diff --git a/app/Models/Gateway.php b/app/Models/Gateway.php
index 1fc248c0b61e..47f35f9c9863 100644
--- a/app/Models/Gateway.php
+++ b/app/Models/Gateway.php
@@ -134,13 +134,14 @@ class Gateway extends StaticModel
                     GatewayType::BANK_TRANSFER => ['refund' => true, 'token_billing' => true, 'webhooks' => [' ']],
                 ];
                 break;
-            case 56:
+            case 56: //Stripe
                 return [
                     GatewayType::CREDIT_CARD => ['refund' => true, 'token_billing' => true, 'webhooks' => ['payment_intent.succeeded']],
                     GatewayType::BANK_TRANSFER => ['refund' => true, 'token_billing' => true, 'webhooks' => ['source.chargeable', 'charge.succeeded']],
                     GatewayType::ALIPAY => ['refund' => false, 'token_billing' => false],
                     GatewayType::APPLE_PAY => ['refund' => false, 'token_billing' => false],
-                    GatewayType::SOFORT => ['refund' => true, 'token_billing' => true, 'webhooks' => ['source.chargeable', 'charge.succeeded', 'payment_intent.succeeded']], //Stripe
+                    GatewayType::SOFORT => ['refund' => true, 'token_billing' => true, 'webhooks' => ['source.chargeable', 'charge.succeeded', 'payment_intent.succeeded']],
+                    GatewayType::KLARNA => ['refund' => true, 'token_billing' => true, 'webhooks' => ['source.chargeable', 'charge.succeeded', 'payment_intent.succeeded']],
                     GatewayType::SEPA => ['refund' => true, 'token_billing' => true, 'webhooks' => ['source.chargeable', 'charge.succeeded', 'payment_intent.succeeded']],
                     GatewayType::PRZELEWY24 => ['refund' => true, 'token_billing' => true, 'webhooks' => ['source.chargeable', 'charge.succeeded', 'payment_intent.succeeded']],
                     GatewayType::GIROPAY => ['refund' => true, 'token_billing' => true, 'webhooks' => ['source.chargeable', 'charge.succeeded', 'payment_intent.succeeded']],
diff --git a/app/Models/GatewayType.php b/app/Models/GatewayType.php
index a3e1bc4fd2e6..9802edae51fa 100644
--- a/app/Models/GatewayType.php
+++ b/app/Models/GatewayType.php
@@ -61,6 +61,8 @@ class GatewayType extends StaticModel
 
     const FPX = 22;
 
+    const KLARNA = 23;
+
     public function gateway()
     {
         return $this->belongsTo(Gateway::class);
@@ -116,6 +118,8 @@ class GatewayType extends StaticModel
                 return ctrans('texts.payment_type_instant_bank_pay');
             case self::FPX:
                 return ctrans('texts.fpx');
+            case self::KLARNA:
+                return ctrans('texts.klarna');
             default:
                 return ' ';
                 break;
diff --git a/app/Models/PaymentType.php b/app/Models/PaymentType.php
index 22eb885b787d..21b165014c65 100644
--- a/app/Models/PaymentType.php
+++ b/app/Models/PaymentType.php
@@ -55,6 +55,7 @@ class PaymentType extends StaticModel
     const ACSS = 44;
     const INSTANT_BANK_PAY = 45;
     const FPX = 46;
+    const KLARNA = 47;
 
     public static function parseCardType($cardName)
     {
diff --git a/app/PaymentDrivers/Stripe/Klarna.php b/app/PaymentDrivers/Stripe/Klarna.php
new file mode 100644
index 000000000000..dfafdef7a2a2
--- /dev/null
+++ b/app/PaymentDrivers/Stripe/Klarna.php
@@ -0,0 +1,154 @@
+<?php
+
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2022. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+namespace App\PaymentDrivers\Stripe;
+
+use App\Exceptions\PaymentFailed;
+use App\Jobs\Util\SystemLogger;
+use App\Models\GatewayType;
+use App\Models\Payment;
+use App\Models\PaymentType;
+use App\Models\SystemLog;
+use App\PaymentDrivers\StripePaymentDriver;
+
+class Klarna
+{
+    /** @var StripePaymentDriver */
+    public StripePaymentDriver $stripe;
+
+    public function __construct(StripePaymentDriver $stripe)
+    {
+        $this->stripe = $stripe;
+    }
+
+    public function authorizeView($data)
+    {
+        return render('gateways.stripe.klarna.authorize', $data);
+    }
+
+    public function paymentView(array $data)
+    {
+        $this->stripe->init();
+
+        $data['gateway'] = $this->stripe;
+        $data['return_url'] = $this->buildReturnUrl();
+        $data['stripe_amount'] = $this->stripe->convertToStripeAmount($data['total']['amount_with_fee'], $this->stripe->client->currency()->precision, $this->stripe->client->currency());
+        $data['client'] = $this->stripe->client;
+        $data['customer'] = $this->stripe->findOrCreateCustomer()->id;
+        $data['country'] = $this->stripe->client->country->iso_3166_2;
+
+        $amount = $data['total']['amount_with_fee'];
+
+        $invoice_numbers = collect($data['invoices'])->pluck('invoice_number');
+
+        if ($invoice_numbers.length > 0) {
+            $description = ctrans('texts.payment_provider_paymenttext', ['invoicenumber' => $invoice_numbers->implode(', '), 'amount' => Number::formatMoney($amount, $this->stripe->client), 'client' => $this->stripe->client->present()->name()]);
+        } else {
+            $description = ctrans('texts.payment_prvoder_paymenttext_without_invoice', ['amount' => Number::formatMoney($amount, $this->stripe->client), 'client' => $this->stripe->client->present()->name()]);
+        }
+
+        $intent = \Stripe\PaymentIntent::create([
+            'amount' => $data['stripe_amount'],
+            'currency' => 'eur',
+            'payment_method_types' => ['klarna'],
+            'customer' => $this->stripe->findOrCreateCustomer(),
+            'description' => $description,
+            'metadata' => [
+                'payment_hash' => $this->stripe->payment_hash->hash,
+                'gateway_type_id' => GatewayType::GIROPAY,
+            ],
+        ], $this->stripe->stripe_connect_auth);
+
+        $data['pi_client_secret'] = $intent->client_secret;
+
+        $this->stripe->payment_hash->data = array_merge((array) $this->stripe->payment_hash->data, ['stripe_amount' => $data['stripe_amount']]);
+        $this->stripe->payment_hash->save();
+
+        return render('gateways.stripe.klarna.pay', $data);
+    }
+
+    private function buildReturnUrl(): string
+    {
+        return route('client.payments.response', [
+            'company_gateway_id' => $this->stripe->company_gateway->id,
+            'payment_hash' => $this->stripe->payment_hash->hash,
+            'payment_method_id' => GatewayType::KLARNA,
+        ]);
+    }
+
+    public function paymentResponse($request)
+    {
+        $this->stripe->payment_hash->data = array_merge((array) $this->stripe->payment_hash->data, $request->all());
+        $this->stripe->payment_hash->save();
+
+        if (in_array($request->redirect_status,  ['succeeded','pending'])) {
+            return $this->processSuccessfulPayment($request->payment_intent);
+        }
+
+        return $this->processUnsuccessfulPayment();
+    }
+
+    public function processSuccessfulPayment(string $payment_intent)
+    {
+
+        $this->stripe->init();
+
+        //catch duplicate submissions.
+        if (Payment::where('transaction_reference', $payment_intent)->exists()) {
+            return redirect()->route('client.payments.index');
+        }
+
+        $data = [
+            'payment_method' => $payment_intent,
+            'payment_type' => PaymentType::GIROPAY,
+            'amount' => $this->stripe->convertFromStripeAmount($this->stripe->payment_hash->data->stripe_amount, $this->stripe->client->currency()->precision, $this->stripe->client->currency()),
+            'transaction_reference' => $payment_intent,
+            'gateway_type_id' => GatewayType::KLARNA,
+        ];
+
+        $this->stripe->createPayment($data, Payment::STATUS_PENDING);
+
+        SystemLogger::dispatch(
+            ['response' => $this->stripe->payment_hash->data, 'data' => $data],
+            SystemLog::CATEGORY_GATEWAY_RESPONSE,
+            SystemLog::EVENT_GATEWAY_SUCCESS,
+            SystemLog::TYPE_STRIPE,
+            $this->stripe->client,
+            $this->stripe->client->company,
+        );
+
+        return redirect()->route('client.payments.index');
+    }
+
+    public function processUnsuccessfulPayment()
+    {
+        $server_response = $this->stripe->payment_hash->data;
+
+        $this->stripe->sendFailureMail($server_response);
+
+        $message = [
+            'server_response' => $server_response,
+            'data' => $this->stripe->payment_hash->data,
+        ];
+
+        SystemLogger::dispatch(
+            $message,
+            SystemLog::CATEGORY_GATEWAY_RESPONSE,
+            SystemLog::EVENT_GATEWAY_FAILURE,
+            SystemLog::TYPE_STRIPE,
+            $this->stripe->client,
+            $this->stripe->client->company,
+        );
+
+        throw new PaymentFailed(ctrans('texts.payment_provider_failed_process_payment'), 500);
+    }
+}
diff --git a/app/PaymentDrivers/StripePaymentDriver.php b/app/PaymentDrivers/StripePaymentDriver.php
index 73500a5a70e8..09926793567d 100644
--- a/app/PaymentDrivers/StripePaymentDriver.php
+++ b/app/PaymentDrivers/StripePaymentDriver.php
@@ -410,7 +410,7 @@ class StripePaymentDriver extends BaseDriver
     {
         $this->init();
 
-        $params = [];
+        $params = ['usage' => 'off_session'];
         $meta = $this->stripe_connect_auth;
 
         return SetupIntent::create($params, $meta);
@@ -669,14 +669,22 @@ class StripePaymentDriver extends BaseDriver
                 ], $this->stripe_connect_auth);
 
                 if ($charge->captured) {
-                    $payment = Payment::query()
-                        ->where('transaction_reference', $transaction['payment_intent'])
-                        ->where('company_id', $request->getCompany()->id)
-                        ->where(function ($query) use ($transaction) {
-                            $query->where('transaction_reference', $transaction['payment_intent'])
-                                  ->orWhere('transaction_reference', $transaction['id']);
-                        })
-                        ->first();
+
+                    $payment = false;
+
+                    if(isset($transaction['payment_intent']))
+                    {
+                        $payment = Payment::query()
+                            ->where('transaction_reference', $transaction['payment_intent'])
+                            ->where('company_id', $request->getCompany()->id)
+                            ->first();
+                    }
+                    elseif(isset($transaction['id'])) {
+                        $payment = Payment::query()
+                            ->where('transaction_reference', $transaction['id'])
+                            ->where('company_id', $request->getCompany()->id)
+                            ->first();
+                    }
 
                     if ($payment) {
                         $payment->status_id = Payment::STATUS_COMPLETED;
diff --git a/database/migrations/2022_05_12_56879_add_stripe_klarna.php b/database/migrations/2022_05_12_56879_add_stripe_klarna.php
new file mode 100644
index 000000000000..969553634d52
--- /dev/null
+++ b/database/migrations/2022_05_12_56879_add_stripe_klarna.php
@@ -0,0 +1,34 @@
+<?php
+
+use App\Models\GatewayType;
+use App\Models\PaymentType;
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('payment_types', function (Blueprint $table) {
+            $type = new PaymentType();
+
+            $type->id = 47;
+            $type->name = 'Klarna';
+            $type->gateway_type_id = GatewayType::KLARNA;
+
+            $type->save();
+        });
+        $type = new GatewayType();
+
+        $type->id = 23;
+        $type->alias = 'klarna';
+        $type->name = 'Klarna';
+
+        $type->save();
+    }
+};
diff --git a/lang/en/texts.php b/lang/en/texts.php
index f829dee616e0..fe90fc06bef5 100644
--- a/lang/en/texts.php
+++ b/lang/en/texts.php
@@ -2822,11 +2822,11 @@ $LANG = array(
     'invalid_url' => 'Invalid URL',
     'workflow_settings' => 'Workflow Settings',
     'auto_email_invoice' => 'Auto Email',
-    'auto_email_invoice_help' => 'Automatically email recurring invoices when they are created.',
+    'auto_email_invoice_help' => 'Automatically email recurring invoices when created.',
     'auto_archive_invoice' => 'Auto Archive',
-    'auto_archive_invoice_help' => 'Automatically archive invoices when they are paid.',
+    'auto_archive_invoice_help' => 'Automatically archive invoices when paid.',
     'auto_archive_quote' => 'Auto Archive',
-    'auto_archive_quote_help' => 'Automatically archive quotes when they are converted.',
+    'auto_archive_quote_help' => 'Automatically archive quotes when converted to invoice.',
     'require_approve_quote' => 'Require approve quote',
     'require_approve_quote_help' => 'Require clients to approve quotes.',
     'allow_approve_expired_quote' => 'Allow approve expired quote',
@@ -3414,7 +3414,7 @@ $LANG = array(
     'credit_number_counter' => 'Credit Number Counter',
     'reset_counter_date' => 'Reset Counter Date',
     'counter_padding' => 'Counter Padding',
-    'shared_invoice_quote_counter' => 'Shared Invoice Quote Counter',
+    'shared_invoice_quote_counter' => 'Share Invoice Quote Counter',
     'default_tax_name_1' => 'Default Tax Name 1',
     'default_tax_rate_1' => 'Default Tax Rate 1',
     'default_tax_name_2' => 'Default Tax Name 2',
@@ -3688,7 +3688,7 @@ $LANG = array(
     'force_update_help' => 'You are running the latest version but there may be pending fixes available.',
     'mark_paid_help' => 'Track the expense has been paid',
     'mark_invoiceable_help' => 'Enable the expense to be invoiced',
-    'add_documents_to_invoice_help' => 'Make the documents visible',
+    'add_documents_to_invoice_help' => 'Make the documents visible to client',
     'convert_currency_help' => 'Set an exchange rate',
     'expense_settings' => 'Expense Settings',
     'clone_to_recurring' => 'Clone to Recurring',
@@ -4061,7 +4061,7 @@ $LANG = array(
      'save_payment_method_details' => 'Save payment method details',
      'new_card' => 'New card',
      'new_bank_account' => 'New bank account',
-     'company_limit_reached' => 'Limit of 10 companies per account.',
+     'company_limit_reached' => 'Limit of :limit companies per account.',
      'credits_applied_validation' => 'Total credits applied cannot be MORE than total of invoices',
      'credit_number_taken' => 'Credit number already taken',
      'credit_not_found' => 'Credit not found',
@@ -4199,7 +4199,7 @@ $LANG = array(
      'client_id_number' => 'Client ID Number',
      'count_minutes' => ':count Minutes',
      'password_timeout' => 'Password Timeout',
-     'shared_invoice_credit_counter' => 'Shared Invoice/Credit Counter',
+     'shared_invoice_credit_counter' => 'Share Invoice/Credit Counter',
 
     'activity_80' => ':user created subscription :subscription',
     'activity_81' => ':user updated subscription :subscription',
@@ -4219,7 +4219,7 @@ $LANG = array(
     'max_companies_desc' => 'You have reached your maximum number of companies. Delete existing companies to migrate new ones.',
     'migration_already_completed' => 'Company already migrated',
     'migration_already_completed_desc' => 'Looks like you already migrated <b> :company_name </b>to the V5 version of the Invoice Ninja. In case you want to start over, you can force migrate to wipe existing data.',
-    'payment_method_cannot_be_authorized_first' => 'This payment method can be can saved for future use, once you complete your first transaction. Don\'t forget to check "Store credit card details" during payment process.',
+    'payment_method_cannot_be_authorized_first' => 'This payment method can be can saved for future use, once you complete your first transaction. Don\'t forget to check "Store details" during payment process.',
     'new_account' => 'New account',
     'activity_100' => ':user created recurring invoice :recurring_invoice',
     'activity_101' => ':user updated recurring invoice :recurring_invoice',
@@ -4254,7 +4254,7 @@ $LANG = array(
     'auto_bill_disabled' => 'Auto Bill Disabled',
     'select_payment_method' => 'Select a payment method:',
     'login_without_password' => 'Log in without password',
-    'email_sent' => 'E-mail sent, please check your inbox.',
+    'email_sent' => 'Email me when an invoice is <b>sent</b>',
     'one_time_purchases' => 'One time purchases',
     'recurring_purchases' => 'Recurring purchases',
     'you_might_be_interested_in_following' => 'You might be interested in the following',
@@ -4540,7 +4540,7 @@ $LANG = array(
     'reminder_message' => 'Reminder for invoice :number for :balance',
     'gmail_credentials_invalid_subject' => 'Send with GMail invalid credentials',
     'gmail_credentials_invalid_body' => 'Your GMail credentials are not correct, please log into the administrator portal and navigate to Settings > User Details and disconnect and reconnect your GMail account. We will send you this notification daily until this issue is resolved',
-    'notification_invoice_sent' => 'Invoice Sent',
+    'notification_invoice_sent' => 'The following client :client was emailed Invoice :invoice for :amount.',
     'total_columns' => 'Total Fields',
     'view_task' => 'View Task',
     'cancel_invoice' => 'Cancel',
@@ -4573,13 +4573,13 @@ $LANG = array(
     'tax_amount3' => 'Tax Amount 3',
     'update_project' => 'Update Project',
     'auto_archive_invoice_cancelled' => 'Auto Archive Cancelled Invoice',
-    'auto_archive_invoice_cancelled_help' => 'Automatically archive invoices when they are cancelled',
+    'auto_archive_invoice_cancelled_help' => 'Automatically archive invoices when cancelled',
     'no_invoices_found' => 'No invoices found',
     'created_record' => 'Successfully created record',
     'auto_archive_paid_invoices' => 'Auto Archive Paid',
     'auto_archive_paid_invoices_help' => 'Automatically archive invoices when they are paid.',
     'auto_archive_cancelled_invoices' => 'Auto Archive Cancelled',
-    'auto_archive_cancelled_invoices_help' => 'Automatically archive invoices when they are cancelled.',
+    'auto_archive_cancelled_invoices_help' => 'Automatically archive invoices when cancelled.',
     'alternate_pdf_viewer' => 'Alternate PDF Viewer',
     'alternate_pdf_viewer_help' => 'Improve scrolling over the PDF preview [BETA]',
     'currency_cayman_island_dollar' => 'Cayman Island Dollar',
@@ -4777,6 +4777,80 @@ $LANG = array(
     'invoice_task_project' => 'Invoice Task Project',
     'invoice_task_project_help' => 'Add the project to the invoice line items',
 
+    'bulk_action' => 'Bulk Action',
+    'phone_validation_error' => 'This mobile/cell phone number is not valid, please enter in E.164 format',
+    'transaction' => 'Transaction',
+    'disable_2fa' => 'Disable 2FA',
+    'change_number' => 'Change Number',
+    'resend_code' => 'Resend Code',
+    'base_type' => 'Base Type',
+    'category_type' => 'Category Type',
+    'bank_transaction' => 'Transaction',
+    'bulk_print' => 'Print PDF',
+    'vendor_postal_code' => 'Vendor Postal Code',
+    'preview_location' => 'Preview Location',
+    'bottom' => 'Bottom',
+    'side' => 'Side',
+    'pdf_preview' => 'PDF Preview',
+    'long_press_to_select' => 'Long Press to Select',
+    'purchase_order_item' => 'Purchase Order Item',
+    'would_you_rate_the_app' => 'Would you like to rate the app?',
+    'include_deleted' => 'Include Deleted',
+    'include_deleted_help' => 'Include deleted records in reports',
+    'due_on' => 'Due On',
+    'browser_pdf_viewer' => 'Use Browser PDF Viewer',
+    'browser_pdf_viewer_help' => 'Warning: Prevents interacting with app over the PDF',
+    'converted_transactions' => 'Successfully converted transactions',
+    'default_category' => 'Default Category',
+    'connect_accounts' => 'Connect Accounts',
+    'manage_rules' => 'Manage Rules',
+    'search_category' => 'Search 1 Category',
+    'search_categories' => 'Search :count Categories',
+    'min_amount' => 'Min Amount',
+    'max_amount' => 'Max Amount',
+    'converted_transaction' => 'Successfully converted transaction',
+    'convert_to_payment' => 'Convert to Payment',
+    'deposit' => 'Deposit',
+    'withdrawal' => 'Withdrawal',
+    'deposits' => 'Deposits',
+    'withdrawals' => 'Withdrawals',
+    'matched' => 'Matched',
+    'unmatched' => 'Unmatched',
+    'create_credit' => 'Create Credit',
+    'transactions' => 'Transactions',
+    'new_transaction' => 'New Transaction',
+    'edit_transaction' => 'Edit Transaction',
+    'created_transaction' => 'Successfully created transaction',
+    'updated_transaction' => 'Successfully updated transaction',
+    'archived_transaction' => 'Successfully archived transaction',
+    'deleted_transaction' => 'Successfully deleted transaction',
+    'removed_transaction' => 'Successfully removed transaction',
+    'restored_transaction' => 'Successfully restored transaction',
+    'search_transaction' => 'Search Transaction',
+    'search_transactions' => 'Search :count Transactions',
+    'deleted_bank_account' => 'Successfully deleted bank account',
+    'removed_bank_account' => 'Successfully removed bank account',
+    'restored_bank_account' => 'Successfully restored bank account',
+    'search_bank_account' => 'Search Bank Account',
+    'search_bank_accounts' => 'Search :count Bank Accounts',
+    'code_was_sent_to' => 'A code has been sent via SMS to :number',
+    'verify_phone_number_2fa_help' => 'Please verify your phone number for 2FA backup',
+    'enable_applying_payments_later' => 'Enable Applying Payments Later',
+    'line_item_tax_rates' => 'Line Item Tax Rates',
+    'show_tasks_in_client_portal' => 'Show Tasks in Client Portal',
+    'notification_quote_expired_subject' => 'Quote :invoice has expired for :client',
+    'notification_quote_expired' => 'The following Quote :invoice for client :client and :amount has now expired.',
+    'auto_sync' => 'Auto Sync',
+    'refresh_accounts' => 'Refresh Accounts',
+    'upgrade_to_connect_bank_account' => 'Upgrade to Enterprise to connect your bank account',
+    'click_here_to_connect_bank_account' => 'Click here to connect your bank account',
+    'include_tax' => 'Include tax',
+    'email_template_change' => 'E-mail template body can be changed on',
+    'task_update_authorization_error' => 'Insufficient permissions, or task may be locked',
+    'cash_vs_accrual' => 'Accrual accounting',
+    'cash_vs_accrual_help' => 'Turn on for accrual reporting, turn off for cash basis reporting.',
+    'expense_paid_report' => 'Expensed reporting',
+    'expense_paid_report_help' => 'Turn on for reporting all expenses, turn off for reporting only paid expenses',
 );
 
 return $LANG;
diff --git a/resources/js/clients/payments/stripe-klarna.js b/resources/js/clients/payments/stripe-klarna.js
new file mode 100644
index 000000000000..dfaa63092919
--- /dev/null
+++ b/resources/js/clients/payments/stripe-klarna.js
@@ -0,0 +1,68 @@
+/**
+ * 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
+ */
+
+class ProcessKlarna {
+    constructor(key, stripeConnect) {
+        this.key = key;
+        this.errors = document.getElementById('errors');
+        this.stripeConnect = stripeConnect;
+    }
+
+    setupStripe = () => {
+
+        if (this.stripeConnect){
+           // this.stripe.stripeAccount = this.stripeConnect;
+
+           this.stripe = Stripe(this.key, {
+              stripeAccount: this.stripeConnect,
+            });
+
+        }
+        else {
+            this.stripe = Stripe(this.key);
+        }
+
+
+        return this;
+    };
+
+    handle = () => {
+        document.getElementById('pay-now').addEventListener('click', (e) => {
+            let errors = document.getElementById('errors');
+
+            document.getElementById('pay-now').disabled = true;
+            document.querySelector('#pay-now > svg').classList.remove('hidden');
+            document.querySelector('#pay-now > span').classList.add('hidden');
+
+            this.stripe.confirmKlarnaPayment(
+                document.querySelector('meta[name=pi-client-secret').content,
+                {
+                    payment_method: {
+                        billing_details: {
+                            name: document.getElementById("giropay-name").value,
+                        },
+                    },
+                    return_url: document.querySelector(
+                        'meta[name="return-url"]'
+                    ).content,
+                }
+            );
+        });
+    };
+}
+
+const publishableKey = document.querySelector(
+    'meta[name="stripe-publishable-key"]'
+)?.content ?? '';
+
+const stripeConnect =
+    document.querySelector('meta[name="stripe-account-id"]')?.content ?? '';
+
+new ProcessKlarna(publishableKey, stripeConnect).setupStripe().handle();
diff --git a/resources/views/portal/ninja2020/gateways/stripe/klarna/authorize.blade.php b/resources/views/portal/ninja2020/gateways/stripe/klarna/authorize.blade.php
new file mode 100644
index 000000000000..ceb2d28000d5
--- /dev/null
+++ b/resources/views/portal/ninja2020/gateways/stripe/klarna/authorize.blade.php
@@ -0,0 +1,7 @@
+@extends('portal.ninja2020.layout.payments', ['gateway_title' => ctrans('texts.bank_account'), 'card_title' => ctrans('texts.bank_account')])
+
+@section('gateway_content')
+    @component('portal.ninja2020.components.general.card-element-single', ['title' => ctrans('texts.bank_account'), 'show_title' => false])
+        {{ __('texts.sofort_authorize_label') }}
+    @endcomponent
+@endsection
diff --git a/resources/views/portal/ninja2020/gateways/stripe/klarna/pay.blade.php b/resources/views/portal/ninja2020/gateways/stripe/klarna/pay.blade.php
new file mode 100644
index 000000000000..54989216165f
--- /dev/null
+++ b/resources/views/portal/ninja2020/gateways/stripe/klarna/pay.blade.php
@@ -0,0 +1,31 @@
+@extends('portal.ninja2020.layout.payments', ['gateway_title' => 'Klarna', 'card_title' => 'Klarna'])
+
+@section('gateway_head')
+    @if($gateway->company_gateway->getConfigField('account_id'))
+    <meta name="stripe-account-id" content="{{ $gateway->company_gateway->getConfigField('account_id') }}">
+    <meta name="stripe-publishable-key" content="{{ config('ninja.ninja_stripe_publishable_key') }}">
+    @else
+    <meta name="stripe-publishable-key" content="{{ $gateway->company_gateway->getPublishableKey() }}">
+    @endif
+    <meta name="return-url" content="{{ $return_url }}">
+    <meta name="amount" content="{{ $stripe_amount }}">
+    <meta name="country" content="{{ $country }}">
+    <meta name="customer" content="{{ $customer }}">
+    <meta name="pi-client-secret" content="{{ $pi_client_secret }}">
+@endsection
+
+@section('gateway_content')
+    <div class="alert alert-failure mb-4" hidden id="errors"></div>
+
+    @include('portal.ninja2020.gateways.includes.payment_details')
+
+    @component('portal.ninja2020.components.general.card-element', ['title' => ctrans('texts.payment_type')])
+        {{ ctrans('texts.klarna') }} ({{ ctrans('texts.bank_transfer') }})
+    @endcomponent
+    @include('portal.ninja2020.gateways.includes.pay_now')
+@endsection
+
+@push('footer')
+    <script src="https://js.stripe.com/v3/"></script>
+    <script src="{{ asset('js/clients/payments/stripe-klarna.js') }}"></script>
+@endpush
diff --git a/webpack.mix.js b/webpack.mix.js
index 2ed78e49227c..df0604426709 100644
--- a/webpack.mix.js
+++ b/webpack.mix.js
@@ -22,6 +22,10 @@ mix.js("resources/js/app.js", "public/js")
         "resources/js/clients/payments/stripe-ach.js",
         "public/js/clients/payments/stripe-ach.js"
     )
+    .js(
+        "resources/js/clients/payments/stripe-klarna.js",
+        "public/js/clients/payments/stripe-klarna.js"
+    )
     .js(
         "resources/js/clients/invoices/action-selectors.js",
         "public/js/clients/invoices/action-selectors.js"