| Helftone Limited | Information & communication | 2012 |
| Helioreno Ltd | Real estate | 2026 |
| Heliovolt Holdings Ltd | Financial services | 2025 |
| Henderson Recruitment Services Limited | Administrative & support | 2022 |
| Henrietta Atkins Consulting Limited | Administrative & support | 2011 |
| Hickmans Court Management Company Limited | Real estate | 2008 |
| Hilary Knight Food & Drink Ltd | Hospitality | 2011 |
| Hillsea Highways Ltd | Construction | 2003 |
| Hillside Corporate Governance Services Limited | Administrative & support | 2022 |
| Hole and Davigdor Energy Ltd | Extraterritorial | 2012 |
| Holos Form Limited | Professional & scientific | 2009 |
| Horatio House RTM Company Limited | Households | 2014 |
| Hump IT Lump IT Dump IT Ltd | Water & waste | 2021 |
| IGG Executive Transfer Limited | Transport & logistics | 2008 |
| IGS Fencing Limited | Construction | 2007 |
| Infigo Health Care Education Limited | Education | 2012 |
| IP Independent Limited | Transport & logistics | 2016 |
| Iris Connect Ltd | Professional & scientific | 2007 |
| Jade Executive Travel Limited | Transport & logistics | 2012 |
| James Wilkins Utilities Ltd | Professional & scientific | 2007 |
| JC Mortgage Consultancy Limited | Financial services | 2016 |
| JHT Heating Limited | Construction | 2014 |
| Jolyon Moss & Company Ltd. | Professional & scientific | 1994 |
| Jonathan Fogden Limited | Financial services | 2010 |
| JP Physiotherapy Associates Limited | Health & social care | 2022 |
| JPA Commercial Properties Limited | Real estate | 2022 |
| JRC Vehicle Repairs Ltd | Wholesale & retail | 2010 |
| Julia E Knight Limited | Health & social care | 2011 |
| Julie Kuyath Ltd | Professional & scientific | 2019 |
| JWM Installations Limited | Construction | 2025 |
| Kablamo Music Ltd | Information & communication | 2020 |
| Kate O'Hearn Ltd. | Arts & recreation | 2015 |
| KB and Associates Ltd | Professional & scientific | 2016 |
| Kennedy Street Productions Ltd. | Arts & recreation | 2011 |
| Kentmere Cottages Limited | Other services | 2020 |
| Kenya Data Company Ltd | Professional & scientific | 2014 |
| KFX Tech Ltd | Information & communication | 2014 |
| KJR Prose Consultancy Ltd | Information & communication | 2019 |
| KJS Construct Ltd | Construction | 2009 |
| Knowledgescope Limited | Education | 2008 |
| L. Devine and Company Limited | Construction | 2001 |
| Larchmont Productions Limited | Information & communication | 2009 |
| Lean Business Processes Limited | Professional & scientific | 2010 |
| LEO Property Services Limited | Hospitality | 2023 |
| Letscarey LLP | | 2017 |
| Lewes Crescent Mews Residents Company Limited | Households | 1999 |
| Lexical Computing Limited | Information & communication | 2003 |
| LF Acquisitions Ltd | Construction | 2026 |
| LGM Nutrition Limited | Health & social care | 2009 |
| Linkground Residents Management Limited | Households | 1988 |
| Lion Electrics Limited | Construction | 2008 |
| Little MAN Pictures Ltd | Information & communication | 2010 |
| London & ST. Petersburgh Properties Ltd. | Real estate | 2017 |
| Long Life Wall Coating Limited | Construction | 2012 |
| Luxe Hair Limited | Other services | 2003 |
| M Brown Developments Limited | Construction | 2021 |
| M.C.N.W. Properties Limited | Real estate | 1990 |
| Mako Hair Design Limited | Other services | 2001 |
| Mansionvilla Limited | Households | 1980 |
| Maple Lodge RTM Company Limited | Households | 2011 |
| Mark Webb Decorating Limited | Construction | 2008 |
| Martin Smith Learning and Development Ltd | Administrative & support | 2011 |
| Mavcor Limited | Wholesale & retail | 2020 |
| Mayfair Electrical Limited | Construction | 2001 |
| MB Commodity Corner Limited | Information & communication | 2012 |
| Mcgregor Boyall Associates (Contracts) Limited | Extraterritorial | 1989 |
| Mcgregor Boyall Associates Limited | Administrative & support | 1987 |
| Mcgregor Boyall Consulting Limited | Extraterritorial | 2011 |
| Mcgregor Boyall Contracts Limited | Extraterritorial | 2001 |
| Mcgregor Boyall International Limited | Extraterritorial | 2018 |
| Meeting House Property Ltd | Extraterritorial | 2011 |
| Mercury Data Limited | Professional & scientific | 1980 |
| Michael Reed & Co Limited | Administrative & support | 2012 |
| Mike Norris Limited | Information & communication | 2010 |
| Mikkelsen Investments Limited | Financial services | 2012 |
| Mill Green Management Co. Limited | Households | 1980 |
| Mirah Building Services Design Limited | Construction | 2019 |
| Moneytree Flat Management Limited | Households | 1991 |
| Montgomery Motors Ltd | Wholesale & retail | 2000 |
| Mrvince Ltd | Professional & scientific | 2018 |
| Mulbuild Limited | Households | 1989 |
| Mule Studio Ltd | Professional & scientific | 2014 |
| Mumford Investments Limited | Real estate | 2012 |
| Natural PR Limited | Professional & scientific | 2007 |
| Natural Public Relations Limited | Extraterritorial | 2007 |
| Nevill House (164/165) Marine Parade Limited | Households | 1999 |
| New ERA Consulting Services Limited | Wholesale & retail | 1984 |
| Newton Court Residents Association Limited | Real estate | 1967 |
| NO.123 New Church Road Hove Limited | Households | 1971 |
| Number 5 Property Company Limited | Households | 1986 |
| Number Eleven Devon Limited | Real estate | 2023 |
| Offington Assets Ltd | Extraterritorial | 2012 |
| Old Lady Productions Ltd | Extraterritorial | 2024 |
| Option Technology Solutions Limited | Information & communication | 2014 |
| Outcome Holdings Limited | Financial services | 2021 |
| Outcome Ventures Limited | Real estate | 2021 |
| P & P Car & Camper Sales Ltd | Wholesale & retail | 2005 |
| P J R Services Limited | Professional & scientific | 1992 |
| PAGE2SCREEN Films Ltd | Information & communication | 2016 |
| Park Mansions Company Limited | Households | 1994 |