| Hackett O'Rourke Ltd | Administrative & support | 2022 |
| Hallowfield Limited | Transport & logistics | 2008 |
| Hampden Meadows Residents Management Company Limited | Households | 2023 |
| Hannah LEE Design Ltd | Administrative & support | 2023 |
| Harley & Baines Limited | Financial services | 2021 |
| Harrow Estates PLC | Construction | 2009 |
| Harry Llama Ltd | Professional & scientific | 2016 |
| Haulwen Ltd | Administrative & support | 2017 |
| HB (Cpts) Limited | Construction | 1972 |
| HB (EM) Limited | Construction | 1993 |
| HB (Estn) Limited | Construction | 2000 |
| HB (NW) Limited | Construction | 1974 |
| HB (WC) Limited | Construction | 2003 |
| HB (WX) Limited | Construction | 1985 |
| Helen M-L Drury Ltd | Administrative & support | 2018 |
| Hilbre Management Services Limited | Information & communication | 2019 |
| Hill Energy Ltd | Administrative & support | 2021 |
| Holy Island Developments Limited | Construction | 2018 |
| Horseshoe Property Search Ltd | Professional & scientific | 2017 |
| Hot and Cold Heating and Plumbing Services Limited | Construction | 2003 |
| Houghton Health Consultancy Ltd | Administrative & support | 2021 |
| Inclusive Rackets Limited | Arts & recreation | 2024 |
| Inclusive Rackets Pickleball Limited | Arts & recreation | 2025 |
| Influence Outcomes Ltd | Administrative & support | 2019 |
| Innovation Generation Limited | Administrative & support | 2021 |
| Inspiring Therapy Ltd | Administrative & support | 2020 |
| IPM Direct Ltd | Manufacturing | 2021 |
| J Hammond Ltd | Administrative & support | 2018 |
| J Winter Finance Ltd | Financial services | 2023 |
| JCM Management Limited | Professional & scientific | 2018 |
| JOB Hack Ltd | Professional & scientific | 2021 |
| Jurassic Plants Trading Limited | Agriculture & fishing | 2021 |
| KA Systems Ltd | Administrative & support | 2020 |
| Katalista Ltd | Professional & scientific | 2007 |
| Katherine Grove Consulting Ltd | Administrative & support | 2019 |
| Katie MAY Consulting Ltd | Administrative & support | 2023 |
| Kevin Brelsford Mechanical Services Ltd | Administrative & support | 2019 |
| Kleenwerks Ltd | Administrative & support | 2025 |
| Kulu Consulting Ltd | Administrative & support | 2021 |
| L Patel Consulting Ltd | Administrative & support | 2018 |
| Lambert PUB Ltd | Hospitality | 2018 |
| LD Construction Management Ltd | Administrative & support | 2018 |
| Leansprint Consulting Ltd | Professional & scientific | 2023 |
| Leeson Safety Consultancy Ltd | Health & social care | 2018 |
| Leva Property Limited | Real estate | 2025 |
| LIC Consultancy Ltd | Administrative & support | 2019 |
| Lins Urquhart Contracting Limited | Administrative & support | 2012 |
| LJ Lifting Services Ltd | Administrative & support | 2019 |
| Lucas Gardens Resident Management Company Limited | Households | 2020 |
| Luxburgh Ltd | Administrative & support | 2020 |
| M.R Data Migration Services Ltd | Administrative & support | 2023 |
| Matcom Europe Ltd | Administrative & support | 2022 |
| Matrix Office Park Management Company Limited | Households | 2006 |
| Matrix Park (Plot 3300) Management Company Limited | Households | 2006 |
| Matrix Park Management Company Limited | Households | 2003 |
| MAX Software Ltd | Information & communication | 2016 |
| Mayfield Open Space Management Ltd | Households | 2017 |
| Meadow Vale (Bradley Villa) Management Company Limited | Households | 2024 |
| Meadowbrook (Tattenhall) Management Company Limited | Households | 2017 |
| Medical Analytica Ltd | Wholesale & retail | 2020 |
| Meko Contracting Ltd | Administrative & support | 2019 |
| Mickleby Consulting Ltd | Professional & scientific | 2025 |
| Millfields (Hackbridge) Management Company Limited | Households | 2017 |
| Moneysupermarket.Com Investments Limited | Financial services | 2025 |
| Moneysupermarket.Com Ltd | Information & communication | 2000 |
| Mony Group Financial Holdings Limited | Financial services | 2012 |
| Mony Group Financial Limited | Information & communication | 1996 |
| Mony Group Holdings Limited | Extraterritorial | 2022 |
| Mony Group PLC | Professional & scientific | 2007 |
| Moss Healthcare Consultancy Ltd | Health & social care | 2022 |
| Nicolas Construction Engineering Limited | Construction | 2018 |
| North Wales Landscape Contractors Limited | Administrative & support | 1980 |
| North West Consultancy & Surveying Ltd | Professional & scientific | 2021 |
| One VIS Limited | Professional & scientific | 2014 |
| OS Jabs Ltd | Administrative & support | 2018 |
| Oxford Goldsmith Consulting Ltd | Administrative & support | 2023 |
| P11 Events Ltd | Administrative & support | 2023 |
| Paddleworks Courses Ltd | Extraterritorial | 2012 |
| Paddock Green (East Hoathly) Management Company Limited | Households | 2024 |
| Parc Coleg Management Company (Caerleon) Limited | Real estate | 2021 |
| Parc Elisabeth Management Company (Newport) Limited | Real estate | 2022 |
| Paul Boothby Ltd | Administrative & support | 2018 |
| PB Surveying Ltd | Administrative & support | 2022 |
| PB0311 Limited | Construction | 2011 |
| Pennine Grange Management Company Limited | Households | 2016 |
| Peter Lawrence Projects Ltd | Administrative & support | 2020 |
| Phil Whaling Ltd | Administrative & support | 2019 |
| PK Advisory Ltd | Professional & scientific | 2017 |
| PL GAS GL Limited | Administrative & support | 2020 |
| Platform Chemical Ltd | Professional & scientific | 2019 |
| PM Adcock Consultancy Ltd | Administrative & support | 2019 |
| Polden Orchard Management Company (Puriton) Limited | Real estate | 2023 |
| Poppy Fields (Rotherham) Management Company Limited | Households | 2022 |
| Pork Traders (Liverpool) Limited | Extraterritorial | 1954 |
| Poseidon OIL Ltd | Administrative & support | 2017 |
| Primrose Gardens Resident Management Company Limited | Households | 2023 |
| Propose This Ltd | Administrative & support | 2023 |
| Quantum Pacific Solutions Ltd | Administrative & support | 2021 |
| Quidco Limited | Information & communication | 2005 |
| R B Service and Repair Limited | Administrative & support | 2016 |