| Alert Brands Ltd | Blackpool | 2020 |
| Alert Tracking Ltd | Aldridge | 2020 |
| Alesa AI Ltd | London | 2019 |
| Alesandra Macsim Ltd | Barnet | 2026 |
| Alesha-Arham Ltd | Dudley | 2021 |
| Alesi Studios (Northampton) Ltd | Northampton | 2025 |
| Alesi Studios Ltd | Northampton | 2024 |
| Alesk Stanislov Congregation Ltd | London | 2025 |
| Aless Bove Nutrition Limited | London | 2022 |
| Alessia at Sorelle Ltd | Doncaster | 2022 |
| Alessio Bolzoni Limited | London | 2016 |
| Alessio London Ltd | London | 2025 |
| Alessio P Limited | Gorleston On Sea | 2016 |
| Alessys Limited | Blackpool | 2025 |
| Alesta Hairdressers Ltd | London | 2021 |
| Aleta's Hair Design Limited | Brigg | 2002 |
| Alethaimassage Ltd | High Wycombe | 2024 |
| Aleura & Co Ltd | London | 2025 |
| Aleurones Limited | Poole | 2025 |
| Alex 1996 Barbering Ltd | Washington | 2026 |
| Alex 24/7 Couriers Ltd | Batley | 2018 |
| Alex 55 Ltd | Sunderland | 2023 |
| Alex 57 Ltd | Newcastle Upon Tyne | 2025 |
| Alex Allen Ltd | London | 2015 |
| Alex and ALL the Animals CIC | Cranbrook | 2026 |
| Alex Anthony Hairdressing Ltd | Chatham | 2024 |
| Alex App Ltd | Edinburgh | 2018 |
| Alex Auto Ltd | Cardiff | 2018 |
| Alex Barber 2 Ltd | Westcliff-On-Sea | 2023 |
| Alex Barber Ltd | North Shields | 2022 |
| Alex Barber Shop (Camberley) Limited | Camberley | 2025 |
| Alex Barber Shop (Woking) Limited | Woking | 2025 |
| Alex Barbers Newcastle Ltd | Boldon Colliery | 2021 |
| Alex Bates Nail Artist Ltd | Newport Pagnell | 2024 |
| Alex Beaton Photography Limited | West Wickham | 2003 |
| Alex Black Funeral Care Limited | Drumchapel | 2015 |
| Alex Box Limited | London | 2008 |
| Alex Brand Consultancy Limited | Elgin | 2010 |
| Alex Brick Premium Limited | Hainault Business Park | 2022 |
| Alex Brown 1989 Ltd | Cardiff | 2020 |
| Alex Brownsell Ltd | London | 2022 |
| Alex Cannon Ltd | Liverpool | 2016 |
| Alex Christopher Hair Ltd | Liverpool | 2021 |
| Alex Cladding Limited | Worthing | 2019 |
| Alex Cleaning Services Ltd | London | 2007 |
| Alex Coates (Tattooist) Limited | North Yorkshire | 2003 |
| Alex Cook Ltd | Hull | 2014 |
| Alex Cosgrove Limited | Holt | 2023 |
| Alex Crook Ltd | Sittingbourne | 2014 |
| Alex CUT Ltd | Birmingham | 2025 |
| Alex DEC 87 Limited | London | 2017 |
| Alex Dewey Plumbing and Heating Ltd | Bordon | 2023 |
| Alex DRY Cleaner's Ltd | Richmond | 2025 |
| Alex Drycleaners Kewrd Ltd | Mildenhall | 2025 |
| Alex Drycleaning Limited | Richmond | 2015 |
| Alex Duddy Limited | Canterbury | 2023 |
| Alex Ells Ltd | Guildford | 2019 |
| Alex END Elena Barber Limited | Dartford | 2025 |
| Alex Fine Line Tattoo Studio Limited | Ossett | 2026 |
| Alex G Berry.Com Limited | Bolton | 2017 |
| Alex Gard Fitness & Health Ltd | Eastleigh | 2022 |
| Alex Gates Online Consultancy Limited | Knaresborough | 2022 |
| Alex Gilligan Limited | Thame | 2017 |
| Alex Goacher Limited | London | 2013 |
| Alex Grove Coaching and Personal Development Limited | London | 2017 |
| Alex Grzybek Ltd | London | 2024 |
| Alex Hair Design Ltd | Slough | 2019 |
| Alex Hairstyles Ltd | Sutton Coldfield | 2016 |
| Alex Hall Farrier Services Limited | Stafford | 2012 |
| Alex HAY Salon Limited | Brough | 2024 |
| Alex International Solutions Ltd | Kenilworth | 2012 |
| Alex James Limited | Gloucester | 2008 |
| Alex James SMP Limited | Rossendale | 2021 |
| Alex Jamieson Hairdressing Limited | Knottingley | 2025 |
| Alex Jeffrey Clock Company Ltd | London | 2024 |
| Alex Jones Funeral Directors Limited | Lingfield | 1995 |
| Alex Kader Advisory Ltd | Hailsham | 2023 |
| Alex Little Funeral Directors Limited | Leven | 2018 |
| Alex Longmore Ltd | Epsom | 2023 |
| Alex Macewen Ltd | Beaminster | 2018 |
| Alex Magill Hair NI Ltd | Larne | 2025 |
| Alex Manderstam Ltd | London | 2022 |
| Alex Maynard Ltd | East Preston | 2019 |
| Alex Meakin Ltd | Manchester | 2018 |
| Alex Nails and Beauty Limited | Romsey | 2021 |
| Alex Nails and Spa Limited | Redditch | 2022 |
| Alex Neill Class Representative Limited | Burnley | 2022 |
| Alex Neilson Limited | London | 2020 |
| Alex Nguyen Ltd | Wokingham | 2024 |
| Alex Niven Makeup Ltd | Bristol | 2022 |
| Alex Page Personal Training Ltd | Hassocks | 2010 |
| Alex PC Repair Worcs Limited | Luton | 2014 |
| Alex Pierre-Traves Limited | London | 2012 |
| Alex Props Limited | Woking | 2012 |
| Alex Reid Limited | Bradford | 1971 |
| Alex Ross Plasterers (Scotland) Ltd. | Airdrie | 2019 |
| Alex Saloon Limited | Hayes | 2018 |
| Alex Shoe Repairs Ltd | Morden | 2020 |
| Alex Sokolov Ltd | London | 2016 |
| Alex Solutions Limited | London | 2018 |