| Anima Balabio Ltd | Crawley | 2023 |
| Anima People Ltd | London | 2015 |
| Anima Pilates Limited | Linlithgow | 2026 |
| Anima Pura Beauty Ltd | Southend-On-Sea | 2021 |
| Anima Pura Facials Ltd | Essex, Southend On Sea | 2022 |
| Anima Pura Hair Ltd | Southend-On-Sea | 2021 |
| Anima Pura Tanning Ltd | Essex, Southend On Sea | 2022 |
| Animaforte Limited | Northwood | 2025 |
| Animal Abuse Injustice & Defence Society | Tonbridge | 1984 |
| Animal Adoption International Ltd | London | 2022 |
| Animal AID Charitable Trust | Tonbridge | 2012 |
| Animal AID Festival Limited | Brentwood | 2022 |
| Animal Alliance Rescue and Rehoming CIC | Boston | 2024 |
| Animal Angels Global | Bexhill-On-Sea | 2009 |
| Animal Angels Inverclyde Ltd. | Port Glasgow | 2006 |
| Animal ARK Ltd | Crawley | 2021 |
| Animal ARK Pet Care Limited | Charvil | 2014 |
| Animal Aunts Limited | Haslemere | 2006 |
| Animal Basics Ltd | Chessington | 2026 |
| Animal Behaviour Clinic Ltd | Dalry | 2023 |
| Animal Behaviour Consult Ltd | Fleet | 2015 |
| Animal Care Services Midlands Limited | Nottingham | 2022 |
| Animal Communication Retreats Limited | London | 2018 |
| Animal Concern Ltd. | Glasgow | 1988 |
| Animal Country Club Limited | St. Ives | 2017 |
| Animal Crossing Music Limited | Manchester | 2018 |
| Animal Excellence Limited | Manchester | 2019 |
| Animal Focused Alliance Ltd | Northampton | 2025 |
| Animal Health Consultancy Limited | Billingshurst | 2016 |
| Animal Health Distributors Association (United Kingdom) Limited(The) | Grantham | 1985 |
| Animal Heaven Ltd | Scunthorpe | 2026 |
| Animal Interfaith Alliance Ltd | Ivybridge | 2014 |
| Animal Kind Dog Training Ltd | Solihull | 2017 |
| Animal Life Limited | Portsmouth | 2022 |
| Animal Lodge Limited | Blackburn | 2023 |
| Animal Magic Dog Grooming Ltd | Bradford | 2022 |
| Animal Magic Family Ltd | Keighley | 2019 |
| Animal Magic Ltd | Polegate | 2024 |
| Animal Outfitters UK Ltd | Southport | 2021 |
| Animal Performance Ltd | Carmarthen | 2017 |
| Animal Prosperity Ltd | London | 2018 |
| Animal Rescue Limited | Bishops Stortford | 1995 |
| Animal Supplements Direct Limited | London | 2014 |
| Animal Think Tank Community Interest Company | Lancaster | 2019 |
| Animal Thoughts Limited | London | 2010 |
| Animal Trainer's Workshops Ltd | Aldershot | 2025 |
| Animal Trax Academy Ltd | Cleckheaton | 2016 |
| Animal Trax Agriculture Ltd | Cleckheaton | 2016 |
| Animal Trax Aviation Ltd | Cleckheaton | 2016 |
| Animal Trax Corporate Services Ltd | Cleckheaton | 2016 |
| Animal Trax Financial Services Ltd | Cleckheaton | 2016 |
| Animal Trax International Holdings Ltd | Cleckheaton | 2016 |
| Animal Trax International Ltd | Cleckheaton | 2016 |
| Animal Trax Leisure Ltd | Cleckheaton | 2016 |
| Animal Trax Natural Resources Ltd | Cleckheaton | 2016 |
| Animal Trax Oceanic Ltd | Cleckheaton | 2016 |
| Animal Trax Retail & Mail Order Ltd | Cleckheaton | 2016 |
| Animal Trax Safari Park + Rescue Centre Ltd | Cleckheaton | 2016 |
| Animal Trax Ventures Ltd | Cleckheaton | 2016 |
| Animal Wardens Ltd | Bolton | 1995 |
| Animal Welfare Investigation Team C.I.C. | Tipton | 2025 |
| Animal Welfare Japan | London | 1965 |
| Animal Wellbeing Centre Ltd | London | 2017 |
| Animal World Scot Ltd | Glasgow | 2025 |
| Animalia Sport and Fitness Ltd | Motherwell | 2016 |
| Animals Asia Foundation | Poole | 2001 |
| Animals at Home (Bournemouth & New Forest) Ltd | Christchurch | 2012 |
| Animals at Home (Croydon) Ltd | Croydon | 2011 |
| Animals at Home (East Sussex) Ltd | Eastbourne | 2012 |
| Animals at Home (Essex Central) Ltd | Purfleet | 2011 |
| Animals at Home (North Notts) Ltd | Nottingham | 2013 |
| Animals at Home (NW Kent) Ltd | Kent | 2005 |
| Animals at Home (Oxford) Ltd | Oxford | 2015 |
| Animals at Home (Perth & Kinross) Ltd | Brechin | 2016 |
| Animals at Home (Sheffield) Ltd | Sheffield | 2010 |
| Animals at Home (Tunbridge Wells &Sevenoaks) Ltd | Sevenoaks | 2013 |
| Animals at Home Meon Ltd | Hayling Island | 2010 |
| Animals Supporting People at Fred C.I.C. | Dumfries | 2017 |
| Animated Women (UK) Limited | Stanmore | 2016 |
| Animation Events Limited | Epsom | 2016 |
| Animico Ltd | London | 2025 |
| Animora Health Ltd | Romsey | 2026 |
| Animora Ltd | Egham | 2025 |
| Animus Associates Trustee Limited | Woodford Green | 2023 |
| Aninng Group Ltd | Barking | 2026 |
| Anious Ltd | London | 2025 |
| Aniqa Beauty Studio Ltd | Luton | 2026 |
| Anir Ltd | London | 2018 |
| Anirod Ltd | Chigwell | 2023 |
| Anis Kamran Ltd | London | 2025 |
| Anisa Sojka Ltd | London | 2022 |
| Aniserco Limited | London | 2024 |
| Anisha Beauty Co. Limited | Greenhithe | 2026 |
| Anisha Skincare Limited | Lymm | 2019 |
| Anisha.Chauhan Limited | Loughborough | 2026 |
| Anishtan Limited | London | 2020 |
| Anisia Hair and Beauty Limited | Derby | 2017 |
| Anissa Limited | London | 2021 |
| Anisse Trading Limited | London | 2020 |
| Anistyle.London Ltd | London | 2025 |