| THE Dales of London Ltd | Professional & scientific | 2011 |
| THE Dalgroup Limited | Financial services | 2024 |
| THE Day Nursery Peterborough Limited | Administrative & support | 2004 |
| THE Deeping Men's Group Charities Fund Limited | Other services | 2005 |
| THE Deepings Community Trust Limited | Education | 2000 |
| THE Delegates Network Ltd | Administrative & support | 2026 |
| THE Delicious Factory Ltd | Wholesale & retail | 2020 |
| THE Design Factory (U.K.) Limited | Manufacturing | 2001 |
| THE Detail of Retail Limited | Administrative & support | 2015 |
| THE Devika Dementia C.I.C. | Health & social care | 2025 |
| THE Dirt Box Limited | Hospitality | 2024 |
| THE DNL Wheel Co Ltd | Wholesale & retail | 2026 |
| THE Dog Fields Ltd | Arts & recreation | 2021 |
| THE Dog Groomer Ltd | Other services | 2025 |
| THE Dog Parlours Ltd | Other services | 2016 |
| THE Drink Shack Ltd | Wholesale & retail | 2016 |
| THE Dunn Well Food Company Ltd | Wholesale & retail | 2024 |
| THE DUS Group (U.K.) Ltd | Real estate | 2024 |
| THE Elstons Residents Association Limited | Households | 2006 |
| THE Enclosure Consulting Ltd | Professional & scientific | 2024 |
| THE Energy Evolution Partnership Ltd | Other services | 2022 |
| THE Equestrian Business Consultant Ltd | Professional & scientific | 2021 |
| THE Ethics Company Limited | Information & communication | 2021 |
| THE Evolve Collective Limited | Other services | 2025 |
| THE Exchange Collaboration Limited | Construction | 2024 |
| THE EYE of the Future Limited | Information & communication | 2024 |
| THE Falcon Inn. Whittlesey Ltd | Hospitality | 2025 |
| THE Fane Clinic Limited | Health & social care | 2009 |
| THE Feathers Castor Limited | Hospitality | 2024 |
| THE Feed and Country Store Limited | Wholesale & retail | 2010 |
| THE Felt Box Limited | Wholesale & retail | 2016 |
| THE Festive Board Ltd | Hospitality | 2023 |
| THE Firewalk Academy Ltd | Education | 2013 |
| THE Fish Finders Limited | Administrative & support | 2010 |
| THE Flourish Management Group Ltd | Professional & scientific | 2022 |
| THE Food Incubator Limited | Professional & scientific | 2017 |
| THE Fort Security Solutions Ltd | Administrative & support | 2025 |
| THE FOX & Fern Day Care Ltd | Health & social care | 2026 |
| THE Fresh Produce Consortium (U.K.) | Other services | 1992 |
| THE Froglife Trust | Professional & scientific | 2002 |
| THE Fruit and Vegetable Shop Limited | Wholesale & retail | 2020 |
| THE Furniture Barn 2016 Limited | Wholesale & retail | 2016 |
| THE Gables (Kettering) Residents Management Limited | Households | 1988 |
| THE Gamer Box Ltd | Arts & recreation | 2025 |
| THE Garden Edit Co Ltd | Administrative & support | 2025 |
| THE GAS Fire MAN Ltd | Construction | 2019 |
| THE Genie Restaurant Bar Ltd | Hospitality | 2025 |
| THE Girls House Glinton Ltd | Other services | 2025 |
| THE Glass Slipper Peterborough Ltd | Manufacturing | 2015 |
| THE Good Skin Clinic Peterborough Limited | Other services | 2024 |
| THE Gorilla Firm Limited | Wholesale & retail | 2010 |
| THE Grange Peterborough Limited | Hospitality | 2017 |
| THE Grazing Zebra Ltd | Hospitality | 2023 |
| THE GRC Rider Ltd | Transport & logistics | 2025 |
| THE Green Cottages Limited | Real estate | 2013 |
| THE Grow Superstore Limited | Wholesale & retail | 2014 |
| THE Gunsmiths Limited | Other services | 2017 |
| THE Gurucrew Limited | Professional & scientific | 2016 |
| THE Hair and Beauty Room Oundle Ltd | Other services | 2019 |
| THE Hammer and Pincers Ltd | Hospitality | 2026 |
| THE Hampton Properties Investment Group Ltd | Real estate | 2022 |
| THE Hamptons Hospital Ltd | Health & social care | 2020 |
| THE Hand & Marigold Limited | Professional & scientific | 2014 |
| THE Happy Chick Co. Limited | Extraterritorial | 2014 |
| THE Happy Chick Company Ltd | Education | 2009 |
| THE Haven Edit Ltd | Wholesale & retail | 2025 |
| THE Health & Fitness Company Ltd | Wholesale & retail | 2004 |
| THE Health and Safety Network Limited | Extraterritorial | 2018 |
| THE Health Cabin Limited | Wholesale & retail | 2019 |
| THE Hebden College of Dance Performance & Teaching Ltd | Education | 2025 |
| THE Hebden School of Dancing Ltd | Education | 2019 |
| THE Heritage Bakery (Cambridge) Ltd | Hospitality | 2024 |
| THE Hermitage Whittlesey LLP | | 2012 |
| THE Heys Group Ltd | Other services | 1970 |
| THE Hideout House Company Ltd | Construction | 2011 |
| THE Hifi Consultants Ltd | Wholesale & retail | 2022 |
| THE Hillock, IW Ltd | Real estate | 2025 |
| THE Hobby Hub Yaxley CIC | Other services | 2020 |
| THE Holygail Studios Ltd | Other services | 2025 |
| THE Horrell Farming Co Ltd | Agriculture & fishing | 2020 |
| THE Hot Wire Co. Limited | Manufacturing | 2005 |
| THE House of Ikenna Ltd | Wholesale & retail | 2016 |
| THE Hub POD Ltd | Wholesale & retail | 2024 |
| THE Hubbard Group Ltd | Other services | 2024 |
| THE Human Transporter Ltd | Transport & logistics | 2023 |
| THE Humanity Route CIC | Real estate | 2025 |
| THE Huntlys Management Company Limited | Households | 2008 |
| THE Hyde Salons Ltd | Other services | 2023 |
| THE Ideal Group Limited | Extraterritorial | 2004 |
| THE Indian Chef (EA) Ltd | Hospitality | 2025 |
| THE Inkwell Tattoo Ltd | Arts & recreation | 2018 |
| THE Institute of Clerks of Works and Construction Inspectorate of Great Britain Incorporated | Other services | 1903 |
| THE Investment Minder Ltd | Financial services | 2025 |
| THE Iron Ladies Limited | Households | 2011 |
| THE Italian Bros Ltd | Hospitality | 2024 |
| THE IVY Rose Agency Ltd | Professional & scientific | 2018 |
| THE Jackson 6 Limited | Other services | 2021 |
| THE Jewellery Hanger Company Limited | Manufacturing | 2010 |
| THE JL Group Holding Ltd | Other services | 2026 |
| THE Keen Angler Limited | Wholesale & retail | 2014 |