| Afdc Limited | Manchester | 2011 |
| Afdhal Hussain Sanitary Contracting UK Limited | Wembley | 2022 |
| AFE Construction Services Limited | Potters Bar | 2017 |
| AFE Design and Build Limited | Chesham | 2016 |
| AFE Groundworks Limited | Chislehurst | 2018 |
| AFE Painters Limited | London | 2025 |
| AFE Systems Limited | Nottinghamshire | 2002 |
| Afeeshassan Limited | London | 2014 |
| Afei Ltd | Southport | 2024 |
| AFF Builders Ltd | Stoke-On-Trent | 2024 |
| AFF Rail Ltd | London | 2017 |
| Affaan Sattar Limited | Stoke-On-Trent | 2021 |
| Affability Limited | Belvedere | 2024 |
| Affable Piling Co. Ltd | Maidstone | 2004 |
| Affan Builders Ltd | Dudley | 2026 |
| Affd Trade Limited | London | 2025 |
| Affect Ability Limited | Swansea | 2017 |
| Affect Property Limited | Colchester | 2024 |
| Affective Rail and Plant UK Ltd | Tarbolton | 2025 |
| Affes Decor Ltd | Hounslow | 2015 |
| Afficient Construction and Design Limited | Bromley | 2006 |
| Affiliate Contractors Limited | Maidstone | 2018 |
| Affiliated Building Contracts Limited | Rugby | 1975 |
| Affiliated Home Resolutions Ltd | Bromsgrove | 2025 |
| Affiniti BMS Ltd | Hamilton | 2017 |
| Affiniti Response Limited | Hamilton | 2007 |
| Affinity Azure Limited | Waltham Cross | 2025 |
| Affinity Brickwork & Building Services Limited | Burnley | 2017 |
| Affinity Build Pro Limited | Oxted | 2023 |
| Affinity Decking Ltd | Manchester | 2022 |
| Affinity Design and Management Limited | Stoke-On-Trent | 2016 |
| Affinity Developments Ltd | Fareham | 2019 |
| Affinity Domestic Limited | Harlow | 2021 |
| Affinity Electrical Ltd | Hornchurch | 2005 |
| Affinity Electrical Solutions Ltd | Wrexham | 2017 |
| Affinity Estates (Consulting) Limited | Surbiton | 2021 |
| Affinity Facades Ltd | London | 2020 |
| Affinity Flooring Limited | London | 2013 |
| Affinity Glass Ltd | Stockport | 2009 |
| Affinity Heating & Plumbing Limited | Horley | 2022 |
| Affinity Home Improvements Limited | Horley | 2025 |
| Affinity Homes Ltd | Tunbridge Wells | 2018 |
| Affinity Homes Northern Limited | Manchester | 2022 |
| Affinity Install Ltd | Black Notley | 2018 |
| Affinity Lake View Limited | Exeter | 2014 |
| Affinity Living Embankment West Developments Limited | Alderley Edge | 2007 |
| Affinity Living Embankment West Limited | Alderley Edge | 2007 |
| Affinity Living Trinity Holdco Limited | Alderley Edge | 2016 |
| Affinity Projects 131 Limited | Dumfries | 2023 |
| Affinity Property Development Limited | Exeter | 2010 |
| Affinity Property Investments Limited | Potter Bar | 2005 |
| Affinity Property Services Limited | Eastleigh | 2026 |
| Affinity Rail Group Limited | Liverpool | 2018 |
| Affinity Residential Developments Ltd | Eastleigh | 2023 |
| Affinity Residential Property Limited | Batley | 2017 |
| Affinity Roofing Banbury Ltd | Banbury | 2025 |
| Affinity Scaffolding Limited | Hook | 2016 |
| Affinity Tigris Ltd | Luton | 2021 |
| Affinity Yorkshire Ltd | Bradford | 2015 |
| Affirm Design & Construction Ltd | London | 2025 |
| Affirm Technical Services Limited | Aylesford | 2018 |
| Affix Ltd | Egham | 2023 |
| Affix Pro Locksmith Ltd | London | 2024 |
| Affix Scaffolding Limited | Leeds | 2009 |
| Affix Services Ltd | Rayleigh | 2025 |
| Affix Signs Ltd. | Bristol | 2022 |
| Affix Windows and Doors Limited | Sidcup | 2013 |
| Affixx Ltd | Uxbridge | 2024 |
| Affluence Assets Ltd | Glasgow | 2025 |
| Affluent Construction Ltd | Torrington | 2026 |
| Affluent Decor Ltd | London | 2024 |
| Afflux Ventilation Systems Ltd | Aylesford | 2022 |
| Affno Ltd | Uxbridge | 2025 |
| Afford Builders Ltd | Stoke-On-Trent | 2024 |
| Afford Home Improvements Ltd | Liverpool | 2026 |
| Afford Recruitment Ltd | Hessle | 2018 |
| Afford Scaffolding Limited | Crewe | 2015 |
| Afford Solutions Ltd | London | 2024 |
| Afford-A-Floor Ltd | Harlow | 2023 |
| Affordable Accessible Properties Ltd | Ormskirk | 2021 |
| Affordable Bathrooms Ltd | Leeds | 2020 |
| Affordable Blinds and Shutters Limited | Weymouth | 2018 |
| Affordable Builders London Ltd | Hounslow | 2026 |
| Affordable Builders Ltd. | Spalding | 2017 |
| Affordable Building Limited | London | 2016 |
| Affordable Building Projects Limited | Liverpool | 2022 |
| Affordable Ceilings Manchester Ltd | Manchester | 2012 |
| Affordable Cleaning and Painting Ltd Limited | Chelmsford | 2025 |
| Affordable Cooling Solutions Ltd | Dukinfield | 2026 |
| Affordable Doors and Windows Ltd | Southampton | 2026 |
| Affordable Drains Ltd | Great Yarmouth | 2024 |
| Affordable Driveway & Patios Ltd | Bolton | 2022 |
| Affordable Driveways & Patios Ltd | Warlingham | 2025 |
| Affordable Energy Limited | Colchester | 2008 |
| Affordable EV Charging Solutions Limited | Brentwood | 2023 |
| Affordable Fascias and Gutter Services Limited | Peterborough | 2019 |
| Affordable Fascias Limited | Peterborough | 2012 |
| Affordable Flames Heating and Plumbing Ltd | Leicester | 2016 |
| Affordable Flooring Limited | Worthing | 2017 |
| Affordable Flooring Shoreham Limited | Shoreham-By-Sea | 2019 |