| AFEMA24.COM Management Limited | Birmingham | 2015 |
| Afemid Services Limited | Sittingbourne | 2015 |
| Afena Trading Limited | Waltham Cross | 2025 |
| Afendi Retail Limited | Manchester | 2023 |
| Afenel Limited | London | 2015 |
| Afeniks Ltd | London | 2022 |
| Aferry Ltd | Oxfordshire | 2000 |
| Afex Agentes DE Valores Ltd | Milton Keynes | 2022 |
| Afexs Limited | Bedford | 2009 |
| AFF Holdings Limited | Hungerford | 2016 |
| AFF Travel NET Ltd | Luton | 2011 |
| Affable CIC | Barnsley | 2025 |
| Affable Home & Office Cleaning Services Ltd | Manchester | 2025 |
| Affable Locums Ltd. | Bedford | 2020 |
| Affair Care Limited | London | 2016 |
| Affan Business Enterprises Limited | Thornton Heath | 2024 |
| Affari 9 Limited | Liverpool | 2015 |
| Affari Media Ltd | Nottingham | 2012 |
| Affarii Limited | Great Chesterford Court | 2007 |
| Affect-Gi Multiactivies Limited | Leicester | 2023 |
| Affective Productions Limited | Brighton | 2017 |
| Affecto Recruitment Ltd | Barnsley | 2013 |
| Affero Ltd | Northampton | 2003 |
| Afff Ltd | London | 2025 |
| Affiance Integrated Security Solutions Limited | Launceston | 2010 |
| Affiixx Ltd | London | 2017 |
| Affilana Marketing Ltd | Edinburgh | 2025 |
| Affiliate Advisory Partners Ltd | London | 2024 |
| Affiliate Wizard Limited | Sutton Coldfield | 2009 |
| Affilifest Ltd | Beckenham | 2024 |
| Affina Search Ltd | Tring | 2017 |
| Affinet Ltd | London | 2019 |
| Affinion Property Services Limited | Birmingham | 2025 |
| Affinitas Consultants Ltd | Leyland | 2011 |
| Affinite Ltd | Warrington | 2023 |
| Affinitisearch Limited | London | 2017 |
| Affinity (Holdings) Limited | Wembley | 2014 |
| Affinity (Reading) Limited | Swanley | 2003 |
| Affinity ALL Saints Limited | Peterborough | 2012 |
| Affinity Angels Limited | Dorking | 2010 |
| Affinity Associates Franchising Limited | Wembley | 2024 |
| Affinity Associates Subscription Services Limited | Wembley | 2024 |
| Affinity Associates Training Limited | Wembley | 2024 |
| Affinity Care South West Ltd | Silsoe | 2018 |
| Affinity Cleaning Services Limited | Braintree | 2019 |
| Affinity Collection Ltd | London | 2023 |
| Affinity Compliance Solutions Ltd | Newport | 2014 |
| Affinity Connections Limited | Chislehurst | 1996 |
| Affinity Construction Limited | London | 2017 |
| Affinity Crew Ltd | Twickenham | 2002 |
| Affinity Drafting Limited | Oldmeldrum | 2006 |
| Affinity Eco Clean Limited | Bury St. Edmunds | 2021 |
| Affinity Education Limited | Barry | 2008 |
| Affinity Financial Consulting UK Limited | Stratford-Upon-Avon | 2009 |
| Affinity FM Ltd | Ruislip, | 2025 |
| Affinity Fostering Services Ltd | Ingatestone | 2013 |
| Affinity GAS Limited | London | 2024 |
| Affinity Green Limited | Uxbridge | 2022 |
| Affinity Group Limited | Norwich | 2004 |
| Affinity Growth Management Ltd | Haverhill | 2020 |
| Affinity Health Limited | London | 2018 |
| Affinity Healthcare Recruitment Ltd | Telford | 2025 |
| Affinity Healthcare Services Ltd | Croydon | 2025 |
| Affinity HR Limited | Blackburn | 2023 |
| Affinity Insights Limited | Northwich | 2025 |
| Affinity Integrity Limited | Ellon | 2008 |
| Affinity Investments Ltd | Sheffield | 2022 |
| Affinity Landscapes Limited | Godalming | 2003 |
| Affinity Leasing Limited | Birmingham | 2006 |
| Affinity Living Development Management Limited | Alderley Edge | 2017 |
| Affinity LNG Projects Limited | London | 2017 |
| Affinity Marketing Direct Limited | Stafford | 2007 |
| Affinity PA Services Ltd | Welling | 2016 |
| Affinity Partnership Group Ltd | Bristol | 2019 |
| Affinity Partnerships Limited | Cleethorpes | 2002 |
| Affinity Payroll Solutions Limited | Cardiff | 2018 |
| Affinity Personnel Limited | Woking | 2014 |
| Affinity PR Limited | Ipswich | 2011 |
| Affinity PROJ3CTS Limited | Dudley | 2012 |
| Affinity Projects Limited | London | 2014 |
| Affinity Property Maintenance Ltd | Godalming | 2016 |
| Affinity Reach Limited | London | 2013 |
| Affinity Recruitment Connect Ltd | London | 2023 |
| Affinity Recruitment Direct Ltd | London | 2023 |
| Affinity Recruitment Limited | Hoddesdon | 2026 |
| Affinity Recruitment Partners Ltd | London | 2023 |
| Affinity Recruitment Pioneers Ltd | London | 2023 |
| Affinity Recruitment Staffing Ltd | London | 2023 |
| Affinity Red Limited | Burton Upon Trent | 2010 |
| Affinity Resource Partnerships Ltd | Portsmouth | 2021 |
| Affinity Search Limited | Exmouth | 2004 |
| Affinity Security Limited | Ingatestone | 2012 |
| Affinity Staff Limited | Stevenage | 2021 |
| Affinity Staffing Services Limited | Exeter | 2019 |
| Affinity Talent Partners Ltd | London | 2021 |
| Affinity Technology Limited | Romsey | 2019 |
| Affinity Travel Ltd | London | 1999 |
| Affinity UK Consultants Limited | London | 2015 |
| Affinity Valuations Limited | London | 2009 |
| Affinity Villas Limited | Liss | 2001 |