| 1A Shutters & Grills Ltd | Manufacturing | 2008 |
| 40/46 the Side Newcastle Limited | Hospitality | 1996 |
| 55 Degrees Digital Limited | Professional & scientific | 2025 |
| A Williams Ltd | Professional & scientific | 2015 |
| Abode Co. Estates Limited | Real estate | 2022 |
| Accipiter Ltd | Professional & scientific | 2021 |
| Adore Golf Limited | Wholesale & retail | 2012 |
| Advanced Dental Services Ltd | Manufacturing | 2012 |
| Advanced Energy Protection Limited | Professional & scientific | 2026 |
| Aircraft Consultancy & Equipment Sales Limited | Administrative & support | 1997 |
| Ajay Brickwork Limited | Construction | 2015 |
| Alex Barbers Newcastle Ltd | Other services | 2021 |
| Alexandra Stobbs Limited | Education | 2026 |
| ALL Floors (Services) Limited | Manufacturing | 2000 |
| Alloniq Ltd | Information & communication | 2026 |
| AMA Barber Ltd | Other services | 2023 |
| AMC Surveyors Ltd | Professional & scientific | 2017 |
| Amelia Elle Construction & Management Services Limited | Construction | 2023 |
| Amelia Elle Property Lets Ltd | Construction | 2021 |
| Amor Healthcare Limited | Health & social care | 2012 |
| Analytica Laboratories Ltd | Professional & scientific | 2020 |
| Anything Consultancy Ltd | Other services | 2019 |
| Apex Time Critical (MAN) Ltd | Transport & logistics | 2026 |
| Apex Time Critical Ltd | Transport & logistics | 2023 |
| Arbeia Corporation Limited | Financial services | 2017 |
| Arbeia Developments Limited | Construction | 2017 |
| Arbeia Property Limited | Real estate | 2017 |
| Arena Engineering GB Limited | Construction | 1996 |
| Argentic Solutions Ltd | Education | 2026 |
| Armstrong Rhead Limited | Administrative & support | 2009 |
| Aspire Health Group North East Limited | Health & social care | 2022 |
| AT Quinn Ltd | Health & social care | 2025 |
| Attler Ltd | Real estate | 2022 |
| Austin Chocolates Limited | Wholesale & retail | 2025 |
| Baltimore Gray Limited | Administrative & support | 2016 |
| Bardex Energy UK, Limited | Manufacturing | 2023 |
| Bari Jones Anaesthesia Limited | Health & social care | 2019 |
| Barkers Motorcycles Ltd | Wholesale & retail | 2019 |
| Bawve Beauty Salon Ltd | Other services | 2025 |
| Bazn Ltd | Public administration | 2020 |
| BD Electrical NE Limited | Professional & scientific | 2013 |
| BDQ Freelancing Limited | Wholesale & retail | 2019 |
| Bedi Surgicals Ltd | Health & social care | 2024 |
| Big G Grocers Ltd | Wholesale & retail | 2024 |
| Bio-Shield Specialist Cleaning Ltd | Administrative & support | 2026 |
| Blockchain Svcs Ltd | Information & communication | 2018 |
| Boldon Baths and Tiles Ltd | Wholesale & retail | 2008 |
| Boldon Nails Ltd | Other services | 2024 |
| Boldon Tyre Services Ltd | Wholesale & retail | 2024 |
| Bongowongo Ltd | Information & communication | 2021 |
| Bradley O'Mahoney Public Relations Limited | Professional & scientific | 2008 |
| Bridge Referrals Ltd | Professional & scientific | 2021 |
| Brown and Vaughan Limited | Wholesale & retail | 2022 |
| BSS Sunderland Ltd | Education | 2025 |
| Bukie Signature Consulting Ltd | Professional & scientific | 2024 |
| Byron Residential Limited | Other services | 2021 |
| Canny Xtal Ltd | Wholesale & retail | 2026 |
| Care Outcomes UK Limited | Administrative & support | 2012 |
| Career and Skills Hub Ltd | Education | 2024 |
| Careerwave Ltd | Professional & scientific | 2015 |
| Carousel Media Ltd | Professional & scientific | 2021 |
| CBJ Decorating Limited | Construction | 2022 |
| Cburnsbladerepairservices Ltd | Manufacturing | 2023 |
| CCR Solutions (UK) Limited | Administrative & support | 2014 |
| Chalmers European Limited | Transport & logistics | 2024 |
| Chapman Data & Information Services Ltd | Administrative & support | 2016 |
| Check HER Trade Ltd | Wholesale & retail | 2025 |
| Cherry Tree Privacy Ltd | Professional & scientific | 2023 |
| Chickory Ltd | Financial services | 2024 |
| Clerica Ltd | Administrative & support | 2025 |
| CMC Project Consultancy Ltd | Professional & scientific | 2015 |
| Cobra Futures Limited | Financial services | 2017 |
| Connexa Group Limited | Financial services | 2025 |
| Construction Refurbishment Services Limited | Construction | 2021 |
| Conway Kitchens Limited | Construction | 2015 |
| Coolrite Refrigeration Limited | Manufacturing | 1989 |
| CTS (NE) Limited | Construction | 2025 |
| D. J. Haswell Limited | Health & social care | 2011 |
| Dacai Services Limited | Manufacturing | 2015 |
| Deensavvy Academy Ltd | Education | 2022 |
| Delpack Ltd | Transport & logistics | 2025 |
| DPM Piping OIL & GAS Limited | Administrative & support | 2016 |
| Dru-Tech PMC Ltd | Other services | 2019 |
| DT Fabrication Limited | Manufacturing | 2016 |
| DTM Piping OIL and GAS Ltd | Construction | 2025 |
| Dunelm Roofing Ltd | Construction | 2015 |
| DY Wind and Ropes Ltd | Manufacturing | 2022 |
| Elliott Property NE Ltd | Households | 2020 |
| Emergency VET Team Ltd | Professional & scientific | 2025 |
| EMS Assist Ltd | Administrative & support | 2022 |
| Equity Hedge Limited | Financial services | 2022 |
| F & L Consultancy Limited | Other services | 2025 |
| Failte LEO Ltd | Health & social care | 2026 |
| Feathers Together Limited | Other services | 2020 |
| FGM Consultancy Ltd | Professional & scientific | 2019 |
| Field Print Limited | Manufacturing | 2015 |
| Flotech Projects Limited | Construction | 2015 |
| Foam Developments Ltd | Construction | 2020 |
| Freeqlo Holdings Ltd | Financial services | 2023 |
| Freeqlo Ltd | Wholesale & retail | 2020 |