| Fleetwood Holdings Limited | Real estate | 1989 |
| Fleetwood Homes Limited | Construction | 2004 |
| Folyjon Investments Limited | Real estate | 2020 |
| Fudfomo Ltd | Information & communication | 2025 |
| Fusion Fire and Security Systems Ltd | Construction | 2018 |
| GBA Engineering and Construction Limited | Mining & quarrying | 1997 |
| Glasscubes Limited | Administrative & support | 2013 |
| Glenmore-Hane Group Limited | Manufacturing | 2014 |
| Goavant.Uk Limited | Information & communication | 2016 |
| Grayson Group Ltd | Other services | 2017 |
| Hahahouse Ltd | Arts & recreation | 2017 |
| Hajra Property Services Ltd | Households | 2021 |
| Hamilton International Estates Ltd | Real estate | 2017 |
| Hancox Refurbishments Ltd | Construction | 2019 |
| Hand of Hope Homecare Services Ltd | Health & social care | 2020 |
| Handy Help Ltd | Health & social care | 2007 |
| Hartsays Ltd | Wholesale & retail | 2024 |
| Hench Gear Nutrition Limited | Wholesale & retail | 2018 |
| Hepburn & Gale Ltd | Manufacturing | 2015 |
| Hepburn Gale and Ross Limited | Other services | 2023 |
| Hepburn Gale Limited | Other services | 2022 |
| Hermanor Limited | Professional & scientific | 2025 |
| Hickman Properties Limited | Households | 2001 |
| Hitcham Ayrshires Limited | Manufacturing | 2007 |
| Hitchambury Homes Limited | Real estate | 1995 |
| HJG Construction Ltd | Manufacturing | 2022 |
| HOME4U Drylining Services Ltd | Construction | 2014 |
| Hung UP Limited | Wholesale & retail | 2015 |
| Ikan Projects Limited | Construction | 2012 |
| Insure FIX Limited | Construction | 2024 |
| International Peshmerga Volunteers Limited | Administrative & support | 2018 |
| Intuity Communications Limited | Information & communication | 2005 |
| Iron Platform Services Ltd | Administrative & support | 2010 |
| J&F Wickwar Limited | Manufacturing | 2018 |
| Jasmine Supported Living Ltd | Health & social care | 2021 |
| Jervis Holdings Limited | Construction | 2025 |
| John Peck & SON Limited | Manufacturing | 2018 |
| Johnson Holdings (Maidenhead) Limited | Real estate | 1967 |
| K Q Print Consultancy Limited | Manufacturing | 2009 |
| Kate Mcenery Limited | Arts & recreation | 2013 |
| Kevin Nash Group Limited | Wholesale & retail | 1992 |
| Kexmill Limited | Hospitality | 2015 |
| Layman Limited | Real estate | 2000 |
| Leivan Property Holdings Co Limited | Real estate | 2022 |
| Lifesci Advisors Ltd | Professional & scientific | 2020 |
| Lifted Fitness Limited | Other services | 2017 |
| Liquid History Tours Limited | Administrative & support | 2016 |
| Locked in Music Limited | Information & communication | 2017 |
| Locks by Lianne Limited | Other services | 2023 |
| Lucy and Phil Limited | Construction | 2024 |
| Lumenant Ltd | Professional & scientific | 2022 |
| M Sheers Limited | Construction | 2022 |
| M.A.S Electrical Contractors Ltd | Construction | 2024 |
| Maakrish Limited | Professional & scientific | 2010 |
| Mandeville Recruitment Group Limited | Administrative & support | 2013 |
| Mandeville Retail Limited | Administrative & support | 2007 |
| Manor Grange Care Home LLP | | 2016 |
| Marshwood Farm Limited | Agriculture & fishing | 2009 |
| Mash (Timber Street) Limited | Real estate | 2014 |
| Mash Alpha Ltd | Financial services | 2014 |
| Mash Beta Ltd | Financial services | 2014 |
| Mash Holdings Limited | Other services | 2009 |
| Mash Holdings Topco Limited | Other services | 2023 |
| Mash Miami Topco Limited | Other services | 2023 |
| Mash Services Limited | Administrative & support | 2015 |
| Mcgrove Developments Limited | Construction | 2014 |
| Mcgrove Developments Topco Limited | Other services | 2023 |
| Micklefield Opportunity Centre Ltd | Health & social care | 2024 |
| Mike Henry Limited | Construction | 2010 |
| Mini Rainbows Limited | Health & social care | 2015 |
| Minibar (UK) Limited | Wholesale & retail | 1985 |
| Misraproperties Ltd | Real estate | 2024 |
| MK Builders and Landscaping Ltd | Construction | 2024 |
| MK Housing Limited | Real estate | 2015 |
| MMI Partners Ltd | Real estate | 2020 |
| Mont Digital Ltd | Information & communication | 2017 |
| Murrayfield Care LLP | | 2014 |
| My Cleanerhub Ltd | Information & communication | 2025 |
| N.E. FX Limited | Information & communication | 2019 |
| Naina LDN Ltd | Information & communication | 2020 |
| Nash Tackle Limited | Manufacturing | 1985 |
| Neatstone Limited | Construction | 1979 |
| Nikwood Accounts Ltd | Professional & scientific | 2024 |
| NO Looking Back Solutions Limited | Administrative & support | 2014 |
| Nomad Plan Limited | Other services | 2021 |
| Noodle Nation Limited | Hospitality | 2007 |
| O a Industries Limited | Information & communication | 2014 |
| Opdenergy UK 1 Limited | Energy | 2020 |
| Opdenergy UK 2 Limited | Energy | 2020 |
| Opdenergy UK 3 Limited | Energy | 2020 |
| Opdenergy UK 4 Limited | Energy | 2020 |
| Opdenergy UK 5 Limited | Energy | 2020 |
| Opdenergy UK 6 Limited | Energy | 2020 |
| Opdenergy UK 7 Limited | Energy | 2021 |
| Opdenergy UK 8 Limited | Energy | 2021 |
| Orchard Gate Developments Limited | Construction | 1993 |
| Origin Care Ltd | Administrative & support | 2022 |
| Otter Tech Limited | Other services | 2024 |
| P.T.R. Associates Limited | Information & communication | 1989 |
| PAD Consulting Ltd | Administrative & support | 2023 |