| A&G Pet Holdings Ltd | Chatteris | 2025 |
| A&H Holdings @ Ltd | Birmingham | 2025 |
| A&H Holdings Limited | Boughton | 2023 |
| A&H Legacy Group Ltd | London | 2026 |
| A&H Property Portfolio Ltd | Walsall | 2019 |
| A&H Solutions Ltd | Dagenham | 2023 |
| A&H2 Holdings Ltd | Rochdale | 2024 |
| A&Hb Consulting Ltd | Woking | 2014 |
| A&I Mortgages Limited | Walton-On-Thames | 2024 |
| A&I Property Topco Limited | Liverpool | 2025 |
| A&I Security Services Limited | Pudsey | 2025 |
| A&Ic Holdings Ltd | Accrington | 2024 |
| A&J Dental Holdings Ltd | Borehamwood | 2025 |
| A&J Financial Services Ltd | Leamington Spa | 2022 |
| A&J Harrison Ltd | Fareham | 2026 |
| A&J Lowe Holdings Ltd | Stevenage | 2025 |
| A&J Mcevoy Limited | Bradford | 2020 |
| A&J Richardson Holdings Limited | Chesterfield | 2026 |
| A&K Corp. Limited | Cheltenham | 2019 |
| A&K Corporation Ltd | Mexborough | 2025 |
| A&K DPD Limited | Cheltenham | 2025 |
| A&K Finance Limited | Cheltenham | 2022 |
| A&K Herd Ltd | Carlisle | 2017 |
| A&K Holdings (NW) Ltd | Preston | 2018 |
| A&K International Holdings Limited | Cheltenham | 2022 |
| A&K UK Holdings Ltd | Liverpool | 2026 |
| A&K Venture Capital Ltd | Barking | 2023 |
| A&L Capital & Invest Ltd | London | 2022 |
| A&L Financial Solutions Ltd | Hull | 2015 |
| A&L Mahmutaj(Holdings) Limited | Luton | 2025 |
| A&L Ventures Limited | Wigan | 2020 |
| A&L Wallace Healthcare Limited | Belfast | 2022 |
| A&Lf Holdings Limited | Harrogate | 2023 |
| A&M Auto Holdings Ltd | Manchester | 2024 |
| A&M Best Ltd | Birmingham | 2024 |
| A&M Blackshaw Holdings Limited | Manchester | 2026 |
| A&M Capital Advisors Europe Holdings Limited | London | 2019 |
| A&M Capital Europe II Limited | London | 2025 |
| A&M Electricals Holdings Ltd | London | 2025 |
| A&M Energy Group Finance Limited | Altrincham | 2024 |
| A&M Energy Group Holdings Limited | Altrincham | 2024 |
| A&M Establishment Ltd | Birmingham | 2024 |
| A&M Glaziers Holding Ltd | St. Leonards-On-Sea | 2021 |
| A&M Media Holdings Limited | Manchester | 2023 |
| A&M Pharmacy Ltd | South Shields | 2019 |
| A&M Professional Solutions Ltd | Leeds | 2023 |
| A&M Timeless Ltd | Egham | 2021 |
| A&N Incorporated Limited | Romford | 2024 |
| A&N Jain Holdings Ltd | Stanmore | 2023 |
| A&N Raske Limited | Leicester | 2025 |
| A&N Teeside Ltd | Darlington | 2025 |
| A&N UK Holding Ltd | London | 2024 |
| A&O Holdings (London) Limited | London | 2020 |
| A&O IT Group PLC | Bracknell | 2017 |
| A&O Portfolio Ltd | Chippenham | 2021 |
| A&P Edin Holdings Limited | Edinburgh | 2026 |
| A&P Fire Solutions Ltd | Bridgend | 2026 |
| A&P Gardiner Holdings Limited | Stockton-On-Tees | 2021 |
| A&P Knowhow Limited | Preston | 2025 |
| A&Pw Holdings Ltd | Stamford | 2022 |
| A&Q Holdco Ltd | Edgbaston | 2025 |
| A&Q Holding Ltd | Telford | 2025 |
| A&R Briller Limited | Wickham | 2025 |
| A&R Capital Holdings Limited | Bristol | 2025 |
| A&R Equity Holdings Ltd | Birmingham | 2025 |
| A&R Global Holdings Ltd | Luton | 2025 |
| A&R Hold Co Ltd | London | 2024 |
| A&R LCD Limited | Bristol | 2021 |
| A&R Legacy Group Ltd | Swindon | 2026 |
| A&S Booth Holdings Limited | Clacton-On-Sea | 2025 |
| A&S Elite Group Ltd | London | 2025 |
| A&S Enterprise Holdings Ltd | Wolverhampton | 2026 |
| A&S Finance Ltd | Romford | 2023 |
| A&S Financial Services Ltd | Surrey | 2013 |
| A&S Group Holdings Limited | Buckley | 2022 |
| A&S Holdings (Huddersfield) Limited | Huddersfield | 2021 |
| A&S Holdings Burton Limited | Burton On Trent | 2017 |
| A&S Holdings Group Ltd | London | 2025 |
| A&S Holdings Leeds Ltd | Leeds | 2025 |
| A&S Investment Solutions Ltd | London | 2025 |
| A&S Luck Ltd | Eastwood | 2024 |
| A&S Pharma Holdings Ltd | Luton | 2022 |
| A&S Resources Limited | Scarborough | 2015 |
| A&S Services (Cheltenham) Limited | Cheltenham | 2014 |
| A&S Shield Advisors Ltd | London | 2025 |
| A&S Venture Holdings Ltd | Middlesbrough | 2025 |
| A&Sm Holdings Ltd | Crewe | 2018 |
| A&T 2006 Ltd | London | 2024 |
| A&T EC1 Ltd | Borehamwood | 2021 |
| A&T Global Ltd | London | 2016 |
| A&T Trades Ltd | Torquay | 2025 |
| A&U Holdings Ltd | Market Harborough | 2013 |
| A&V Holdings Ltd | Northwood | 2017 |
| A&V Property Consultants Limited | Bromley | 2024 |
| A&Y Holdings Ltd | Bath | 2022 |
| A&Y Investment Holdings Limited | Pinner | 2024 |
| A&Y Projects Limited | London | 2019 |
| A&Z Investco Ltd | Dewsbury | 2024 |
| A&Z Itani Holdings Ltd | Pontypool | 2021 |
| A'Lake Holdings Limited | London | 2023 |