| Amblestowe Properties Limited | Billingshurst | 2020 |
| Ambo Holdings Ltd | Downpatrick | 2021 |
| Ambon Brokers Limited | London | 1998 |
| Ambon Holdings Limited | Romford | 2026 |
| Ambos Holdings Ltd | Billericay | 2024 |
| Amboseli Wealth Management Ltd | Camborne | 2010 |
| Ambra Development Group Ltd | London | 2022 |
| Ambra Holdings PTE Ltd | High Wycombe | 2024 |
| Ambrad Holdings Ltd | Bristol | 2025 |
| Ambrey Global Specialty Limited | Hereford | 2024 |
| Ambridge Europe Limited | London | 2006 |
| Ambridge European Holdings Limited | London | 2018 |
| Ambrite Lift Holdings Limited | London | 2015 |
| Ambro Capital Limited | Hertfordshire | 2006 |
| Ambro Finance Limited | Taunton | 2012 |
| Ambrose Trustees Limited | Rugby | 2008 |
| Ambrose UTG Limited | London | 1997 |
| Ambrosi (UK) Limited | Redhill | 2018 |
| Ambrosia Capital Investments Limited | London | 2020 |
| Ambrosini Construction Group Ltd | Wells | 1999 |
| Ambs Capital Limited | Glasgow | 2024 |
| Ambscar Holdings Ltd | Oldham | 2024 |
| Ambulnz UK Ltd. | Stratford | 2018 |
| Ambur Capital Ltd | Stratford Upon Avon | 2022 |
| Ambuscade Investments Limited | London | 2022 |
| AMC (London) Limited | Middlesex | 2006 |
| AMC 99 Limited | Birmingham | 2020 |
| AMC Castle Ranch Estates Limited | Glasgow | 2023 |
| AMC CV Limited | Glasgow | 2020 |
| AMC Fresh Juices Investments (UK) Ltd | Peterborough | 2018 |
| AMC Group Enterprises Ltd | Hove | 2020 |
| AMC Holdings Group Limited | Glasgow | 2023 |
| AMC Investment Holdings UK Limited | London | 2025 |
| AMC IT Group Limited | Nottingham | 2020 |
| AMC Legacy Holdings Ltd | Ballygawley | 2019 |
| AMC Mortgage Solutions Ltd | London | 2018 |
| AMC Performance Materials Limited | London | 2024 |
| AMC Private Equity Limited | London | 2025 |
| AMC Resource Holdings Limited | London | 2025 |
| AMC SPV 1 Limited | London | 2025 |
| AMC UK Holding Limited | London | 2019 |
| Amcb Investments | Robertsbridge | 2015 |
| Amcg Financial Limited | Newry | 2022 |
| Amcgfh Holdco Ltd | London | 2023 |
| Amch Holdings Limited | Knowsley | 2023 |
| Amchaluka Limited | Guildford | 2022 |
| Amci Ridley Holdings Ltd | Reading | 2019 |
| Amck Group Ltd | Huddersfield | 2026 |
| Amck Investments Limited | Belfast | 2021 |
| Amcl Advisors Ltd | London | 2014 |
| Amcl Investments Limited | Southampton | 2025 |
| Amcl MC Limited | Darlington | 2018 |
| Amcm Holdings Limited | Glasgow | 2025 |
| Amco Syndicates Ltd | Manchester | 2019 |
| Amcomri Group PLC | London | 2022 |
| Amcor Flexibles Latin America Holding Limited | Bristol | 2021 |
| Amcor Holding 2023 UK Trustee Company Limited | Bristol | 2023 |
| Amcor International UK PLC | Bristol | 2025 |
| Amcows One | Edinburgh | 1991 |
| Amcpd Ltd | Magherafelt | 2024 |
| AMD (London) Holdings Limited | Surbiton | 2024 |
| AMD Development Holdings Limited | Dundee | 2017 |
| AMD Finance Ltd | Towcester | 2021 |
| AMD Financial Advice Ltd | London | 2017 |
| AMD Group Holdings Limited | Dartford | 2019 |
| AMD Hold Co Ltd | Omagh | 2021 |
| AMD Investment Holdings Limited | Surbiton | 2024 |
| AMD Investments Holdings Ltd | Edgware | 2026 |
| AMD UK Group Limited | Borehamwood | 2025 |
| Amdar Capital Advisors Limited | Wrotham Heath | 2024 |
| AMDAR2 Limited | Whitstable | 2024 |
| Amdc Admin Ltd | Edinburgh | 2025 |
| Amdco Ltd | Gloucester | 2019 |
| Amdeepcha Investments Limited | Blofield | 2015 |
| Amdg Bvmh Limited | London | 2025 |
| Amdine Ltd | Scarborough | 2013 |
| Amdn Food Group Limited | Ormskirk | 2024 |
| Amdn Holdings Ltd | Magherafelt | 2022 |
| Amdon Holdings Limited | Oxted | 2016 |
| Amdv Investments Limited | Gloucester | 2017 |
| Amdx Investments Limited | Manchester | 2026 |
| AME 2023 Ltd | Troon | 2023 |
| AME Finance Limited | Edinburgh | 2025 |
| Amec Bravo Limited | Knutsford | 2007 |
| Amec Foster Wheeler (Holdings) Limited | Knutsford | 1920 |
| Amec Foster Wheeler Finance Asia Limited | Knutsford | 2007 |
| Amec Foster Wheeler Limited | Knutsford | 1982 |
| Amec International Ltd | London | 2021 |
| Amec Investments Europe Limited | Knutsford | 1999 |
| Amec Trustees Limited | Cheshire | 1993 |
| Amechia Holdings Ltd | Barnet | 2020 |
| Amedia Financial Services Ltd | London | 2016 |
| Amedia Wealth Ltd | London | 2018 |
| Amedica Group Holdings Ltd | Southampton | 2024 |
| Amee Holdings Ltd | Wembley | 2021 |
| Ameen Exchange Limited | Cardiff | 2026 |
| Ameen Holdings Ltd | London | 2026 |
| Ameer ALI and Brothers Construction Limited | London | 2026 |
| Ameer Holdings Ltd | Pontefract | 2024 |
| Ameise Holding Company Limited | Cambridge | 2024 |