| Affilialeads Ltd | London | 2024 |
| Affiliated Utilities Limited | Manchester | 2009 |
| Affiliation of Rotational Moulding Organisations Ltd | Leicestershire | 2013 |
| Affilica Inpractice Software Ltd. | Eastbourne | 1985 |
| Affility Ltd | Haverfordwest | 2022 |
| Affina Beauty Studio Ltd | Launceston | 2013 |
| Affinage Salon Professional Limited | Cosham | 2010 |
| Affinia Group Holdings Limited | Colchester | 2019 |
| Affinitive IT Ltd | Marlow | 2003 |
| Affinitive Ltd | Marlow | 2006 |
| Affinity (Hull) Limited | Hull | 2015 |
| Affinity (London) Limited | London | 1999 |
| Affinity Aesthetics Limited | Penrith | 2010 |
| Affinity Beauty Ltd | Coventry | 2009 |
| Affinity Building Services Ltd | Romford | 2016 |
| Affinity by Bell & Bain Limited | Glasgow | 2026 |
| Affinity Christian Dating Limited | Kington | 2024 |
| Affinity Circle Ltd | Sheffield | 2017 |
| Affinity Club Limited | Nottingham | 2025 |
| Affinity Exports Ltd | Leicester | 2018 |
| Affinity for Hair Limited | Somerset | 2003 |
| Affinity Global Enterprises Ltd | Coventry | 2013 |
| Affinity Hair & Beauty Ltd | Liverpool | 2022 |
| Affinity Hair Design Ltd | Aylesbury | 2025 |
| Affinity HR Services Ltd | Rochester | 2014 |
| Affinity Legal Services Ltd | East Grinstead | 2001 |
| Affinity Marketing NW Ltd | Preston | 2020 |
| Affinity Rooms Limited | Swindon | 2023 |
| Affinity Space Ltd | London | 2019 |
| Affinity Spas Limited | Evesham | 2006 |
| Affinity United Group Ltd | Surbiton | 2025 |
| Affirm Partnership Limited | Harwell | 2009 |
| Affirmative Consulting Limited | Milton Keynes | 2019 |
| Affirmed Traffic Management Ltd | Manchester | 2017 |
| Affix Couriers Ltd | Nottingham | 2016 |
| Affleck Business Communications Ltd | Hove | 2015 |
| Afflex Services Ltd | Warrington | 2019 |
| Afflinity Ltd | Livingston | 2019 |
| Affluence Clinique Ltd | Edgware | 2025 |
| Affluence Consultancy Ltd | Stevenage | 2022 |
| Affluent Acquisitions Limited | London | 2025 |
| Affordable Appliances & Repairs Limited | Bristol | 2003 |
| Affordable Building & Roofing Ltd | Wolverhampton | 2022 |
| Affordable Car Centre Ltd | Bedford | 2019 |
| Affordable Community Catering and Services Limited | Ilford | 2012 |
| Affordable Electrics and Appliance Repairs Ltd | London | 2023 |
| Affordable Electrics and Repairs Ltd | London | 2011 |
| Affordable Farewells Limited | Rustington | 2026 |
| Affordable Funeral Supplies Ltd | Diss | 2023 |
| Affordable Homes UK Limited | Sidmouth | 2003 |
| Affordable IT Solutions Limited | Stoke-On-Trent | 2014 |
| Affordable OFF Gird Energy Limited | Ballymena | 2022 |
| Affordable Printing Co . Limited | Basildon | 2005 |
| Affordable Tanning Solutions Ltd | Leicester | 2025 |
| Affordable Therapies CIC | London | 2021 |
| Affordable Warmth Solutions CIC | Leeds | 2008 |
| Affordis Ltd. | London | 2024 |
| Affortis Ltd | Hook | 2018 |
| Affricardo Ltd | Southampton | 2013 |
| Affscanner Ltd | Solihull | 2018 |
| AFG Enterprise Limited | Gosport | 2021 |
| AFG Law Consultancy Ltd | London | 2024 |
| AFG Services Limited | London | 2025 |
| AFG Trading UK Ltd | London | 2014 |
| Afghan Community Exeter CIC | Exeter | 2024 |
| Afghan Organics Ltd | London | 2025 |
| AFI Athar Limited | Macmerry | 2016 |
| AFI Beauty Clinic Ltd | Luton | 2025 |
| Afiah Ltd | London | 2021 |
| Aficanna Hair and Extensions and Beauty Limited | London | 2025 |
| Afifa & Associates Limited | London | 2013 |
| Afiha Limited | Ilford | 2024 |
| Afijet Aviation UK Ltd | London | 2023 |
| Afilos Ltd | Cardiff | 2024 |
| Afina Paint Limited | Telford | 2019 |
| Afis (U.K.) Ltd | Portsmouth | 2020 |
| Afist(Uk) Limited | Leeds | 2019 |
| Afitglasgow Ltd | Glasgow | 2022 |
| Afittermedg Ltd | Kings Langley | 2018 |
| Afiya Wellness Lounge Ltd | Durham | 2025 |
| Afiyah Services Company Beheer Limited | Hythe | 2025 |
| Afiyah Services Company Limited | Hythe | 2025 |
| AFK Studios (Europe) Ltd | London | 2020 |
| Afkof Limited | Greenford | 2020 |
| AFL Coaching Ltd | Chatham | 2024 |
| Aflame Ministries International Ltd | Cheshunt | 2020 |
| Afluex Ltd | Telford | 2020 |
| Aflux Designs Limited | London | 2017 |
| AFM Advisory Ltd | Winchester | 2021 |
| AFM Contracts Ltd | Alford | 2012 |
| AFM GAS Services Ltd | Whitehaven | 2002 |
| AFM Marine Ltd | London | 2024 |
| AFM Property Maintenance Ltd | London | 2017 |
| Afmena Designs Ltd | London | 2019 |
| Afnan Accountants Ltd | Uxbridge | 2018 |
| Afnan Computer Services Limited | London | 2018 |
| Afnn Ltd | London | 2025 |
| AFO Music Network Limited | Barrow On Humber | 2018 |
| Afonso DA Costa Ltd | London | 2020 |
| Afonsoa Limited | Barking | 2020 |