| Frobisher Estates Ltd | Hospitality | 1999 |
| Fruit Growers Alianza Limited | Wholesale & retail | 2009 |
| G S Properties (Fenland) Ltd | Real estate | 2019 |
| G.& J.Peck Limited | Wholesale & retail | 1916 |
| G.&J. Peck Trustee Limited | Financial services | 2022 |
| G.L. Profiles Ltd | Manufacturing | 1997 |
| Gilly Todd Interiors Ltd | Professional & scientific | 2026 |
| Giltspur Capital Limited | Other services | 2006 |
| Giltspur LEX Limited | Other services | 2013 |
| Giltspur Services Limited | Other services | 2016 |
| Giltspur Trading Group Limited | Other services | 2013 |
| Glass Rite Solutions Limited | Construction | 2017 |
| GLE Structurals Ltd | Construction | 2012 |
| Global Car Parts Ltd | Wholesale & retail | 2024 |
| Goldin Motor Services Ltd | Wholesale & retail | 2022 |
| Gomerta Ltd | Wholesale & retail | 2013 |
| Gough's Party Supplies Ltd | Wholesale & retail | 2025 |
| Graham Garage Ltd | Wholesale & retail | 2011 |
| Graham Global Services Limited | Construction | 2018 |
| Graham's Construction and Electrical Engineering Ltd | Construction | 2014 |
| Graves & Graves Investments Limited | Other services | 1986 |
| Greenhouse Rushden Ltd | Construction | 2022 |
| Greenshoots Limited | Agriculture & fishing | 2003 |
| Gripol Ltd | Manufacturing | 2023 |
| Ground Screws East Anglia Limited | Administrative & support | 2014 |
| H Austwick (Lead & Copper Roofing) Limited | Construction | 2002 |
| Halsbury Court Management Limited | Households | 2006 |
| Hambleden Herbs Limited | Wholesale & retail | 2012 |
| Haus of Jean Ltd | Professional & scientific | 2026 |
| Heartbeat Home for Horses Limited | Agriculture & fishing | 2004 |
| Hearts at Home Homecare Limited | Health & social care | 2018 |
| Hello Teams Ltd | Information & communication | 2022 |
| Heritage 4X4 Limited | Wholesale & retail | 2009 |
| Heritage, Culture & Community (HCC) Projects CIC | Education | 2020 |
| High Street Chatteris Management Limited | Real estate | 2015 |
| Hills Transport Services Ltd | Transport & logistics | 2025 |
| Horbatiuk Ltd | Transport & logistics | 2025 |
| Horseway Energy Ltd | Energy | 2014 |
| Horseway Holdings Limited | Agriculture & fishing | 2012 |
| HR Ready Ltd | Professional & scientific | 2017 |
| Huskie Fire and Security Ltd | Construction | 2023 |
| Hydra Consulting (London) Limited | Education | 2015 |
| Ifex Structurals Limited | Manufacturing | 2003 |
| IN School Sports Limited | Arts & recreation | 2008 |
| Incrementi Ltd | Professional & scientific | 2014 |
| Ingatrans Ltd | Transport & logistics | 2025 |
| Inspire Property Management (Cambs) Ltd | Real estate | 2024 |
| Istvan Tyres Limited | Wholesale & retail | 2026 |
| J Cook Professional Painting & Decorating Limited | Construction | 2022 |
| J T Chambers (Developments) Limited | Construction | 2005 |
| J9 Solutions (UK) Limited | Information & communication | 2002 |
| James Fuller & SON Limited | Administrative & support | 2010 |
| James Mills & Co Limited | Wholesale & retail | 2013 |
| JDS Claims Consulting Ltd | Financial services | 2025 |
| JG Next Generation CIC | Arts & recreation | 2019 |
| JIG Master Services Ltd | Transport & logistics | 2016 |
| JMC Accountancy Limited | Professional & scientific | 2014 |
| JON Grant Limited | Information & communication | 2013 |
| Jones Fundraising Solutions Limited | Information & communication | 2025 |
| Jordan Gill Ltd | Arts & recreation | 2019 |
| JPC Cleaning Solutions Ltd | Administrative & support | 2016 |
| JRM Ceramics Limited | Construction | 2009 |
| Jseymour Designs Ltd | Professional & scientific | 2023 |
| K.Plb Limited | Transport & logistics | 2023 |
| KAV Investments (Fenland) Ltd | Financial services | 2026 |
| Kerek EGY Esztendo Hungarian Cultural and Activity Event Centre CIC | Hospitality | 2024 |
| Kingston Companies Ltd | Agriculture & fishing | 2022 |
| Kleanology Ltd | Administrative & support | 2018 |
| Kolongroup Limited | Other services | 2021 |
| KTJ Advisory Ltd | Financial services | 2026 |
| L K Construction (Eastern) Limited | Construction | 2016 |
| L Peacock Plumbing & Heating Limited | Construction | 2022 |
| LA Rentals Ltd | Professional & scientific | 2023 |
| Landermere Estates Limited | Real estate | 2006 |
| Laurel Crest Development Limited | Construction | 2003 |
| LE Accounts Limited | Professional & scientific | 2020 |
| Leanings Ltd. | Hospitality | 2013 |
| Life Venture Limited | Extraterritorial | 2012 |
| Light & Star Media CIC | Information & communication | 2026 |
| Limat Limited | Wholesale & retail | 2019 |
| Little B'S Chatteris Ltd | Health & social care | 2025 |
| LKC Contracting Limited | Construction | 2022 |
| LKC Holdings Limited | Financial services | 2022 |
| LMD Interior Renovations Ltd | Construction | 2025 |
| Logisell Pro Limited | Information & communication | 2016 |
| London Medical Services Ltd | Health & social care | 2022 |
| LP Construction Cambridge Limited | Construction | 2025 |
| Lrbb Holdings Ltd | Professional & scientific | 2026 |
| Lötz Limited | Professional & scientific | 2018 |
| M Best Choice Limited | Hospitality | 2024 |
| M.E.K. Developments Ltd. | Construction | 2005 |
| Maidment Motors Ltd | Wholesale & retail | 2024 |
| Maison Chai UK Ltd | Wholesale & retail | 2025 |
| Maison Creations Ltd | Wholesale & retail | 2021 |
| Maloney Metalcraft Ltd | Manufacturing | 1997 |
| Mama Mart Ltd | Wholesale & retail | 2021 |
| Manea Mobile Tyres Ltd | Wholesale & retail | 2023 |
| Marks Consulting Ltd | Professional & scientific | 2012 |
| Marks Driving Services Limited | Transport & logistics | 2018 |
| Maserati Club Limited | Arts & recreation | 2012 |