| Maxinity Software Limited | Information & communication | 2003 |
| Maxwell Hope Limited | Real estate | 2018 |
| Mayfair A&R Ltd | Information & communication | 2016 |
| Mayfair Art Limited | Other services | 2006 |
| Mayfair Consolidated Limited | Professional & scientific | 2016 |
| Mayfair Corporate Management Limited | Administrative & support | 2004 |
| Mayfair Fiduciary Limited | Administrative & support | 2022 |
| Mayfair HIP Flask Society | Administrative & support | 2022 |
| Mayfair International Advisory LLP | | 2016 |
| Mayfair Records Limited | Information & communication | 2016 |
| Mayfair Rock Publishing Ltd | Extraterritorial | 2014 |
| Mayfair Trust Management Limited | Administrative & support | 2004 |
| Mayfair Trustees Limited | Administrative & support | 2004 |
| Mayfair Wines Ltd | Wholesale & retail | 2022 |
| MC First Ltd | Real estate | 2025 |
| Megan Dennis Golf Limited | Arts & recreation | 2024 |
| Midwest Timber & Plywood Limited | | 1985 |
| Mission Impossible Couriers Limited | Transport & logistics | 2002 |
| Moai Wealth Limited | Financial services | 1998 |
| MPC CZ Limited | Professional & scientific | 2004 |
| Netley House Clifton Limited | Households | 1983 |
| New Horizon Employment Limited | Professional & scientific | 2004 |
| Notts GAS and Electrical Limited | Construction | 2024 |
| Nova Property Development Limited | Administrative & support | 2021 |
| Nskd Windows Limited | Construction | 2009 |
| Nuit SAN Thirc Limited | Real estate | 2013 |
| Oakfield Mansions Management Company Limited | Households | 1980 |
| Olive Leaf Health & Homecare Limited | Health & social care | 2014 |
| Omada Consulting Limited | Professional & scientific | 2003 |
| Orpheus Manufacturing Limited | Manufacturing | 2023 |
| Osborne View Holdings Limited | Households | 2016 |
| Pembroke Education Limited | Education | 2026 |
| Pembroke Mansions (Clifton) Management Limited | Households | 1982 |
| Penleigh Flats (Bristol) Limited | Households | 1963 |
| Pereger Limited | Real estate | 2010 |
| Phillips & Young Financial Management Limited | | 1988 |
| Pilot Fundraising Consultants Limited | Professional & scientific | 2000 |
| Praxis Advisory International Limited | Administrative & support | 2026 |
| Precision Rams Limited | Manufacturing | 1974 |
| Prestige Auto Services Limited | Wholesale & retail | 2007 |
| Primrose Cafe Ltd | Administrative & support | 2011 |
| Productivity Resources Limited | Professional & scientific | 2002 |
| Property Services & Solutions Ltd | Real estate | 2010 |
| Public Works (Bristol) Limited | | 1971 |
| Queen Elizabeth's Hospital | Education | 2004 |
| RAM Tinto Associates Ltd | Other services | 2000 |
| Real Business Networking Ltd | Administrative & support | 2008 |
| Red Flame Consultancy Limited | Professional & scientific | 2013 |
| Red Oak Capital Limited | Information & communication | 2022 |
| Redrock Consulting Limited | Information & communication | 2005 |
| RH Infrastructure Ltd | Construction | 2015 |
| Richard North Limited | Information & communication | 2007 |
| RIN Hamburgh & Co Limited | Information & communication | 2017 |
| Riverglade & Associates | | 1999 |
| Royal York Crescent Property Company Limited(The) | Real estate | 1962 |
| Rubrics Projects Limited | Real estate | 2022 |
| Safe Industries Ltd | Administrative & support | 2011 |
| Samphire Brighton & Hove CIC | Administrative & support | 2020 |
| Saro Property Investments Limited | Financial services | 2022 |
| Scopara Limited | Wholesale & retail | 2025 |
| SDD Construction Ltd | Construction | 2022 |
| Senderos (UK) Limited | Professional & scientific | 2014 |
| Serenade Holdings Limited | Financial services | 2020 |
| Sherbet Fountain Ltd | Other services | 2001 |
| SHY Mimosa RP (Import) Limited | Administrative & support | 2021 |
| Sige Ltd | Professional & scientific | 2011 |
| Silverbourne Services Limited | Information & communication | 1998 |
| Silverstone Trading Co. Limited | Professional & scientific | 1982 |
| Skyblue Venture Limited | Construction | 2011 |
| Skywall Moon Ltd | Wholesale & retail | 2023 |
| Smithfield House (RDS) Limited | Professional & scientific | 1954 |
| Snap Investments Limited | Construction | 2022 |
| South Western Computer Services Limited | | 1987 |
| Sparrowhawk Aviation Ltd | Extraterritorial | 2022 |
| Spec Projects Limited | Construction | 2018 |
| Spin City Aerial Fitness Ltd | Real estate | 2010 |
| ST Congar's Place Management Company Limited | Households | 2022 |
| Staart UK Ltd | Wholesale & retail | 2025 |
| Steve Mears Limited | Financial services | 2007 |
| Stride Treglown Plymouth | Professional & scientific | 1981 |
| Summit Services (Bristol) Limited | Construction | 2017 |
| Sunshine Honey Limited | Manufacturing | 2013 |
| Surbey Photographers Ltd | Professional & scientific | 1998 |
| Surrey Health Ltd | Health & social care | 2025 |
| Swift Tree Surgery Ltd | Agriculture & fishing | 2023 |
| Swiftmile Limited | Wholesale & retail | 2013 |
| Synerg-X Ltd | Professional & scientific | 2008 |
| Taylor Maxwell Timber Limited | Wholesale & retail | 1977 |
| Taylor,Maxwell & Co.Limited | Wholesale & retail | 1950 |
| THE Bybrook Trust | Agriculture & fishing | 1999 |
| THE Clifton Dispensary Management Company Limited | Households | 2000 |
| THE London & Bristol Club Limited | Other services | 2020 |
| THE London Education & Art Foundation | Education | 2021 |
| THE Malvern Property Limited | Real estate | 2010 |
| THE Mark Collective Ltd | Information & communication | 2020 |
| THE Requirement List Limited | Professional & scientific | 2015 |
| THE Vobster Cast Stone Company Limited | Manufacturing | 1965 |
| THE WIG & PEN Club (International) Limited | Other services | 2020 |
| THE WIG & PEN Club Limited | Other services | 2022 |
| Tolwall Limited | Professional & scientific | 1989 |