| 1959 Consulting Limited | London | 2007 |
| 196 Welholme Road Management Company Limited | Solihull | 2007 |
| 197 London Road Limited | Bexhill | 2005 |
| 197 Pitshanger Lane Limited | Brentford | 2026 |
| 197 Queen's Gate Limited | Watford | 2003 |
| 1970 Limited | Harrogate | 2025 |
| 1988 Ocean Enterprises Ltd | Telford | 2024 |
| 19JP Limited | Birmingham | 2016 |
| 1A Devonshire Terrace Limited | Watlington | 2010 |
| 1A Networks Limited | Preston | 1999 |
| 1A-SOLUTIONS Ltd | London | 2023 |
| 1AMRIT Limited | Wigan | 2010 |
| 1AN Ltd | Harrogate | 2020 |
| 1AO Sales Limited | Enfield | 2024 |
| 1BIGWEB Limited | New Malden | 2023 |
| 1CABBI Limited | Staffordshire | 2024 |
| 1DAKIKADADENIZ Ltd | Ruislip | 2024 |
| 1E Wyatt Park RTM Company Limited | London | 2025 |
| 1EGACY Limited | Derby | 2017 |
| 1EGACY.COM Limited | Derby | 2017 |
| 1III Limited | Wigan | 2010 |
| 1MF Ltd | Harrogate | 2019 |
| 1N1 AI Limited | Dagenham | 2016 |
| 1NK Ltd | Harrogate | 2018 |
| 1NVESTMENT Limited | Harrogate | 2026 |
| 1P Broadband Limited | London | 2019 |
| 1PMOBILE Limited | London | 2016 |
| 1SLA Limited | Harrogate | 2020 |
| 1ST 4 Garage Services Limited | Dagenham | 2017 |
| 1ST Access Rentals Limited | Normanton | 2017 |
| 1ST Accountancy Limited | Essex | 2000 |
| 1ST Accounting Ltd | London | 2026 |
| 1ST Business Services Ltd | London | 2025 |
| 1ST Call Auto Rentals Limited | Stonehouse | 2019 |
| 1ST Call Grab Hire Limited | Gloucester | 2017 |
| 1ST Call Hire Limited | Gloucester | 2016 |
| 1ST Call Maintenance Solutions Ltd | London | 2013 |
| 1ST Call Plant Rental Limited | Gloucester | 2017 |
| 1ST Call Stone Supplies Limited | Gloucester | 2017 |
| 1ST Choice Accountancy Ltd | London | 2011 |
| 1ST Choice Employee Ownership Trustee Limited | Newbury | 2022 |
| 1ST Choice for Care Ltd | Colchester | 2012 |
| 1ST Choice Healthcare Ltd | Ramsgate | 2011 |
| 1ST Choice Leisure Buildings Ltd | Addlestone | 2001 |
| 1ST Choice Lifts Ltd | Calne | 2012 |
| 1ST Class Mortgages Ltd | Peterborough | 2019 |
| 1ST Cloud Limited | Sunderland | 2020 |
| 1ST Coatings Limited | Nottingham | 2017 |
| 1ST Company Formations Limited | London | 2024 |
| 1ST Computer Traders Limited | Tamworth | 2006 |
| 1ST Corporate Cleaning Ltd | Glasgow | 2014 |
| 1ST Financial Direction Limited | Wallingford | 2008 |
| 1ST for Beds Dorset Limited | Verwood | 2021 |
| 1ST for Fencing Limited | Melrose | 2017 |
| 1ST IT People Ltd | London | 2006 |
| 1ST National Limited | Cambridge | 2009 |
| 1ST National Tradesmen Limited | Cambridge | 2005 |
| 1ST Properties Limited | London | 2004 |
| 1ST Response Tool Hire Limited | Rayleigh | 2002 |
| 1ST Saviour Finance Limited | Southampton | 1999 |
| 1ST Specialist Services Limited | Nottingham | 2017 |
| 1ST Time-Tech Limited | Southport | 1984 |
| 1ST Touch Physio Limited | Waltham Cross | 2012 |
| 1ST Tutoring Limited | Fordingbridge | 2025 |
| 1ST4FIREPLACES Limited | Bolton | 2014 |
| 1TEN Properties Limited | Bristol | 2023 |
| 1TIME Events Ltd | Bristol | 2025 |
| 1VY Limited | Harrogate | 2018 |
| 1YSD REG Transfers Ltd Ltd | Sutton Coldfield | 2022 |
| 2 & 2A Astonville Street Freehold Limited | London | 2012 |
| 2 & 2A Wynter Road Southampton Limited | Southampton | 2002 |
| 2 & 2C Fratton Road Ltd | Southsea | 2022 |
| 2 and 4 Grove Farm Barns Sculthorpe Limited | Fakenham | 2011 |
| 2 and 4 Revelstoke Road Limited | London | 2014 |
| 2 Belle VUE Limited | Nottingham | 2013 |
| 2 C Machinery Co., Ltd | Mildenhall Suffolk | 2015 |
| 2 Callow Street Limited | London | 2000 |
| 2 Cavendish Road Flat Management Company Ltd | London | 2014 |
| 2 Clarendon Road Management Limited | Cheadle | 2007 |
| 2 Cliff Road Limited | Chelmsford | 2003 |
| 2 Collingbourne Road Limited | Thame | 2016 |
| 2 Commercial Street Management Company Limited | Wakefield | 2023 |
| 2 Coniston Road Freehold Limited | London | 2012 |
| 2 Deal Castle Road Management Ltd | Deal | 2011 |
| 2 Ducie Street Limited | London | 2006 |
| 2 Excel Corporate Limited | London | 2006 |
| 2 Excel Leading Edge Limited | Northampton | 2012 |
| 2 in 1 Limited | Birmingham | 2018 |
| 2 Inverness Gardens Freehold Limited | London | 2015 |
| 2 Lyncroft Gardens Limited | Reading | 2012 |
| 2 Maida Avenue Limited | Angmering | 1982 |
| 2 Oakland Management Company Limited | Bristol | 1998 |
| 2 Ockendon Road Limited | | 2003 |
| 2 Percy Terrace Limited | Plymouth | 1992 |
| 2 Pevensey Road Limited | Haywards Heath | 2016 |
| 2 Rivieres Avenue RTM Company Ltd | Colwyn Bay | 2014 |
| 2 Stanford Avenue RTM Company Limited | Brighton | 2023 |
| 2 UR DOR Ltd | Dungannon | 2005 |
| 2 Warriner Gardens Limited | London | 2010 |
| 2 Way Ltd | Maidstone | 2007 |