| 10-67 Limited | Thames Ditton | 2015 |
| 100 Hounslow Ltd | Hounslow | 2023 |
| 100 Nights of Hero 2024 Investors Limited | London | 2024 |
| 100 Percent Holdings Limited | Romford | 2024 |
| 100 Waddon Road Management Company Limited | Croydon | 2006 |
| 100% Holdings Ltd | Poole | 2022 |
| 100% Stainless (Holdings) Limited | Plymouth | 2017 |
| 100% Stainless Group Limited | Brixton | 2025 |
| 100% Stainless Properties Holdings Limited | Brixton | 2025 |
| 1000 Acre Holdings Limited | London | 2023 |
| 1000 Peaks Ltd | Ilkley | 2025 |
| 1001010101 Ltd | Newcastle | 2023 |
| 10027965 Limited | London | 2016 |
| 100FP Holding Ltd | London | 2018 |
| 100TH Meridian Capital Ltd | London | 2021 |
| 100YGB Limited | London | 2025 |
| 101 Dimensions Limited | Dunblane | 2009 |
| 101 Facilitator Limited | Manchester | 2009 |
| 101 Finance Limited | Mill Hill | 2026 |
| 101 Fluid Investments Ltd | London | 2024 |
| 101 Holdings Limited | London | 2023 |
| 101 Investments (GP) Limited | London | 2005 |
| 1010 Owens Consulting Limited | Glasgow | 2012 |
| 101010 Limited | Lewes | 2014 |
| 1010LEGAL Ltd | Glasgow | 2016 |
| 102320 Limited | Calne | 2020 |
| 103 Portland Ltd | Irvine | 2014 |
| 10350010 Limited | Birmingham | 2016 |
| 105 Holdings Limited | Wilmslow | 2025 |
| 105 Judd Street Limited | London | 2020 |
| 1056 Ltd | Guildford | 2023 |
| 106 Ltd | Ilminster | 2025 |
| 106 Ymddeol Limited | Ruthin | 2021 |
| 1060 South Broadway UK Limited | London | 2015 |
| 1066 Asset Holdings Ltd | St Leonards-On-Sea | 2018 |
| 107 Cannon Street Limited | London | 2023 |
| 107 Management Ltd | London | 2023 |
| 108 Capital Holdings Limited | Ipswich | 2024 |
| 108C Finance Limited | London | 2019 |
| 108K Ventures Limited | London | 2026 |
| 10ACIA Holding Company Ltd | Blackpool | 2016 |
| 10BRIDGE Group Limited | Frodsham | 2022 |
| 10DYNAMICS Limited | London | 2021 |
| 10M Resilience Limited | London | 2026 |
| 10MENGROUP Ltd | London | 2025 |
| 10N Holdings Ltd | Bristol | 2021 |
| 10SIGMA Ltd | London | 2016 |
| 10TH Avenue Limited | Belfast | 2020 |
| 10X Banking Technology Holdings Limited | London | 2016 |
| 10X Capital Ltd | Stoke On Trent | 2025 |
| 10X Capital Partners Ltd | Middlesbrough | 2023 |
| 10X Investments Limited | Benfleet | 2018 |
| 10X-INVEST Limited | London | 2017 |
| 10X10 Angels Limited | London | 2022 |
| 11 11 Asset Management Ltd | Manchester | 2021 |
| 11 11 Distribution Limited | Milton Keynes | 2025 |
| 11 AM Holdco Ltd | Watford | 2025 |
| 11 Books Limited | Titchfield | 2017 |
| 11 Capital Investments Limited | Ashford | 2022 |
| 11 Eleven Fitness Limited | Liverpool | 2025 |
| 11 Family Investment Company Ltd | Manchester | 2026 |
| 11 Grosvenor Freehold Limited | Richmond | 2025 |
| 11 Holdings Ltd | London | 2025 |
| 11 Insurance Services Limited | Bury | 2014 |
| 11 Minutes Ltd | London | 2023 |
| 11 PS GP Limited | London | 2025 |
| 11 PS Holding Limited | London | 2025 |
| 11 Recruitment Group Ltd | Cheltenham | 2023 |
| 11 Resolve Capital Limited | London | 2024 |
| 11 ST. Cross Street Limited | Harrow | 2015 |
| 11 Woodborough Road Limited | London | 2017 |
| 11.11 Investments Ltd | Kendal | 2020 |
| 110 Algernon Road Management Limited | Manchester | 2000 |
| 11016 Ltd | Basingstoke | 2026 |
| 1105 Holdings Ltd | Stoke-On-Trent | 2023 |
| 110TH Street Mortgages Ltd | Guildford | 2026 |
| 111 Southwark Street Limited | London | 2017 |
| 1110 Group Limited | London | 2025 |
| 1111 SJS Ltd | Polegate | 2025 |
| 11112741 Ltd | Leamington Spa | 2017 |
| 112 Holdings Ltd | Glasgow | 2024 |
| 112-116 New Oxford Ltd | London | 2026 |
| 1124 Investments Limited | Beckenham | 2023 |
| 114 Capital Limited | London | 2020 |
| 114 Holdings Ltd | Team Valley, Gateshead | 2024 |
| 1151 Ventures Limited | Maidenhead | 2026 |
| 11531195 Ltd. | Manchester | 2018 |
| 116 Green White Brom 2018 Limited | London | 2018 |
| 117 Fenchurch Street Limited | London | 2018 |
| 118 BS Ltd | Wembley | 2024 |
| 118 Group Holdings Ltd | Sutton Coldfield | 2016 |
| 118 Group Investments Ltd. | Sutton Coldfield | 2016 |
| 118 HH Limited | Uckfield | 2015 |
| 118 Holdings Ltd | London | 2025 |
| 11892779 Limited | Cardiff | 2019 |
| 11998391 Ltd. | Manchester | 2019 |
| 11:11 Capital Limited | London | 2025 |
| 11:11 Enterprise Ltd | London | 2024 |
| 11:22 Holdco Ltd | London | 2025 |
| 11:FS Holdings Ltd | London | 2024 |