| Andomin Limited | London | 2024 |
| Andon Advisory Ltd | Omagh | 2019 |
| Andon Design Consultants Limited | Andover | 2002 |
| Andon S Consulting Limited | Watford | 2012 |
| Andonov Pro Ltd | Newry | 2018 |
| Andooi Design Limited | Pewsey | 2009 |
| Andopi Consulting Limited | Peterborough | 2024 |
| Andor Wills and Estates Ltd | Glenrothes | 2024 |
| Andorah Limited | Manchester | 2015 |
| Andoriax | Wigan | 2026 |
| Andorus Engineering Limited | Grampian | 1993 |
| Andosite Limited | Flitwick | 2015 |
| Andotwin Studio Ltd | Manchester | 2014 |
| Andover B.I.D Limited | Andover | 2017 |
| Andover Consultants Ltd. | Chippenham | 2011 |
| Andover Engineering Ltd | Salisbury | 2015 |
| Andover Financial Solutions Limited | Brentwood | 2007 |
| Andover VETS4PETS Limited | Handforth | 2012 |
| Andow Ellis Limited | Westbury On Trym | 2016 |
| Andown Engineering Ltd | Burton-On-Trent | 2024 |
| Andps Consulting Limited | London | 2025 |
| Andqfive Ltd | Sevenoaks | 2025 |
| ANDR3 Limited | Bradford | 2022 |
| Andra & Alex Engineering Limited | Ilford | 2019 |
| Andra City Ltd | Cardiff | 2025 |
| Andracca Capital Ltd. | Shrewsbury | 2016 |
| Andrada Calin Studio Ltd | London | 2026 |
| Andrada Gacichevici Notary Public Ltd | Manchester | 2023 |
| Andrade Consultancy Services Ltd | Bromley | 2019 |
| Andraginer Ltd | London | 2026 |
| Andral Consultancy Ltd | Dewsbury | 2024 |
| Andralex Limited | Wokingham | 2022 |
| Andraos Associates Limited | London | 1995 |
| Andras Productions Limited | London | 2023 |
| Andrassy Brothers Limited | Cardiff | 1900 |
| Andrasta Marine Ltd | Edinburgh | 2026 |
| Andraste Accounting Ltd | Colchester | 2015 |
| Andrawn Professional Services Ltd | Coalville | 2020 |
| Andraya Clare Ltd | London | 2026 |
| Andre Advisory Services Limited | Hayes | 2022 |
| Andre and Sofia Associates Limited | London | 2016 |
| Andre Cazley Design Limited | London | 2022 |
| Andre Charles Limited | Ballymena | 2024 |
| Andre Clark Consulting Ltd | Braintree | 2015 |
| Andre Engelbrecht Limited | Benfleet | 2018 |
| Andre Fagan Architecture Ltd | London | 2014 |
| Andre Gilbert Ltd | Folkestone | 2022 |
| Andre Hessler Limited | Ramsgate | 2017 |
| Andre Johns Ltd | Wells | 2023 |
| Andre Kong Studio Ltd | London | 2022 |
| Andre Lichtenberg Photography Limited | Hove | 2015 |
| Andre MC Ltd | London | 2024 |
| Andre Mendes Locum Ltd | Salford | 2026 |
| Andre Peers Consulting Ltd | Woking | 2023 |
| Andre Reed Group Limited | | 2002 |
| Andre Spence Consulting Limited | London | 2024 |
| Andre Wooz Ltd | London | 2022 |
| Andre-Marcel Consultancy Ltd | East Boldon | 2024 |
| Andrea & Andrea Family Investment Company Limited | Hertfordshire | 2024 |
| Andrea Bassi Consultancy Ltd | London | 2018 |
| Andrea Bellamy Consultancy Limited | Wigan | 2021 |
| Andrea Benedettini Ltd | London | 2021 |
| Andrea Bennett London Limited | Broxbourne | 2012 |
| Andrea Benneyworth & Co Limited | London | 2014 |
| Andrea Bleackley & Co Limited | Southport | 2017 |
| Andrea Boito Architecture Ltd | London | 2024 |
| Andrea Carpenter Ltd | London | 2016 |
| Andrea Chiampo Ltd | Petworth | 2021 |
| Andrea Chinelli Limited | Manchester | 2014 |
| Andrea Corbett Ltd. | London | 2016 |
| Andrea Dobson Ltd | Preston | 2010 |
| Andrea Donaldson SBS Ltd | Bolton | 2005 |
| Andrea Donaldson Small Business Services Ltd | Bolton | 2017 |
| Andrea Finegan Ltd | Norwich | 2011 |
| Andrea Floris Design Ltd | Warrington | 2024 |
| Andrea Haigh Consulting Ltd | Rossendale | 2025 |
| Andrea Harris Limited | Barnet | 2016 |
| Andrea Irving-Morse Associates Limited | Sedgefield | 2016 |
| Andrea Ives Consulting Ltd | Newport Pagnell | 2013 |
| Andrea James Legal Limited | Bury St. Edmunds | 2016 |
| Andrea Josse Project Management Limited | Wimborne | 2025 |
| Andrea Kilbride Ltd | Slough | 2025 |
| Andrea Kirkham Conservation Ltd | Norwich | 2014 |
| Andrea Law Ltd | Torquay | 2012 |
| Andrea Lensky - Health & Hygiene Ltd | Burnley | 2003 |
| Andrea LIU Limited | London | 2018 |
| Andrea Lloyd Interiors Ltd | London | 2025 |
| Andrea Mattaliano Ltd | London | 2022 |
| Andrea Mclaren Ltd | Retford | 2009 |
| Andrea O'Callaghan Consultancy Ltd | Manchester | 2024 |
| Andrea Paterson Consulting Ltd | Glasgow | 2013 |
| Andrea Pellegram Limited | Swindon | 2014 |
| Andrea Pierce Probate Services Limited | Bristol | 2020 |
| Andrea Piovesana Limited | London | 2017 |
| Andrea Pitrik Garden Design Ltd | Leighton Buzzard | 2024 |
| Andrea Pope-Smith Associates Limited | Shrewsbury | 2014 |
| Andrea Randt Stiftung Ltd | Egham | 2023 |
| Andrea Reid & Co Limited | Downpatrick | 2020 |
| Andrea Riley Limited | High Peak | 2015 |
| Andrea Ruffilli Architects Ltd | Northwood | 2019 |