| Alex Shortt EYE Surgery Ltd | Woodford Green | 2015 |
| Alex Star Ventures Ltd | London | 2012 |
| Alex Thuli Ltd | Liverpool | 2015 |
| Alex Turner Paediatric Urology Ltd | Garforth | 2025 |
| Alex Verver Ltd | Waltham Cross | 2018 |
| Alex Vitas Ltd | Helston | 2022 |
| Alex Volovisky Ltd | London | 2022 |
| Alex Walters Consultancy Limited | Reading | 2012 |
| Alex Williams Wellness Co Ltd | London | 2026 |
| Alex&Alexis Healthcare Limited | London | 2023 |
| Alex&Alexis Healthcare Lmited Limited | London | 2016 |
| Alex's Wish | Leicester | 2012 |
| Alexa Entertainment Ltd | London | 2025 |
| Alexa Healthcare Services Limited | London | 2015 |
| Alexa Jane Consultancy Limited | London | 2015 |
| Alexa Rays Limited | Wirral | 2020 |
| ALEXA7 Ltd | Hythe | 2021 |
| Alexamanda Healthcare PVT Ltd | Elland | 2014 |
| Alexand Ltd | Chatham | 2023 |
| Alexandar G Ltd | Havant | 2017 |
| Alexander Care (Exeter) Limited | Slough | 2020 |
| Alexander Care Limited | Walsall | 2025 |
| Alexander Coakley Limited | Edinburgh | 2025 |
| Alexander Court Care Home Limited | Ilford | 2024 |
| Alexander Court Nursing Home Limited | Sheffield | 2023 |
| Alexander Devine Children's Cancer Trust | Maidenhead | 2006 |
| Alexander E James Ltd | Hornchurch | 2024 |
| Alexander Forster Garden Excellence Ltd | Esher | 2014 |
| Alexander Global Solutions Ltd | Barking | 2024 |
| Alexander Healthcare Services Ltd | London | 2018 |
| Alexander House Nursery Education Ltd | London | 2025 |
| Alexander Howard (Optometry) Ltd | Matlock | 2025 |
| Alexander Kobrin Limited | Darwen | 2001 |
| Alexander Medical Ltd | Pinner | 2025 |
| Alexander Optometrists Ltd | Northallerton | 2007 |
| Alexander Owen Consultants Limited | Milton Keynes | 2019 |
| Alexander Park Homes Limited | Farnborough | 2006 |
| Alexander RAO Limited | Darwen | 2003 |
| Alexander Smith Cardiac Surgery Ltd | Deal | 2024 |
| Alexander Surgery Limited | Hamilton | 2011 |
| Alexander Surgical Limited | Cleckheaton | 2019 |
| Alexander Taylor Medical Group Ltd | Pevensey | 2023 |
| Alexander's Care & Support Limited | Cheltenham | 2014 |
| Alexander's Place Limited | Sheerness | 2006 |
| Alexander's Supported Living Ltd | Farnborough | 2016 |
| Alexanderjoe Ltd | Peterborough | 2015 |
| Alexanders House Ltd. | Sunderland | 2017 |
| Alexandersantosh Limited | Darwen | 2018 |
| Alexander’S Mental Health Ltd | Farnborough | 2016 |
| Alexandra & Daria Ltd | Crawley | 2019 |
| Alexandra & Horatiu Ltd | Enniskillen | 2024 |
| Alexandra 123 Ltd | Slough | 2020 |
| Alexandra a Tenovici Ltd | Oxford | 2017 |
| Alexandra Care (Leicester) Limited | Blackpool | 2014 |
| Alexandra Care at Home Ltd | Coventry | 2026 |
| Alexandra Children's Home Ltd | Ilford | 2024 |
| Alexandra Coman Ltd | Southampton | 2018 |
| Alexandra Court Residential Home Ltd | Leeds | 2011 |
| Alexandra Dental Care Ltd | Chesterfield | 2013 |
| Alexandra Dental Services Limited | Ravenshead | 2011 |
| Alexandra Dunhill Limited | Bexhill | 2018 |
| Alexandra Giorga Limited | Nottingham | 2026 |
| Alexandra Health Care Limited | Chesterfield | 1994 |
| Alexandra Health Limited | London | 2011 |
| Alexandra Homes (Bristol) Limited | Bristol | 2004 |
| Alexandra House Diamond Life Healthcare Ltd | Ludlow | 2005 |
| Alexandra House Support Services Ltd | St. Asaph | 2018 |
| Alexandra Housing Limited | Plymouth | 2013 |
| Alexandra Joy ISW Limited | Farnham | 2025 |
| Alexandra Kalogeropoulou Therapies Ltd | Nottingham | 2026 |
| Alexandra Knowles Limited | London | 2021 |
| Alexandra Lagaisse Ltd | Swindon | 2024 |
| Alexandra Lodge Care Home Limited | Manchester | 2022 |
| Alexandra Long Surgical Assisting Ltd | Emsworth | 2022 |
| Alexandra Mccann Limited | Cheshire | 2003 |
| Alexandra Muntianu Limited | Borehamwood | 2021 |
| Alexandra Nursing Home Limited | Blackpool | 2004 |
| Alexandra Paolino Dermatology Ltd | London | 2024 |
| Alexandra Park Home Limited | London | 2021 |
| Alexandra Peace Physiotherapy Limited | Atherstone | 2011 |
| Alexandra Pharma Services Limited | Birkenhead | 2025 |
| Alexandra Physiotherapy Clinic Limited | Gloucester | 2010 |
| Alexandra Powell Aesthetics Limited | Bristol | 2022 |
| Alexandra PRE School Ltd | Oldham | 2016 |
| Alexandra Preschool Coldhurst Ltd | Oldham | 2025 |
| Alexandra Residential Care Home Limited | Herne Bay | 2024 |
| Alexandra Residential Care Ltd | Manchester | 2022 |
| Alexandra Rose Charity | Brighton | 1933 |
| Alexandra Sampson Limited | Hatfield | 2025 |
| Alexandra Specialist Care Limited | Blackpool | 2012 |
| Alexandra Tywyn Limited | Tywyn | 2022 |
| Alexandra Wellness Ltd | London | 2026 |
| Alexandra&G Ltd | Nuneaton | 2023 |
| Alexandra's Home Ltd | Weybridge | 2025 |
| Alexandrafreitas Limited | Maidstone | 2015 |
| Alexandrageo Care Limited | Hastings | 2016 |
| Alexandras Community Care Ltd | Burnham | 2017 |
| Alexandras Podiatry Care Ltd | Burnham | 2025 |
| Alexandrew Services Ltd | Andover | 2018 |
| Alexandria Imaging Ltd | Rickmansworth | 2010 |