| A G Sharp Limited | Wholesale & retail | 2014 |
| Aardvark Online Trading Limited | Wholesale & retail | 2010 |
| Albisson Painting and Decorating Limited | Construction | 2022 |
| Alfred Ernest Investments Ltd | Real estate | 2019 |
| AMK53 Limited | Real estate | 2022 |
| C M S Properties (N.E.) Limited | Real estate | 2004 |
| Carol Dodds Consulting Ltd. | Professional & scientific | 2025 |
| CPT Engineering Services Ltd | Administrative & support | 2000 |
| Cygnal Limited | Information & communication | 2005 |
| D Slee Building Services Limited | Construction | 2021 |
| DWW Consultants Limited | Professional & scientific | 2013 |
| E P a Limited | Professional & scientific | 2000 |
| Elite Memorials (UK) Limited | Manufacturing | 2014 |
| Etas (NE) Limited | Administrative & support | 2022 |
| Evaluk Ltd. | Financial services | 2024 |
| G & K Kane Limited | Professional & scientific | 2012 |
| GOM 1205 Limited | Financial services | 2024 |
| Grasswell Coal Company Limited(The) | Transport & logistics | 1945 |
| GVP Hetton Limited | Real estate | 2004 |
| Hetton Centre Trading Limited | Hospitality | 2008 |
| Impahla Investments Ltd | Wholesale & retail | 2015 |
| JCE GRP Limited | Construction | 2025 |
| JM Herdsman Ltd | Hospitality | 2024 |
| Julius Gordon Limited | | 1956 |
| K & J Site Services Ltd | Manufacturing | 2017 |
| Liddell Dunbar Properties 2 Limited | Real estate | 2004 |
| Lovegreen Developments Limited | Real estate | 2010 |
| Lyons Financial Management 2026 Ltd | Financial services | 2026 |
| Lyons Windows (North East) Limited | Construction | 2013 |
| Meadowfield Group Limited | Construction | 2023 |
| MGS GAS Ltd | Construction | 2022 |
| PW Accountancy & Bookkeeping Ltd | Professional & scientific | 2014 |
| Sidegate Properties LLP | | 2023 |
| Ssaspro Limited | Financial services | 2019 |
| THE Little 3 Thirsk Limited | Hospitality | 2025 |
| TLC (Car Care) Limited | Wholesale & retail | 2003 |
| TLC (Car Care) North Ltd | Wholesale & retail | 2024 |
| TLC (Car Care) South Ltd | Wholesale & retail | 2024 |
| TLC Alloy Wheel Repair Ltd | Extraterritorial | 2024 |
| TTV Communications Limited | Administrative & support | 2014 |
| WKH Aggregates (NE) Ltd | Mining & quarrying | 2024 |
| Woven Retail Ltd | Wholesale & retail | 2010 |