| Indie Cindy Limited | Other services | 2013 |
| Inspired Investing Limited | Financial services | 2002 |
| Itsquad Partners Ltd | Information & communication | 2018 |
| Ivanov Ltd | Health & social care | 2018 |
| IVI Services Limited | Construction | 2006 |
| IVY Cleaning Agency Ltd | Administrative & support | 2019 |
| Jatla Consultancy Services Ltd | Information & communication | 2022 |
| Jaytech Ltd | Other services | 2004 |
| Jeyan Enterprise Ltd | Financial services | 2021 |
| Joint Venture Properties Limited | Real estate | 2013 |
| JU Global Medservices Ltd | Professional & scientific | 2020 |
| KAAN2021 Ltd | Manufacturing | 2021 |
| KGS Builders Limited | Construction | 2015 |
| KM Building Ltd | Other services | 2015 |
| KUB Solutions Ltd | Construction | 2020 |
| KVA Solutions Ltd | Information & communication | 2015 |
| Lamington London Ltd | Wholesale & retail | 2016 |
| Layters Communication Consultants Ltd | Administrative & support | 2016 |
| Leveloak Developments Limited | Construction | 1972 |
| Logicroft Limited | Other services | 2010 |
| Lolla Consulting Ltd | Information & communication | 2015 |
| Looplyx Ltd | Wholesale & retail | 2025 |
| Lusian Expo Ltd | Construction | 2018 |
| Luxur Watches Ltd | Wholesale & retail | 2023 |
| LY Interiors Ltd | Construction | 2020 |
| M J Brosnan Limited | Transport & logistics | 2004 |
| M&N Constructor Ltd | Construction | 2016 |
| Mablin Properties Limited | Real estate | 2015 |
| Maincase Limited | Real estate | 1995 |
| Marble Walls England Ltd | Real estate | 2022 |
| Marble Walls London LLP | | 2021 |
| Marble Walls Ltd | Information & communication | 2019 |
| Maria ANA Ltd | Construction | 2022 |
| Markos Multytraders Ltd | Construction | 2012 |
| Mayforce Construction Limited | Construction | 2009 |
| Melany Ltd | Construction | 2016 |
| Mepi Ltd | Construction | 2019 |
| MG International Trade Ltd | Wholesale & retail | 2014 |
| Mgeegan Family Limited Partnership | | 2013 |
| Michris Ltd | Professional & scientific | 2015 |
| Mimi 63 Ltd | Other services | 2012 |
| Morritt Homes Limited | Construction | 1949 |
| Morritt Properties (UK) Limited | Construction | 1959 |
| Morritt Properties International Limited | Construction | 1956 |
| Mortgage Quest Ltd | Financial services | 2004 |
| MR Contract Services Limited | Construction | 2024 |
| MSN Estates Ltd | Real estate | 2018 |
| MSN Holdings Ltd | Construction | 2018 |
| MVL Consulting Limited | Information & communication | 2010 |
| MWM Building Ltd | Construction | 2023 |
| N9 Industries Limited | Wholesale & retail | 2009 |
| NASKO63 Ltd | Construction | 2022 |
| Natural Concept Ltd | Wholesale & retail | 2002 |
| Netsuke Limited | Administrative & support | 2021 |
| Nevabi Trans & Clean Ltd | Transport & logistics | 2016 |
| Nevrokop Transport Ltd | Administrative & support | 2016 |
| NICE26 Ltd | Other services | 2022 |
| NIK Ltd | Transport & logistics | 2015 |
| Nove Solida Ltd | Professional & scientific | 2018 |
| NS Commercial Ltd | Administrative & support | 2023 |
| Nyss Ltd | Financial services | 2015 |
| P J Clarke Consulting Ltd | Professional & scientific | 2016 |
| P.G.R Couriers Ltd | Transport & logistics | 2017 |
| Pandita Ltd | Professional & scientific | 2015 |
| Pcdo Ltd | Administrative & support | 2024 |
| PDM Cleaning Ltd | Administrative & support | 2023 |
| Peakdale Services Ltd | Professional & scientific | 2019 |
| Person Centred Care Homes Limited | Health & social care | 2003 |
| PJA Davis Consulting Limited | Professional & scientific | 2016 |
| Plutonium Software Limited | Information & communication | 2014 |
| Premier Short Stay Limited | Real estate | 2024 |
| Prima Properties Ltd | Real estate | 2019 |
| R.A.G. Cleaners Ltd | Administrative & support | 2018 |
| Rabbyt Cables Ltd | Administrative & support | 2017 |
| Rainbows Childcare Hatch END Ltd | Health & social care | 2019 |
| RC Contractors Ltd | Construction | 2019 |
| Reclaim the Right Ltd. | Other services | 2006 |
| Redmill Ridge Ltd | Professional & scientific | 2016 |
| RG Mortgages Limited | Financial services | 2017 |
| RH Floor Sanding Ltd | Construction | 2024 |
| Richard Beeching Consulting Services Ltd | Information & communication | 2019 |
| Rimm Systems Limited | Information & communication | 2019 |
| Roseford Properties Limited | Real estate | 1963 |
| Roshclose Limited | Construction | 1972 |
| RSD Consultants Ltd | Financial services | 2013 |
| Runway 24/7 IP Limited | Other services | 2014 |
| Ruth Shaw Ltd | Professional & scientific | 2025 |
| S&D Technology Ltd | Information & communication | 2022 |
| Samani Investments LLP | | 2011 |
| Sambel Ltd | Information & communication | 2016 |
| Sanchi Corp Limited | Wholesale & retail | 2016 |
| Savov Ltd | Transport & logistics | 2023 |
| SAW Contractors Ltd | Construction | 2020 |
| SD Cleaning Ltd | Administrative & support | 2019 |
| Shield Design Limited | Construction | 2021 |
| Shield High Cross Ltd | Real estate | 2022 |
| Shield Homes Limited | Real estate | 1998 |
| Shield New Homes Limited | Construction | 2021 |
| Sidra Homes LLP | | 2024 |
| SK Consult LLC Limited | Wholesale & retail | 2020 |