| THE Hummingbird Group Limited | Wholesale & retail | 2020 |
| THE Hunters and Weavers Management Company Limited | Households | 2015 |
| THE Huntington Rise Management Company Limited | Households | 1987 |
| THE Hussey Foundation | Health & social care | 2016 |
| THE HUT Garden Ltd | Administrative & support | 2016 |
| THE Imaan Trust Ltd | Health & social care | 2012 |
| THE Internet Technical Bookshop Limited | Information & communication | 1996 |
| THE Italian Corner Ltd | Hospitality | 2025 |
| THE JAM Factory (Block D) RTM Company Limited | Households | 2019 |
| THE John Kobal Foundation | Professional & scientific | 1992 |
| THE Jolly Fryer (Leicester) Limited | Hospitality | 2008 |
| THE Jubilee Place (Fallowfield) Management Company Limited | Households | 2002 |
| THE Junction (Residents Property Management) Limited | Households | 2005 |
| THE Justice Pursuit Initiative Ltd | Information & communication | 2025 |
| THE Kelly Partnership Limited | Administrative & support | 2015 |
| THE Kenjo Collective Limited | Information & communication | 2025 |
| THE Kent OWL Academy Ltd | Education | 2016 |
| THE Kind Vibe Ltd | Professional & scientific | 2025 |
| THE Kingsley Gate Residents Company Limited | Households | 1992 |
| THE Kiosks (PVT) Ltd | Wholesale & retail | 2025 |
| THE Kiswa Company Ltd | Wholesale & retail | 2022 |
| THE Kitchen Wraysbury Limited | Hospitality | 2024 |
| THE Knightsbridge and Mayfair London Company Limited | Other services | 2022 |
| THE Ladybuggs Ltd | Education | 2022 |
| THE Lakes (Heybridge) Management Company Limited | Households | 2007 |
| THE Lakeside Residents Association Limited | Households | 2002 |
| THE Lamp Factory Ltd | Manufacturing | 2009 |
| THE Lanai Group Limited | Construction | 2020 |
| THE Lapsley Management Company Limited | Households | 2006 |
| THE Laser Room Coventry Ltd | Other services | 2010 |
| THE Laurels School Limited | Education | 2013 |
| THE Lazy Collective Ltd | Professional & scientific | 2024 |
| THE Light and Light Ventures Limited | Manufacturing | 2019 |
| THE Light House Residents Company Limited | Households | 2002 |
| THE Light House RTM Company Ltd | Households | 2012 |
| THE Lime Group Management Limited | Professional & scientific | 2023 |
| THE Limes Manco Limited | Real estate | 2021 |
| THE Linden Quarter Residents Management Company Limited | Households | 2007 |
| THE Lindridge Management Company Limited | Households | 2002 |
| THE Lions Society C.I.C. | Education | 2018 |
| THE Listening Works Limited | Health & social care | 2026 |
| THE Little Cricks Ltd | Hospitality | 2024 |
| THE Little Pepper Tree Ltd | Wholesale & retail | 2025 |
| THE Little White Rooms Limited | Other services | 2018 |
| THE Live Entertainment Group Limited | Professional & scientific | 2024 |
| THE Locke Close Residents Association Limited | Households | 1989 |
| THE Locker Room LDN Ltd | Other services | 2024 |
| THE Locksmiths Shop Ltd | Wholesale & retail | 2016 |
| THE London Auditory Processing & Hearing Centre Limited | Health & social care | 2025 |
| THE London City Family Assessment Centre Ltd | Health & social care | 2022 |
| THE London Designer Forum Limited | Administrative & support | 2012 |
| THE London Fine Dining Company Ltd | Hospitality | 2025 |
| THE London Garden Co. Ltd | Professional & scientific | 2025 |
| THE London Glass Factory Ltd | Extraterritorial | 2006 |
| THE London Salad Company Ltd | Wholesale & retail | 2022 |
| THE London Vape Company Ltd | Wholesale & retail | 2014 |
| THE Long Lane Group Limited | Real estate | 2023 |
| THE Longhouse Production Ltd | Information & communication | 2022 |
| THE Loveloud Project Ltd | Other services | 2017 |
| THE Ludoquist Limited | Wholesale & retail | 2016 |
| THE Magdalen RTM Company Limited | Households | 2023 |
| THE Malting Management Company Limited | Households | 2002 |
| THE Maltings (Castlethorpe) Residents Company Limited | Real estate | 2013 |
| THE Maltings 4 Management Company (Isleworth) Limited | Households | 1995 |
| THE Maltsters Residents Limited | Households | 2000 |
| THE Marina Heights Management Company Limited | Households | 1998 |
| THE Marsh Road Management Company Limited | Households | 1990 |
| THE Meadows (Shermanbury) Management Ltd | Households | 2020 |
| THE Meads (Frampton Cotterell) Management Company Limited | Households | 2011 |
| THE Medical Company of London Limited | Health & social care | 2014 |
| THE Medical League Ltd | Financial services | 2021 |
| THE Medusa Project Franchise Limited | Health & social care | 2024 |
| THE Medusa Project Limited | Health & social care | 2015 |
| THE Mehari Property Co Ltd | Real estate | 2025 |
| THE Melanin Box Ltd | Wholesale & retail | 2019 |
| THE Merchants Mews Wellesbourne Management Company Limited | Households | 1999 |
| THE Meridian Court Tenants' Company Ltd. | Households | 1993 |
| THE Meridian Residents Management Company Limited | Households | 2003 |
| THE Metalworks London Management Company Limited | Households | 2017 |
| THE Mill (Bingley) RTM Company Limited | Households | 2020 |
| THE Mill (Polegate) Management Company Limited | Households | 2012 |
| THE Mill at Springfield Management Company Limited | Households | 2018 |
| THE Mill Furniture & Joinery Ltd | Manufacturing | 2024 |
| THE Mill, Dunley Close Management Company Limited | Households | 2006 |
| THE Million Dots Limited | Information & communication | 2009 |
| THE Minster Schools' Children's Club | Other services | 2001 |
| THE Mission Building Management Limited | Households | 1997 |
| THE Momentum Investment Group Ltd | Real estate | 2017 |
| THE Mortgage Tailor Limited | Financial services | 2005 |
| THE Multifleet Limited | Transport & logistics | 2020 |
| THE Music Box Enterprises Ltd | Real estate | 2020 |
| THE Nest Croydon Ltd | Health & social care | 2025 |
| THE Nest Lounge Limited | Hospitality | 2019 |
| THE New Market's Face Ltd | Wholesale & retail | 2018 |
| THE News Rack (Shirley) Ltd | Wholesale & retail | 2025 |
| THE Nightingales (Bristol) Management Company Limited | Households | 2010 |
| THE Nishe Company Ltd | Hospitality | 2021 |
| THE Oaklands (Atherton) Management Company Limited | Households | 2006 |
| THE Oaks Barns Management Ltd | Households | 2019 |
| THE Oaks Management Company (Ashford) Limited | Households | 2002 |