| 179MRC Ltd | Manufacturing | 2023 |
| 7MT Limited | Professional & scientific | 2023 |
| A.G Enterprises Limited | Water & waste | 2009 |
| Action for Station Town CIC | Education | 2021 |
| AEW Designs Ltd | Administrative & support | 2007 |
| Ainswood Property Limited | Real estate | 2018 |
| Arise Financial Limited | Financial services | 2020 |
| Ascent Polymer Science and Engineering Ltd | Professional & scientific | 2025 |
| Ashcroft Site Services Ltd | Construction | 2019 |
| Auto Locksmith North East Ltd | Wholesale & retail | 2025 |
| Aviate Ltd | Wholesale & retail | 2026 |
| Avoncliffe Broadcast Consultancy Ltd | Professional & scientific | 2008 |
| Barbers GAS Services Ltd | Construction | 2024 |
| BBR Construction Safety and Plant Services Ltd | Construction | 2016 |
| Belmont Vehicles Limited | Wholesale & retail | 2012 |
| Billy's Private Hire Ltd | Transport & logistics | 2026 |
| Bracken Hill Autos Limited | Other services | 2014 |
| Brian Wilson Auto's Ltd | Wholesale & retail | 2026 |
| Briggs Advanced Practitioners Ltd | Health & social care | 2014 |
| Broom Machine Tool Services Ltd | Manufacturing | 2021 |
| Camper Lights Ltd | Manufacturing | 2022 |
| CB Proofreading and Typesetting Ltd | Professional & scientific | 2021 |
| Cherry Trees Bistro Limited | Hospitality | 2017 |
| Children in Nature CIC | Education | 2019 |
| Christina Aaliyah Ltd | Information & communication | 2023 |
| CL Expeditions Limited | Administrative & support | 2015 |
| Clish Construction Ltd | Construction | 2026 |
| Club VII Ltd | Wholesale & retail | 2026 |
| Comfycare Villas Ltd | Health & social care | 2021 |
| Creative Harmony North East CIC | Health & social care | 2025 |
| D S R Paving Services Limited | Administrative & support | 2003 |
| Dalywood Casting Ltd | Administrative & support | 2025 |
| Dandgletts Ltd | Real estate | 2026 |
| Daniel Mcgowan Ltd | Professional & scientific | 2023 |
| Dbbuild NE Ltd | Construction | 2024 |
| DD Affiliate Marketing Limited | Professional & scientific | 2025 |
| Delocks Hair Extensions Limited | Other services | 2019 |
| Devine Health and Safety Solutions Ltd | Professional & scientific | 2020 |
| Diverse Holdings Limited | Real estate | 2025 |
| DJF Plastering Ltd | Construction | 2022 |
| DK Power Solutions Limited | Manufacturing | 2025 |
| DLG G Properties Limited | Real estate | 2025 |
| DLG Property Maintenance Ltd | Households | 2022 |
| Dreampath Ltd | Information & communication | 2023 |
| DTC Services North East Ltd | Education | 2018 |
| East Durham Building Services Ltd | Construction | 2023 |
| Eden Facilities Ltd | Real estate | 2025 |
| Elegant Interiors (NE) Ltd | Construction | 2024 |
| Embleton Hall Dairies Limited | Manufacturing | 1984 |
| Exclusive Wedding Cars Ltd | Administrative & support | 2026 |
| FEM93 CIC | Information & communication | 2024 |
| Flex Communication Services Ltd | Information & communication | 2021 |
| Forest Drop Limited | Wholesale & retail | 2022 |
| FOX Joinery 85 Ltd | Manufacturing | 2025 |
| Frank Wind Consultancy Ltd | Professional & scientific | 2024 |
| Free Life Financial Limited | Professional & scientific | 2020 |
| Free Life Property Management Ltd | Real estate | 2022 |
| FULLSCOPE247 Limited | Construction | 2025 |
| G R Legal and Corporate Defence Ltd | Professional & scientific | 2022 |
| Gills Courier Services Ltd | Administrative & support | 2015 |
| GLR Access Ltd | Construction | 2024 |
| Graham Malcolm Wood Limited | Professional & scientific | 2018 |
| Grand Comfort Limited | Hospitality | 2025 |
| Great House Move Limited | Transport & logistics | 2026 |
| GSD Lifting Services Ltd | Construction | 2025 |
| Guardian Hydroclean Ltd | Administrative & support | 2023 |
| Hannchelle Limited | Agriculture & fishing | 2017 |
| Hansbury Limited | Agriculture & fishing | 2021 |
| Hansbury Racing Limited | Agriculture & fishing | 2019 |
| Happily Ever After Entertainment CIC | Education | 2021 |
| High Barns Farm Ltd | Agriculture & fishing | 2018 |
| High Rise Brickwork Ltd | Construction | 2017 |
| J. Kemp Limited | Administrative & support | 1991 |
| Ja&Sb Properties Ltd | Real estate | 2025 |
| Jason Owens Joinery Ltd | Construction | 2024 |
| JB E&I Services Limited | Construction | 2023 |
| JF Autotek Services Limited | Wholesale & retail | 2020 |
| JNS Real Estate Limited | Real estate | 2021 |
| John Black Logistics Ltd | Transport & logistics | 2025 |
| JSD Coded Welding Ltd | Manufacturing | 2018 |
| K R Salvage Limited | Wholesale & retail | 2018 |
| KPR Stores Limited | Wholesale & retail | 2021 |
| Kyrra Limited | Manufacturing | 2024 |
| L L K Utilities Ltd | Construction | 2023 |
| Lapiksana Ltd | Hospitality | 2025 |
| LES Property Management Ltd | Real estate | 2020 |
| Lifting Eyes Ltd | Professional & scientific | 2026 |
| Lotus Property Development Ltd | Construction | 2021 |
| LRS Access Ltd | Manufacturing | 2016 |
| LS Electrical Access Ltd | Manufacturing | 2026 |
| LT Groundworks Ltd | Construction | 2026 |
| M & D Asset Holdings Limited | Administrative & support | 2022 |
| M.G Paving & Groundwork Limited | Construction | 2023 |
| Madina ZOE Ltd | Other services | 2022 |
| Mccabe and Young Limited | Construction | 2015 |
| Mcmanus Health Group Ltd | Health & social care | 2026 |
| MPA Retail Limited | Wholesale & retail | 2023 |
| Nanthan Ltd | Wholesale & retail | 2026 |
| Navitas Business Services Ltd | Professional & scientific | 2024 |
| NE Retaining Walls Ltd | Administrative & support | 2020 |