| 0603 Ltd | Crewe | 2025 |
| 0603 Management Services Ltd | Birmingham | 2025 |
| 060571 Ltd | Cardiff | 2020 |
| 061049 Limited | Cardiff | 2020 |
| 06246123 Limited | Salford | 2007 |
| 06565988 Limited | London | 2008 |
| 06610732 Limited | Barnet | 2008 |
| 07271389 Limited | Carlisle | 2010 |
| 07640248 Limited | Bishop Auckland | 2011 |
| 07731260 Limited | Manchester | 2011 |
| 07733392 Limited | Manchester | 2011 |
| 07778582 Ltd | Cambridge | 2011 |
| 07866085 Limited | Manchester | 2011 |
| 080 Great Britain Limited | London | 2011 |
| 0800 DPF Cleaning.Com Ltd | Stourbridge | 2011 |
| 0800RUBBISH Limited | Kingston Upon Thames | 2016 |
| 08260755 Ltd | London | 2012 |
| 08384624 Limited | Stockport | 2013 |
| 08431035 Limited | Failsworth | 2013 |
| 08461200 Limited | Salisbury | 2013 |
| 08868871 Limited | Staines-Upon-Thames | 2014 |
| 08DIRECT Limited | Leeds | 2007 |
| 09 Cleaning Group Ltd | Basildon | 2025 |
| 09368040 Limited | South Ockendon | 2014 |
| 0970003 Ltd | Chorley | 2015 |
| 0CO2 Technology Group Ltd | London | 2018 |
| 0GHOSTS Limited | London | 2022 |
| 0H02 Limited | London | 2023 |
| 0WANABLE Ltd | Cardiff | 2022 |
| 1 & 2 Avonmor Mews (Freehold) Limited | Dorking | 2011 |
| 1 & 2 Bell Lane Management Limited | Lewes | 2009 |
| 1 & 2 Clifton Terrace Management Limited | Winchester | 1996 |
| 1 2 1 Recruitment Consultants Limited | London | 2013 |
| 1 Access UK Ltd | Cambridge | 2025 |
| 1 Ace Associates Ltd | London | 2024 |
| 1 Alexandra Grove Limited | | 2006 |
| 1 Andygroup Limited | Doncaster | 2016 |
| 1 Apostille Limited | Coventry | 2015 |
| 1 AS Talent Ltd | London | 2017 |
| 1 Bishops Avenue Limited | London | 2018 |
| 1 Brewery Road Management RTM Company Limited | Beckenham | 2018 |
| 1 Buckland Crescent RTM Company Limited | London | 2008 |
| 1 C C Golf Tech Limited | Gateshead | 2019 |
| 1 Call Business Solutions Limited | Wirral | 2004 |
| 1 Call Roofing Limited | Ipswich | 2014 |
| 1 Car Company Limited | Worcester | 2016 |
| 1 Clean UP Ltd | Birmingham | 2025 |
| 1 Click on IT Ltd | Walton-On-Thames | 2017 |
| 1 Control Limited | London | 2022 |
| 1 Cromwell Crescent Limited | London | 1995 |
| 1 CSG Limited | Dartford | 2006 |
| 1 Cube Limited | Manchester | 2017 |
| 1 Cumbrian Gardens Freehold Ltd | London | 2017 |
| 1 Dalmore Road Limited | London | 1998 |
| 1 Denmark Terrace (Freehold) Limited | Brighton | 2016 |
| 1 Derham Road Management Ltd | Bristol | 2005 |
| 1 Dover Street Lease Co Limited | London | 2025 |
| 1 Drop Production Limited | Huddersfield | 2017 |
| 1 Elsworthy Terrace Freehold Ltd | Barnet | 2017 |
| 1 Events Media Ltd | Blackburn | 2010 |
| 1 EW Limited | Edinburgh | 2019 |
| 1 for the Road Aggregate Limited | Dudley | 2026 |
| 1 Force Recruitment Ltd | Cardiff | 2024 |
| 1 Force Security Ltd | Halstead | 2014 |
| 1 Four 1 Care Ltd | Crawley | 2016 |
| 1 Four 1 Recruitment Limited | Crawley | 2008 |
| 1 Grosvenor Place Bath (Management) Limited | Bath | 2008 |
| 1 Hare Court Chambers Limited | London | 2025 |
| 1 Harecourt Road Islington Limited | London | 2003 |
| 1 Hereford Road Limited | Esher | 2013 |
| 1 Hour a Week Ltd | Dunmow | 2021 |
| 1 IS 2 Many Limited | Ammanford | 2014 |
| 1 K.R. Freehold Limited | London | 2017 |
| 1 Lansdowne Walk Limited | London | 2010 |
| 1 Less Worry HR Services Ltd | Plymouth | 2021 |
| 1 Life Trip Ltd | Birmingham | 2026 |
| 1 LP Limited | Arundel | 2012 |
| 1 Market Street Woodstock Limited | Woodstock | 2014 |
| 1 Medico Ltd | Surbiton | 2016 |
| 1 Model Management London Limited | London | 2023 |
| 1 Park Road Ipswich Management Company Limited | Ipswich | 2008 |
| 1 Pemberton Gardens (Management) Limited | London | 1983 |
| 1 Percent Hub Ltd | Bromsgrove | 2025 |
| 1 Percent Recruitment Group Limited | Witney | 2025 |
| 1 Pest Control Ltd | London | 2022 |
| 1 Plant Solutions Limited | St Clears | 2024 |
| 1 Pro EYE Security Limited | Gillingham | 2020 |
| 1 Property Services Ltd | Glasgow | 2012 |
| 1 Pure and Simple Ltd | Colchester | 2008 |
| 1 Sarlsdown Road Limited | London | 2017 |
| 1 Southcote Road Management Company Limited | London | 2016 |
| 1 Step Security Ltd | Rochdale | 2023 |
| 1 Stop Cruise Shop Limited | Redditch | 2005 |
| 1 Stop Fire and Security Ltd | Stonehouse | 2014 |
| 1 Stop Floor Care Limited | Chorley | 2012 |
| 1 Stop Instruction Roadcraft Ltd | Ilford | 2012 |
| 1 Stop REC Limited | Westcliffon Sea | 2008 |
| 1 Stop Technology Solutions Ltd | Kelty | 2022 |
| 1 Swift Street Limited | Cambridge | 2002 |
| 1 Sydney Road (Exeter) NO.2 Management Company Limited | Exeter | 1988 |