| ANN Williams (Embroidery) Limited | Pinner | 1964 |
| Ann's Cars Ltd | London | 2019 |
| Anna Asher Products UK Ltd | London | 2025 |
| Anna Cake Couture Ltd | Bristol | 2014 |
| Anna Calvert Jewellery Limited | Desborough | 2020 |
| Anna Clare Bespoke Ltd | Bedford | 2025 |
| Anna Couture Alterations Ltd | Stamford | 2026 |
| Anna Edwards Limited | West Bromwich | 2026 |
| Anna Fellici Ltd | Shipston-On-Stour | 2017 |
| Anna Gieniusz Ltd | Uxbridge | 2018 |
| Anna Loves Pottery Ltd | London | 2023 |
| Anna Mcloughlin Ltd | Mildenhall | 2024 |
| Anna MSC Ltd | London | 2025 |
| Anna Price Designs Ltd | Epping | 2016 |
| Anna Seven Limited | Dagenham | 2025 |
| Anna Sinead Littler Ltd | London | 2022 |
| Anna Socials Ltd | Mildenhall | 2026 |
| Anna Stella London Ltd | Manchester | 2022 |
| Anna Sweets Ltd | Essex, Ilford | 2021 |
| Anna Valentine Limited | Eastleigh | 2002 |
| Anna's Artisan Bakery Limited | Weston Super Mare | 2026 |
| Anna's Artisan Oven Ltd | Wickford | 2026 |
| Anna's Happy Trotters Limited | Goole | 2008 |
| Anna's Promotional Services Ltd | Oakengates Telford | 2025 |
| Anna's Simply Cakes Limited | Ellesmere Port | 2021 |
| Anna-Med (UK) Ltd | London | 2005 |
| Anna-Paula Ltd | Cheltenham | 2024 |
| Anna@Space Limited | London | 2022 |
| Annaandfather Ltd | London | 2026 |
| Annabella Novi Ltd | Beckenham | 2023 |
| Annabelle Limited | | 1989 |
| Annabels Diamonds Limited | Croydon | 2025 |
| Annacat and Company Limited | Bicester | 1969 |
| Annagh Engineering Limited | Magherafelt | 2017 |
| Annaloucah Studio Ltd | Newnham Terrace | 2023 |
| Annamaria's Cakery Ltd | Tonbridge | 2025 |
| Annamedic-Plus Ltd | London | 2020 |
| Annamegan Ltd | Erith | 2020 |
| Annandale Design (U.K.) Limited | Ayrshire | 1992 |
| Annandale Distillery Company Limited | Annan | 2007 |
| Annandale Limited | East Yorkshire | 1998 |
| Annapurna Botanicals Ltd | Northolt | 2026 |
| Annapurna Motorhomes Ltd | Shrewsbury | 2015 |
| Annard International Limited | Omagh | 2019 |
| Annard Limited | Loughgall | 2008 |
| Annatex Print Limited | Basildon | 2016 |
| Annatiques Limited | Manchester | 2012 |
| Annavee Healthy Snack Ltd | Preston | 2025 |
| Anncan Global Limited | Londonderry | 2024 |
| Anne Louise Interiors Ltd | Moreton-In-Marsh | 2025 |
| Anne's Future Opportunity Ltd | Woodford Green | 2021 |
| Anne-Mary's Bakehut Limited | Dagenham | 2010 |
| Anne-Michelle Jewellery Ltd | Bicester | 2026 |
| Annecy Electronics Limited | Wirral | 1990 |
| Annele Limited | Bathpool | 2020 |
| Anneset Productions Limited | Weston-Super-Mare | 2003 |
| Annets Enterprises Limited | Wallingford | 2010 |
| Annett Engineering Ltd | Newry | 2006 |
| Annetts Picture Framing Ltd | Warrenpoint | 2018 |
| Annex Design Limited | 20/20 Business Park | 2006 |
| Anni Nilsson Limited | Altrincham | 2020 |
| Annie Atelier Ltd | Maidstone | 2026 |
| Annie LEE Ltd | Cambridge | 2023 |
| Annie Love Nature Ltd | Wigan | 2014 |
| Annie Pestana Brand UK Ltd | London | 2018 |
| Annie Sloan Interiors Ltd | Oxford | 2010 |
| Annie's Bakery Limited | Wick | 2013 |
| Annie's Home Bakery Ltd | Belfast | 2015 |
| Annie's Traditional Food Ltd | Coleraine | 2009 |
| Annieanne Limited | Newport | 2014 |
| Annika Reed Studio Ltd | Frome | 2026 |
| Anniseeds Ltd | Lutterworth | 2023 |
| Annlas Transport Ltd | London | 2024 |
| Annlysn UK Holdings Company Limited | Kington | 2020 |
| Anno Distillers Limited | Greater Manchester | 2011 |
| Annolloy Limited | Morden | 1953 |
| Annulus Ltd | Macclesfield | 2026 |
| Annvale Plant & Commercials Ltd | Keady | 2018 |
| Annvale PVC Ltd | Armagh | 2003 |
| Annwyn Botanicals Ltd | Scarborough | 2014 |
| Anny's Limited | Croydon | 2015 |
| Annyshair Limited | Dudley | 2025 |
| Anobi Jones Media Links. Limited | London | 2009 |
| Anochrome Limited | Fordhouses, Wolverhampton | 1946 |
| Anochrome Technologies Limited | Wolverhampton | 1998 |
| Anocis Therapeutics Ltd | Deal | 2023 |
| Anocona Limited | Birmingham | 2011 |
| Anocote Limited | Fordhouses, Wolverhampton | 1983 |
| Anodamine UK Ltd | Dunstable | 2026 |
| Anode Automation Ltd | Chard | 2024 |
| Anode Bidco Limited | Tredegar | 2021 |
| Anode CKE Ltd. | Leicester | 1999 |
| Anode EYE Limited | Plymouth | 2008 |
| Anode Holdco 2 Limited | London | 2021 |
| Anode Holdco Limited | London | 2021 |
| Anode Labs Ltd | Leeds | 2024 |
| Anode Topco Limited | Tredegar | 2021 |
| Anodisers Runcorn Limited | Manchester | 2002 |
| Anodising & Platings Ltd | Croydon | 1945 |
| Anodising Supplies Ltd | Taunton | 2025 |