespace Tests\Browser\ClientPortal\Gateways\Mollie;
+
+use App\Models\CompanyGateway;
+use Laravel\Dusk\Browser;
+use Tests\DuskTestCase;
+use Tests\Browser\Pages\ClientPortal\Login;
+
+class KBCTest extends DuskTestCase
+{
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        foreach (static::$browsers as $browser) {
+            $browser->driver->manage()->deleteAllCookies();
+        }
+
+        $this->disableCompanyGateways();
+
+        CompanyGateway::where('gateway_key', '1bd651fb213ca0c9d66ae3c336dc77e8')->restore();
+
+        $this->browse(function (Browser $browser) {
+            $browser
+                ->visit(new Login())
+                ->auth();
+        });
+    }
+
+    public function testSuccessfulPayment(): void
+    {
+        $this->browse(function (Browser $browser) {
+            $browser
+                ->visitRoute('client.invoices.index')
+                ->click('@pay-now')
+                ->press('Pay Now')
+                ->clickLink('Undefined.')
+                ->waitForText('Test profile')
+                ->press('CBC')
+                ->radio('final_state', 'paid')
+                ->press('Continue')
+                ->waitForText('Details of the payment')
+                ->assertSee('Completed');
+        });
+    }
+
+    public function testFailedPayment(): void
+    {
+        $this->browse(function (Browser $browser) {
+            $browser
+                ->visitRoute('client.invoices.index')
+                ->click('@pay-now')
+                ->press('Pay Now')
+                ->clickLink('Undefined.')
+                ->waitForText('Test profile')
+                ->press('CBC')
+                ->radio('final_state', 'failed')
+                ->press('Continue')
+                ->waitForText('Failed.');
+        });
+    }
+
+    public function testCancelledTest(): void
+    {
+        $this->browse(function (Browser $browser) {
+            $browser
+                ->visitRoute('client.invoices.index')
+                ->click('@pay-now')
+                ->press('Pay Now')
+                ->clickLink('Undefined.')
+                ->waitForText('Test profile')
+                ->press('CBC')
+                ->radio('final_state', 'canceled')
+                ->press('Continue')
+                ->waitForText('Cancelled.');
+        });
+    }
+}
\ No newline at end of file