| Anderson Wealth Ltd | London | 2026 |
| Anderson Woolven Ltd | London | 2025 |
| Anderson Wray Ltd | Attleborough | 2011 |
| Anderson Yorke Associates Limited | Stoke-On-Trent | 2006 |
| Anderson+ Limited | Beckenham | 2023 |
| Anderson, Turnbull, Kiloh Partnership Limited | | 1993 |
| Anderson-Eyles CAD Ltd. | London | 2015 |
| Anderson-Hill Ltd | London | 2023 |
| Anderson-Houston Ltd | Glasgow | 2022 |
| Anderson-Wales Limited | Rossendale | 1999 |
| Anderson-Wild Ltd | Oldham | 2018 |
| Andersonbick Ltd | London | 2017 |
| Andersonknightassociates Limited | London | 2006 |
| Andersonnash Limited | Cambridge | 2007 |
| Andersonrisk Limited | Harpenden | 2015 |
| Andersons Accountancy & Consulting Ltd | Gloucester | 2014 |
| Andersons Accountancy Services Ltd | Abergavenny | 2012 |
| Andersons Accountants & Tax Advisors Ltd | Smethwick | 2020 |
| Andersons CA Ltd | Birmingham | 1993 |
| Andersons Eastern Ltd | Bury St Edmunds | 2010 |
| Andersons Legal Services Ltd | Peterborough | 2021 |
| Andersons Northern Ltd | Motherwell | 2011 |
| Andersson Subsea Ltd | Whitley Bay | 2026 |
| Anderstrand Ltd | Edinburgh | 2025 |
| Anderton & Co Solicitors Ltd | Liverpool | 2018 |
| Anderton & Victoria (Holdings) Limited | Morecambe | 2012 |
| Anderton Associates (Ecology & Arboriculture) Ltd | Nottingham | 2021 |
| Anderton Associates Ltd | Harrow | 2015 |
| Anderton Aviation and Adhd Limited | Gainsborough | 2025 |
| Anderton Close Residents Association Limited | London | 1965 |
| Anderton Court Management Limited | Tavistock | 1993 |
| Anderton Gables Limited | Preston | 2007 |
| Anderton Hall Limited | Leeds | 2009 |
| Anderton Legal Services Ltd | Pontyclun | 2019 |
| Anderton Park Road Ltd | Wolverhampton | 2006 |
| Anderton Project Controls Solutions Ltd | Lytham St.Annes | 2015 |
| Anderton WM Ltd | London | 2020 |
| Andertons Europe Limited | London | 2014 |
| Anderworth Services Ltd | Peterborough | 2014 |
| Andes R & D Consulting Limited | Liverpool | 2021 |
| Andes Solutions Ltd | Edinburgh | 2024 |
| Andes Trust Limited(The) | London | 1929 |
| Andes Wines Limited | London | 2019 |
| Andes&Albion Ltd | London | 2026 |
| Andesign Graphics Ltd | Lichfield | 2025 |
| Andesign Ltd | Port Talbot | 2024 |
| Andesmar Quality Services Limited | Malton | 2008 |
| Andeva Group Limited | Manchester | 2024 |
| Andeva Limited | Manchester | 2018 |
| Andevour Ltd | London | 2011 |
| Andexlinger Ltd | London | 2022 |
| Andf Consulting Ltd | Kinross | 2025 |
| Andfake Limited | London | 2026 |
| Andfee Limited | Doncaster | 2026 |
| Andfields Accountancy Recruitment and Consultancy Limited | Leeds | 2025 |
| Andgiete Consulting Limited | Pershore | 2025 |
| Andgrow.Io Ltd | London | 2019 |
| Andhel Consultancy Limited | London | 2018 |
| Andheritage Ltd | Bletchingley | 2023 |
| Andhil Limited | Chester | 2018 |
| Andhope Coaching Ltd | London | 2026 |
| Andi BK Services Limited | Luton | 2007 |
| Andi Group Limited | London | 2014 |
| Andi Health and Wellbeing Consultancy Ltd | Feltham | 2018 |
| Andi K Civil Engineering Ltd | Lytham St Annes | 2012 |
| Andi Lewis Consultancy Ltd | Lancaster | 2022 |
| Andi Watson Photography Services Limited | St Andrews | 2023 |
| Andi Way Garden Design Ltd | Wolverhampton | 2021 |
| Andia Financial Advisory Ltd | Watford | 2026 |
| Andiam Consulting Limited | London | 2003 |
| Andiamo Affiliates Ltd | London | 2024 |
| Andiamo Capital Partners Limited | London | 2016 |
| Andiamo G61 Consultancy Limited | Glasgow | 2016 |
| Andiamo! Language Services Limited | Leeds | 2000 |
| Andiamo! Limited | Leeds | 2005 |
| Andibee Ltd | Loughborough | 2016 |
| Andina Europa UK Ltd | London | 2024 |
| Andion Limited | Newark | 2001 |
| Andis Communications Limited | Watford | 2003 |
| Andiwam Limited | London | 2019 |
| Andjess Limited | Glasgow | 2008 |
| Andkou Languages Ltd | Dover | 2025 |
| Andl Consulting Ltd | Wokingham | 2020 |
| Andla Consultancy Limited | Carbost | 2018 |
| Andlaw Holdings Limited | Gateshead | 2010 |
| Andleye Capital Limited | London | 2024 |
| Andm Ltd | Eastbourne | 2024 |
| Andmc Ltd | London | 2025 |
| Andme Consulting Limited | St Albans | 2021 |
| Andmoreco Limited | Altrincham | 2013 |
| Andn Consulting Limited | London | 2015 |
| Andnix Limited | London | 2014 |
| Andnowdeliver Limited | Southampton | 2020 |
| Ando Engineering Limited | Wetherby | 2018 |
| Ando FD Consultancy Services Ltd | Worcester | 2018 |
| Ando Landscapes Ltd | London | 2024 |
| Ando Ltd | Accrington | 2022 |
| ANDO150 Limited | Wallsend | 2016 |
| Andola Fibres Limited | Keighley | 1973 |
| Andolini Limited | London | 2016 |