| AMP Healthcare Limited | Leeds | 2005 |
| AMP Installations Ltd | Bonnyrigg | 2017 |
| AMP on Electrical Services Limited | London | 2018 |
| AMP Photography Ltd | Bexley | 2016 |
| AMP Pilates Ltd | Brighton | 2021 |
| AMP Property Maintenance & Developments Ltd | Glasgow | 2025 |
| AMP Saas Limited | Monmouth | 2021 |
| AMP Your Content Limited | Farnham | 2022 |
| AMP53 Ltd | Essex, Southend On Sea | 2021 |
| Ampa Wellness Services Limited | London | 2026 |
| Ampc (2020) Ltd | Fleetwood | 2019 |
| Ampco 122 Limited | Nottingham | 2016 |
| Amped Cycleworx Limited | Street | 2021 |
| Amped Mobile Phone Charging Limited | Dundee | 2026 |
| Ampeg Limited | London | 2017 |
| Ampego Ltd | Belper | 2020 |
| Ampere Analysis Limited | London | 2014 |
| Ampersand Delta Limited | Drybrook | 2023 |
| Ampersand Global Services Ltd | Cheadle | 2024 |
| Ampersand MK2 Ltd | Oakham | 2026 |
| Ampersand Salons Limited | Stockport | 2018 |
| Amphibian Apparel Limited | Huntingdon | 2019 |
| Amphora Australia Holdings Limited | Weybridge | 2018 |
| Amphora Finance Limited | Weybridge | 2018 |
| Amphora Group Limited | Preston Farm Business Park | 2018 |
| Amphora Intermediate I Limited | Stockton-On-Tees | 2018 |
| Amphora Intermediate II Limited | Weybridge | 2018 |
| Ampiah Kwofi World Outreach UK Limited | London | 2025 |
| Ampika's Hair, Makeup and Beauty Studios Ltd | Altrincham | 2018 |
| Ampla Vella Ltd | Kingussie | 2012 |
| Ample Innovation Ltd | Redditch | 2023 |
| Ample SIM Studios Ltd | Ferndown | 2026 |
| Amplepaint Limited | Knutsford | 1995 |
| Ampleslabs Limited | London | 2021 |
| Amplicon Liveline Limited | Brighton | 1973 |
| Amplifi Events Ltd | Leeds | 2024 |
| Amplifi Foundation Limited | Tunbridge Wells | 2025 |
| Amplifi.Tw Limited | Tunbridge Wells | 2023 |
| Amplified SEO Limited | Maidstone | 2025 |
| Amplified Sound Limited | Newland, | 2015 |
| Amplify Aesthetics Ltd | Stockton On Tees | 2025 |
| Amplify Brands Ltd | London | 2025 |
| Amplify CP Ltd | London | 2025 |
| Amplify Digital Limited | Chigwell | 2024 |
| Amplifyathlete Limited | Norwich | 2025 |
| Amplifying the Unseen CIC | London | 2026 |
| Amplitude Event Solutions Limited | Shipley | 2015 |
| Amplitude Marquees Limited | Bradford | 2016 |
| Amplora Ltd | Bathgate | 2024 |
| Amplyfy Group Ltd | Stockport | 2023 |
| Ampm Pharma Limited | Harrow | 2018 |
| Ampman Audio Services Ltd | Finchley | 2012 |
| Amps N Ohms Limited | London | 2019 |
| Amptec Electrical Ltd | Banbury | 2016 |
| Ampthill & Flitwick Physical Therapy Centre Limited | Bedford | 2021 |
| Ampthill Antique Restoration Limited | Milton Keynes | 2006 |
| Ampthill Nail Limited | Enfield | 2022 |
| Amptrust Professional Members Limited | Eye | 2025 |
| Amqjv Luton Ltd | Northampton | 2020 |
| AMR Abdelhakim Ltd | London | 2025 |
| AMR Development Limited | Coventry | 2023 |
| AMR Diagnostics Limited | London | 2018 |
| AMR Electrical Contractors (NW) Ltd | Preston | 2015 |
| AMR Energy Group Ltd | Preston | 2015 |
| AMR Enterprise Ltd | Blackburn | 2015 |
| AMR Garden Services Limited | Falkirk | 2024 |
| AMR Hair Limited | Edinburgh | 2024 |
| AMR LOG Cabins Limited | Glasgow | 2016 |
| AMR Professional Hairdressing Ltd | Ashington | 2025 |
| AMR Properties Ltd | Solihull | 2014 |
| AMR Services London Limited | London | 2011 |
| AMR Spur Limited | Portsmouth | 2013 |
| AMR Training Associates Ltd | Carluke | 2024 |
| AMR38 Limited | London | 2020 |
| Amrabha Limited | Northwood | 2009 |
| Amrahs UK Private Limited | Harrow | 2022 |
| Amrask Limited | Woodhurst | 2025 |
| Amraz Mohammed Ltd | Leeds | 2018 |
| Amrelia Services Limited | Mildenhall | 2024 |
| Amrezo Limited | Manchester | 2025 |
| Amrie Aesthetics Limited | Tenby | 2023 |
| Amrik Investments Ltd | Ilford | 2022 |
| Amrit Bani Radio Ltd | Smethwick | 2018 |
| Amrit Bani TV Ltd | Smethwick | 2024 |
| Amrit Beauty Saloon Ltd | Thames Ditton | 2026 |
| Amrita Beautycare Ltd | Hounslow | 2022 |
| Amron Rail Services Ltd | Buckingham | 2020 |
| Amrush Investments Ltd | Luton | 2016 |
| AMS & Partners Limited | Loughton | 2021 |
| AMS (Kent) Ltd | Ashford | 2024 |
| AMS Academy Ltd | Hayes | 2024 |
| AMS Aesthetics and Beauty Ltd | Hinckley | 2024 |
| AMS Art Advisory Ltd | London | 2015 |
| AMS Drain Services Ltd | St Werburghs | 2000 |
| AMS Events (Yorkshire) Limited | Leeds | 2013 |
| AMS Hair & Makeup Limited | Egham | 2020 |
| AMS Laundry Services Ltd | Blackburn | 2020 |
| AMS Malik Ltd | Bradford | 2020 |
| AMS Media Limited | Enfield | 2019 |
| AMS Medical Holdings Limited | Manchester | 2017 |