| Garden Vets Holdings Limited | Professional & scientific | 2019 |
| Gate Energy Limited | Professional & scientific | 2015 |
| Gate Property Limited | Real estate | 2022 |
| Gemdex Ltd | Administrative & support | 2018 |
| Geshem TOV Ltd | Financial services | 2022 |
| Getta Litho Limited | Manufacturing | 2000 |
| GJM Pharma Consulting Limited | Administrative & support | 2012 |
| Glevum Consulting Limited | Professional & scientific | 2003 |
| Golf and Events (Sunbury) LLP | | 2006 |
| Grace Isabella Ltd | Manufacturing | 2024 |
| Grandson Gillies Property Limited | Real estate | 2025 |
| Granville Investment Properties LLP | | 2018 |
| Grayden Limited | Professional & scientific | 2018 |
| Gregoire Equities Limited | Other services | 2009 |
| Greshams Independent Financial Advisors Limited | Financial services | 2009 |
| Greypoint Capital Ltd | Information & communication | 2020 |
| Gumpins Limited | Information & communication | 2019 |
| H B (London) Limited | Construction | 1988 |
| Hamshaw Limited | Professional & scientific | 2004 |
| Hart Home Interiors Limited | Wholesale & retail | 2011 |
| Haskins Designs Ltd | Professional & scientific | 2020 |
| Hazell Holland Limited | Real estate | 2024 |
| Helen Breeze Block Management Ltd | Real estate | 2021 |
| HHB Holdings Limited | Financial services | 2022 |
| HHM Associates Ltd | Real estate | 2025 |
| Highfield Residents Association Limited | Households | 1980 |
| Hilary Breeze Property Management Limited | Real estate | 2004 |
| Hillside Estate Management Limited | Administrative & support | 2017 |
| Holiday Drop OFF Ltd | Health & social care | 2012 |
| Horning Hall LLP | | 2007 |
| Hotel Organic Limited | Wholesale & retail | 2014 |
| HRC Facilities Ltd | Real estate | 2000 |
| Hunter Gatherer Business Development Ltd | Professional & scientific | 2020 |
| I C Technical Services Limited | Information & communication | 2009 |
| IKS Roofing & Cladding Limited | Administrative & support | 2013 |
| Imberger Consultancy Ltd | Real estate | 2020 |
| Impact AID Limited | Education | 2022 |
| Inari FX Limited | Financial services | 2024 |
| Incremetric Ltd | Professional & scientific | 2018 |
| Integual Ltd | Information & communication | 2019 |
| Interiors & Style Design Ltd | Professional & scientific | 2025 |
| Invelocity Solutions Limited | Information & communication | 2024 |
| Ironstone Veterinary Clinic Ltd | Professional & scientific | 2024 |
| Istarian Limited | Information & communication | 2025 |
| Ives Shutters Limited | Administrative & support | 2019 |
| J & D Paper Sales Limited | Administrative & support | 2018 |
| J C Landscapes Limited | Administrative & support | 2007 |
| J Coxedge Limited | Wholesale & retail | 2004 |
| Jack Frost Pet & Country Store LLP | | 2026 |
| Jack Tomalin Limited | Administrative & support | 2011 |
| James Williamson Photographer Ltd | Other services | 2009 |
| James Winsor Construction Limited | Administrative & support | 2014 |
| Jane Fish Management Consultancy Limited | Professional & scientific | 2014 |
| Jays Security Limited | Administrative & support | 2011 |
| JBS Executive Transfers Limited | Transport & logistics | 2025 |
| JBS Hvac Division Ltd | Professional & scientific | 2013 |
| JBS London Limited | Construction | 2013 |
| JGH Sales & Marketing Consultancy Ltd | Wholesale & retail | 2021 |
| JIM Richards LLP | | 2006 |
| JIM Richards Trading Limited | Professional & scientific | 2006 |
| John Francis MEP Ltd | Professional & scientific | 2018 |
| Joint Security Services Limited | Administrative & support | 2014 |
| JS Capital Trading Limited | Financial services | 2018 |
| Just Heroics Investments Ltd | Administrative & support | 2017 |
| JW Rope Access Ltd | Construction | 2010 |
| K.Sheth Smile Services Ltd | Health & social care | 2021 |
| Kadavil Krafts Limited | Wholesale & retail | 2023 |
| Karen Marsh Property Ltd | Households | 2022 |
| Katj Holdings Limited | Financial services | 2026 |
| Key Zone Traders Limited | Education | 2021 |
| Kingsview Developments Limited | Real estate | 1995 |
| Kinsley Creations Ltd | Arts & recreation | 2025 |
| KJ Futures Limited | Other services | 2009 |
| KJ2 Futures LLP | | 2009 |
| Kmss Investments LLP | | 2012 |
| Knex Architectural Ironmongery Limited | Wholesale & retail | 2010 |
| Knowle Countryside Developments Limited | Construction | 2022 |
| Kondor Management LLP | | 2009 |
| Kondor Trading Ltd | Administrative & support | 2005 |
| Kosh Capital Management Ltd | Administrative & support | 2014 |
| Langtry's Nightclub Limited | Administrative & support | 1997 |
| Lark 01 Limited | Real estate | 2026 |
| Lark North Limited | Real estate | 2026 |
| Laurence Filby Trading Limited | Administrative & support | 2008 |
| Leaselevel Property Management Limited | Households | 1998 |
| LH Companies Limited | Financial services | 2018 |
| Lifepool Ltd | Arts & recreation | 2018 |
| Lily Brokers Ltd | Administrative & support | 2021 |
| LKM Finance LLP | | 2013 |
| Lolli's Bromley Limited | Wholesale & retail | 2014 |
| London Borough Brickworks Limited | Construction | 2009 |
| Londonsuper Living LLP | | 2024 |
| Lonsdale Estates Ltd | Real estate | 1987 |
| Lumos Electrical Kent Ltd | Construction | 2024 |
| Lusco Building and Renovation Limited | Administrative & support | 2016 |
| M J Read A4G Accountants Limited | Professional & scientific | 2012 |
| M Shirley Trading Ltd | Administrative & support | 2005 |
| M&J London 2005 Ltd | Extraterritorial | 2017 |
| Mangoem Capital Limited | Financial services | 2022 |
| Martin Heating & Plumbing Limited | Construction | 2009 |