| 4 Front Driver Training Limited | Education | 2019 |
| Absolutely Fabrics UK Limited | Wholesale & retail | 2005 |
| Absolutley Fabrics Limited | Wholesale & retail | 2023 |
| Aces Couture Limited | Wholesale & retail | 2005 |
| Alison Meldrum Limited | Health & social care | 2020 |
| Alnwick Swim Academy Limited | Education | 2025 |
| Angelicious Limited | Hospitality | 2023 |
| Aniseed Creative Ltd | Arts & recreation | 2020 |
| Arconia Holdings Limited | Financial services | 2011 |
| Assess My Property Limited | Other services | 2023 |
| Bastion Cryogenics Limited | Administrative & support | 2024 |
| Bastion Glassfibre ROD & Sections Limited | Manufacturing | 1973 |
| Bell Ventilation Holdings Limited | Financial services | 2023 |
| Birchwood Projects Limited | Construction | 2026 |
| Blind With Envy Limited | Other services | 2022 |
| Brack Office Limited | Wholesale & retail | 2018 |
| Brickton Limited | Real estate | 2020 |
| Broken Fuse Ltd | Manufacturing | 1991 |
| Buymargin Limited | | 1988 |
| China Cook Limited | Hospitality | 2021 |
| Chris Waugh Limited | Other services | 2022 |
| CM Tiling Northern Limited | Construction | 2023 |
| Cyber Teach Limited | Real estate | 2001 |
| Dalosa UK Ltd | Extraterritorial | 2014 |
| Dgreen Electronics Limited | Manufacturing | 2023 |
| Enyara Limited | Information & communication | 2025 |
| EW Mortgages Limited | Financial services | 2025 |
| Faded Men's Barbering (Gateshead) Limited | Other services | 2024 |
| Fenside Properties Limited | Real estate | 2025 |
| Fife and Kimmitt Residential Properties Ltd | Real estate | 2025 |
| Fife and Kimmitt Surveyors Limited | Other services | 2003 |
| Fife Energy North East Limited | Professional & scientific | 2023 |
| Firstlite Holdings Limited | Financial services | 2022 |
| Ganley Property Limited | Real estate | 2026 |
| GET10YARDS UK Limited | Wholesale & retail | 2009 |
| Global NDT Limited | Professional & scientific | 2022 |
| Global NDT Services Limited | Professional & scientific | 2022 |
| Green Birches Limited | Administrative & support | 2018 |
| Helena Services Limited | Professional & scientific | 1996 |
| Homequest Mortgages Limited | Financial services | 2019 |
| Hong Kong Dragon Limited | Hospitality | 2021 |
| Imperial Energy Team Limited | Professional & scientific | 2013 |
| Interlet Property Investment Consultants Limited | Real estate | 2005 |
| Island Apparel Limited | Wholesale & retail | 2022 |
| IT Figures Accounting Services Limited | Professional & scientific | 2016 |
| J Gallagher Properties Limited | Real estate | 2020 |
| J Water Disabled Children Limited | Manufacturing | 2018 |
| John Mcculla Consultancy Limited | Professional & scientific | 2025 |
| JR RECOVERY2FITNESS Ltd | Health & social care | 2021 |
| JSP Developments Limited | Real estate | 1997 |
| JYH Services Ltd | Information & communication | 2026 |
| Kimmitt and Roberts Estate Agents Limited | Real estate | 2012 |
| Kimmitt Lettings Limited | Real estate | 2013 |
| LCC Bell Developments Limited | Construction | 2017 |
| Leazes Park Estates Limited | Real estate | 1994 |
| M + K Services (Northern) Limited | Manufacturing | 2003 |
| Manchester Comparative Reagents Limited | Professional & scientific | 1985 |
| Mardele Limited | Real estate | 2021 |
| Mcghee Management Limited | Professional & scientific | 2017 |
| Mcvicar Property Limited | Real estate | 2021 |
| MK Chiropractic Ltd | Health & social care | 2024 |
| NDT Global Services (Holdings) Limited | Financial services | 2022 |
| NDT Global Services Limited | Professional & scientific | 2006 |
| Nevets Property Holdings Limited | Real estate | 2019 |
| Northern Algae Ltd | Agriculture & fishing | 2025 |
| One Landscapes Holdings Limited | Financial services | 2024 |
| One Landscapes Maintenance Limited | Professional & scientific | 2024 |
| Palintest Limited | Manufacturing | 1975 |
| Paradise Cottages Limited | Hospitality | 2022 |
| Park Electrical Distributors Limited | Wholesale & retail | 1992 |
| Patrick Ward Limited | Real estate | 2008 |
| Pingle Properties (Sunderland) Limited | Real estate | 2016 |
| Plenum Consultants Limited | Administrative & support | 2022 |
| Plenum Limited | Administrative & support | 2023 |
| Plenum Search Limited | Administrative & support | 2011 |
| Plumtree Brothers Ltd | Real estate | 2020 |
| PUY Cleaning Services Limited | Administrative & support | 2024 |
| Riverside Mortgage Advice Limited | Financial services | 2019 |
| Robinsonsca Limited | Professional & scientific | 2019 |
| Rogan Associates Limited | Administrative & support | 2018 |
| Rokeby Properties Limited | Real estate | 2020 |
| Roxy Visual Entertainments Limited | | 1986 |
| Saunders Enforcement Ltd | Administrative & support | 2022 |
| Sebila Creative Ltd | Professional & scientific | 2025 |
| Sentot Ltd | Real estate | 2024 |
| Sith Lord Ltd | Hospitality | 2020 |
| SJ Copy Limited | Administrative & support | 2023 |
| SJT Management Holdings Limited | Professional & scientific | 2016 |
| Soluis Limited | Real estate | 2021 |
| Speed 667 Limited | Real estate | 2013 |
| SPEED669 Limited | Extraterritorial | 2013 |
| Steve Atkinson Limited | Administrative & support | 2023 |
| Streets 'a' Head Northern Limited | Other services | 2025 |
| SVL Solutions Limited | Professional & scientific | 2019 |
| Team Rewinds Limited | Manufacturing | 1991 |
| THE Head Spa North East Ltd | Health & social care | 2024 |
| THE Northumbrian Magazine Ltd | Information & communication | 2015 |
| THE Social Type Marketing Ltd | Information & communication | 2023 |
| THE Team Valley Wellness Centre Ltd | Health & social care | 2003 |
| Toonpages Limited | Professional & scientific | 2009 |