| Gallopine Limited | Financial services | 2026 |
| GDW Little Kineton Management Company Limited | Administrative & support | 2019 |
| George Jennings Ltd | Other services | 1998 |
| George Wright Trading Ltd | Wholesale & retail | 2024 |
| Gillian Douglas Limited | Administrative & support | 2023 |
| Gillick Industrial Training Ltd | Administrative & support | 2021 |
| Glebe Estate Management Limited | Real estate | 2024 |
| Global Concierge Travel Limited | Administrative & support | 2026 |
| Gptvdb Limited | Administrative & support | 2019 |
| Grapevine Theatre CIC | Education | 2023 |
| Green Lane Labs Ltd | Information & communication | 2026 |
| Green Trees Care Limited | Health & social care | 2022 |
| Green Wood Bushcraft Ltd | Education | 2025 |
| Grieve Strategic Limited | Administrative & support | 2007 |
| GRT Energy Consulting Limited | Professional & scientific | 2017 |
| Grumpy Frog Ltd | Manufacturing | 2016 |
| Gym Fitness Store Ltd | Wholesale & retail | 2025 |
| H & S Solutions ( UK ) Ltd | Administrative & support | 2016 |
| H G Heath & Sons LLP | | 2008 |
| H M Bloodstock Services Ltd | Agriculture & fishing | 2019 |
| Hadley Farms Limited | Agriculture & fishing | 1997 |
| Hambletts Ltd | Arts & recreation | 2020 |
| Harrastrid Estates Limited | Real estate | 2025 |
| Hartshorne BMH Limited | Wholesale & retail | 2025 |
| Hawsretail Ltd | Wholesale & retail | 2024 |
| Heddleworth (Amusements) Limited | Administrative & support | 1980 |
| Hedgend Developments Ltd | Construction | 2021 |
| Hillside Farm Flowers Ltd | Wholesale & retail | 2025 |
| Hollows Long Compton Management Company Limited | Real estate | 2016 |
| Housemartin Projects Ltd | Real estate | 2021 |
| HOW2FRANCHISE Limited | Professional & scientific | 2021 |
| Hugo Taylor’S Maids Services Ltd | Administrative & support | 2026 |
| Hunts Engineering Ltd | Manufacturing | 2010 |
| Husbandmans Close Residents Association Limited | Households | 2011 |
| IAD Project Management Ltd | Professional & scientific | 2026 |
| Iattain Ltd | Education | 2024 |
| ID Love to Live Here Limited | Professional & scientific | 2006 |
| IE Advisors Limited | Education | 2024 |
| IFL Risk Limited | Administrative & support | 2017 |
| IKB Holdings | Financial services | 2024 |
| Indalo Consultancy Ltd | Professional & scientific | 2013 |
| Independent Trim Advisory Services UK Ltd | Professional & scientific | 2020 |
| Industrial and Commercial Investments Ltd | Professional & scientific | 2002 |
| Inso Sales and Marketing Ltd | Professional & scientific | 2025 |
| Interim Financial Resource Ltd | Professional & scientific | 2014 |
| Ireach Social Media Ltd | Professional & scientific | 2020 |
| Istar Logistics Limited | Transport & logistics | 2009 |
| J Campbell Ventures Limited | Real estate | 2025 |
| J Rutter & SON Ltd | Agriculture & fishing | 2019 |
| Jack RB Ltd | Agriculture & fishing | 2016 |
| Jackfruit Jungle Limited | Wholesale & retail | 2022 |
| Jake Wright Antiques Ltd | Wholesale & retail | 2016 |
| Jason Ellery Associates Limited | Information & communication | 2016 |
| Jdmccallum Limited | Professional & scientific | 2017 |
| JLH Talent Solutions Ltd | Administrative & support | 2023 |
| Jmrc Investments | Real estate | 2015 |
| John Bolding & Sons Ltd | Extraterritorial | 1998 |
| Jonara Consulting Ltd | Professional & scientific | 2012 |
| Ju-I Limited | Professional & scientific | 2010 |
| Jubti Ltd | Manufacturing | 2025 |
| Jymspace Ltd | Manufacturing | 2022 |
| K Plank Joinery Limited | Manufacturing | 2022 |
| K S Smith & Sons Limited | Construction | 2022 |
| Kairaba Capital Limited | Financial services | 2021 |
| KD63 Ltd | Professional & scientific | 2025 |
| Kendall House Antiques Limited | Wholesale & retail | 2020 |
| Kennedy Engineering Design Ltd | Extraterritorial | 2005 |
| Kennel Hill Barns Management Company Limited | Households | 2022 |
| Key 2 Construction Ltd | Construction | 2015 |
| Key CARE4YOU Ltd | Health & social care | 2021 |
| Khandokar Property Ltd | Real estate | 2023 |
| Kiddo Films Limited | Arts & recreation | 2019 |
| Kilo Group Ltd | Administrative & support | 2021 |
| Kimben Construction LLP | | 2002 |
| Kings Gate Management Company (Cambridge) Limited | Construction | 2005 |
| Kingsgate Cambridge Ltd | Real estate | 2015 |
| Kirkbright Limited | Professional & scientific | 2009 |
| Kraken Ideas Inc Limited | Wholesale & retail | 2021 |
| Kuppso Limited | Wholesale & retail | 2023 |
| L.K.N.R Construction Consultancy Ltd | Construction | 2013 |
| Lambsgate Limited | Hospitality | 2021 |
| Larchsilver Properties Limited | Real estate | 2011 |
| Lawrence and Lopez Property Group Ltd | Real estate | 2023 |
| Legacy Aesthetics Ltd | Other services | 2023 |
| Lenalashes Ltd | Wholesale & retail | 2020 |
| Lifecycle Management Ltd | Information & communication | 2015 |
| Lightmaster (Direct) Ltd | Manufacturing | 1998 |
| Limestone Club Ltd | Wholesale & retail | 2026 |
| Local Digital Marketing Services Ltd | Professional & scientific | 2019 |
| Loclec Ltd | Construction | 2007 |
| London Music Preparation Ltd. | Arts & recreation | 2024 |
| Long Compton Abattoir Group Ltd | Manufacturing | 2024 |
| Lorica Training Ltd | Education | 2020 |
| LVC Properties Limited | Real estate | 2024 |
| M.J. Haines Limited | Real estate | 1963 |
| M8TRX IT Ltd | Information & communication | 2026 |
| Made a Difference Executive and Life Coaching Services Ltd. | Administrative & support | 2024 |
| Madmolly Trading Limited | Wholesale & retail | 2007 |
| Make Design and Print Ltd | Manufacturing | 2006 |
| Maple (423) Limited | Households | 2017 |