| 20REV Ltd | Information & communication | 2026 |
| 282 Building Solutions Ltd | Construction | 2020 |
| 610 TM Limited | Construction | 2022 |
| 833 Beauty Limited | Other services | 2024 |
| AB Lettings NE Ltd | Real estate | 2024 |
| Abaccus Accountancy Limited | Professional & scientific | 2001 |
| AC Robinson Limited | Water & waste | 2014 |
| Adveyes UK Ltd | Information & communication | 2022 |
| Affordable Cars North East Ltd | Wholesale & retail | 2023 |
| After a Lock and Safe Limited | Manufacturing | 2000 |
| Alex Scott Cars Limited | Wholesale & retail | 2003 |
| ALK Digital Media Ltd | Professional & scientific | 2022 |
| Alpha Fire and Security Systems Limited | Construction | 2019 |
| Ascent Aviators Ltd | Education | 2019 |
| Ascnd Ltd | Arts & recreation | 2025 |
| Aspect Interiors NE Ltd | Construction | 2024 |
| ASW Racing Europe Ltd | Wholesale & retail | 2018 |
| Automotive Evolution Limited | Wholesale & retail | 2010 |
| Barclayenterprises Ltd | Wholesale & retail | 2023 |
| BB Invest Ltd | Real estate | 2023 |
| BG Auditing Limited | Manufacturing | 2015 |
| Burkinshaw Estates Limited | Agriculture & fishing | 2022 |
| C a M Healthcare Ltd | Health & social care | 2022 |
| CH Radiology Ltd | Health & social care | 2021 |
| Checkbook Accountancy Limited | Professional & scientific | 2020 |
| Choppington Corporation Limited | Wholesale & retail | 2019 |
| Choppington Social Welfare Centre Social Club Limited | Hospitality | 2007 |
| Christopher Milburn Limited | Mining & quarrying | 2016 |
| CJ Services North Ltd | Professional & scientific | 2022 |
| CPB CX Ltd | Professional & scientific | 2023 |
| CR Maintenance Ltd | Construction | 2023 |
| Cramlington Pre-Cast Limited | | 1967 |
| D Hardy Bolting Services Limited | Professional & scientific | 2013 |
| Dacre Street Developments Craster Limited | Administrative & support | 2018 |
| Davison Plastering Services Limited | Construction | 2002 |
| DC Maintenance & Management Ltd | Other services | 2023 |
| Dean Coulson Limited | Health & social care | 2018 |
| Deep Sea Access and Inspection Limited | Professional & scientific | 2013 |
| Dior Barber NE Ltd | Other services | 2026 |
| DJB Industry Services Limited | Construction | 2024 |
| Driveforless Ltd | Wholesale & retail | 2026 |
| East Choppington Farm Management Ltd | Households | 2019 |
| EBZ Groundworks Limited | Construction | 2012 |
| Exterior Cleans North East Limited | Administrative & support | 2024 |
| Fenwick Training Services Ltd | Other services | 2010 |
| Fern Court (Guide Post) Management Company Limited | Households | 1998 |
| Floravive Ltd | Wholesale & retail | 2025 |
| Fraser Interiors Ltd | Construction | 2023 |
| Gardening MOW Bros Ltd | Administrative & support | 2026 |
| GAS Wizard Heating Services Limited | Construction | 2015 |
| Gerrard & Boutflour Ltd | Construction | 2019 |
| GET Heavy UK Ltd | Manufacturing | 2024 |
| GG Electrical Services Ltd | Manufacturing | 2021 |
| Gjdevon Solutions Limited | Information & communication | 2019 |
| Glenn K Smith Limited | Energy | 2018 |
| Going Green on the Green Ltd | Wholesale & retail | 2023 |
| Gordon Terrace Takeaway Ltd | Hospitality | 2021 |
| Grover and Group Ltd | Hospitality | 2026 |
| Guidepost Takeaway Ltd | Hospitality | 2024 |
| Guidepost Washeteria Limited | Other services | 2007 |
| Horn Corporation Limited | Professional & scientific | 2025 |
| House of Matcha Ltd | Hospitality | 2026 |
| J B Gray Limited | Administrative & support | 2016 |
| J Hunts Properties Ltd | Real estate | 2026 |
| J.B. Construction (North East) Limited | Construction | 1994 |
| Jackson Brown Ltd | Financial services | 2016 |
| JMR Plumbing & Heating Limited | Construction | 2017 |
| John Woolley Surveying Limited | Real estate | 2024 |
| Joseph David Simm Ltd | Wholesale & retail | 2022 |
| Kawispy Ltd | Manufacturing | 2022 |
| Kayak Monkey Limited | Arts & recreation | 2018 |
| Kore Marketing Ltd | Professional & scientific | 2025 |
| KRR Construction Ltd | Mining & quarrying | 2019 |
| Lavender Lets Ltd | Real estate | 2025 |
| LGA Contracting Solutions Limited | Construction | 2025 |
| Liddle Building Ltd | Construction | 2025 |
| M & H Bakes Limited | Hospitality | 2021 |
| M Henderson Properties Ltd | Administrative & support | 2016 |
| M. H Traffic Management (North) Limited | Construction | 2024 |
| Magnificientech Solutions Limited | Information & communication | 2025 |
| Making Moves (North East) Limited | Real estate | 2024 |
| Malloy Accounting Limited | Professional & scientific | 2016 |
| Mark Liddle Fitting Ltd | Manufacturing | 2026 |
| Miller & Lancaster Lettings Limited | Real estate | 2019 |
| Millie's American Diner Ltd | Hospitality | 2021 |
| Milsal Property Ltd | Real estate | 2026 |
| Mitty Private Ltd | Wholesale & retail | 2026 |
| MJC Torque Solutions Ltd | Professional & scientific | 2019 |
| Monster Card UK Ltd | Wholesale & retail | 2024 |
| Moorside Trading Ltd | Hospitality | 2019 |
| MP System Interiors Ltd | Construction | 2011 |
| Mpfm Limited | Mining & quarrying | 2008 |
| MSM Marketing (N.E) Ltd | Wholesale & retail | 2025 |
| MTA Global Discounts Ltd | Wholesale & retail | 2022 |
| MW8 Holdings Limited | Financial services | 2026 |
| My Hospitality Solutions Ltd | Administrative & support | 2020 |
| N & J Finance LLP | | 2014 |
| N&H Sahajpal Ltd | Wholesale & retail | 2023 |
| NE Help CIC | Hospitality | 2021 |
| Nilas Stores Ltd | Wholesale & retail | 2020 |