| 062 Lettings Ltd | Real estate | 2025 |
| 07490729 Ltd | | 2011 |
| 1 Stop Part Shop Ltd | Wholesale & retail | 2025 |
| 1-2-RENT Limited | Hospitality | 2023 |
| 1-TEK Ltd | Information & communication | 2021 |
| 10 Digits Limited | Extraterritorial | 2017 |
| 10 Rings Limited | Information & communication | 2012 |
| 10-14 High Street Slough Management Company Limited | Households | 2008 |
| 101INSPO Ltd | Wholesale & retail | 2025 |
| 10BOXX Ltd | Transport & logistics | 2022 |
| 119 Wightman Road Management Company Limited | Real estate | 2018 |
| 11:11 Connections Ltd | Real estate | 2019 |
| 121 Service Control Ltd | Administrative & support | 2026 |
| 128 Ordnance Road RTM Company Limited | Households | 2024 |
| 13 & 14 Myddelton Close Limited | Households | 2017 |
| 13 Vicarage Road, Leyton Limited | Households | 2003 |
| 13-15 Gentleman's ROW (Enfield) Management Co. Ltd. | Professional & scientific | 1994 |
| 131 High Street (Codicote) Management Limited | Households | 2021 |
| 13G Engineering Limited | Construction | 2014 |
| 13G Property Limited | Real estate | 2021 |
| 14 the Ridgeway Management Company Limited | Households | 1984 |
| 151MB Limited | Hospitality | 2024 |
| 157 Great North Way Ltd | Real estate | 2020 |
| 16 Northdown Avenue Ltd | Real estate | 2017 |
| 16 the Ridgeway (Enfield) Limited | Households | 2006 |
| 1601 Ventures Ltd | Health & social care | 2025 |
| 169 Mount View Road Ltd | Households | 2025 |
| 184 Lavender Hill RTM Company Ltd | Households | 2009 |
| 188 Kilburn High Road Limited | Households | 2019 |
| 19 Fyfield Road Management Ltd | Households | 2013 |
| 19 Holland Park (Freehold) Limited | Real estate | 2007 |
| 19YME Limited | Other services | 2011 |
| 1AO Sales Limited | Extraterritorial | 2024 |
| 1ST Class Meat Ltd | Wholesale & retail | 2024 |
| 1ST Construction (UK) Ltd | Real estate | 2001 |
| 1ST Emergency Response Ltd | Education | 2013 |
| 1ST Link Limited | Information & communication | 2017 |
| 2 AYM Limited | Real estate | 2025 |
| 2 Haslemere Ltd | Households | 2024 |
| 2 SEC Thinking Ltd | Professional & scientific | 2022 |
| 2 Sweet Occasions Ltd | Wholesale & retail | 2023 |
| 2 Way Solution Limited | Other services | 2019 |
| 20 Lambert Road Freehold Limited | Households | 2011 |
| 20TWENTYCLEANZ CIC | Administrative & support | 2025 |
| 21 Chase Green Management Limited | Households | 1980 |
| 21 Heene Road Enfield Limited | Professional & scientific | 1999 |
| 23 Jewellers Ltd | Manufacturing | 2025 |
| 241 Squires Lane Ltd | Households | 2024 |
| 243 Ballards Lane N3 Ltd | Households | 2025 |
| 24UNITY Support CIC | Health & social care | 2026 |
| 27 Boscombe Road Freehold Limited | Real estate | 2009 |
| 27 Nail Bar Limited | Other services | 2024 |
| 28 Maida Avenue Limited | Households | 1983 |
| 28-30 Lansdowne Road (Freehold) Limited | Households | 2014 |
| 2C'S Accounting Limited | Professional & scientific | 2025 |
| 2MA Plumbing and Heating Ltd | Construction | 2024 |
| 2ND Generation Construction Ltd | Construction | 2025 |
| 2PERCENTCARGO Ltd | Wholesale & retail | 2015 |
| 2STAR Property Ltd | Households | 2025 |
| 3 & 3A Millais Road (Freehold) Limited | Extraterritorial | 2012 |
| 3 Lions Catering Ltd | Wholesale & retail | 2015 |
| 300 Marketing & Communications Limited | Professional & scientific | 2018 |
| 300 Sparta Health and Fitness Limited | Arts & recreation | 2011 |
| 30C Alexandra Road Management Company Limited | Real estate | 2019 |
| 31 Armfield Road (Enfield) Management Company Limited | Professional & scientific | 2003 |
| 32 Southbury Road Freehold Limited | Households | 2018 |
| 33 Browning Road Freehold Limited | Real estate | 2024 |
| 33 Mersin Ltd | Hospitality | 2020 |
| 33 Recruitment Ltd | Administrative & support | 2018 |
| 34 Chatham Street Limited | Real estate | 2026 |
| 357 Couriers Ltd | Transport & logistics | 2015 |
| 360 Shutters and Blinds Ltd | Wholesale & retail | 2021 |
| 360 Vibes Ltd | Professional & scientific | 2025 |
| 360WAVEKNGZ Ltd | Wholesale & retail | 2022 |
| 365 Global Ltd | Wholesale & retail | 2023 |
| 38 Investments Limited | Wholesale & retail | 2020 |
| 3:16 Cross Country Limited | Transport & logistics | 2013 |
| 3D Interior Refurbishers Limited | Construction | 2015 |
| 3D Property Solutions Limited | Construction | 2011 |
| 3K Commerce Ltd | Wholesale & retail | 2025 |
| 3M Aries Investments Ltd | Real estate | 2025 |
| 3MJ Kemp Ltd | Real estate | 2021 |
| 3N Engineering & Consultancy Services Limited | Extraterritorial | 2016 |
| 3REN Ltd | Wholesale & retail | 2024 |
| 3T Catering Group Ltd | Manufacturing | 2023 |
| 3T Group Holdings Ltd | Wholesale & retail | 2022 |
| 3T Group Ltd | Administrative & support | 2016 |
| 4 Addison Crescent Limited | Households | 1998 |
| 4 Recruitment Services Ltd | Other services | 2007 |
| 46PW Ltd | Financial services | 2024 |
| 475 Kingsland Road Limited | Households | 2009 |
| 49A RTM Company Limited | Households | 2026 |
| 4DU Consulting Ltd | Information & communication | 2021 |
| 4GREEN Leaf Ltd | Hospitality | 2023 |
| 4M Cats Limited | Administrative & support | 2003 |
| 4UHEALTHANDSAFETY Limited | Administrative & support | 2009 |
| 4YOU Motorcycles Ltd | Wholesale & retail | 2025 |
| 5 Star Holdings Limited | Real estate | 2015 |
| 5 Star Nails Hinckley Limited | Other services | 2021 |
| 50 Orchard Road Limited | Real estate | 2026 |