| 47 Brookshill RTM Company Limited | Households | 2024 |
| 49BC Ltd | Information & communication | 2012 |
| 4A & 4B Wellfield Limited | Households | 2015 |
| 4A Priory Road Limited | Real estate | 2019 |
| 4A Tailoring & Boutique Ltd | Wholesale & retail | 2021 |
| 4D Planning Services Ltd | Construction | 2024 |
| 4D Property Solutions Limited | Construction | 2010 |
| 4FRONT Fitness Limited | Arts & recreation | 2025 |
| 4FUN Group Ltd | Administrative & support | 2017 |
| 4LV Limited | Financial services | 2024 |
| 4MEC Limited | Information & communication | 2013 |
| 4S UK Homes Limited | Real estate | 2026 |
| 4TH Avenue Properties Ltd | Real estate | 2022 |
| 4VISION Multimedia Limited | Information & communication | 2022 |
| 5 & 6 Mill CT Freehold Limited | Real estate | 2023 |
| 5 Amersham Hill Holdings Limited | Real estate | 2015 |
| 5 Amersham Hill Trading Limited | Hospitality | 2015 |
| 5 Coningsby Road Freehold Limited | Real estate | 2015 |
| 5 DS Sookarry Investments Limited | Other services | 2023 |
| 52/54 Whitelands Road Management Company Limited | Households | 1990 |
| 54 Amersham Hill Management Company Ltd | Real estate | 2019 |
| 55 Hamid Limited | Real estate | 2017 |
| 56 Upper Green Street Ltd | Real estate | 2018 |
| 57 Advisory Ltd | Professional & scientific | 2025 |
| 58 Steele Road Residents Ltd | Households | 2020 |
| 5AM Films Ltd | Information & communication | 2018 |
| 5ARCHES Accounting Limited | Professional & scientific | 2012 |
| 5G Communications Limited | Information & communication | 1998 |
| 5G Digital Ltd | Professional & scientific | 2018 |
| 5G Limited | Extraterritorial | 2010 |
| 6 and 7 Wiggins Walk Limited | Households | 2021 |
| 6 Roberts Road Ltd | Households | 2025 |
| 64 West Wycombe Road Management Company Limited | Real estate | 1991 |
| 65 Priory Avenue Limited | Real estate | 2018 |
| 66-69 Windrush Court Management Limited | Administrative & support | 2012 |
| 7 Conegra Road RTM Company Limited | Households | 2011 |
| 7 Kennington Ltd | Wholesale & retail | 2025 |
| 7-9 Clarendon Road Limited | Extraterritorial | 2014 |
| 70 Booker Hill Road Limited | Households | 2018 |
| 70 Booker Hill Road Management Company Limited | Households | 1987 |
| 755 Residents Company Limited | Households | 2019 |
| 78 Solutions Ltd | Information & communication | 2014 |
| 784 Supplies Ltd | Wholesale & retail | 2019 |
| 7TH Avenue Commercial Interiors Ltd | Construction | 2024 |
| 8 Brooklyn Ltd | Households | 2022 |
| 8WINAIK Limited | Health & social care | 2017 |
| 9 to 5 Ltd | | 1998 |
| 90NIGHTSTUDIOS Ltd | Information & communication | 2025 |
| 999PRINT Ltd | Manufacturing | 2025 |
| @ UR EAZ Limited | Hospitality | 2018 |
| A & D Agricultural Contractors Ltd | Administrative & support | 2025 |
| A & D Dowdy (Holdings) Limited | Professional & scientific | 2016 |
| A & E Foster Limited | Other services | 2002 |
| A & M Refurbishment Limited | Construction | 2007 |
| A & M Textiles Limited | Wholesale & retail | 2015 |
| A and D Associates Ltd | Financial services | 2020 |
| A B Fowler London Ltd | Health & social care | 2018 |
| A B Still Limited | Professional & scientific | 2003 |
| A Best Taxis Limited | Transport & logistics | 2019 |
| A Brighter Path CIC | Health & social care | 2025 |
| A C Collectz Limited | Wholesale & retail | 2026 |
| A C Thompson Ltd | Information & communication | 2025 |
| A Cleaning High Wycombe Limited | Administrative & support | 2023 |
| A Cruickshank Ltd | Wholesale & retail | 2018 |
| A D Heating and GAS Ltd | Construction | 2017 |
| A Drive Limited | Transport & logistics | 2011 |
| A Ellis Tree Surgery Limited | Administrative & support | 2016 |
| A F J Consulting Ltd | Information & communication | 2009 |
| A Glastone Limited | Construction | 2017 |
| A I Dental Engineering Limited | Manufacturing | 2016 |
| A I Healthcare Limited | Manufacturing | 2007 |
| A J Digital Marketing Ltd | Professional & scientific | 2025 |
| A J Radford Building Services Limited | Construction | 2002 |
| A Lhomond Marketing Ltd | Professional & scientific | 2024 |
| A Little Leaf Ltd | Professional & scientific | 2024 |
| A LUX Services Limited | Transport & logistics | 2018 |
| A M B Joinery Ltd | Construction | 2014 |
| A N Z Styles Ltd | Manufacturing | 2016 |
| A R Models & Props Ltd | Arts & recreation | 2018 |
| A S Northern Limited | Education | 2013 |
| A Sahib Limited | Real estate | 2024 |
| A Smith Electrical Limited | Construction | 2007 |
| A Star Glazing Ltd | Construction | 2022 |
| A Star Minibuses Limited | Transport & logistics | 2016 |
| A Star Plumbing and Heating Limited | Other services | 2011 |
| A Sweet Investments Limited | Real estate | 2021 |
| A to Z Accounting and Bookkeeping Limited | Professional & scientific | 2017 |
| A to Z Packing Limited | Administrative & support | 2017 |
| A V W Electrical Services Limited | Professional & scientific | 2012 |
| A&A Accounting & Audit Services Ltd | Professional & scientific | 2024 |
| A&D Utilities Ltd | Construction | 2024 |
| A&E Homez Ltd | Real estate | 2023 |
| A&H Blinds (London) Limited | Manufacturing | 2023 |
| A&L Trading Bucks Ltd | Real estate | 2020 |
| A&M Accountants Ltd | Professional & scientific | 2015 |
| A&M Business Services Ltd | Professional & scientific | 2023 |
| A&N Tech Limited | Information & communication | 2016 |
| A&T Vape Avenue Ltd | Wholesale & retail | 2025 |
| A&U Property Investments Ltd | Real estate | 2016 |
| A-Maze-Ing Career Coach Limited | Other services | 2025 |