| 07696260 Limited | Professional & scientific | 2011 |
| 1 4 Rent (Property Management) Ltd | Real estate | 2009 |
| 1 4 Sale Limited | Real estate | 2015 |
| 1 Northumberland Terrace Management Company Limited | Households | 2000 |
| 1 RXT Ltd | Hospitality | 2018 |
| 11 Northumberland Terrace Management Company Limited | Hospitality | 2008 |
| 12 Northumberland Square Management Company Limited | Households | 2025 |
| 121 Waves Ltd | Arts & recreation | 2012 |
| 129GROUP Ltd | Professional & scientific | 2021 |
| 131 North East Ltd | Real estate | 2023 |
| 16 Beverley Terrace Limited | Real estate | 2011 |
| 16 Degree Shift Training and Consultancy Ltd | Professional & scientific | 2019 |
| 19 Plus C.I.C. | Education | 2014 |
| 2 John Street Cullercoats Management Company Limited | Households | 1997 |
| 2 RXT Ltd | Hospitality | 2020 |
| 20 Northumberland Square Management Company Ltd | Real estate | 2022 |
| 21ST Century Lindisfarne Ltd | Arts & recreation | 2014 |
| 23 to 26 East Parade and 1 Brook Gardens, Whitley Bay Management Limited | Extraterritorial | 1997 |
| 24 Group Industries Limited | Administrative & support | 2022 |
| 24 Hour Lock Company Limited | Other services | 2003 |
| 24 Percy Gardens Tynemouth Limited | Real estate | 2003 |
| 25 John Street Management Company Limited | Households | 2006 |
| 27 Percy Gardens Limited | Professional & scientific | 1989 |
| 29 Kitchen Ltd. | Hospitality | 2019 |
| 29 Northumberland Square Management Company Limited | Households | 2022 |
| 2D Golf Ltd | Arts & recreation | 2026 |
| 3 Cleveland Road Management Company Limited | Hospitality | 2006 |
| 33 Percy Gardens Property Management Company Limited | Households | 2006 |
| 36 Percy Gardens Management Company Limited | Households | 2018 |
| 360 RI Ltd | Professional & scientific | 2016 |
| 360 VR Productions 2020 Ltd | Information & communication | 2018 |
| 360MID Ltd | Professional & scientific | 2020 |
| 360SE Ltd | Professional & scientific | 2018 |
| 365 Fulfilment Ltd | Wholesale & retail | 2021 |
| 37 Percy Gardens (Management Company) Limited | Households | 2002 |
| 3EMP Transport Ltd | Transport & logistics | 2021 |
| 3TALES PVT. Ltd | Hospitality | 2025 |
| 4 the Company Ltd | Information & communication | 2018 |
| 40 Percy Park Management Company Limited | Hospitality | 2006 |
| 41 Ferme Park Road Limited | Households | 2006 |
| 43 Percy Park Management Company Tynemouth Limited | Households | 2024 |
| 46 Percy Park Management Company Limited | Households | 2017 |
| 48/49 Percy Park Properties Limited | Households | 1994 |
| 4REALDIGITAL Limited | Information & communication | 2005 |
| 4TH Avenue Ltd | Other services | 2017 |
| 4X4 Auto Repairs Ltd | Wholesale & retail | 2019 |
| 4YOURTENDERLIST Ltd | Construction | 2018 |
| 5 Leaf Properties Ltd | Real estate | 2024 |
| 5 RXT Ltd | Hospitality | 2025 |
| 53 Percy Park Limited | Real estate | 1987 |
| 55 Degrees North East Limited | Construction | 2021 |
| 55 Leisure (Tynemouth) Ltd | Hospitality | 2010 |
| 55 Property Holdings Ltd | Real estate | 2016 |
| 574 Group Limited | Construction | 2025 |
| 574 Property Limited | Construction | 2025 |
| 59 Percy Park Management Company Limited | Households | 2006 |
| 6 Barrels Limited | Wholesale & retail | 2024 |
| 6 Priors Terrace Management Company Limited | Households | 2019 |
| 7 Priors Terrace Management Company Limited | Households | 1998 |
| 8 Priors Terrace, North Shields (Management) Ltd | Real estate | 2013 |
| 9 Alma Management Limited | Households | 2021 |
| 9 Priors Terrace Tynemouth Management Company Limited | Households | 2023 |
| @Kins Plumbing and Heating Limited | Construction | 2023 |
| A & B Garage Services Limited | Administrative & support | 2003 |
| A & C Properties North East Limited | Real estate | 2016 |
| A & J (N/East) Ltd | Manufacturing | 2002 |
| A B Coating Northeast Ltd | Construction | 2020 |
| A Hansen Building and Joinery Services Limited | Construction | 2010 |
| A Healthy Awareness CIC | Health & social care | 2018 |
| A J Smith Joinery Limited | Construction | 2023 |
| A J Walton Architecture Limited | Professional & scientific | 2018 |
| A Mcgann Building Contractors Limited | Construction | 2003 |
| A Robinson Autocentre Limited | Wholesale & retail | 2004 |
| A Taylor Offshore Limited | Professional & scientific | 2026 |
| A Time 2 Talk Community Interest Company | Health & social care | 2016 |
| A&Arose Hospitality Ltd | Hospitality | 2026 |
| A&C Holdings (North East) Limited | Financial services | 2025 |
| A&C Jordan Ltd | Professional & scientific | 2014 |
| A&C Motorcompany Ltd | Wholesale & retail | 2022 |
| A&F Residential Ltd | Real estate | 2020 |
| A&Lriley Limited | Professional & scientific | 2019 |
| A&O Holdings Limited | Real estate | 2023 |
| A. Dunn Design Limited | Professional & scientific | 2019 |
| A. T. H. Contracts Limited | Construction | 2016 |
| A.J.C Contracting Services Limited | Professional & scientific | 2025 |
| A.M.S. Upholstery Limited | Water & waste | 1997 |
| A.T.D Childrens Entertainment Ltd | Hospitality | 2026 |
| A14 Tyres Limited | Wholesale & retail | 1999 |
| AA Coatings Ltd | Manufacturing | 2025 |
| AAA NE Security Services Ltd | Administrative & support | 2026 |
| AAD Estates Limited | Real estate | 2023 |
| AAD Retail Ltd | Wholesale & retail | 2025 |
| AB Podiatry Limited | Health & social care | 2025 |
| Abbotsvale Property Maintenance Ltd | Real estate | 2017 |
| ABC Tyne Building Services Ltd | Construction | 2026 |
| Abco Management Limited | Professional & scientific | 1997 |
| ABK Flat Roofing Specialist and Maintenance Ltd | Construction | 2024 |
| ABL Catering Services Ltd | Hospitality | 2017 |
| Academy of AI Excellence Limited | Education | 2023 |
| Academy Refrigeration Ltd | Manufacturing | 2014 |