- British Computer Society (2)
- Computing Services & Software Association (CSSA)
- Hosting IT industry trade associations and promoting U.K. based software, IT services and information industries. - Construction Industry Computing Association (CICA)
- Promotes effective use of information technology in the construction industry. - HP/Works - HP/Apollo Technical Workstation User Group
- UK-based technical user group for HP and Apollo systems - IT Europa
- Offers information, news, and research on the European I.T./PC channel. Provides surveys and reports on the reseller, retailer, integrator, distribution, software, and computing market. - London Advice Services Alliance (LASA)
- Designed for those providing advice and information services. Includes help on information systems and getting the best out of IT, welfare benefits, and policy work in the U.K. advice sector. - M Technology Association - United Kingdom & Ireland
 - National Computing Centre
- Membership and research organisation with the aim of promoting the effective use of information technology. - Network Professional Association
 - Society of Information Technology Management (SOCITM)
- Primary objective of the society is to promote the effective and efficient use of Information Technology in local government and the public sector. - Worshipful Company of Information Technologists
- Promotes industry standards with a focus on the City of London and charity.
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