| 17 York Road Freehold Limited | Households | 2021 |
| 20 Glossop Road RTM Company Limited | Households | 2020 |
| 24HR Personal Training Limited | Health & social care | 2017 |
| 33 Purley Oaks Management Company Limited | Households | 2007 |
| A & R Care Limited | Health & social care | 2012 |
| Alexander International Land Banking Limited | Real estate | 2006 |
| ALL Property Holdings Ltd | Real estate | 2021 |
| AM Investments Group Limited | Financial services | 2025 |
| Angel Decoration Ltd | Construction | 2017 |
| Brightline Communications Limited | Construction | 2009 |
| Carl Rosner Automobiles Limited | Wholesale & retail | 1976 |
| Cassoma Properties LLP | | 2020 |
| Cmbc Investments Limited | Real estate | 2023 |
| Copithorne Homes Limited | Construction | 2000 |
| Demolish the Wall Limited | Professional & scientific | 2017 |
| ELM Park Building Services Limited | Construction | 2010 |
| Empowered Properties Ltd | Real estate | 2022 |
| Feel at Home Properties Ltd | Construction | 2021 |
| Fmls Consulting Ltd | Real estate | 2015 |
| Focused Fostering Service Limited | Health & social care | 2001 |
| Golden Lion Penge Limited | Administrative & support | 2011 |
| Hutchings Capital Limited | Financial services | 2023 |
| Jabs Flooring Limited | Construction | 2004 |
| Jacqueline Jenkins Ltd | Education | 2010 |
| JJK Advisory Ltd | Information & communication | 2025 |
| Kaapi Investments Croydon Limited | Construction | 2020 |
| KDS Property Ltd | Real estate | 2019 |
| Key Mail Order Ltd | Wholesale & retail | 2018 |
| Khanum Estate Ltd | Real estate | 2018 |
| Kktc Limited | Professional & scientific | 2009 |
| Kostanti Ltd | Construction | 2019 |
| Lakeland Fells Holiday Homes Ltd | Hospitality | 2022 |
| Love Estate Ltd | Real estate | 2017 |
| M J Cannon Limited | Construction | 2011 |
| Marshall Close Maintenance Company Limited | Real estate | 2004 |
| Mayfair Capital Assets Ltd | Construction | 2018 |
| Mayfair Digital Assets Ltd | Information & communication | 2018 |
| Mfws Consulting Limited | Professional & scientific | 2014 |
| NHG Group Limited | Financial services | 2021 |
| Noble Carpentry & Building Ltd | Construction | 2021 |
| O'Brien Contracts Ltd | Construction | 2004 |
| Opsel Limited | Professional & scientific | 2013 |
| OYO Homes Ltd | Hospitality | 2017 |
| P.R.G. Consulting Limited | Information & communication | 1998 |
| P.R.W. Machinery Limited | Manufacturing | 1982 |
| Penwortham Road (Sanderstead) LTC Limited | Real estate | 1962 |
| Porkchop Design Limited | Administrative & support | 2014 |
| PRW Recycling Machines Limited | Extraterritorial | 2009 |
| RM Health Ltd | Education | 2020 |
| Sunnydale Freehold Limited | Real estate | 2011 |
| TFM Consultancy Ltd | Education | 2023 |
| Transcendz Ltd | Education | 2016 |
| Vision Productions Ltd | Information & communication | 2023 |
| Woodlea Land & Development Limited | Construction | 2024 |
| X-Nails Ltd | Other services | 2024 |