| 19 Broadwater Road (Worthing) Limited | Henfield | 2010 |
| 19 Lane END Road Ltd | Manchester | 2022 |
| 19 London Limited | London | 2018 |
| 19 Ninety Nine Ltd | Altrincham | 2023 |
| 19 Private Staff Limited | London | 2018 |
| 19 Sandgate High Street Limited | Folkestone | 2013 |
| 1901 Ltd | Upminster | 2025 |
| 1905 Fundraising Ltd | London | 2024 |
| 1905 LAB Ltd | Slough | 2026 |
| 1907 Limited | Cardiff | 2019 |
| 191 Perth Road Ltd | Dundee | 2022 |
| 1921 Bronzing Salon Limited | Barking | 2025 |
| 194 Vicarage Road RTM Company Limited | Rugby | 2009 |
| 1943 Investments Ltd | Middlesex | 2017 |
| 195 International Ltd | Reading | 2024 |
| 195 Trips Ltd | London | 2025 |
| 1969CARS Ltd | London | 2015 |
| 1975 Hair Team Limited | Cardiff | 2024 |
| 1979 Limited | Gloucester | 2018 |
| 1981 Barbershop Limited | Truro | 2020 |
| 1983 South East Ltd | Etchingham | 2024 |
| 1985 Productions Ltd | Wigan | 2023 |
| 1987 London Ltd | Bournemouth | 2023 |
| 199 Lower Richmond Road Development Ltd | Caterham | 2008 |
| 199-215 Turnpike Link (Freehold) Limited | Surrey | 1990 |
| 1991 Nails and Beauty Limited | Leeds | 2025 |
| 1991 Shipping Ltd | London | 2019 |
| 1991NP Holdings Limited | London | 2023 |
| 1995 Settlement Trust Limited | Elstree | 2017 |
| 199696 Limited | Colne | 2018 |
| 1997 Lifestyle Ltd | Oldham | 2024 |
| 1997 Marketing Ltd | London | 2026 |
| 1999 Nail Bar Ltd | London | 2025 |
| 19GOLDEN Fade Ltd | Torrington | 2025 |
| 19X Consultancy Limited | Glasgow | 2011 |
| 19YME Limited | Enfield | 2011 |
| 1A Above Beauty Limited | Hull | 2020 |
| 1A Action Rotary ROD Ltd | Sutton Coldfield | 1998 |
| 1A Church Road Management Co Limited | Bromley | 2013 |
| 1A Drainflow (IOW) Limited | Newport | 2003 |
| 1A Florence Road RTM Company Limited | London | 2015 |
| 1A Gladstone Place Ltd. | | 2003 |
| 1A Medispa Limited | Blackwood | 2018 |
| 1A the Borough Limited | Hinckley | 1987 |
| 1A Visa Consulting Limited | London | 2024 |
| 1A&B Barber Shop Ltd | Leamington Spa | 2020 |
| 1ASER Ltd | Potters Bar | 2022 |
| 1BIKE1WORLD Limited | Biggleswade | 2020 |
| 1CALL Property Maintenance Limited | Aberdeen | 2004 |
| 1CLICKSAT Ltd | Birmingham | 2019 |
| 1CLUB London Limited | Uxbridge | 2023 |
| 1CRE8 Ltd | London | 2011 |
| 1DATA Group Limited | Broxbourne | 2022 |
| 1DME Ltd | Winchester | 2017 |
| 1DR Recovery Ltd | Dewsbury | 2026 |
| 1ENFORCEMENT Limited | Cardiff | 2024 |
| 1FLOC Limited | Peterborough | 2024 |
| 1GESTURE CIC | Oldham | 2026 |
| 1KAL Barbers Ltd | Bradford | 2021 |
| 1KDX Limited | London | 2023 |
| 1LIFE Events Ltd | London | 2022 |
| 1LOC Ltd | Romford | 2025 |
| 1LOCKSMITH Ltd | Slough | 2026 |
| 1LS Events Ltd | London | 2016 |
| 1M Construction Ltd | London | 2007 |
| 1MCM Limited | Waterlooville | 2009 |
| 1NCORPORATED Ltd | London | 2024 |
| 1NETWORKING Limited | Lymm | 2020 |
| 1NGR3D Ltd | Burton-On-Trent | 2018 |
| 1NTEVENTS Ltd | Basildon | 2026 |
| 1O1 Asset Trading Company Ltd | Bristol | 2022 |
| 1OAK Campervans Ltd | Bristol | 2018 |
| 1PERCENTT Ltd | London | 2023 |
| 1POINT Group Limited | London | 2023 |
| 1RULE Consulting Ltd | Cleethorpes | 2021 |
| 1S 2 3RD World Projects & Consulting Ltd | Birmingham | 2023 |
| 1ST 4 Hot Tubs Ltd | Bicester | 2016 |
| 1ST a Pest Control Service Limited | Maidstone | 2015 |
| 1ST Able Maintenance 2012 Limited | Basildon | 2012 |
| 1ST Ace Limited | London | 2024 |
| 1ST Aesthetics Ltd | London | 2021 |
| 1ST Alliance Services Ltd | Ilford | 2022 |
| 1ST Alton Manor Scout Group Limited | Belper | 2009 |
| 1ST Apostille Ltd | London | 2023 |
| 1ST Assistant Director UK Ltd | Huddersfield | 2013 |
| 1ST Astral Aerials Limited | Nottingham Business Park | 2003 |
| 1ST Blue Limited | London | 2025 |
| 1ST Bridge Limited | London | 2026 |
| 1ST Build Limited | London | 2024 |
| 1ST Call Appliance Service Limited | Uxbridge | 2003 |
| 1ST Call Diamond Cutting Services Ltd | Poole | 2020 |
| 1ST Call Facilities Ltd | Leigh-On-Sea | 2018 |
| 1ST Call Plumbing Limited | Lisburn | 2017 |
| 1ST Call Security Limited | Barking | 2018 |
| 1ST Call Trees Ltd. | Farnham | 2003 |
| 1ST Care Limited | Middlesex | 2001 |
| 1ST Centre Limited | London | 2026 |
| 1ST Choice Building and Maintenance Ltd | London | 2013 |
| 1ST Choice D B Driveways Limited | Maidenhead | 2003 |
| 1ST Choice Domestics Limited | Wheatley | 2003 |