Hemel Hempstead RISC OS User Group Computers, Systems, RISC OS, User Groups - Hemel Hempstead RISC OS User Group. Meet in Boxmoor. http://hhrug.org/
Wakefield RISC OS Computer Club Computers, Systems, RISC OS, User Groups - WROCC. Wakefield RISC OS Computer Club. http://www.wrocc.org.uk
Big Ben Club Computers, Systems, RISC OS, User Groups - Big Ben Club. National Acorn/RISC OS computer group of the Netherlands. https://www.bigbenclub.nl/
The ARM Club Computers, Systems, RISC OS, User Groups - The ARM Club. The ARM Club is the main usergroup for users of RISC OS machines. https://www.armclub.org.uk/
AAUG: Association of Acorn User Groups Computers, Systems, RISC OS, User Groups - AAUG: Association of Acorn User Groups. Umbrella organisation, with the aim to increase channels of communication between user groups and businesses. https://www.aaug.net/