| Queensway Inns Opco 3 Limited | Hospitality | 2026 |
| Queensway Software Services Limited | Administrative & support | 2016 |
| Quendix Ltd | Information & communication | 2026 |
| Quenssh Ltd | Professional & scientific | 2024 |
| Quest Properties NE Ltd | Construction | 2025 |
| Quick Developments Limited | Real estate | 2006 |
| Quick Food Services Ltd | Hospitality | 2018 |
| Quick Global Traders Limited | Wholesale & retail | 2019 |
| Quick Mart Newcastle Ltd | Wholesale & retail | 2025 |
| Quick Mart Traders Ltd | Wholesale & retail | 2025 |
| Quick Pass Driving School Ltd | Education | 2026 |
| Quick Respond Security Ltd | Administrative & support | 2012 |
| Quickfix North East Ltd | Construction | 2025 |
| Quinic Media Limited | Information & communication | 2016 |
| Quinn Massey Productions Limited | Information & communication | 2023 |
| Quirky Leisure Group Limited | Real estate | 2024 |
| Quotient Logistics Ltd | Transport & logistics | 2026 |
| R & a Lampard Limited | Health & social care | 2007 |
| R & a Property North East LLP | | 2025 |
| R & B Armstrong Holdings Limited | Real estate | 2024 |
| R & C Jackson Limited | Education | 2009 |
| R & D Newcastle Limited | Hospitality | 2019 |
| R & K Hutchinson Family Investment Company Limited | Extraterritorial | 2017 |
| R & K Wood Planning LLP | | 2011 |
| R & P Woods Ltd | Wholesale & retail | 2006 |
| R & R Edwards and Sons Limited | Real estate | 2014 |
| R & R Talai Limited | Hospitality | 2016 |
| R & S Seafoods Ltd. | Hospitality | 2016 |
| R & W Scott Ltd | Manufacturing | 2004 |
| R . Hero Limited | Extraterritorial | 2004 |
| R .Mcglynn Transport Ltd | Transport & logistics | 2024 |
| R a Aesthetics NE Ltd | Other services | 2026 |
| R a Design Newcastle Ltd | Professional & scientific | 2020 |
| R Amusan Properties Ltd | Real estate | 2022 |
| R and B Property Holdings Ltd | Real estate | 2022 |
| R and G MAY Limited | Manufacturing | 1977 |
| R and S Khan Properties Ltd | Real estate | 2026 |
| R and Z Properties Ltd | Real estate | 2021 |
| R B Compliance Consultancy Ltd | Professional & scientific | 2012 |
| R Blackett Charlton Limited | Manufacturing | 2019 |
| R C & B Construction Ltd | Construction | 2024 |
| R D Consulting and Education Limited | Information & communication | 2011 |
| R Gibb Fabrication & Repairs Ltd | Manufacturing | 2012 |
| R House 1 Limited | Administrative & support | 2007 |
| R House 2 Limited | Administrative & support | 2008 |
| R House 3 Limited | Administrative & support | 2007 |
| R House 4 Limited | Administrative & support | 2008 |
| R House 5 Limited | Administrative & support | 2011 |
| R J Nicholson Estates Limited | Real estate | 2024 |
| R J Rowley Roofing Ltd | Construction | 2019 |
| R J Sanderson Electrical Services Limited | Construction | 2024 |
| R L Charles Limited | Professional & scientific | 2005 |
| R L Cunningham Limited | Professional & scientific | 2023 |
| R L Hummate UK Ltd | Wholesale & retail | 2021 |
| R L Moran Limited | Professional & scientific | 2005 |
| R M Corbett Ltd | Transport & logistics | 2011 |
| R Mcghee Wind Ltd | Manufacturing | 2023 |
| R N T Farming Company Limited | Agriculture & fishing | 1989 |
| R Norton Solutions Limited | Construction | 2019 |
| R Purves Consulting Ltd | Construction | 2017 |
| R Stokes Property Ltd | Construction | 2025 |
| R Tillman Holdings Limited | Financial services | 2021 |
| R Tillman Orthopaedics Limited | Health & social care | 2011 |
| R W Barrett & SON (Memorials) Limited | Other services | 2024 |
| R W Barrett and SON Funeral Services Limited | Other services | 2005 |
| R W Fowler Limited | Professional & scientific | 2015 |
| R W Moore Plumbing & Heating Ltd | Construction | 2026 |
| R& S (NE) Ltd | Construction | 2024 |
| R&A Accountancy Services (NE) Limited | Professional & scientific | 2019 |
| R&D Property Limited | Real estate | 2019 |
| R&M Diagnostics Limited | Health & social care | 2011 |
| R&Rbuildingservicesn.E Limited | Construction | 2025 |
| R'N'G Plastering Ltd | Construction | 2023 |
| R. & J. Tele Communications Limited | Construction | 1986 |
| R. Breen & Company Limited | Real estate | 1977 |
| R. Wilson Construction Limited | Construction | 2021 |
| R.C Kohistan UK Ltd | Manufacturing | 2020 |
| R.F.I. Limited | Professional & scientific | 1985 |
| R.F.S. Associates Ltd | Other services | 2010 |
| R.H.L.Heating Limited | Wholesale & retail | 2004 |
| R.H.W.E. Limited | Administrative & support | 1997 |
| R.J.Dodds & Son(Contractors)Limited | Real estate | 1959 |
| R.L. Proudlock & Sons Ltd | Transport & logistics | 2001 |
| R.L. Transport Ltd | Transport & logistics | 2005 |
| R.Manners & Sons Holding Company Limited | Professional & scientific | 2020 |
| R.Manners & Sons Limited | Wholesale & retail | 1954 |
| R.Mccreesh Ltd | Mining & quarrying | 2017 |
| R.S.L.D. Limited | Real estate | 2002 |
| R.W. Lynn Fencing Limited | Construction | 2003 |
| R.W. Toothill Public Limited Company | Water & waste | 1946 |
| R2 (RC) Recruitment Services Ltd | Administrative & support | 2022 |
| R2 Commerce Recruitment Services Ltd | Administrative & support | 2018 |
| R2 Global Recruitment Services Ltd | Administrative & support | 2018 |
| R2 Property Services Ltd | Households | 2020 |
| R2 Staffing Ltd | Administrative & support | 2024 |
| RA Civil Engineering Services Ltd | Construction | 2021 |
| RA Coreflow Support Ltd | Administrative & support | 2026 |
| RA Courier Services Ltd | Transport & logistics | 2023 |
| RA Express Logistics Limited | Transport & logistics | 2025 |
| RA Piping Services Limited | Professional & scientific | 2022 |