| Heart Hospitality Ltd | Hospitality | 2025 |
| Heath END Stores Ltd | Wholesale & retail | 2019 |
| Heaton Farms Limited | Agriculture & fishing | 2009 |
| Helvellyn Holdings Limited | Financial services | 2018 |
| Helvellyn Properties Limited | Real estate | 1988 |
| Heritage Finishing Limited | Construction | 2018 |
| Hickary Ltd | Wholesale & retail | 2020 |
| High Hoes (2018) LLP | | 2018 |
| Hillcourt (Godalming) Limited | Households | 1986 |
| Hillgrove Timber Limited | Agriculture & fishing | 2018 |
| Hobo Interior Design Limited | Professional & scientific | 2024 |
| Holly Gate Management Company Limited | Households | 2005 |
| Home Business Management Limited | Real estate | 1999 |
| Horseberries Limited | Professional & scientific | 2003 |
| Hospitality Stock Ltd | Wholesale & retail | 2020 |
| House Clearance Service Ltd | Water & waste | 2024 |
| I.M.S. Holding Plus Limited | Administrative & support | 2018 |
| Imagination Time Ltd | Arts & recreation | 2020 |
| Imperium Heavy Metal UK Ltd | Arts & recreation | 2022 |
| IN Simple Terms Limited | Information & communication | 2015 |
| Innervalues Limited | Wholesale & retail | 2020 |
| Inval Electrical Ltd | Construction | 2016 |
| Inverleith Management Limited | Administrative & support | 2022 |
| Invincibili GT Limited | Administrative & support | 2019 |
| Ionian Estates and Villas Limited | Real estate | 2017 |
| Ipanema Consulting Limited | Information & communication | 1994 |
| Isibu Limited | Professional & scientific | 2021 |
| IVP Studios Limited | Professional & scientific | 2024 |
| J Blackwell Limited | Professional & scientific | 2002 |
| J Bracken Consultants Ltd | Other services | 2021 |
| Jack Hook Ltd | Hospitality | 2006 |
| Jack Lawrence Rural Contractors Limited | Construction | 2018 |
| James Maclaren Associates Limited | Professional & scientific | 2015 |
| Jamison Family Property Management LLP | | 2020 |
| Jane Green Limited | Extraterritorial | 2007 |
| Jedco-Uk Ltd | Professional & scientific | 2026 |
| JO Clevely Design Limited | Professional & scientific | 2011 |
| Joanna Hamlyn Interior Design Ltd | Professional & scientific | 2014 |
| Jones-Lloyd Design Ltd | Professional & scientific | 2025 |
| JT3 Ltd | Construction | 2021 |
| Julie Regan Coaching Ltd | Health & social care | 2021 |
| JV Catering Limited | Hospitality | 2000 |
| JW Treecare & Landscaping Ltd | Administrative & support | 2026 |
| K.R.Lucking Construction Limited | Construction | 2007 |
| Kaeros Ltd | Professional & scientific | 2022 |
| Kaighin Motor Company Limited | Wholesale & retail | 2014 |
| Keendale Limited | Construction | 1998 |
| Kevis House Ltd | Administrative & support | 2009 |
| Kgbg Limited | Wholesale & retail | 2019 |
| Kliker IT Services Ltd | Information & communication | 2012 |
| L.P.Service Stations Limited | Real estate | 1970 |
| L.P.W. Property Consultants Limited | Construction | 2009 |
| Ladycross Mews Residents Association Limited | Households | 1983 |
| Land & Forest Limited | Financial services | 2019 |
| Landev Limited | Professional & scientific | 2016 |
| Landman Machinery Ltd | Manufacturing | 2020 |
| Landman Tree Services Ltd | Agriculture & fishing | 2024 |
| Larkfield Agriculture Limited | Agriculture & fishing | 2014 |
| Laura Sherlock PR Limited | Information & communication | 2013 |
| Leahomes Limited | Real estate | 1993 |
| Leconfield Estate Company (the) | Real estate | 1969 |
| Leconfield Farms Limited | Agriculture & fishing | 1972 |
| Leconfield Management Limited | Real estate | 2024 |
| Leven RYE Ltd | Wholesale & retail | 2024 |
| Lily Night Rider Limited | Professional & scientific | 2017 |
| Link Car Repairs Limited | Wholesale & retail | 2003 |
| Link Hire & Sales Limited | Administrative & support | 1995 |
| Link Scaffolding (Southern) Limited | Construction | 1999 |
| Linkwood Solutions Limited | Information & communication | 2007 |
| Little Red Petworth Ltd | Wholesale & retail | 2024 |
| Local and Wild Amberley Ltd | Hospitality | 2025 |
| Local and Wild Chelsea Ltd | Hospitality | 2020 |
| Local and Wild Wimbledon Ltd | Hospitality | 2022 |
| Lodsworth House Tennis Court & Swimming Pool Limited | Financial services | 2021 |
| London Handel Baroque Orchestra Limited | Arts & recreation | 2017 |
| Long Term Land Limited | Construction | 2016 |
| Louisbourg Ventures Ltd | Information & communication | 2022 |
| Lowquest Limited | Professional & scientific | 1988 |
| Lucking Brothers South Limited | Construction | 2018 |
| Lucking Developments Limited | Construction | 1986 |
| Lucking Group Limited | Professional & scientific | 1991 |
| Lucy T PR Ltd | Professional & scientific | 2015 |
| Lurbeck Properties Limited | Real estate | 1999 |
| Lurgashall Recreation Association | Arts & recreation | 2012 |
| Lynwood Management Limited | Administrative & support | 1997 |
| M C Club Limited | Administrative & support | 2024 |
| Macey Building Products Ltd | Manufacturing | 2019 |
| Mafdet Ltd | Construction | 2025 |
| Making Moves and Movies CIC | Education | 2025 |
| Manhattan Creative Ltd | Arts & recreation | 2021 |
| Maple (205) Limited | Households | 2003 |
| Marquee Nation Ltd | Arts & recreation | 2020 |
| MAY Edwards Limited | Construction | 2019 |
| Maybury Bond Limited | Education | 2013 |
| Mclaren Coform Limited | Extraterritorial | 2002 |
| Mclarens Accountants Limited | Professional & scientific | 2014 |
| Meadow & Manor Ltd | Construction | 2026 |
| Measure Success Ltd | Professional & scientific | 2015 |
| Meek Sports Consultants Ltd | Administrative & support | 2024 |
| Metageist Ltd | Arts & recreation | 2021 |