| Anglo Pacific Shipping Limited | London | 1982 |
| Anglo Products Ltd | Watford | 2018 |
| Anglo Secretaries Limited | Tiverton | 1991 |
| Anglo Services Limited | Watford | 2018 |
| Anglo Supplies Ltd | Watford | 2018 |
| Anglo Swiss Limited | Addlestone | 1999 |
| Anglo TN Limited | London | 2013 |
| Anglo-American Asset Management Limited | Reading | 1978 |
| Anglo-American Property Corporation Limited | Potters Bar | 1988 |
| Anglo-Chinese Exchange Ltd | Wolverhampton | 2007 |
| Anglo-Irish (Insurance & Bloodstock) Agency Limited | Salisbury | 1987 |
| Anglo-Swedish Engineering & Welding Limited | London | 1912 |
| Angloafro Limited | Watford | 2018 |
| Anglobras Limited | Nuneaton | 2012 |
| Anglogold Limited | London | 2004 |
| Anglohawk Limited | London | 1982 |
| Anglohouse Management Limited | Tavistock Square | 1997 |
| Angloplas Limited | Colchester | 1983 |
| Angloscene Limited | London | 1996 |
| Anglozuelan Ltd | London | 2025 |
| Angus Berries Limited | Arbroath | 2026 |
| Angus Holdings Ltd | Sheffield | 2021 |
| Angus Macdonald Ltd | Bristol | 2016 |
| Angélique Eloise Celine Limited | Romford | 2024 |
| Anhui Bring Import and Export Trading Co., Ltd | Beckenham | 2018 |
| Anhui Natural Home Textile Corp. Ltd. | Beckenham | 2019 |
| Anhui Witop Biotech Co., Ltd | Ruislip | 2021 |
| Anhul Management Limited | Holmfirth | 2010 |
| Ani-Care Limited | Grantham | 2011 |
| Ania Sagajllo Ltd | High Wycombe | 2022 |
| Aniafit Limited | Walton-On-Thames | 2024 |
| Anicore Limited | Cirencester | 2014 |
| Aniela Grace Sagajllo-Batterberry Ltd | London | 2022 |
| Anike Shola Ltd | London | 2020 |
| Aniko Csiszer Ltd | Dagenham | 2024 |
| Anima Nova Ltd | Manchester | 2021 |
| Animade Ltd | Thame | 2015 |
| Animal Adventures Limited | Cranbrook | 2011 |
| Animal Alliance Asia Ltd | London | 2019 |
| Animal Care Clinic Limited | Nottingham | 2003 |
| Animal Disposal & Salvage Limited | Liverpool | 2011 |
| Animal Fibres (Europe) Limited | Bradford | 1975 |
| Animal Freedom Worldwide Ltd | London | 2022 |
| Animal Health & Hygiene Limited | Northampton | 2021 |
| Animal House Vets Limited | Bristol | 2018 |
| Animal Lifeaid | Bury | 2017 |
| Animal Limited | Berkshire | 1987 |
| Animal Sojourn Limited | Moreton-In-Marsh | 2022 |
| Animal Tracker Limited | York | 2008 |
| Animall Ltd | Brentwood | 2002 |
| Animalsports Limited | Berkshire | 1994 |
| Animat Invest Corporation Ltd | London | 2025 |
| Animated Artists Limited | Bournemouth | 2005 |
| Animex International Limited | Harrogate | 2015 |
| Animo Glass Limited | Montgomery | 2018 |
| Animo Performance Limited | Maidenhead | 2015 |
| Animo Sentas Ltd | Machester | 2025 |
| Animocean Ltd | London | 2024 |
| Animograf Ltd | Bristol | 2022 |
| Animsi Ltd | Manchester | 2023 |
| Anipay Ltd | Grimsby | 2012 |
| Anisha & Amrita Investments Limited | Dudley | 2013 |
| Anita Benge Accountancy Services Limited | Bury St. Edmunds | 2009 |
| Anita Jane Winwood Ltd | Oldbury | 2022 |
| Anita Shah Limited | Birmingham | 2013 |
| Anitas Active Paws Ltd | Shottenden | 2022 |
| Anitco Limited | London | 2001 |
| Anivet Direct.Com Ltd | Whitchurch | 2009 |
| Aniwell Ltd | Bristol | 2010 |
| Aniwell Veterinary Clinic Ltd | Bristol | 2010 |
| Aniwell Veterinary Company Limited | Bristol | 2004 |
| Anjalo Ltd | London | 2025 |
| Anji CBL INT Co., Ltd | Kenilworth | 2014 |
| Anji Hong Young Technology Co., Ltd | Beckenham | 2022 |
| Anji Jiexing Home Supplies Co., Ltd. | Beckenham | 2019 |
| Anji Junbang Furniture Co., Ltd | Beckenham | 2022 |
| Anji QC Bamboo Products Co., Ltd | London | 2015 |
| Anji Yuandong Pigment Co., Ltd. | Beckenham | 2014 |
| Anjok 172 Limited | York | 1976 |
| Anjok 269 Limited | Glasgow | 1993 |
| Anjok 28 Limited | York | 1965 |
| Anjok 31 Limited | York | 1938 |
| Anjok Investments Limited | York | 2015 |
| Anjok Two Limited | York | 1973 |
| Anjria Ltd | London | 2008 |
| Anjs Butik Invest Limited | London | 2021 |
| ANK Holding Norway Limited | London | 2025 |
| Anka Yachting Ltd | London | 2024 |
| Anke Technology Ltd | Stafford, | 2016 |
| Ankeho Ltd | London | 2018 |
| Anker International P L C | Newport Pagnell | 1978 |
| Anker Limited | Reading | 2004 |
| Anker of Coates (Ellington) Limited | Norwich | 2013 |
| Anker of Coates Limited | Norwich | 2013 |
| Ankiri Limited | Wembley | 2003 |
| Ankle Hill Management Company Limited | Melton Mowbray | 2017 |
| Ankyra Bookkeeping Services Ltd | London | 2019 |
| Anlaby Park 1962 Limited | Hull | 2015 |
| Anlaby Road Management Limited | Chesterfield | 2016 |
| Anle Styling Ltd | London | 2021 |