| THE Doll Method Ltd | Other services | 2025 |
| THE Dragon Hert Ltd | Hospitality | 2023 |
| THE EBE Management Company Limited | Households | 2005 |
| THE Fabric Folk CIC | Manufacturing | 2025 |
| THE Fine Confectionery Co. Ltd. | Wholesale & retail | 1992 |
| THE Fire Door Wizard Ltd | Public administration | 2023 |
| THE Firkin PIG Company Limited | Extraterritorial | 2017 |
| THE First Choice Insurance Consultants Limited | Financial services | 2005 |
| THE Fitness Industry Directory Limited | Other services | 2013 |
| THE Floss Shop Ltd | Hospitality | 2025 |
| THE Forever Changing Idea Limited | Health & social care | 2025 |
| THE Garber Group Ltd | Wholesale & retail | 2024 |
| THE Gardens (GT) Freehold Limited | Households | 2012 |
| THE Gate Hotel Stevenage Limited | Hospitality | 2024 |
| THE Grand Table Ltd | Administrative & support | 2025 |
| THE Grange & Walton Cottage Limited | Health & social care | 1999 |
| THE Happiness Cartel Limited | Hospitality | 2026 |
| THE Headphone Company (UK) Ltd | Wholesale & retail | 2013 |
| THE Hertford Group Ltd | Construction | 2018 |
| THE Hertford Osteopathy Clinic Ltd | Health & social care | 2012 |
| THE Hertford Taxi Company Ltd | Transport & logistics | 2020 |
| THE Hideaway Collection Ltd | Arts & recreation | 2025 |
| THE Home Improvers Limited | Construction | 2019 |
| THE Hormonal Worker Ltd | Education | 2025 |
| THE Hysterectomy Centre Limited | Health & social care | 2012 |
| THE IAM Stewardship Limited | Agriculture & fishing | 2025 |
| THE Interior Group Limited | Other services | 2018 |
| THE IT Collective Ltd | Information & communication | 2010 |
| THE Itinerant Trading Company Limited | Wholesale & retail | 2019 |
| THE KIM Shipton Method Ltd | Education | 2025 |
| THE L & C Property Company Ltd | Arts & recreation | 2005 |
| THE Laser Specialist Limited | Administrative & support | 2025 |
| THE Laurel Education Trust | Education | 2013 |
| THE Learning Machine Ltd | Information & communication | 2005 |
| THE Limes North Road (Hertford) Management Company Limited | Administrative & support | 2004 |
| THE Loan Company (Hertford ) Ltd | Financial services | 2015 |
| THE London Grilled Fish Company Limited | Hospitality | 2019 |
| THE Maltings Studios Limited | Information & communication | 1999 |
| THE Manhattan Group Ltd. | Wholesale & retail | 2017 |
| THE Mara Rianda Charitable Trust | Education | 2004 |
| THE Margery Maplethorpe Trust | Hospitality | 2005 |
| THE Mill House Hertford Ltd | Arts & recreation | 2018 |
| THE Model Company Ltd | Professional & scientific | 2018 |
| THE Movement Hub Limited | Arts & recreation | 2024 |
| THE Moving School Limited | Education | 2024 |
| THE Mudlarks Community | Health & social care | 2009 |
| THE Noble Herd EFL & EFP CIC | Health & social care | 2025 |
| THE Northern Shooting Show Limited | Arts & recreation | 2016 |
| THE Old Chequers Ltd | Real estate | 2019 |
| THE Online Department Limited | Information & communication | 2025 |
| THE P R Office Limited | Professional & scientific | 2003 |
| THE Parkes LLP | | 2003 |
| THE Pavilions (Hatfield) Management Company Limited | Households | 2004 |
| THE Pepperpot Restaurant Limited | Hospitality | 2003 |
| THE Phone Surgeries Ltd | Manufacturing | 2023 |
| THE Physio Room Hertfordshire Ltd. | Health & social care | 2010 |
| THE Pines (Welwyn Garden City) Management Limited | Households | 1991 |
| THE POO Patrol Ltd | Water & waste | 2018 |
| THE Precise Design (Projects) Limited | Construction | 2019 |
| THE Private Chef by Joseph Davis Ltd | Hospitality | 2016 |
| THE Progress Film Company Limited | Information & communication | 2009 |
| THE Rabbit Hole Wellbeing Ltd | Hospitality | 2023 |
| THE Real Estate Investment Office Ltd | Real estate | 2020 |
| THE Ridings Residential Management Limited | Households | 2020 |
| THE Riverside Victoria Ltd | Construction | 2021 |
| THE Run OUT Limited | Arts & recreation | 2024 |
| THE Screenwriters' Slate UK Ltd | Information & communication | 2025 |
| THE Secret Space Limited | Health & social care | 2014 |
| THE Sele School | Education | 2012 |
| THE Selogia Group Limited | Administrative & support | 2025 |
| THE Sgco Ltd | Financial services | 2025 |
| THE Skull Club Ltd | Other services | 2019 |
| THE Slow CEO Ltd | Administrative & support | 2025 |
| THE Society of Offshore Marine Warranty Surveyors | Other services | 2017 |
| THE Spice Hunter Ltd | Wholesale & retail | 2019 |
| THE Stageworks Gear Company Limited | Administrative & support | 2010 |
| THE Strand Restaurant Limited | Hospitality | 2012 |
| THE Studio Ingatestone Limited | Health & social care | 2023 |
| THE Toys HUT Ltd | Wholesale & retail | 2024 |
| THE Traveller Group Limited | Hospitality | 2000 |
| THE UK Dog Breeding Academy Ltd | Agriculture & fishing | 2015 |
| THE UK Railtours Operating Company Limited | Transport & logistics | 2009 |
| THE Vale (Bushey) Management Company Limited | Households | 2015 |
| THE Venue Hayes Management Company Limited | Real estate | 2021 |
| THE Village Home & Garden Company Ltd | Construction | 2026 |
| THE Waste Company (UK) Limited | Water & waste | 2012 |
| THE Watch Shelf Ltd | Wholesale & retail | 2023 |
| THE Watergarden RTM Company Limited | Households | 2005 |
| THE White Lion (Bengeo) Limited | Hospitality | 2023 |
| THE Wonder DEN C.I.C. | Arts & recreation | 2021 |
| THE Wood Veneering Company Limited | Construction | 2010 |
| THE Woolwich Arsenal Football and Athletic Company, Limited | Arts & recreation | 2014 |
| Thebestof Hertford and Ware Limited | Administrative & support | 2014 |
| Theories Golf Limited | Arts & recreation | 2023 |
| Theories Landscapes Limited | Arts & recreation | 2002 |
| Thewisebrokers Ltd | Financial services | 2023 |
| Think Specialist Recruitment Ltd | Administrative & support | 2010 |
| This IS for the World Limited | Financial services | 2021 |
| This IS Supernormal Limited | Professional & scientific | 2019 |
| Thomas & Co. Development Ltd | Construction | 2013 |