| Pushh Developments Ltd | Real estate | 2013 |
| Pushh Investments Ltd | Administrative & support | 2015 |
| Pushh Properties Ltd | Real estate | 2026 |
| Puzzled Community Training CIC | Education | 2024 |
| Puzzled Education Ltd | Education | 2025 |
| Puzzled Training Ltd | Education | 2021 |
| PV Consulting Services Limited | Professional & scientific | 2025 |
| PVB Properties Limited | Construction | 2006 |
| Pwesl Limited | Professional & scientific | 2016 |
| PWG Engineering Limited | Information & communication | 2004 |
| PWP Enterprises Ltd | Real estate | 2020 |
| PXR Limited | Professional & scientific | 2024 |
| Pyronix Limited | Manufacturing | 1986 |
| Pyrotecnix Limited | Construction | 2003 |
| Python K9 Security Ltd | Administrative & support | 2025 |
| Q Retail Stores Ltd | Wholesale & retail | 2010 |
| Qandil UK Express Limited | Wholesale & retail | 2024 |
| Qandils Barbers Ltd | Other services | 2024 |
| QAS Jackos Ltd | Wholesale & retail | 2014 |
| Qashnova Ltd | Information & communication | 2024 |
| QBD Consulting Ltd | Other services | 2022 |
| QC China Garden Limited | Hospitality | 2023 |
| QC Trade Centre Birmingham Limited | Wholesale & retail | 2023 |
| Qground PUB Ltd | Hospitality | 2021 |
| QHC Ltd | Wholesale & retail | 2024 |
| Qintil Technology Limited | Information & communication | 2017 |
| QS Quiet Solutions Ltd | Construction | 2024 |
| Qualconvey Limited | Manufacturing | 1996 |
| Quali Solutions Ltd | Construction | 2021 |
| Qualis Products Ltd | Wholesale & retail | 2018 |
| Quality Care Partners Ltd | Administrative & support | 2025 |
| Quality Direct Office Supplies Limited | Wholesale & retail | 1996 |
| Quality Ferments Limited | Manufacturing | 2021 |
| Quality Heat Treatments Limited | Manufacturing | 1964 |
| Quality Pet Care Ltd | Professional & scientific | 2012 |
| Quality Steel Stock Limited | Manufacturing | 2007 |
| QUALITYCARE24 Ltd | Hospitality | 2009 |
| Qualter Ltd | Manufacturing | 2024 |
| Quantix SC Ltd | Professional & scientific | 2026 |
| Quantum Commercial Services Limited | Professional & scientific | 2020 |
| Quantum Construction & Rail Services Ltd | Construction | 2010 |
| Quantum Harmony Ltd | Information & communication | 2024 |
| Quantum Network Consultancy Limited | Professional & scientific | 2012 |
| Quantum Projex Ltd | Wholesale & retail | 2025 |
| Quarry Garage (Rotherham) Limited | Wholesale & retail | 1998 |
| Qubady Distribution Ltd | Wholesale & retail | 2026 |
| Qubik Design Ltd | Professional & scientific | 2026 |
| Quench Exports Limited | Extraterritorial | 2021 |
| Quirky Duck Designs Ltd | Wholesale & retail | 2023 |
| Quoteshappy Ltd | Professional & scientific | 2025 |
| R & a Contracting North Limited | Construction | 2023 |
| R & a Green Cleaning Services Limited | Construction | 2003 |
| R & a Property & Developments Limited | Real estate | 2025 |
| R & a Property Developments Limited | Real estate | 2014 |
| R & B Building Contractor Ltd | Construction | 2016 |
| R & R Rotherham Limited | Hospitality | 2024 |
| R a Collins Rigging Limited | Construction | 2018 |
| R and C Glass Limited | Manufacturing | 2007 |
| R B Property & Development Limited | Construction | 2003 |
| R Burgin Building Services Ltd | Construction | 2022 |
| R Butcher Grab Hire Ltd | Water & waste | 2008 |
| R C Electrical and Security Ltd | Construction | 2023 |
| R C Worthington Limited | Construction | 2010 |
| R Fletcher Building Renovations Ltd | Construction | 2026 |
| R Fletcher Kitchen Installation & Joinery Services Ltd | Construction | 2019 |
| R G Install Limited | Manufacturing | 2015 |
| R H Supplies Ltd | Wholesale & retail | 2010 |
| R J Building Ltd | Construction | 2019 |
| R J H Opportunities Ltd | Health & social care | 2016 |
| R J Humphreys Electrical Services Ltd | Construction | 2013 |
| R K Plant Hire Ltd | Administrative & support | 2023 |
| R M Heating & GAS Ltd | Construction | 2024 |
| R Mccabe Ltd | Health & social care | 2021 |
| R Mitchell Consulting Ltd | Professional & scientific | 2022 |
| R S Fire Limited | Construction | 2007 |
| R Suter Construction Ltd | Construction | 2026 |
| R U Estates Limited | Construction | 2010 |
| R W Bearings Limited | Wholesale & retail | 2005 |
| R Walton Plumbing & Heating Ltd | Construction | 2025 |
| R&D UK Consulting Ltd | Professional & scientific | 2023 |
| R&D UK Services Ltd | Professional & scientific | 2020 |
| R&J Consulting Ltd | Professional & scientific | 2026 |
| R.A.B Fabrications Limited | Manufacturing | 2017 |
| R.L.P. Construction Ltd | Construction | 2012 |
| R.R. Leisureways (Holdings) Limited | Financial services | 2025 |
| R.R. Leisureways (Two) Limited | Wholesale & retail | 1989 |
| R.R. Leisureways (U.K.) Limited | Wholesale & retail | 1979 |
| R.S.S.L. Realisations Limited | | 1923 |
| R.W Plumbing Services Ltd | Construction | 2025 |
| R4 Healthcare Limited | Health & social care | 2016 |
| RA Fire Protection Ltd | Professional & scientific | 2015 |
| RA Joinery (Maltby) Limited | Construction | 2023 |
| Race to the Moon Limited | Administrative & support | 2005 |
| Race Xtras Ltd | Wholesale & retail | 2023 |
| Racecroft Developments Limited | Construction | 2017 |
| Racelease Ltd | Real estate | 2025 |
| Rachael and AMY Limited | Health & social care | 2001 |
| Rachel Allison Protection Specialist Limited | Financial services | 2026 |
| Rack Fit Solutions UK Ltd | Construction | 2014 |
| RAD Eco Systems Limited | Construction | 2009 |