| Quality Bites Limited | Manufacturing | 2013 |
| Quality Building Services (Midlands) Limited | Construction | 2008 |
| Quality Echo Ltd | Health & social care | 2024 |
| Quality F. & VEG Ltd. | Professional & scientific | 2019 |
| Quality Roofing (Midlands) Ltd | Construction | 2025 |
| Quant-Ai & Blast Ltd | Professional & scientific | 2024 |
| Quantum Care PVT Ltd | Health & social care | 2014 |
| Quantum Interiors Ltd | Construction | 2022 |
| Quantum Scientific Advisory and Consulting Ltd | Professional & scientific | 2023 |
| Quantx IT Ltd | Information & communication | 2026 |
| Quartet Foods Limited | Hospitality | 2024 |
| Quartz and ALL Store Ltd | Wholesale & retail | 2024 |
| Quartz Improvements Ltd | Construction | 2009 |
| Quartz-Bond Roofing and Building Company Limited | Construction | 1986 |
| Quba Financial Services Ltd | Financial services | 2025 |
| QUE Retail Ltd | Wholesale & retail | 2024 |
| Que's Property Services Ltd. | Real estate | 2019 |
| Quest Automotives Ltd | Wholesale & retail | 2023 |
| Quest Offshore Ltd | Construction | 2020 |
| Quest Search and Selection Limited | Administrative & support | 1995 |
| Quick Fit Flooring Ltd | Construction | 2019 |
| Quick GAS and Plumbing Solution Ltd | Construction | 2025 |
| Quickdone Ltd | Information & communication | 2025 |
| Quickfix Auto Centre (Midlands) Ltd | Wholesale & retail | 2019 |
| Quicktime Logistics Services Limited | Transport & logistics | 2022 |
| Quinton Practice GPF Limited | Professional & scientific | 2013 |
| Quorex Ltd | Wholesale & retail | 2025 |
| Quoteford Engineering Limited | Manufacturing | 1979 |
| Quwa Holdings Ltd | Financial services | 2023 |
| QVS Pro Limited | Administrative & support | 2010 |
| R & C Traders Ltd | Wholesale & retail | 2023 |
| R & H Fashions UK Limited | Wholesale & retail | 2012 |
| R & J Accountants Ltd | Professional & scientific | 2011 |
| R & J Engineering Limited | Professional & scientific | 2003 |
| R & J Real Estates Ltd | Real estate | 2025 |
| R & J Supported Housing Ltd | Real estate | 2019 |
| R & J Trading Ltd | Transport & logistics | 2010 |
| R & R Properties Group Ltd | Real estate | 2025 |
| R & R Property Holdings Ltd | Financial services | 2026 |
| R & R Property Trading Ltd | Real estate | 2026 |
| R & S Properties (UK) Limited | Other services | 2003 |
| R a Abbotts Limited | Administrative & support | 2016 |
| R an R Holdings Ltd | Financial services | 2022 |
| R and S Facade Design Limited | Professional & scientific | 2016 |
| R B Conversions Limited | Construction | 2008 |
| R Barton Developments Ltd | Construction | 2014 |
| R C Flooring & Company Ltd | Construction | 2018 |
| R F Property & Estates Limited | Real estate | 2011 |
| R Glaze Plastering Ltd | Construction | 2015 |
| R H Motors (Walsall) Limited | Wholesale & retail | 2019 |
| R J Amos Metals (1997) Limited | Water & waste | 1997 |
| R J Garvey Ltd | Information & communication | 2015 |
| R J Holmes Domestic Electrical Ltd | Construction | 2023 |
| R J Holmes Electrical Services Limited | Construction | 2017 |
| R J Taylor Trading Ltd | Other services | 2017 |
| R K Groceries Ltd | Wholesale & retail | 2024 |
| R Kandola Constructions Ltd | Construction | 2024 |
| R London Limited | Hospitality | 2024 |
| R Martin Brickwork Limited | Construction | 2017 |
| R N C Couriers Limited | Transport & logistics | 2007 |
| R P L Carpentry Contractors Ltd | Construction | 2019 |
| R S Faulkner & Co Ltd | Construction | 2026 |
| R Star Limited | Construction | 2025 |
| R Stringer & Co Builders Ltd | Construction | 2025 |
| R V Astley Ltd | Wholesale & retail | 2012 |
| R W Services Contractors Limited | Construction | 2011 |
| R W Services Plant Hire Limited | Administrative & support | 2013 |
| R Wall Consultants Limited | Professional & scientific | 2025 |
| R&D Bahia Ltd | Real estate | 2025 |
| R&D Properties (WM) Ltd | Real estate | 2025 |
| R&D&M Limited | Financial services | 2024 |
| R&E Transport Ltd | Transport & logistics | 2026 |
| R&J Facilities Maintenance Ltd | Administrative & support | 2025 |
| R&J Tree Services Ltd | Agriculture & fishing | 2022 |
| R&Jfireprotection Ltd | Public administration | 2020 |
| R&K Travel Ltd | Transport & logistics | 2020 |
| R&M Boutique Ltd | Wholesale & retail | 2025 |
| R&R Aerosol Systems Ltd | Manufacturing | 2009 |
| R&S Electrical Installation Ltd | Construction | 2020 |
| R&S Ventures Limited | Real estate | 2018 |
| R&V Roofing & Landscaping Limited | Construction | 2026 |
| R.A.K. Fasteners Limited | Manufacturing | 1994 |
| R.Bahia Ltd | Health & social care | 2023 |
| R.D. Jukes & Co. Limited | Construction | 1974 |
| R.F. Holdings Limited | Financial services | 1993 |
| R.H.N. Riley (Insurances) Limited | Financial services | 1958 |
| R.K. News Limited | Wholesale & retail | 2002 |
| R.K.A. Mortgages Ltd | Financial services | 2021 |
| R.M.C Solutions(Uk) Ltd | Health & social care | 2022 |
| R.M.S. Container Services Limited | Transport & logistics | 2003 |
| R.N Healthcare Ltd | Health & social care | 2013 |
| R.N.D.N. Properties Limited | Real estate | 2000 |
| R.S. Technical Consulting Ltd | Administrative & support | 2012 |
| R.S.J.Play Limited | Manufacturing | 2017 |
| R.U.N Enterprise Ltd | Wholesale & retail | 2020 |
| R.Venables Roofing Limited | Construction | 2018 |
| R.W. Print Limited | Administrative & support | 2002 |
| R2 Electrical Installations Ltd | Construction | 2009 |
| R21 Investments Ltd | Real estate | 2020 |
| R2R Letting Limited | Real estate | 2020 |