| QS Gloucestershire Ltd | Professional & scientific | 2018 |
| Qualean Engineering Services Limited | Professional & scientific | 2023 |
| Qualitek Ltd | Professional & scientific | 2002 |
| Quality Connectivity Limited | Manufacturing | 2017 |
| Quality Discretion and Security Limited | Financial services | 2017 |
| Quality Inns of Gloucestershire Limited | Hospitality | 1990 |
| Qualmind Limited | Professional & scientific | 2013 |
| Quanta Systems Ltd | Information & communication | 2023 |
| Quantemplate Research Limited | Information & communication | 2010 |
| Quantum Leap Design Consultants Limited | Professional & scientific | 2025 |
| Quantum Leap Design Limited | Manufacturing | 2017 |
| Quantuvis Consulting Limited | Professional & scientific | 2009 |
| Quarhouse Property Ltd | Construction | 2021 |
| Quattro Design Architects Limited | Professional & scientific | 2003 |
| Quattro Design Limited | Professional & scientific | 1992 |
| Quattro Management & Services Limited | Administrative & support | 2019 |
| Quay Residential Lets Limited | Extraterritorial | 2020 |
| Quay Side Grill Ltd | Hospitality | 2022 |
| Quays Minimarket Ltd | Wholesale & retail | 2025 |
| Quayside Accounting Limited | Administrative & support | 2018 |
| Quayside Cars Ltd | Wholesale & retail | 2020 |
| Quayside Commercials Limited | Wholesale & retail | 2023 |
| Quayside Fitness Ltd | Arts & recreation | 2017 |
| Quayside Peri Peri Ltd | Hospitality | 2025 |
| Quayside Wealth Management Ltd | Financial services | 2014 |
| Quaytherm Manufacturing Ltd | Manufacturing | 2020 |
| Quba Catering Ltd | Hospitality | 2025 |
| Quecon Gloucester CIC | Hospitality | 2024 |
| Quedgeley Carpets Ltd | Wholesale & retail | 2013 |
| Queen BEE Cleaning Services Ltd | Administrative & support | 2023 |
| Queens Gate Management Company (Cheltenham) Limited | Households | 2006 |
| Queensholme (Cheltenham) Management Company Limited | Households | 1999 |
| Quest Assessments Limited | Professional & scientific | 2008 |
| Quest Consultancy and Management Ltd | Professional & scientific | 2014 |
| Questnest Ltd | Real estate | 2023 |
| Quick Air Refrigeration and Air Conditioning Ltd | Manufacturing | 2024 |
| Quick Skips Glos Ltd | Wholesale & retail | 2025 |
| Quickbar Limited | Wholesale & retail | 2008 |
| Quickify Ltd | Wholesale & retail | 2026 |
| Quickmach Engineering Limited | Manufacturing | 2001 |
| Quicksilver Cars UK Limited | Transport & logistics | 2025 |
| Quicksilver Project Controls Limited | Professional & scientific | 2015 |
| Quicksportuk Ltd | Wholesale & retail | 2019 |
| Quiet Cove Massage Therapies Limited | Health & social care | 2026 |
| Quinexis Primary Care Consulting Limited | Professional & scientific | 2026 |
| Quinn Surveyors Ltd | Financial services | 2015 |
| Quintax Holdings Limited | Information & communication | 2025 |
| Quinton (Quedgeley) Management Company Limited | Real estate | 2014 |
| Quolux Limited | Professional & scientific | 2008 |
| Quone Holdings Ltd | Real estate | 2021 |
| Qwiqr Education Ltd | Information & communication | 2022 |
| R & B Walters Ltd | Real estate | 2021 |
| R & D Vaughan Ltd | Education | 2020 |
| R & J Consultancy Services Ltd | Professional & scientific | 2017 |
| R & J Harding Property Limited | Real estate | 2024 |
| R & R Levy Limited | Administrative & support | 2002 |
| R a Landscaping Ltd | Construction | 2020 |
| R Alstone Decorators Limited | Construction | 2025 |
| R B Walters Estate Agents Ltd | Real estate | 2021 |
| R Brazil Developments Ltd | Construction | 2022 |
| R Brazil Storage Ltd | Administrative & support | 2022 |
| R D Gardiner Rentals Ltd | Real estate | 2024 |
| R D Heating Services Limited | Construction | 2003 |
| R D Wealth Management Limited | Financial services | 2016 |
| R Design Treehouses Ltd | Manufacturing | 2018 |
| R Dunn Plumbing and Heating Limited | Construction | 2023 |
| R E Estates Ltd | Real estate | 2024 |
| R F M Consulting Limited | Professional & scientific | 2008 |
| R Follows & Sons Ltd | Wholesale & retail | 2023 |
| R J Hunt & Sons Ltd | Manufacturing | 2016 |
| R J M Haines Ltd | Administrative & support | 2014 |
| R Knight Chauffeur Services Ltd | Transport & logistics | 2014 |
| R Knight Hospitality Ltd | Hospitality | 2024 |
| R M James Transport Limited | Transport & logistics | 2008 |
| R M Parry Ltd | Construction | 2012 |
| R Matheo Transport Ltd | Transport & logistics | 2024 |
| R Meadows Electrical Ltd | Construction | 2015 |
| R Munir Limited | Health & social care | 2023 |
| R Naylor Properties Ltd | Real estate | 2025 |
| R O Gibbons Ltd | Financial services | 2019 |
| R Pinder Properties Limited | Construction | 2016 |
| R S Roofing & Building Services Ltd | Construction | 2020 |
| R Smart Productions Ltd | Information & communication | 2023 |
| R Tudor Holdings Limited | Financial services | 1991 |
| R W Davis & SON Ltd | Manufacturing | 2000 |
| R&B Electric Limited | Manufacturing | 2009 |
| R&D Home Rentals Ltd | Real estate | 2025 |
| R&H Boyz Ltd | Transport & logistics | 2024 |
| R&J Contracting (Glos) Limited | Construction | 2025 |
| R&L Dining Group Ltd | Hospitality | 2025 |
| R&M Properties (Gloucestershire) Limited | Real estate | 2019 |
| R&R Electrical Contractors Ltd | Construction | 2013 |
| R&Rmanagedinvestments Limited | Households | 2022 |
| R&Sons Ltd | Wholesale & retail | 2019 |
| R. & R. Ceilings Limited | Wholesale & retail | 1983 |
| R. Jarvis (Jewellers) Limited | Professional & scientific | 1964 |
| R.A.S.R Properties Ltd | Households | 2026 |
| R.D.C GAS Services Limited | Construction | 2024 |
| R.E.A.L. Alternative Provision School | Education | 2014 |
| R.E.A.L. Education Limited | Education | 2008 |