| 16 Belsize Avenue Limited | Households | 1991 |
| 16 Belsize Park Gardens Limited | Households | 2005 |
| ALL About the Numbers Ltd | Professional & scientific | 2023 |
| ALL Home Care Limited | Health & social care | 2015 |
| Andy Engineering Ltd | Professional & scientific | 2023 |
| Ashridge Automobiles Limited | Administrative & support | 2005 |
| Bluebik UK Ltd | Information & communication | 2022 |
| Brand Victor Limited | Information & communication | 2015 |
| Buckingham Blue Limited | Professional & scientific | 2025 |
| Charles Elliott Sculpture Ltd | Arts & recreation | 2022 |
| Chiltern Classic Cars Ltd | Wholesale & retail | 2018 |
| David Williams Properties Limited | Construction | 1976 |
| DJ Cleary Construction Ltd | Construction | 2018 |
| Dream Plot Ltd | Real estate | 2024 |
| Elgin Property (Daventry) Ltd | Construction | 2021 |
| Elgin Property (Stow Longa) Ltd | Construction | 2019 |
| Elgin Property Limited | Construction | 2018 |
| Gorhambury Game and Shoot Limited | Agriculture & fishing | 2016 |
| Grovefield Investment Properties Limited | Real estate | 2017 |
| Hazelwood Homes Developments Limited | Construction | 2016 |
| HB General Builders Ltd | Professional & scientific | 2020 |
| Hollingdon Equestrian Ltd | Agriculture & fishing | 2026 |
| JB Bailiff Services Ltd | Professional & scientific | 2022 |
| Kayaks Direct Ltd | Wholesale & retail | 2021 |
| Kieran Astridge Cars Ltd | Wholesale & retail | 2026 |
| Kroeger Ltd | Administrative & support | 2020 |
| MK Glazing Services Ltd | Construction | 2018 |
| One IS One Limited | Arts & recreation | 2021 |
| Orchid Berkhamsted Ltd | Real estate | 2024 |
| Page Lacquer Company Capital Ltd | Financial services | 2023 |
| Redwoodproperties (Croxley Green) Ltd | Construction | 2024 |
| REE Care Limited | Health & social care | 2020 |
| Revived Ltd | Other services | 2013 |
| Rustic Garden Art Ltd | Arts & recreation | 2023 |
| T&A Toilets Ltd | Administrative & support | 2022 |
| THE Voluntary Initiative Community Interest Company | Agriculture & fishing | 2009 |
| Transformatical Limited | Information & communication | 2019 |
| WE ARE PI Limited | Professional & scientific | 2018 |
| Wibo Estates Limited | Real estate | 2021 |