| "Y" Salon Limited | Other services | 2003 |
| &Tonic Agency Ltd | Professional & scientific | 2023 |
| 'THE Wave' Management Company Limited | Real estate | 2008 |
| 00230111 Limited | Information & communication | 1928 |
| 00719389 Limited | Professional & scientific | 1962 |
| 0098 Accounting Ltd | Professional & scientific | 2024 |
| 01906302 Limited | Construction | 1985 |
| 02066477 Limited | Wholesale & retail | 1986 |
| 03541143 Limited | Construction | 1998 |
| 05748280 Ltd | Construction | 2006 |
| 05860848 Limited | Wholesale & retail | 2006 |
| 0606 Ltd | Professional & scientific | 2023 |
| 06500512 Limited | Wholesale & retail | 2008 |
| 0800 Plastering Limited | Construction | 2025 |
| 0800 Rewire Limited | Construction | 2021 |
| 08076670 Limited | Arts & recreation | 2012 |
| 1 - 12 Pennyroyal Road RTM Company Limited | Real estate | 2013 |
| 1 Bath Terrace Limited | Extraterritorial | 1998 |
| 1 Grand Parade Management Limited | Extraterritorial | 2005 |
| 1 Granville Road (Jesmond) Ltd | Households | 2020 |
| 1 Ifield Road Management Limited | Professional & scientific | 1997 |
| 1 Meldon Terrace Management Company Limited | Households | 2015 |
| 1 Neet Ltd | Hospitality | 2025 |
| 1 Stop Fire Management Limited | Public administration | 2019 |
| 1 Sycamore Square Ltd | Construction | 2022 |
| 1 Tankerville Terrace Limited | Other services | 2003 |
| 1-ECOMMERCE Ltd | Information & communication | 2012 |
| 10 North East LLP | | 2011 |
| 10-24 Lynmouth Road Norton Management Company Limited | Households | 2009 |
| 100 Osborne Road Freehold Limited | Households | 2020 |
| 100KOD Limited | Real estate | 2022 |
| 105-111 ST Cuthberts Road Freehold Limited | Extraterritorial | 2016 |
| 108 / Lagree Ltd | Health & social care | 2026 |
| 109 General Store Ltd | Wholesale & retail | 2019 |
| 10FOOTBALLS Limited | Arts & recreation | 2015 |
| 10TEN Talent Limited | Professional & scientific | 2014 |
| 11 Belle Grove Terrace Limited | Households | 1999 |
| 11-12 Priors Terrace RTM Company Limited | Households | 2010 |
| 11126118 Limited | Real estate | 2017 |
| 115 Osborne Road Limited | Households | 1997 |
| 115SJR Ltd | Real estate | 2022 |
| 1181 Properties Limited | Real estate | 2019 |
| 11TH Hour Sound Ltd | Information & communication | 2019 |
| 12 Akenside Terrace Management Company Limited | Real estate | 2012 |
| 12 Bigg Market Ltd | Hospitality | 2018 |
| 12 Muqam Ltd | Hospitality | 2025 |
| 12 Victoria Square (Newcastle) Management Company Limited | Administrative & support | 2004 |
| 124 ST George's Terrace Freehold Limited | Real estate | 2018 |
| 125SGT Limited | Real estate | 2021 |
| 1265 Degrees North Ltd. | Manufacturing | 2016 |
| 13 Akenside (Management) Limited | Households | 1988 |
| 13 Holdings Ltd | Information & communication | 2015 |
| 13 Percy Street Ltd | Real estate | 2020 |
| 1313 Bhinder Transport Ltd | Transport & logistics | 2025 |
| 1330 Holdco Limited | Administrative & support | 2024 |
| 137 Osborne Road Management Limited | Real estate | 1998 |
| 14 Granville Gardens Management Company Limited | Hospitality | 1993 |
| 14 Highbury Place Limited | Households | 1994 |
| 14 Silver Street Holdings Ltd | Real estate | 2024 |
| 14 West Avenue Management Company Limited | Real estate | 2009 |
| 140 West Hill Management Company Limited | Households | 2012 |
| 15 Sylvan Avenue RTM Company Limited | Real estate | 2010 |
| 16 MRM Limited | Real estate | 2024 |
| 16 Priory Limited | Real estate | 2022 |
| 1628 Ltd | Real estate | 2021 |
| 17 Eslington Terrace Freehold Limited | Real estate | 2021 |
| 1734 Group Ltd | Financial services | 2021 |
| 174 Bishops Road Ltd | Households | 2017 |
| 187 Ltd | Real estate | 2025 |
| 19 Green Street Limited | Households | 2024 |
| 19 Ifield Road Management Limited | Professional & scientific | 1997 |
| 19 West Avenue (Management) Company Limited | Real estate | 2010 |
| 19/20 Northside (Stamfordham) Limited | Households | 2013 |
| 1911 Holdings Ltd | Professional & scientific | 2018 |
| 1931 MC Limited | Education | 2024 |
| 1957 Afropolitan Place Ltd. | Administrative & support | 2022 |
| 1998 Ltd | Wholesale & retail | 2023 |
| 1BB Ltd | Construction | 2018 |
| 1NG Limited | Construction | 2009 |
| 1RAD Ltd. | Wholesale & retail | 2024 |
| 1ST Call Property Services NE Ltd | Construction | 2021 |
| 1ST Choice Training Ltd | Education | 2010 |
| 1ST Class Mailing Limited | Transport & logistics | 2009 |
| 1ST Electrical Ltd | Construction | 2024 |
| 1ST for Fabrics Ltd | Wholesale & retail | 2003 |
| 1ST Gear Motors North East Ltd | Wholesale & retail | 2017 |
| 1V1 London Ltd | Manufacturing | 2026 |
| 2 Apple Tree Ltd | Hospitality | 2022 |
| 2 Ashleigh Grove Management Company Limited | Households | 1994 |
| 2 Burdon Terrace Limited | Households | 1992 |
| 2-12 Staward Avenue Property Management Company Limited | Extraterritorial | 1997 |
| 20 Eslington Terrace Management Company Limited | Hospitality | 2007 |
| 20/20 Direct Ltd | Wholesale & retail | 2025 |
| 206 LAB Ltd | Wholesale & retail | 2025 |
| 21 D Property Limited | Real estate | 2025 |
| 21 Hospitality Group Limited | Professional & scientific | 1996 |
| 21 Lettings Limited | Real estate | 2015 |
| 21 Management Ltd | Households | 2025 |
| 21 Refurbishments Limited | Real estate | 2024 |
| 213 Devons Road RTM Company Limited | Households | 2008 |