| Amaeth-I Ltd | Clynderwen | 2022 |
| Amafar Limited | Gravesend | 2016 |
| Amaffiliate Ltd | Birmingham | 2023 |
| Amafhh & Co Ltd | Birmingham | 2018 |
| Amafhh Events Ltd | Watford | 2021 |
| Amafi Limited | Erith | 2026 |
| Amafi Solutions Ltd | Surrey | 2007 |
| Amag Technology Limited | London | 1989 |
| Amag Technology Parent Limited | London | 1989 |
| Amagence Limited | Stevenage | 2019 |
| Amagency Ltd | London | 2026 |
| Amageo Limited | Melksham | 2011 |
| Amageo Media Limited | Trowbridge | 2012 |
| Amagi Research & Investment Limited | London | 2021 |
| Amagufa Solutions Limited | Cambridge | 2015 |
| Amah Property Holdings Ltd | London | 2020 |
| Amahle Ltd | Northampton | 2018 |
| Amahson Consulting Ltd. | West Horndon | 2011 |
| Amai Capital Limited | Manchester | 2024 |
| Amai Consulting Limited | Hornchurch | 2025 |
| Amai K Collective Ltd | Banbury | 2025 |
| Amai Vedanta Limited | Pinner | 2014 |
| Amaia Zubia Ltd | Woodford | 2022 |
| Amaidan Consulting Ltd | Bromley | 2022 |
| Amain Consulting Ltd | Leeds | 2023 |
| Amairgin Ltd | London | 2026 |
| Amaize Development Ltd | Enfield | 2011 |
| Amaj Consultancy Limited | Westcliff-On-Sea | 2025 |
| Amak & Company Limited | London | 2010 |
| Amak Business Solutions Ltd | London | 2025 |
| Amakachi Ltd | London | 2021 |
| Amakhala (Winchester) Limited | Winchester | 2021 |
| Amakhala Limited | North Shields | 2005 |
| Amaki Consultancy Ltd | London | 2026 |
| Amal Consultancy Ltd | Greenford | 2021 |
| Amal Express Services Ltd | Hayes | 2025 |
| Amal Hassan Ltd | London | 2015 |
| Amal M. Rose Solutions Ltd | Sidcup | 2025 |
| Amal Solutions Ltd | Nottingham | 2019 |
| Amal Ventures Limited | London | 2022 |
| Amala Consulting Limited | Hatfield | 2012 |
| Amalco Ltd | Wimborne | 2020 |
| Amalfi Corporate Solutions UK Ltd | Liverpool | 2019 |
| Amalfi Financial Management Limited | London | 2024 |
| Amalfi Luxury Design Ltd | St. Ives | 2021 |
| Amalfi Management Ltd | London | 2022 |
| Amalfi US Opportunities Holding Limited | Sproughton | 2024 |
| Amalfi Yeadon Limited | Leeds | 2016 |
| Amalga Group Limited | West Drayton | 2014 |
| Amalgam Building Consultants Limited | Kent | 2004 |
| Amalgam Group Ltd | London | 2025 |
| Amalgam Holdings Limited | Bristol | 2007 |
| Amalgam Landscape Limited | Nailsea | 2014 |
| Amalgam Ltd | London | 2025 |
| Amalgam Modelmaking Limited | Bristol | 2004 |
| Amalgam Services Limited | London | 2021 |
| Amalgamate - Safety Risk Management Ltd | Glasgow | 2011 |
| Amalgamate Group Ltd | Warrington | 2024 |
| Amalgamated Builders (Holdings) Limited | Leighton Buzzard | 1984 |
| Amalgamated Computer Supplies Ltd | London | 2010 |
| Amalgamated Cotton Mills Limited | Birmingham | 1947 |
| Amalgamated Cybernetics Limited | Monmouth | 2010 |
| Amalgamated Diffusion Ltd | London | 2021 |
| Amalgamated Fish Boxes Limited | Hailsham | 1995 |
| Amalgamated Incorporated Limited | Pinner | 2019 |
| Amalgamated Metal Investment Holdings Limited | London | 1970 |
| Amalgamated Metal Recycling Holdings Limited | London | 2018 |
| Amalgamated Power Engineering Limited | London | 1968 |
| Amalgamated Tobacco Company Limited | Manchester | 1960 |
| Amalgamation Ltd | Hornchurch | 2021 |
| Amali Systems Limited | London | 2024 |
| Amalia Boier Limited | London | 2022 |
| Amalia Consulting Ltd | Wigan | 2026 |
| Amalia's Alterations Ltd | London | 2024 |
| Amaliah Limited | Portsmouth | 2015 |
| Amalida Services Ltd | Leeds | 2015 |
| Amalie O'Neill Ltd | London | 2025 |
| Amalion Ltd | Leeds | 2020 |
| Amalis Consulting Ltd | Harpenden | 2009 |
| Amalito Limited | Bradford | 2025 |
| Amalive Limited | Cambridge | 2023 |
| Amalla Ltd | London | 2011 |
| Amallis Consulting Ltd | London | 2018 |
| Amalo Consulting Ltd | Chichester | 2013 |
| Amalol Limited | Truro | 2024 |
| Amalov International Limited | London | 2022 |
| Amaltaas Limited | London | 2024 |
| Amalthea Holdings Limited | Harrogate | 2011 |
| Amaltheia Capital Limited | London | 2013 |
| Amalyst Limited | Colchester | 2012 |
| Amalytica Limited | London | 2025 |
| Amamsa Management Services Limited | Harrow | 2010 |
| Aman Banger Consultancy Ltd | Birmingham | 2024 |
| Aman Dawu Ltd | Manchester | 2021 |
| Aman Eco-Tech Limited | Ammanford | 2001 |
| Aman Kaur Project Support Limited | Gerrards Cross | 2026 |
| Aman Kuderbux Limited | London | 2016 |
| Aman Lidder Coaching Limited | Nottingham | 2025 |
| Aman Music Ltd | London | 2025 |
| Aman Solicitors Advocates (London) Ltd | London | 2006 |