Make a Payment Make a Payment UK Customers Credit and Debit Card Payments Click the green button below to pay using STRIPE secure payment system.Enter the payment amount and invoice number once on the payment page. PAYMENT PAGE You will be taken to STRIPE to complete the payment, and you will return back to this website. Outside of the UK PayPal Payments To pay for your invoice via PayPal, enter your invoice number in the box below. Then click the PAY NOW button below.When you arrive at the PayPal payment page, the form shows “Price Per Item”. Enter the full invoice amount here, please.Thank you! Invoice number: News & Events