| 104 South Hill Park Limited | Harrow | 2011 |
| 1045 Events Ltd | St Andrews | 2026 |
| 105 Bishops Road Limited | London | 2003 |
| 10597101 Ltd | Cardiff | 2017 |
| 106 Clova Road Freehold Ltd | London | 2016 |
| 106 Hammersmith Grove (Management Company) Limited | | 2007 |
| 106 Recruitment Ltd | Leamington Spa | 2023 |
| 106 Sumatra Road Limited | London | 2015 |
| 106 West Way Management Limited | Oxford | 2003 |
| 106-109 Saffron Hill Management Limited | London | 2013 |
| 10605095 Ltd | Birmingham | 2017 |
| 1066 Capital Limited | London | 2023 |
| 1066 Fire & Security Limited | St. Leonards-On-Sea | 2005 |
| 1066 Holdings Ltd | Cambridge | 2015 |
| 1066 Pools Limited | Bexhill-On-Sea | 2008 |
| 1066 Rental Limited | Bexhill-On-Sea | 2024 |
| 10690869 Ltd | London | 2017 |
| 106MONEY Ltd | Macclesfield | 2025 |
| 107 Pictures Ltd | London | 2013 |
| 10744399 Ltd | Milton Keynes | 2017 |
| 108 Brighton Road Ltd | Hove | 1997 |
| 108 Consulting Limited | Oxford | 2016 |
| 108 Norfolk Street (Wisbech) Management Company Ltd | Spalding | 2018 |
| 108-114 Seager Drive RTM Company Ltd | Buckingham | 2013 |
| 10887523 Ltd | London | 2026 |
| 108X Ltd | London | 2022 |
| 109 Benhill Road Management Company Limited | Croydon | 2008 |
| 109 Property Management Ltd | London | 2014 |
| 109/111 ST. George's Road Management Company Limited | | 2003 |
| 1097 Limited | London | 2012 |
| 10ACITY Ltd | Fleetwood | 2013 |
| 10CARD Limited | York | 2025 |
| 10COMMANDMENTS Ltd | Wrexham | 2022 |
| 10DREAM18 Ltd | London | 2023 |
| 10EPIC Expeditions Ltd | Guildford | 2009 |
| 10K60 Limited | London | 2020 |
| 10P Street Capital Limited | London | 2009 |
| 10Q Holdings Limited | Barnet | 2023 |
| 10R Solutions Ltd | Bedford | 2017 |
| 10STAR Security Solutions Ltd | Birmingham | 2020 |
| 10TEN Ltd | Wokingham | 2024 |
| 10TH Planet JIU Jitsu Swindon Ltd | Swindon | 2025 |
| 10THROUND Limited | Essex | 2007 |
| 10TIGERS Consultancy Limited | Hounslow | 2016 |
| 10TO3 Digital Limited | Manchester | 2018 |
| 10X Banking Technology IP Holding Limited | London | 2017 |
| 10X Collective Management Limited | London | 2026 |
| 10X Communities Limited | Warwick | 2020 |
| 10X Enterprise Limited | Chatham | 2020 |
| 10X Genomics Ltd | Counterslip | 2019 |
| 10X Talent Limited | Basingstoke | 2019 |
| 10X10 Business Services Limited | Lincoln | 2020 |
| 10XTECH Limited | Preston | 2019 |
| 11 Archer Security Group Ltd | London | 2025 |
| 11 Bridge Group Limited | London | 2024 |
| 11 Calverley Park Gardens (Management) Limited | Tunbridge Wells | 2004 |
| 11 Creative Limited | London | 2022 |
| 11 ELM Grove Road Management Limited | London | 1979 |
| 11 Ennismore Gardens Freehold Limited | Bourne End | 2016 |
| 11 Estelle Road (Freehold) Limited | Colchester | 2025 |
| 11 Health Group Ltd | Romford | 2026 |
| 11 Hoxton Street Ltd | Buckhurst Hill | 2018 |
| 11 Manor Road Ltd | South Tottenham | 2012 |
| 11 Park Valley Management Limited | Nottingham | 2013 |
| 11 the Grange Limited | Broadstairs | 2012 |
| 11 Worldwide Ltd | London | 2016 |
| 11-18 Llys Rhostrefor RTM Company Ltd | Conwy | 2015 |
| 11-8 Consultants Limited | Cambridge | 2010 |
| 11.11 Investco 2 Limited | Manchester | 2022 |
| 110 High Street (Boston) Management Company Ltd | Spalding | 2018 |
| 110 Luxury Travel Ltd | Bradford | 2025 |
| 110 Marlborough Road Management Company Limited | | 2000 |
| 110 Musa Limited | Bradford | 2018 |
| 110 Security Solutions Limited | Harrow | 2025 |
| 110 Services Ltd | Watford | 2025 |
| 110 Tanfield Service Management Ltd | London | 2026 |
| 110% Marketing Limited | Sandhurst | 2006 |
| 110% People Ltd | Canvey Island | 2020 |
| 110.AGENCY Ltd | Morden | 2024 |
| 11011331 Ltd | Altrincham | 2017 |
| 111 Cleaning Services Ltd | Reading | 2025 |
| 111 Fore Street (Kingsbridge) Management Limited | Kingsbridge | 2013 |
| 111 Kingston Road Limited | London | 2022 |
| 111 Lifeline Limited | London | 2017 |
| 111 Management Ltd | London | 2022 |
| 111 Security Ltd | Dagenham | 2025 |
| 1111 Bespoke Pathways Ltd | Blackpool | 2026 |
| 1111 Studio Ltd | London | 2006 |
| 1111RECRUITMENT Ltd | Llanelli | 2025 |
| 1111RECRUITMENTSOLUTIONS Ltd | Llanelli | 2026 |
| 111280 Ltd | Cardiff | 2020 |
| 11171749 Limited | Liverpool | 2018 |
| 1118A Melton Road Limited | Leicester | 2023 |
| 1119 Ltd | Swindon | 2021 |
| 111HANDYMAN Ltd | Hampton | 2013 |
| 112 Group Limited | Blackpool | 2019 |
| 112 Holland Road (Kensington) Limited | Chesham | 2000 |
| 112 Peckham RYE Freehold Ltd | London | 2017 |
| 1122 Limited | Portsmouth | 2017 |
| 11253485 Ltd | Coventry | 2018 |