| *.caterallen.co.uk | URL | Yes | | |
| *.caterallenonline.co.uk | URL | Yes | | |
| *.ficresuk.santanderconsumer.com | URL | Yes | | |
| *.ficresuktestbau.santanderconsumer.com | URL | Yes | | |
| *.ficresuktestcert.santanderconsumer.com | URL | Yes | | |
| *.gateway3sixty.co.uk | URL | Yes | | |
| *.internationalpayments.co.uk | URL | Yes | | |
| *.lbi.santander.uk | URL | Yes | | |
| *.myreward.tbs.aon.com | URL | Yes | | |
| *.mysantanderpension.co.uk | URL | Yes | | |
| *.preprod.clear.santandergbm.com | URL | Yes | | |
| *.santander.my.workfront.com | URL | Yes | | |
| *.santander365uat.co.uk | URL | Yes | | |
| *.santanderaspire.co.uk | URL | Yes | | |
| *.santandercb.co.uk | URL | Yes | | |
| *.santandercib.co.uk | URL | Yes | | |
| *.santanderconfirming.co.uk | URL | Yes | | |
| *.santanderconsumer.co.uk | URL | Yes | | |
| *.santanderdocs.co.uk | URL | Yes | | |
| *.santanderforintermediaries.co.uk | URL | Yes | | |
| *.santandernavigator.co.uk | URL | Yes | | |
| *.santandernow.co.uk | URL | Yes | | |
| *.santanderprivate.co.uk | URL | Yes | | |
| *.santandersupplychainfinance.co.uk | URL | Yes | | |
| *.santandertravelinsurance.co.uk | URL | Yes | | |
| *.santanderupload.co.uk | URL | Yes | | |
| *.scukcalculator.co.uk | URL | Yes | | |
| *.unityplace.co.uk | URL | Yes | | |
| *gamma.tlzproject.com | URL | Yes | | |
| cahoot.com | URL | Yes | | |
| https://*.santander.co.uk | URL | Yes | | |
| https://apps.apple.com/us/app/santander-mobile-banking/id482973524 | IOS | Yes | - | |
| https://play.google.com/store/apps/details?id=uk.co.santander.santanderUK&pli=1 | ANDROID | Yes | | |
| https://santandertrade.com | URL | Yes | | |
| https://waf.ficresuk.santanderconsumer.com | URL | Yes | | |
| https://www.navigator.global | URL | Yes | | |
| san-acc.apakgroup.com | URL | Yes | | |
| san.apakgroup.com | URL | Yes | | |