diff --git a/app/Http/Controllers/Gateways/GoCardlessController.php b/app/Http/Controllers/Gateways/GoCardlessController.php
new file mode 100644
index 000000000000..fce5d5eea7ee
--- /dev/null
+++ b/app/Http/Controllers/Gateways/GoCardlessController.php
@@ -0,0 +1,29 @@
+<?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\Http\Controllers\Gateways;
+
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Gateways\GoCardless\IbpRequest;
+use App\Models\GatewayType;
+
+class GoCardlessController extends Controller
+{
+    public function ibpRedirect(IbpRequest $request)
+    {
+        return $request
+            ->getCompanyGateway()
+            ->driver($request->getClient())
+            ->setPaymentMethod(GatewayType::INSTANT_BANK_PAY)
+            ->processPaymentResponse($request);
+    }
+}
diff --git a/app/Http/Requests/Gateways/GoCardless/IbpRequest.php b/app/Http/Requests/Gateways/GoCardless/IbpRequest.php
new file mode 100644
index 000000000000..8caeaf64ca2b
--- /dev/null
+++ b/app/Http/Requests/Gateways/GoCardless/IbpRequest.php
@@ -0,0 +1,67 @@
+<?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\Http\Requests\Gateways\GoCardless;
+
+use App\Models\Client;
+use App\Models\Company;
+use App\Models\CompanyGateway;
+use App\Models\PaymentHash;
+use App\Utils\Traits\MakesHash;
+use Illuminate\Foundation\Http\FormRequest;
+
+class IbpRequest extends FormRequest
+{
+    use MakesHash;
+
+    /**
+     * Determine if the user is authorized to make this request.
+     *
+     * @return bool
+     */
+    public function authorize()
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            //
+        ];
+    }
+
+    public function getCompany(): ?Company
+    {
+        return Company::where('company_key', $this->company_key)->first();
+    }
+
+    public function getCompanyGateway(): ?CompanyGateway
+    {
+        return CompanyGateway::find($this->decodePrimaryKey($this->company_gateway_id));
+    }
+
+    public function getPaymentHash(): ?PaymentHash
+    {
+        return PaymentHash::where('hash', $this->hash)->firstOrFail();
+    }
+
+    public function getClient(): ?Client
+    {
+        return Client::find($this->getPaymentHash()->data->client_id);
+    }
+}
diff --git a/app/PaymentDrivers/GoCardless/InstantBankPay.php b/app/PaymentDrivers/GoCardless/InstantBankPay.php
index 824121f5f58c..8ff808af91be 100644
--- a/app/PaymentDrivers/GoCardless/InstantBankPay.php
+++ b/app/PaymentDrivers/GoCardless/InstantBankPay.php
@@ -2,9 +2,16 @@
 
 namespace App\PaymentDrivers\GoCardless;
 
+use App\Exceptions\PaymentFailed;
 use Illuminate\Http\Request;
 use App\PaymentDrivers\Common\MethodInterface;
 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\GoCardlessPaymentDriver;
 
 class InstantBankPay implements MethodInterface
@@ -18,11 +25,141 @@ class InstantBankPay implements MethodInterface
         $this->go_cardless->init();
     }
 
-    public function authorizeView(array $data) { }
+    public function authorizeView(array $data)
+    {
+    }
 
-    public function authorizeResponse(Request $request) { }
+    public function authorizeResponse(Request $request)
+    {
+    }
 
-    public function paymentView(array $data) { }
+    public function paymentView(array $data)
+    {
+        try {
+            $billing_request = $this->go_cardless->gateway->billingRequests()->create([
+                'params' => [
+                    'payment_request' => [
+                        'description' => ctrans('texts.invoices') . ': ' . collect($data['invoices'])->pluck('invoice_number'),
+                        'amount' => (string) $data['amount_with_fee'] * 100,
+                        'currency' => $this->go_cardless->client->getCurrencyCode(),
+                    ],
+                ]
+            ]);
 
-    public function paymentResponse(PaymentResponseRequest $request) { }
+            $billing_request_flow = $this->go_cardless->gateway->billingRequestFlows()->create([
+                'params' => [
+                    'redirect_uri' => route('gocardless.ibp_redirect', [
+                        'company_key' => $this->go_cardless->company_gateway->company->company_key,
+                        'company_gateway_id' => $this->go_cardless->company_gateway->hashed_id,
+                        'hash' => $this->go_cardless->payment_hash->hash,
+                    ]),
+                    'links' => [
+                        'billing_request' => $billing_request->id,
+                    ]
+                ],
+            ]);
+
+            $this->go_cardless->payment_hash
+                ->withData('client_id', $this->go_cardless->client->id)
+                ->withData('billing_request', $billing_request->id)
+                ->withData('billing_request_flow', $billing_request_flow->id);
+
+            return redirect(
+                $billing_request_flow->authorisation_url
+            );
+        } catch (\Exception $exception) {
+            throw $exception;
+        }
+    }
+
+    public function paymentResponse($request)
+    {
+        $this->go_cardless->setPaymentHash(
+            $request->getPaymentHash()
+        );
+
+        try {
+            $billing_request = $this->go_cardless->gateway->billingRequests()->get(
+                $this->go_cardless->payment_hash->data->billing_request
+            );
+
+            $payment = $this->go_cardless->gateway->payments()->get(
+                $billing_request->payment_request->links->payment
+            );
+
+            if ($billing_request->status === 'fulfilled') {
+                return $this->processSuccessfulPayment($payment);
+            }
+
+            return $this->processUnsuccessfulPayment($payment);
+        } catch (\Exception $exception) {
+            throw new PaymentFailed(
+                $exception->getMessage(), 
+                $exception->getCode()
+            );
+        }
+    }
+
+    /**
+     * Handle pending payments for Instant Bank Transfer.
+     *
+     * @param ResourcesPayment $payment
+     * @param array $data
+     * @return RedirectResponse
+     */
+    public function processSuccessfulPayment(\GoCardlessPro\Resources\Payment $payment, array $data = [])
+    {
+        $data = [
+            'payment_method' => $payment->links->mandate,
+            'payment_type' => PaymentType::INSTANT_BANK_PAY,
+            'amount' => $this->go_cardless->payment_hash->data->amount_with_fee,
+            'transaction_reference' => $payment->id,
+            'gateway_type_id' => GatewayType::INSTANT_BANK_PAY,
+        ];
+
+        $payment = $this->go_cardless->createPayment($data, Payment::STATUS_COMPLETED);
+
+        SystemLogger::dispatch(
+            ['response' => $payment, 'data' => $data],
+            SystemLog::CATEGORY_GATEWAY_RESPONSE,
+            SystemLog::EVENT_GATEWAY_SUCCESS,
+            SystemLog::TYPE_GOCARDLESS,
+            $this->go_cardless->client,
+            $this->go_cardless->client->company,
+        );
+
+        return redirect()->route('client.payments.show', ['payment' => $this->go_cardless->encodePrimaryKey($payment->id)]);
+    }
+
+        /**
+     * Process unsuccessful payments for Direct Debit.
+     *
+     * @param ResourcesPayment $payment
+     * @return never
+     */
+    public function processUnsuccessfulPayment(\GoCardlessPro\Resources\Payment $payment)
+    {
+        PaymentFailureMailer::dispatch($this->go_cardless->client, $payment->status, $this->go_cardless->client->company, $this->go_cardless->payment_hash->data->amount_with_fee);
+
+        PaymentFailureMailer::dispatch(
+            $this->go_cardless->client,
+            $payment,
+            $this->go_cardless->client->company,
+            $payment->amount
+        );
+
+        $message = [
+            'server_response' => $payment,
+            'data' => $this->go_cardless->payment_hash->data,
+        ];
+
+        SystemLogger::dispatch(
+            $message,
+            SystemLog::CATEGORY_GATEWAY_RESPONSE,
+            SystemLog::EVENT_GATEWAY_FAILURE,
+            SystemLog::TYPE_GOCARDLESS,
+            $this->go_cardless->client,
+            $this->go_cardless->client->company,
+        );
+    }
 }
diff --git a/app/PaymentDrivers/GoCardlessPaymentDriver.php b/app/PaymentDrivers/GoCardlessPaymentDriver.php
index 948df3c679e6..c7d890e637d0 100644
--- a/app/PaymentDrivers/GoCardlessPaymentDriver.php
+++ b/app/PaymentDrivers/GoCardlessPaymentDriver.php
@@ -78,7 +78,9 @@ class GoCardlessPaymentDriver extends BaseDriver
             $types[] = GatewayType::SEPA;
         }
 
-        $types[] = GatewayType::INSTANT_BANK_PAY;
+        if ($this->client->currency()->code === 'GBP') {
+            $types[] = GatewayType::INSTANT_BANK_PAY;
+        }
 
         return $types;
     }
diff --git a/routes/web.php b/routes/web.php
index 8c3a8e85d0d3..b8180d7f1583 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -43,3 +43,4 @@ Route::get('stripe/completed', 'StripeConnectController@completed')->name('strip
 
 Route::get('checkout/3ds_redirect/{company_key}/{company_gateway_id}/{hash}', 'Gateways\Checkout3dsController@index')->name('checkout.3ds_redirect');
 Route::get('mollie/3ds_redirect/{company_key}/{company_gateway_id}/{hash}', 'Gateways\Mollie3dsController@index')->name('mollie.3ds_redirect');
+Route::get('gocardless/ibp_redirect/{company_key}/{company_gateway_id}/{hash}', 'Gateways\GoCardlessController@ibpRedirect')->name('gocardless.ibp_redirect');