| Anatek Associates Limited | Malvern | 2011 |
| Anatello Limited | Bracknell | 1994 |
| Anathallo Limited | New Malden | 2022 |
| Anatidae Capital Limited | Banbury | 2017 |
| Anatina Consulting Limited | Harrow | 2005 |
| Anatira Group Ltd | London | 2021 |
| Anatole Design Limited | Beckenham | 2012 |
| Anatolia Accountancy Ltd | London | 2025 |
| Anatolian Investment Limited | London | 2023 |
| Anatom Ltd | London | 2022 |
| Anatomi Ltd | London | 2018 |
| Anatomise Biostats Ltd. | London | 2020 |
| Anatomise Limited | London | 2008 |
| Anatomised Limited | Islington | 2014 |
| Anatomy Brands Ltd | London | 2016 |
| Anatomy HCD Limited | Hove | 2012 |
| Anatomy of a Hotel Ltd | Sevenoaks | 2025 |
| Anatopath Limited | Saxmundham | 2016 |
| Anatre Limited | Leeds | 2020 |
| Anatree Group Logistics Ltd. | Leeds | 2019 |
| Anatta Ltd | Sandwich | 2019 |
| Anav Global Limited | Wembley | 2022 |
| Anava Deep Tech Ventures Ltd | Haverhill | 2024 |
| Anava Group Consultancy Ltd | Coventry | 2025 |
| Anava Group Consultants Limited | Coventry | 2025 |
| Anava Management Limited | London | 2018 |
| Anavadya Limited | Brentford | 2022 |
| Anavah Technology Ltd | Ruislip, | 2021 |
| Anavasis Financial Advisory Limited | London | 2020 |
| Anavatis Consulting Limited | Reading | 2014 |
| Anavio Consulting Limited | Chesterfield | 2011 |
| Anavo Attorneys Limited | Waterlooville | 2024 |
| Anavon Holdings Limited | London | 2006 |
| Anavon Limited | London | 1997 |
| Anavrin Accountants Ltd | Birmingham | 2021 |
| Anavrin Limited | Maidenhead | 2004 |
| Anawalt Advertising Ltd | Cardiff | 2024 |
| Anawilk Interiors Limited | Wigan | 2023 |
| Anax Consultancy Services Limited | Halesowen | 2021 |
| Anax Consulting Limited | London | 2011 |
| Anax Engineering Ltd | London | 2021 |
| Anax Law Ltd | Oldham | 2026 |
| Anax Technologies Limited | Leicester | 2013 |
| Anaxas Business Services Ltd. | North Yorkshire | 2003 |
| Anaxes Ltd | Poole | 2021 |
| Anaximander Group Ltd | London | 2026 |
| Anaxxim Ltd | Cheltenham | 2025 |
| Anay Consultancy Ltd | Pinner | 2020 |
| Anaya Advisory Ltd | Rickmansworth | 2026 |
| Anaya Ventures Limited | Pinner | 2014 |
| Anazao | Woking | 2009 |
| Anazeteo Limited | London | 2021 |
| Anazo Ltd | Tunbridge Wells | 2025 |
| Anaïs Rosswag Vásquez Limited | Fareham | 2025 |
| ANB Business Solutions Limited | Sidcup | 2024 |
| ANB Consultants (Devon) Ltd | Totnes | 2026 |
| ANB Consulting Limited | Coulsdon | 2009 |
| ANB Group Limited | Gloucester | 2023 |
| ANB Law Solicitors Ltd | Peterborough | 2017 |
| ANB Mining Ltd. | Stafford | 2014 |
| ANB NDT Limited | Kington | 2021 |
| ANB Safety Ltd | Towcester | 2012 |
| ANB Seen Ltd | Aberdeen | 2021 |
| ANB Sensors Ltd | Cambridge | 2015 |
| ANB Solutions Ltd | Ingatestone | 2011 |
| Anba Group Ltd | London | 2019 |
| Anbadaddy Management Limited | Wickford | 2022 |
| Anbai Architects Limited | London | 2026 |
| Anbb Limited | Manchester | 2024 |
| Anbc Global Procurement UK Limited | Oldham | 2022 |
| Anbeo Consulting Limited | Glasgow | 2025 |
| Anbeol Consulting Limited | London | 2023 |
| Anber Edit Media Ltd | Manchester | 2026 |
| Anbjoern Aadland Ltd | Pencoed, Bridgend | 2005 |
| Anbookkeeping Service Ltd | Northampton | 2021 |
| Anbridge Consulting Limited | Dorking | 2015 |
| Anbro Solutions Limited | Gosforth | 2010 |
| Anbrox Ltd | Belfast | 2024 |
| Anbucomay Design Limited | Northwich | 2025 |
| ANC Accountancy Ltd | London | 2020 |
| ANC Accountants Limited | Wembley | 2013 |
| ANC Admin Solutions Ltd | London | 2022 |
| ANC Advisory Ltd | St. Albans | 2022 |
| ANC Engineering Services Ltd. | Aberdeenshire | 2007 |
| ANC Global Ltd | Waterlooville | 2020 |
| ANC Group Holdings Ltd | Llandysul | 2026 |
| ANC Holding Ltd | Derby | 2024 |
| ANC Premium Services Limited | Uxbridge | 2017 |
| ANC Projects Limited | Shrewsbury | 2017 |
| ANC Recruitment Ltd | Watford | 2024 |
| Anca Business Consultancy Ltd | Sheffield | 2019 |
| Anca Consultants Ltd | Sheffield | 2016 |
| Anca Limited | Goole | 2021 |
| Anca Point Ltd | London | 2026 |
| Ancaeo Holdings Ltd | Armagh | 2026 |
| Ancah Ltd | London | 2024 |
| Ancapark Limited | London | 1987 |
| Ancape Ltd | London | 2025 |
| Ancarite Limited | Market Harborough | 2020 |
| Ancarva Limited | Church Crookham | 2010 |