| Fairfax Dental Equipments Limited | Extraterritorial | 2020 |
| Fairfax Medical Products Limited | Manufacturing | 1975 |
| Fairfield Pension Trustees Limited | Financial services | 1997 |
| Fairlight 28 Limited | Construction | 2026 |
| Faith in Action Merton Homelessness Project | Hospitality | 2002 |
| FC Global Business Travel Service Limited | Administrative & support | 2017 |
| Felix CAP Ltd | Administrative & support | 2023 |
| Fernedge Group Limited (the) | | 1970 |
| FH Wimbledon Ltd | Hospitality | 2019 |
| Firebird Bars Limited | Hospitality | 2017 |
| Firstdoor Advisors Ltd | Professional & scientific | 2026 |
| Fish on the Green Ltd | Extraterritorial | 2024 |
| Fit Boys Ltd | Real estate | 2017 |
| Fleet Technologies UK Ltd | Administrative & support | 2023 |
| Flint DC Limited | Administrative & support | 2024 |
| Florence Road (Wimbledon) Residents Association Limited | Households | 1981 |
| Food Division (London) Limited | Hospitality | 2025 |
| Forever DRY Roofing Ltd | Construction | 2025 |
| Forever Living Care Limited | Health & social care | 2023 |
| Foxley Place Management Company Ltd | Households | 2023 |
| Francis Hunter Limited | Administrative & support | 2009 |
| Franco Shopfitters Ltd | Construction | 2024 |
| Frankiegaff Ltd | Professional & scientific | 2018 |
| Freight Customs Clearance Ltd | Transport & logistics | 2026 |
| Fryday Chippy Limited | Hospitality | 2025 |
| Fuentes Care Services Limited | Health & social care | 2014 |
| Fulham Primary Care Ltd | Health & social care | 2026 |
| Fullacko Holdings Ltd | Financial services | 2021 |
| Functional Savage Ltd | Wholesale & retail | 2018 |
| FW Corporate Services Ltd | Professional & scientific | 2019 |
| G P B Properties Limited | Real estate | 2013 |
| Galvani Consulting Ltd | Professional & scientific | 2020 |
| Garden Gate Boutique Limited | Wholesale & retail | 2013 |
| Gardshol Enterprises Limited | Wholesale & retail | 2006 |
| Garibaldi Consulting Ltd | Administrative & support | 2023 |
| GBL Recruitment Limited | Administrative & support | 2026 |
| Gbtax Ltd | Professional & scientific | 2025 |
| GDS Bikes Limited | Manufacturing | 2025 |
| Gebathal Investments Ltd | Real estate | 2021 |
| Gems Property Management Services Ltd | Real estate | 2019 |
| Geomodelling Services Limited | Mining & quarrying | 1997 |
| GH1560 Limited | Real estate | 2024 |
| Giano Partners Limited | Information & communication | 2026 |
| Gift Republic Limited | Wholesale & retail | 2006 |
| GKM Medical Limited | Other services | 2017 |
| Gkss Limited | Wholesale & retail | 2015 |
| Glass House Realty Limited | Real estate | 2021 |
| Global Footwear Solutions Ltd | Wholesale & retail | 2020 |
| Global Quality Associates Ltd | Professional & scientific | 2018 |
| Glynrosa Limited | Extraterritorial | 2009 |
| Golfing Vision Limited | Wholesale & retail | 2001 |
| Good Tennis Coaching Limited | Arts & recreation | 2025 |
| Goodfx Ltd | Financial services | 2020 |
| Gravina Engineering Consultancy Limited | Administrative & support | 2016 |
| Green Gems & Tech Ltd | Professional & scientific | 2012 |
| Groupo LOS Digitalis Ltd | Information & communication | 2019 |
| Gsiq Tourism Insights Limited | Professional & scientific | 2025 |
| H & C Surveyors Limited | Professional & scientific | 2014 |
| Haemoscience UK Limited | Professional & scientific | 2008 |
| Hakeem Ltd | Information & communication | 2019 |
| Halos Properties Limited | Real estate | 2022 |
| Happy Kids Dental Wimbledon Limited | Health & social care | 2025 |
| Haptic House Ltd. | Arts & recreation | 2015 |
| Harmony Massage & Beauty Ltd | Other services | 2024 |
| Harnham Europe Limited | Administrative & support | 2016 |
| Harnham Group Limited | Financial services | 2015 |
| Harnham Search and Selection Limited | Administrative & support | 2006 |
| Harris Reeds Limited | Manufacturing | 1994 |
| Harshiya Limited | Professional & scientific | 2017 |
| Hartley Fowler LLP | | 2005 |
| Harvey Law Group (UK) Limited | Professional & scientific | 1988 |
| Hazelwood Consulting Ltd | Professional & scientific | 2024 |
| Healthy LOS Digitalis Ltd | Information & communication | 2019 |
| Heimdall London Ltd | Arts & recreation | 2017 |
| Helicity Limited | Financial services | 2021 |
| Helioseo Limited | Professional & scientific | 2024 |
| Hennik Group Limited | Professional & scientific | 2014 |
| Hennik Research Limited | Information & communication | 2007 |
| Heritage Developments London Ltd | Real estate | 2024 |
| Herne Ridge Limited | Information & communication | 2009 |
| HFH Complex Care Limited | Financial services | 2016 |
| Hilbro Surgical UK Limited | Manufacturing | 2023 |
| Hill Rise (Wimbledon) Residents Association, Limited | Real estate | 1983 |
| Hillcourt Residents Association (Wimbledon) Limited | Households | 1979 |
| HL SW19 Ltd | Real estate | 2022 |
| Hoban Design Ltd | Professional & scientific | 2014 |
| Holly Lodge (Wimbledon) Management Limited | Households | 1973 |
| Home of Property Investment Ltd | Real estate | 2021 |
| Homely Chicken Ltd | Hospitality | 2019 |
| Homeshare Experts CIC | Health & social care | 2019 |
| House Extension Shop Ltd | Construction | 2018 |
| House Rabbit Property Limited | Real estate | 2019 |
| Human Sphere Limited | Professional & scientific | 2022 |
| HUW Zachariah Limited | Professional & scientific | 2020 |
| Hyperwire Limited | Other services | 2015 |
| Icobus Limited | Administrative & support | 2008 |
| Icon Solutions (IPF) Limited | Information & communication | 2016 |
| Ignite Prime Bidco Limited | Financial services | 2024 |
| Ignite Prime Midco Limited | Financial services | 2024 |
| Ignite Prime Noteco Limited | Financial services | 2024 |