British Gas
- 3 Mobile
- AA
- Admiral
- Aldermore
- Alliance & Leicester
- Alliance Trust
- Amazon
- American Express
- Anglo Irish Bank
- AOL
- Aqua
- Argos
- Asda
- Autonet
- Aviva
- AXA
- Bank of Scotland
- Barclaycard
- Barclays
- Barnsley Building Society
- Be
- Bennetts
- Birmingham Midshires
- bmi
- Bradford & Bingley
- BT
- BUDGET
- Bupa
- Cahoot
- Capital One
- CaxtonFX
- Chase Templeton
- Chelsea Building Society
- Cheshire Building Society
- Church House Trust
- Churchill
- Citibank
- Co-operative
- Columbus Direct
- Comparethemarket
- Confused.com
- Creation
- Debenhams
- Demon
- Devitt
- Direct Line
- Direct Save Broadband
- EasyJet Travel Insurance
- eChoice
- Eclipse Internet
- Egg
- Evolution Banking
- First Direct
- FirstSave
- Flexicover
- GE Money
- Go Travel
- GoCompare
- Goldfish
- Governor Money
- Greenbee Broadband
- GreenFlag
- Halifax
- Hastings Direct
- Hiscox
- HSBC
- ICICI
- ING Direct
- InsureandGo
- Intelligent Finance
- Islamic Bank of Britain
- John Lewis
- Leeds Building Society
- Legal & General
- Liverpool Victoria
- Lloyds TSB
- Madasafish
- Market Harborough BS
- Marks & Spencer
- Marriott
- MBNA
- Mint
- Moneysupermarket
- More Than
- Morgan Stanley
- Nationwide
- NatWest
- Nectar
- Northern Rock
- O2 Broadband
- O2 Mobile Broadband
- One Account
- Orange
- Orange Business Mobile Broadband
- Orange Mobile Broadband
- Pet Plan
- Plusnet
- Policy Expert
- Post Office
- Principality
- Prudential
- RAC
- RBS
- Saga
- Sainsbury's
- Santander
- Scottish Widows
- Skipton Building Society
- Sky Broadband
- Smile
- Sony
- Standard Life
- T-Mobile Broadband
- TalkTalk
- Tariam
- Tesco
- The Bank of Ireland
- Think Banking
- Thomas Cook
- Tiscali
- Travel Insurance Web
- UK Online
- United National Bank
- Vanquis
- Virgin
- Virgin Media
- Vodafone Business Broadband
- Vodafone Mobile Broadband
- Woolwich
- Yorkshire Bank
- Yorkshire Building Society
