| 29 Thurlow Park Road RTM Company Limited | Real estate | 2009 |
| Accountica Ltd | Professional & scientific | 2020 |
| Acrobat Talent Ltd | Extraterritorial | 2025 |
| Adelaide Investments Ltd | Professional & scientific | 2002 |
| Adgc Ltd | Professional & scientific | 2012 |
| Anand Investments Group Ltd | Financial services | 2014 |
| AND Smile Ltd | Wholesale & retail | 2017 |
| Basegear Residents Association Limited | Households | 1983 |
| BCH Legal Services Limited | Other services | 2009 |
| Bokisto Ltd | Health & social care | 2022 |
| Brinkworth Place Residents Limited | Administrative & support | 1991 |
| Caney Birch Ltd | Construction | 1995 |
| Carding Mill Limited | Financial services | 2022 |
| Chem Force One Limited | Professional & scientific | 2021 |
| Child Licences Ltd | Administrative & support | 2022 |
| Cobol-It Limited | Information & communication | 2011 |
| D&H Engineering Consultancy Limited | Professional & scientific | 2014 |
| Dspr Construction Limited | Construction | 2021 |
| EIGHT47 Ltd | Professional & scientific | 2018 |
| Evergreen Products London Ltd | Real estate | 2011 |
| Freighthelm Ltd | Wholesale & retail | 2026 |
| French Brothers (Holdings) Limited | Financial services | 2011 |
| French Brothers Limited | Transport & logistics | 1989 |
| Front ROW Retail Ltd | Wholesale & retail | 2025 |
| Governcheck Limited | Extraterritorial | 1996 |
| Guli Communications Ltd | Information & communication | 2011 |
| H2 Housing Ltd | Real estate | 2020 |
| Home Counties (Surrey) Ltd | Real estate | 2019 |
| Island Life Investments Ltd | Real estate | 2023 |
| Jamiesullivantv Ltd | Information & communication | 2026 |
| Kraken Digital Ltd | Information & communication | 2012 |
| KRP International Freight Limited | Transport & logistics | 2014 |
| Learn English Academy Limited | Education | 2026 |
| Linksbridge Limited | Professional & scientific | 2014 |
| Little Dower House Events Limited | Hospitality | 2020 |
| Medium Systems Software International Limited | Information & communication | 2013 |
| Modillion Plasterwork Limited | Construction | 2021 |
| Monisha Ferguson and Co Ltd | Other services | 2017 |
| Old Windsor Carnival Ltd. | Arts & recreation | 2016 |
| OW Fish & Chips Limited | Hospitality | 2022 |
| Perfetti Van Melle - PVM UK Limited | Wholesale & retail | 2024 |
| Plaster Mouldings Direct Limited | Administrative & support | 2007 |
| Practical Bathing Limited | Wholesale & retail | 2005 |
| Prestige Interiors Ltd | Wholesale & retail | 2025 |
| Process Control Innovative Solutions Pcis Ltd | Professional & scientific | 2012 |
| Punto Restaurant and Take-Away Service Ltd | Wholesale & retail | 2021 |
| S.H.O.W. Management Company Limited | Households | 1983 |
| Shaw Leasing Group Ltd | Real estate | 2024 |
| Silcress Limited | Other services | 2001 |
| Simply Tutored Ltd | Education | 2015 |
| Smartly Smart Limited | Information & communication | 2011 |
| ST. John's Beaumont Development Company Limited | Education | 1997 |
| Sterling Leisure (Thames Valley) Limited | Arts & recreation | 2012 |
| Steven Lawrence Limited | Information & communication | 2010 |
| Sure Secure Ltd | Administrative & support | 2010 |
| TAKE1 Executive Cars Ltd | Transport & logistics | 2020 |
| Teachly Limited | Education | 2026 |
| THE GAP Club Limited | Health & social care | 2013 |
| Three Sixty Analytics Ltd | Information & communication | 2017 |
| Tranquil (Berkshire) Limited | Other services | 2017 |
| Trianon UK Ltd | Administrative & support | 2025 |
| Two Toucans Ltd | Information & communication | 2018 |
| Unique Property and Landscaping Limited | Administrative & support | 2025 |
| Warmed UP! Heating Ltd | Construction | 2019 |
| White Hermitage (Residents) Limited | Administrative & support | 1975 |
| Windsor Renovations Ltd | Construction | 2023 |