| ANI Attfield Studio London Limited | London | 2023 |
| Aniekpeno Fashion Limited | Liverpool | 2022 |
| Anika Sterilis UK Limited | Surbiton | 2023 |
| Anike Lifestyle Ltd | London | 2025 |
| Anike Trends Ltd | London | 2025 |
| Anikin Aviation Limited | Bridgend | 2019 |
| Anikin Ltd | London | 2019 |
| Anila Air Service Holdings Ltd. | Godalming | 2018 |
| Anilox Supplies Limited | Oldham | 2004 |
| ANIM8DESIGN Ltd | Llandysul | 2006 |
| Anima-Kore Ltd | London | 2025 |
| Animagusto Ltd | London | 2023 |
| Animal Adventure Pods Limited | Bacup | 2021 |
| Animal Ambition Ltd | Hemel Hempstead | 2019 |
| Animal Body London Ltd | Hartfield | 2023 |
| Animal Levers Ltd | London | 2019 |
| Animal Nutrition & Health (UK) Limited | Heanor | 2024 |
| Animal Nutritionals Ltd | Windsor | 2020 |
| Animal Spirits Ltd | London | 2018 |
| Animal Technology Limited | Driffield | 2025 |
| Animal Tent and Food International Limited | Luton | 2025 |
| Animal Transit Boxes Limited | Shrewsbury | 2014 |
| Animalia C.I.C. | Glasgow | 2019 |
| Animaro Limited | Hungerford | 2016 |
| Animashaun Printing Concept Limited | Southend-On-Sea | 2022 |
| Animate Design Limited | Evesham | 2005 |
| Animated Design Limited | Hoddesdon | 2016 |
| Animation Supplies Ltd | Worthing | 2010 |
| Animato Studio Limited | Tonbridge | 2021 |
| Animatronic Animals Limited | Pinner | 2011 |
| Animax Limited | Carlisle | 1981 |
| Anime VR Ltd | London | 2017 |
| Animonics Ltd | London | 2025 |
| Anina Cleaning Class Ltd | Burton-On-Trent | 2026 |
| Anirann Ltd | Sheffield | 2022 |
| Anirawuk Ltd | Edmonton, London | 2023 |
| Anis's Ltd | Walsall | 2016 |
| Anisan Fashion UK Limited | Borehamwood | 2016 |
| Anisence Ltd | Beeston | 2024 |
| Aniston Trading Ltd | Glasgow | 2015 |
| Anita Gelato London Ltd | London | 2021 |
| Anita Harris Art Pottery Limited | Stoke On Trent | 2012 |
| Anita Massarella Design Limited | York | 2003 |
| Anitabel Ltd | Northwood | 2021 |
| Anivize Ltd | Newport | 2024 |
| Aniy Ltd | Derby | 2025 |
| Ani’S Cakes Ltd | Wembley | 2026 |
| Ani’S Tech Repairs Ltd | Maidstone | 2025 |
| ANJ Afters Ltd | Didcot | 2025 |
| ANJ Trading Limited | Harpenden | 2003 |
| Anja Potze Fine Jewellery Limited | Worcester | 2008 |
| Anjana Bhog Limited | Hayes | 2013 |
| Anjana Bhog Savouries Ltd | Harrow | 2024 |
| Anjana Bhog Sweets Ltd | Hayes | 2023 |
| ANJAS5 Limited | Romford | 2020 |
| Anjbakescakes Ltd | Horndean | 2024 |
| Anjh Ltd | Warrington | 2025 |
| Anji (UK) Solar Pumps Ltd | Luton | 2021 |
| Anjianchen E-Commerce Co. Ltd | London | 2025 |
| Anjoy Kids Ltd | London | 2024 |
| Anju Sweets Limited | Wolverhampton | 2025 |
| Anjum Trading Limited | Wallington | 2015 |
| Anjuna Lounge Ltd | Birmingham | 2019 |
| ANK Manufacturing Ltd | Meridian Business Park | 2018 |
| Anka MCR Ltd | Manchester | 2023 |
| Anka Metal Coatings Limited | Corsham | 2008 |
| Ankara by Akin Limited | Kington | 2026 |
| Ankarasmith Creations Ltd | Cambridge | 2025 |
| Ankarol Atelier Ltd | Brentwood | 2026 |
| Anke Interiors Ltd | Runcorn | 2026 |
| Anker Solix Technology (UK) Ltd | Hertfordshire | 2024 |
| Anker Stuy Coatings UK Limited | Peterborough | 2019 |
| Ankerdbrew Ltd | Mold | 2022 |
| Ankerdine Machinery Limited | Worcester | 2023 |
| Ankerwycke Candles Ltd | Staines-Upon-Thames | 2020 |
| Ankh Corporation Ltd | London | 2021 |
| Ankh Global Ltd | London | 2026 |
| Ankh-Topia Ltd | Greenhithe | 2022 |
| Ankha Global Ltd | London | 2022 |
| Ankobra Ltd | London | 2019 |
| Ankor Cornwall Limited | Penzance | 2018 |
| Ankur Precision Engineering Ltd | Uxbridge | 1998 |
| ANL Inspection Services Limited | Bathgate | 2017 |
| Anlan London Limited | Stafford | 2021 |
| Anlev (UK) Limited | Basildon | 2020 |
| ANM Caravan Services Ltd | West Kilbride | 2023 |
| ANM Efficient Solutions Limited | London | 2022 |
| ANM Electronics Limited | Mountain Ash | 2016 |
| ANM Inspection Limited | Campbeltown | 2022 |
| ANM Opto Limited | Mountain Ash | 2010 |
| Anmac Ltd | Borehamwood | 2006 |
| Anmar Pharmaceutical and Food Services Ltd | Poole | 2025 |
| Anmol Fashion Dresses Ltd | London | 2023 |
| Anmol Suite Ltd | Leicester | 2024 |
| Anmol Sweet Centre (Oadby) Ltd | Leicester | 2024 |
| Anmol Sweet Centre Limited | Leicester | 2013 |
| Anmz Ltd | London | 2026 |
| ANN Louise Butler Limited | Pinner | 2018 |
| ANN Mulqueeney Limited | Merseyside | 2003 |
| ANN Street Garage Limited | Gateshead | 2004 |