| 31 & 32 Cranbrook Drive Freehold Limited | Real estate | 2015 |
| AB Aesthetics NCL Ltd | Other services | 2025 |
| Abec 2016 Ltd | Wholesale & retail | 2016 |
| Adam & EVE Holdings Limited | Hospitality | 2019 |
| Adam & EVE Public House Ltd | Hospitality | 2023 |
| Adcon Air Conditioning & Refrigeration Ltd | Construction | 2024 |
| Adsup Sign Services Ltd. | Construction | 2019 |
| AKK Consumables Ltd | Wholesale & retail | 2010 |
| ALL Seasons Funeral Directors Limited | Other services | 2017 |
| ALL Things Dog Limited | Other services | 2022 |
| Alnwick Real Estate Limited | Real estate | 2024 |
| Also Creative LLP | | 2017 |
| Amalglobalservices Ltd | Wholesale & retail | 2025 |
| Anna KAY Cycling Limited | Arts & recreation | 2020 |
| Aramee (NE) Ltd | Hospitality | 2014 |
| Arjun Products Limited | Wholesale & retail | 2006 |
| Artisan Joinery Limited | Manufacturing | 2003 |
| AS Design North East Limited | Professional & scientific | 2011 |
| Auld Alliance Cricket Coaching Limited | Education | 2023 |
| Aval Limited | Wholesale & retail | 1988 |
| Badgr Ltd | Information & communication | 2022 |
| BAL Supermarket Limited | Wholesale & retail | 2006 |
| Balance - Professional Mental Health Training Services Ltd | Health & social care | 2019 |
| Bangla Spice Ltd | Hospitality | 2020 |
| Baxter & Sons Ltd | Construction | 2023 |
| Beaumont Apartments Ltd | Hospitality | 2007 |
| BES Tours Ltd | Hospitality | 2022 |
| Beyond Strange Studios Limited | Information & communication | 2026 |
| Bicycle Repair MAN Limited | Wholesale & retail | 2010 |
| BJC Property Services Limited | Real estate | 2026 |
| Blanc Menswear Ltd | Wholesale & retail | 2019 |
| Blaydon Bathrooms Express Ltd | Wholesale & retail | 2022 |
| BP Electrical Services (NE) Ltd | Construction | 2023 |
| Bradley Hall Management Limited | Households | 2016 |
| Brantfield House Management Company Limited | Households | 2004 |
| Brightline Marketing Limited | Professional & scientific | 2026 |
| Bunnk Ltd | Information & communication | 2026 |
| Burnside Business Consultants Limited | Administrative & support | 2018 |
| Busybee Sellers Ltd | Wholesale & retail | 2023 |
| C & K Construction Limited | Construction | 2020 |
| C&S Knowles Property Investments Ltd | Real estate | 2018 |
| Cafe EN Route Limited | Hospitality | 2013 |
| Caffe Ginevra UK Limited | Hospitality | 2014 |
| Caitlinsjewlshop Ltd | Wholesale & retail | 2023 |
| Caldwell Engineering Consulting Limited | Professional & scientific | 2025 |
| Caris Robson LLP | | 2008 |
| Carlan Consultancy Ltd | Professional & scientific | 2025 |
| Casaperfectcleaning Limited | Administrative & support | 2026 |
| CDM Supplies Limited | Other services | 2017 |
| Centre for Research and Innovation in Social Policy and Practice | Professional & scientific | 1988 |
| Charlton Legal Services Limited | Professional & scientific | 2022 |
| Cheviot Property Solutions Ltd | Construction | 2025 |
| Child Psychiatry UK Ltd | Health & social care | 2011 |
| Christian Iddon Racing Limited | Arts & recreation | 2024 |
| Clarks Contracting Limited | Professional & scientific | 2014 |
| Club Supporter Ltd | Information & communication | 2018 |
| Coluxe Infinite Holdings Limited | Financial services | 2025 |
| Commercial & Industrial Interiors Ltd | Construction | 2005 |
| COMMITMENTANDRESPECT4EVERYONE Limited | Administrative & support | 2026 |
| Community Laundry Ltd | Administrative & support | 2025 |
| Convertifai Ltd | Information & communication | 2023 |
| Core (Northern) Ltd Ltd | Administrative & support | 2021 |
| Cornerways Consulting Ltd | Information & communication | 2017 |
| Crafty Cubs Ltd | Education | 2025 |
| Createch 3D Limited | Manufacturing | 2022 |
| Creative Cabinetry Limited | Construction | 2016 |
| Damene Andrew Hepworth Ltd | Extraterritorial | 2025 |
| Dave Malpas Consulting Ltd | Professional & scientific | 2014 |
| DBL Engineering Consultancy Limited | Manufacturing | 2022 |
| Decision Finance Limited | Financial services | 2015 |
| Deka Installations Limited | Construction | 2010 |
| DELIVERLOO4U Limited | Administrative & support | 2022 |
| Digital Accountancy (NE) Ltd | Professional & scientific | 2025 |
| Digital Creative Hub Limited | Professional & scientific | 2018 |
| Directorsfirm Limited | Real estate | 1991 |
| Dolan Plant Hire Services Ltd. | Construction | 2022 |
| Dontyne Property and Leisure Limited | Real estate | 2016 |
| DPM Enterprises Ltd | Construction | 2025 |
| DR MCS Limited | Professional & scientific | 1996 |
| Dragonfly Insulation Ltd | Manufacturing | 2019 |
| Dragontree Developments Limited | Real estate | 2021 |
| E-Knowledge Limited | Professional & scientific | 2015 |
| Earsential Ltd | Professional & scientific | 2024 |
| Ecogen Heating Ltd | Construction | 2023 |
| Ecpcmc Limited | Professional & scientific | 2023 |
| Edgewell Estates Limited | Real estate | 2020 |
| Edgewell Property Services Ltd | Real estate | 2020 |
| Elite Heating North East Ltd | Construction | 2021 |
| Embrace Physiotherapy Ltd | Health & social care | 2017 |
| Engaging Minds Matters Community Interest Company | Education | 2022 |
| Ephesus Barbers Limited | Other services | 2020 |
| ESD Consultancy Ltd | Professional & scientific | 2017 |
| Example Property Limited | Real estate | 2021 |
| Expected Marketing Solutions Limited | Extraterritorial | 2023 |
| Fawcetts Plumbing & Heating Ltd | Construction | 2021 |
| FCB Services Ltd | Construction | 2024 |
| Fell Gate Firewood Limited | Agriculture & fishing | 2020 |
| FFI Services NE Ltd | Professional & scientific | 2024 |
| Fire Smoke Security Research Ltd | Professional & scientific | 2018 |
| FIVE12 Lighting Ltd | Arts & recreation | 2012 |