| 1) Adyen | | | |
| 2) AIB Merchant Services | | | |
| 3) Bank of America Merchant Services | | | |
| 4) Barclaycard | | | |
| 5) Braintree | | | |
| 6) Cardstream | | | |
| 7) Credorax | | | |
| 8) Cybersource/Authorise.net | | | |
| 9) Elavon | | | |
| 10) Evo Payments | | | |
| 11) First Data | | | |
| 12) Global Payments | | | |
| 13) HandePay | | | |
| 14) Zettle | | | |
| 15) Klarna | | | |
| 16) Lloyds Cardnet | | | |
| 17) NatWest tyl | | | |
| 18) NetPay | | | |
| 19) Payment sense | | | |
| 20) PayPal | | | |
| 21) PayZone | | | |
| 22) Retail Merchant Services (RML) | | | |
| 23) Safecharge | | | |
| 24) Sagepay | | | |
| 25) Square | | | |
| 26) Stripe | | | |
| 27) Sumup | | | |
| 28) Valitor | | | |
| 29) Wirecard | | | |
| 30) Worldline | | | |
| 31) Worldpay | | | |
| 32) Checkout.com | | | |
| 33) Acquired.com | | | |
| 34) Gocardless | | | |
| Other (please specify below) | | | |