| 2W Holdings Solihull Limited | Birmingham | 2017 |
| 2WG Holdings Ltd | March | 2025 |
| 2WILD Holdings Limited | Manchester | 2025 |
| 2X Ignite Limited | London | 2024 |
| 2X4B Limited | Loanhead | 2023 |
| 2XL Commercial Finance Ltd | Stoke-On-Trent | 2008 |
| 2XL Holdings Ltd | Bristol | 2021 |
| 2XQ Capital Ltd | Canterbury | 2021 |
| 2YC Holdings Limited | High Wycombe, | 2020 |
| 3 a Leisure Group Limited | Coventry | 2014 |
| 3 AEC Limited | Grays | 2024 |
| 3 Angels Capital Limited | Wolverhampton | 2023 |
| 3 Ball Holdings Ltd | Gloucester | 2021 |
| 3 C Services Group Limited | Morpeth | 2025 |
| 3 CCI | Milton Keynes | 2021 |
| 3 Days Holding Limited | London | 2024 |
| 3 Dimensional Insurance Ltd | High Wycombe | 2011 |
| 3 Dodd Enterprises Ltd | London | 2023 |
| 3 Dorrits Investments Limited | Salisbury | 2014 |
| 3 Free Hippies Ltd | Richmond Up-On Thames | 2025 |
| 3 GEN Holdings Ltd | Ferndown | 2019 |
| 3 Horizons Holdings Limited | Borehamwood | 2025 |
| 3 Interior Holdings Limited | Newry | 2018 |
| 3 Jays Group Limited | Derby | 2024 |
| 3 Jesters Holdings Limited | Birmingham | 2025 |
| 3 L C Holdings Limited | Gillingham | 2020 |
| 3 Leaf Capital Limited | London | 2023 |
| 3 Lions Holdings Ltd | Wellingborough | 2021 |
| 3 MLK Limited | Bradford | 2025 |
| 3 Mortgages Ltd | Uxbridge | 2023 |
| 3 Options Ltd | Lichfield | 2025 |
| 3 Penta Court Limited | Borehamwood | 2007 |
| 3 Picton Place Limited | London | 2015 |
| 3 Pillar Holdings Limited | London | 2025 |
| 3 Pillars Seafood Limited | Plymouth | 2020 |
| 3 Property Investments Limited | Blaydon-On-Tyne | 2022 |
| 3 Red Groups Limited | London | 2025 |
| 3 Releases Limited | Wolverhampton | 2026 |
| 3 Sigma Financial Solutions Ltd | Hamilton | 2024 |
| 3 Sinha's Investments Ltd | Manchester | 2020 |
| 3 Sister's Investment Group Ltd | Birmingham | 2025 |
| 3 Sisters Ventures Collective Ltd | London | 2023 |
| 3 Sixti Ltd | London | 2003 |
| 3 Speed Holdings Limited | Braintree | 2017 |
| 3 Spires Compliance Consultancy Limited | Lichfield | 2022 |
| 3 Step Finance Ltd | Stockport | 2007 |
| 3 Stones Group Ltd | Crawley | 2025 |
| 3 Villiers Road Limited | London | 2005 |
| 3 Vista Limited | Poole | 2012 |
| 3 W Equity Ltd | Leeds | 2018 |
| 3 WIN Holdings Limited | Long Eaton | 2019 |
| 3-27 Wilcox Road Holding Limited | London | 2023 |
| 3-6 Trevor Close RTM Company Limited | Harrow | 2021 |
| 3-6-9-13 Dragons Ltd | London | 2021 |
| 3-GRAM Limited | Surrey | 2011 |
| 30 Degree Capital Ltd | London | 2022 |
| 30 Glebe Road Ltd | London | 2016 |
| 30 Grosvenor Restaurant Limited | London | 2023 |
| 30 Gunterstone Road Management Limited | London | 2013 |
| 30 Minories Hub Investorco Limited | London | 2025 |
| 30 Percent Club IP Co. Limited | London | 2022 |
| 30 Steps Ltd | London | 2025 |
| 30 Technology Limited | London | 2022 |
| 30 Uplands Crescent Limited | Swansea | 2020 |
| 30 Years Limited | Hartlepool | 2018 |
| 3021 Holdings Limited | Wigan | 2025 |
| 303 Holdings Ltd | Leicester | 2026 |
| 303 Solutions Limited | Bradford | 2019 |
| 304 Green Holdings Limited | Sheffield | 2019 |
| 305 Investments (London) Ltd | Dunstable | 2024 |
| 30860 Holdings Ltd | Crowborough | 2019 |
| 30A Woodlands Park Ltd | Watford | 2023 |
| 30CS Ltd | London | 2017 |
| 31 Group Holdings Ltd | Bexhill-On-Sea | 2022 |
| 31 Woodlands Park Ltd | Watford | 2023 |
| 31-33 Teddington Estates Limited | Leicester | 2026 |
| 310 CSP Holdings Limited | London | 2021 |
| 310 CSP Limited | London | 2021 |
| 311 Holdings Limited | Northwood Hills | 2025 |
| 311 Trading Ltd | Letchworth | 2020 |
| 311 Ventures Ltd. | London | 2017 |
| 313 Commercial Ltd | Durham | 2020 |
| 313 Group Ltd | Fordingbridge | 2024 |
| 313 Ventures Ltd | Southall | 2026 |
| 316 Latimer Ltd | Uxbridge | 2018 |
| 3186 Ltd | London | 2023 |
| 31SJP Investments Limited | Cheltenham | 2010 |
| 31TEN Holdings Limited | London | 2021 |
| 31X Capital Ltd | London | 2026 |
| 32 Dreams Limited | Twickenham | 2022 |
| 32 Holdings Limited | Bristol | 2023 |
| 32 Idmiston Road (Freehold) Limited | London | 2025 |
| 32 Squared Protect Ltd | Bristol | 2019 |
| 321 Capital Limited | Harrow | 2020 |
| 321 Holdings Limited | Farnborough | 2016 |
| 327W Ltd | Skipton | 2026 |
| 32JL Holdings Ltd | London | 2025 |
| 32T Limited | Alresford | 2007 |
| 33 Albert Street Limited | Leicester | 2022 |
| 33 AM Limited | Poulton-Le-Fylde | 2026 |