ISO/IEC 20000 Listings - United Kingdom
- Agfa HealthCare UK Limited
- BAE Systems (Operations) Ltd Logistics & Information Services
- bss
- BT DWP
- BT Global Service
- Capgemini UK PLC
- Capita/NHSBSA
- Capita Secure Information Systems
- Capita Secure Information Systems DCC ICT Managed Service
- CEVA Logistics Ltd UK IS & S
- Competition Commission - IT Dept
- Computacenter UK Ltd
- CSE Global UK Ltd
- English Heritage
- Eversheds LLP
- G4S Care and Justice Services (UK) Limited
- Getronics UK Limited
- Hampshire County Council - IT Services Department
- HM Land Registry
- IBM UK Ltd - MOD LITS Service Delivery
- ICT Services Unity Partnership
- ioko365 Ltd
- Isle of Man Government Department of Economic Development, Information Systems Division
- KIT Digital
- Link21CT Service Birmingham
- Liverpool Direct Limited
- Liverpool Victoria Friendly Society Ltd
- Logica UK Ltd - H.M. Land Registry
- Logica UK Ltd - The Law Society
- LSC Group
- Marval Software Limited
- Microcomputer Workshops Ltd
- Northgate Managed Services
- NTT Europe Ltd
- Oxford University Press Group IT Services
- Patech Solutions Ltd
- SAIC Ltd
- Score Group Plc, Glenugie Engineering Works
- Selection Services Ltd
- Service Birmingham Ltd
- Steria OMNI Live Services (MoJ Sector)
- Stockport Council - Business Services ICT
- TCM Solutions
- Thales Information Systems Ltd
- Virgin Media Limited