| THE Fitted Wardrobes Company NE Ltd | Manufacturing | 2024 |
| THE Flooring Network Limited | Wholesale & retail | 2013 |
| THE Foodkitch Ltd | Hospitality | 2024 |
| THE Foundry (North East) Limited | Hospitality | 2018 |
| THE Fountain Partners Ltd | Hospitality | 2025 |
| THE Frying Doctor Ltd | Professional & scientific | 2025 |
| THE Gate Genius Ltd | Construction | 2023 |
| THE Geek Show Limited | Information & communication | 2015 |
| THE Gibson O'Neill Company Limited | Professional & scientific | 1994 |
| THE Gibson O'Neill Properties Limited | Professional & scientific | 2011 |
| THE Globe Guisborough Management Company Limited | Households | 2022 |
| THE Green Maid Ltd | Administrative & support | 2024 |
| THE Grooming Room NE Ltd | Other services | 2024 |
| THE Hair and Beauty Wardrobe Ltd | Other services | 2022 |
| THE Half Moon Inn Lazenby Ltd | Hospitality | 2023 |
| THE Halo Project | Health & social care | 2014 |
| THE Heart Cafe CIC | Hospitality | 2025 |
| THE High Tide Foundation | Other services | 2012 |
| THE Hope Foundation Limited | Health & social care | 1995 |
| THE Hot TUB Group (UK) Ltd | Wholesale & retail | 2022 |
| THE Hot TUB Warranty Limited | Wholesale & retail | 2025 |
| THE House of Participation Ltd | Education | 2023 |
| THE House of Radha Ltd | Professional & scientific | 2016 |
| THE Hrzn Line Ltd | Professional & scientific | 2025 |
| THE Human Factors Group Limited | Professional & scientific | 2025 |
| THE IAN Smith Group Holdings Limited | Financial services | 2023 |
| THE IBS Register Limited | Health & social care | 2022 |
| THE Indie Edit Ltd | Wholesale & retail | 2026 |
| THE Jolly Gardener (North East) Limited | Administrative & support | 2025 |
| THE Kitchen Stone Limited | Hospitality | 2018 |
| THE Legacy Learning Trust | Education | 2018 |
| THE Licious Group Ltd | Hospitality | 2023 |
| THE Linen Network Ltd | Transport & logistics | 2026 |
| THE Link (Redcar) CIC | Health & social care | 2011 |
| THE Lion Match Company Limited | Professional & scientific | 2012 |
| THE Longlands Club Ltd | Hospitality | 2023 |
| THE Longlands Suite Ltd | Hospitality | 2025 |
| THE Mandhi Delights Restaurant’S Ltd | Hospitality | 2025 |
| THE Marino Snacks Company Limited | Wholesale & retail | 2025 |
| THE Marios N Ltd | Hospitality | 2025 |
| THE Marmalade Nebula Ltd | Information & communication | 2022 |
| THE Maxtread Group Ltd | Extraterritorial | 2018 |
| THE Mckcarver Property Group Ltd | Real estate | 2025 |
| THE Middlesbrough Art Weekender C.I.C. | Arts & recreation | 2018 |
| THE Middlesbrough Empire Limited | Hospitality | 1996 |
| THE Mining Shop UK Ltd | Information & communication | 2023 |
| THE MJK Label Ltd | Wholesale & retail | 2026 |
| THE Montana Project CIC | Education | 2020 |
| THE Montey Group Limited | Real estate | 2020 |
| THE Moon Runners Ltd | Arts & recreation | 2005 |
| THE Moonlights Services Ltd | Real estate | 2017 |
| THE Moonsons Ltd | Information & communication | 2022 |
| THE Music Merchant Limited | Wholesale & retail | 2025 |
| THE Myths Management Ltd | Professional & scientific | 2025 |
| THE Nail Lounge @ Stokesley Ltd | Other services | 2025 |
| THE Neelloc Pearce Group Limited | Health & social care | 2022 |
| THE New Cafe 8 Ltd | Hospitality | 2023 |
| THE Nomad Haven Ltd | Wholesale & retail | 2025 |
| THE Northern College of Art | Education | 2023 |
| THE ODD Baron Ltd | Professional & scientific | 2018 |
| THE OG Restaurant Ltd | Hospitality | 2024 |
| THE OIL Safety Group Limited | Construction | 2011 |
| THE Only Option Limited | Construction | 2017 |
| THE Other Perspective CIC | Hospitality | 2013 |
| THE Outcome Agency Ltd | Administrative & support | 2022 |
| THE Oval Shop Ltd | Health & social care | 2010 |
| THE Packhorse Tavern Ltd | Hospitality | 2019 |
| THE Parkway Coulby Ltd | Hospitality | 2025 |
| THE Pasta MAN Ltd | Manufacturing | 2021 |
| THE Paving People Ltd | Construction | 2024 |
| THE Paving People Specialists Ltd | Construction | 2025 |
| THE Pawground Limited | Other services | 2024 |
| THE Pawtrack Pet Empawrium Limited | Other services | 2024 |
| THE Peppermill Cafe Ltd | Hospitality | 2024 |
| THE Personal Support Network (Teesside) Limited | Health & social care | 2013 |
| THE Phone Shop (Billingham) Ltd | Wholesale & retail | 2018 |
| THE Pound Shop (Dunoon) Limited | Wholesale & retail | 2003 |
| THE Practical Leadership Training Company Ltd | Other services | 2015 |
| THE Pressures OFF Ltd | Administrative & support | 2026 |
| THE Property Rental People Ltd | Real estate | 2024 |
| THE Proscrib Limited | Information & communication | 2026 |
| THE Protection Club Ltd | Financial services | 2024 |
| THE Purple BEE Bakery Ltd | Manufacturing | 2023 |
| THE Qualis Collection Limited | Wholesale & retail | 2020 |
| THE Railway Middlesbrough Ltd | Hospitality | 2025 |
| THE RAW Plaice Ltd | Wholesale & retail | 2022 |
| THE Risc Organisation Ltd | Professional & scientific | 2025 |
| THE Roasted Bean Coffeehouse Limited | Hospitality | 2025 |
| THE Roofers 23 Ltd | Construction | 2023 |
| THE Sanctuary Coffee House Canteen Ltd | Hospitality | 2023 |
| THE SAS MGT Consultants Ltd | Professional & scientific | 2025 |
| THE Scent Bar Ltd | Wholesale & retail | 2020 |
| THE School Data Company Ltd | Information & communication | 2017 |
| THE Sewing Guru Ltd | Education | 2014 |
| THE Shining Monkeys Limited | Wholesale & retail | 2018 |
| THE Skin Clinic North Ltd | Other services | 2025 |
| THE Sleep Centre N/E Ltd | Wholesale & retail | 2026 |
| THE Snooze Studio Ltd | Wholesale & retail | 2026 |
| THE Stainton Inn and Tea Rooms Ltd | Hospitality | 2016 |
| THE Station Coffee + Kitchen Limited | Hospitality | 2023 |