| Community in Motion CIC | London | 2026 |
| Community in Partnership Knowle West | Bristol | 1997 |
| Community Interest Foundation CIC | Bury St. Edmunds | 2023 |
| Community Junction Limited | Swansea | 2014 |
| Community Kiosk CIC | London | 2026 |
| Community Kitchen (Manchester) Ltd | Salford | 2018 |
| Community Land Scotland | Glasgow | 2010 |
| Community Leisure UK | London | 2006 |
| Community Life Trust | Chertsey | 2002 |
| Community Link Media Ltd | London | 2025 |
| Community Links Bromley | Bromley | 1995 |
| Community Lyncx Community Interest Company | Burton-On-Trent | 2016 |
| Community Maintenance Hub Ltd | London | 2025 |
| Community Massage Project Ltd | Bury St Edmunds | 2023 |
| Community Media Association | London | 1993 |
| Community Media Sports CIC | Colchester | 2023 |
| Community Network Services (Ireland) Limited | | 2003 |
| Community Network UK Ltd | Dagenham | 2025 |
| Community of Christ | Nuneaton | 2001 |
| Community of Christ in London Ltd | Dunstable | 1993 |
| Community of Hashem Worldwide | Epping | 2024 |
| Community of Healing T/A a and S Properties Ltd | Verwood | 2015 |
| Community of the Resurrection(The) | Mirfield | 1930 |
| Community of the Well Ltd | Durham | 2021 |
| Community of Yahweh Worldwide London Limited | Feltham | 1997 |
| Community One Limited | Derby | 2020 |
| Community One Wellingborough CIC | Wellingborough | 2018 |
| Community Orchard Week Ltd | Totnes | 2012 |
| Community Organisations of South Tyrone and Areas Ltd | Dungannon | 2002 |
| Community OUT West Trust | Achnasheen | 2019 |
| Community Outreach and Liaison Support CIC | Milton Keynes | 2025 |
| Community Outreach Consultancy Limited | Stroud | 2009 |
| Community Perks Limited | Belfast | 2018 |
| Community Pharmacy Scotland | Edinburgh | 2011 |
| Community Places (NI) | | 1984 |
| Community Policy Forum Limited | Birmingham | 2022 |
| Community Pony C.I.C. | Paignton | 2021 |
| Community Prayer Fellowship International | Wrexham | 2013 |
| Community Protection and Security Organisation CIC | London | 2026 |
| Community Radio Association Limited | London | 1997 |
| Community Repair Solutions CIC | Widnes | 2026 |
| Community Research Limited | Market Harborough | 2008 |
| Community Resources for Change | Dagenham | 2006 |
| Community Restorative Justice Ireland | Belfast | 2002 |
| Community Safe (UK) Ltd | Prescot | 2013 |
| Community Sauna Box CIC | Norwich | 2024 |
| Community Sauna CIC | London | 2021 |
| Community Sauna Highland CIC | Muir Of Ord | 2024 |
| Community Sauna Network CIC | London | 2025 |
| Community Saunas Scotland CIC | Glasgow | 2025 |
| Community Service Organisation Ltd | London | 2024 |
| Community Solutions Point C.I.C. | Basildon | 2022 |
| Community Southwark | London | 2004 |
| Community Sparks Change Ltd | London | 2021 |
| Community Spirit (Doncaster) C.I.C | Doncaster | 2006 |
| Community Spotlight CIC | Portsmouth | 2022 |
| Community Stars Community Interest Company | Knaresborough | 2020 |
| Community Support Action Ltd | Northwood | 2026 |
| Community Together C.I.C. | Tamworth | 2011 |
| Community Trade Hub Limited | Leven | 2017 |
| Community Transport BUS CIC | Nottingham | 2024 |
| Community United West Berkshire | Newbury | 2020 |
| Community Ventures Development Services CIC | Newcastle Under Lyme | 2015 |
| Community Ventures Port Talbot CIC | Port Talbot | 2015 |
| Community Vision for Inclusive Development Cameroon CIC | Coventry | 2024 |
| Community Voluntary Action Ledbury and District | Ledbury | 2010 |
| Community Welcome CIC | | 2021 |
| Community Welcome Spots CIC | Cardiff | 2026 |
| Community Wellbeing Hub CIC | Maybole | 2021 |
| Community Wine C.I.C. | London | 2023 |
| Community Workshop Lytham CIC | Fleetwood | 2024 |
| Community, Education and Development Foundation Limited | Birmingham | 2002 |
| Community-Police Consultative Group for Lambeth | London | 2005 |
| COMMUNITY360 | Colchester | 2002 |
| Communitypropertysolutions Ltd | London | 2013 |
| Communitysync Ltd | Telford | 2023 |
| Comnet Support Ltd | London | 2019 |
| Como America - UK Ltd | Salford | 2020 |
| Como Cutz Limited | Manchester | 2020 |
| Comote Ltd | London | 2024 |
| Comotrade Sugar Limited | Hythe | 2024 |
| Comoz Ltd | Welwyn Garden City | 2012 |
| Comp Vault's UK Limited | Poole | 2025 |
| Compac Holdings Ltd | Melton Mowbray | 2018 |
| Compact Bathrooms Ltd | Camberley | 2011 |
| Compact DOM & COM Repairs Ltd | Ilford | 2024 |
| Compact Storage Equipment Limited | Essex | 1995 |
| Compactease Ltd | London | 2025 |
| Companies 4 Sale Ltd | Preston | 2021 |
| Companies With Grace Limited | Ascot | 2015 |
| Companion Animal Wellness Ltd | London | 2024 |
| Companion Animals and Equine (Responsible Medicine USE) Limited | Letchworth Garden City | 2021 |
| Companion Cremations Ltd | Selby | 2026 |
| Companion's Haven Ltd. | Bristol | 1989 |
| Companions at Home Limited | Bournemouth | 2017 |
| Companions Pet Cremation Services Ltd | Solihull | 2020 |
| Companionship Services Ltd | Ashford | 2024 |
| Companion’S Haven Holdings Limited | Bristol | 2024 |
| Company 625 Limited | Sudbury | 2012 |
| Company Association of Anatomical Pathology Technology | London | 2011 |