| Pulse Medispa Ltd | Other services | 2021 |
| Pulse Soccer Limited | Arts & recreation | 2007 |
| Pure Balance Pilates Ltd | Health & social care | 2016 |
| Pure Green Construction Ltd | Financial services | 2020 |
| Purely Automotive Limited | Administrative & support | 2014 |
| Purely Automotive Recruitment Ltd | Administrative & support | 2020 |
| Purple Peacock Property Ltd | Real estate | 2024 |
| Purple Pegasus Ltd | Real estate | 2015 |
| Purple Porpoise Limited | Wholesale & retail | 2011 |
| Purple Strawberry Projects Ltd | Professional & scientific | 2021 |
| Purpleloom Ltd | Information & communication | 2017 |
| PWM Enterprises Limited | Professional & scientific | 2011 |
| Q. D. P. Services Limited | Information & communication | 1997 |
| Qashqai Ltd | Wholesale & retail | 2024 |
| Quality Clean Ltd | Administrative & support | 2013 |
| Quality Clicks Ltd | Professional & scientific | 2015 |
| Quantum Hydro-Gen Limited | Professional & scientific | 2019 |
| Quantum Research & Design Limited | Professional & scientific | 2019 |
| QUE Connections Ltd | Transport & logistics | 2024 |
| Quertil Limited | Professional & scientific | 2012 |
| Questions for Growth Ltd | Wholesale & retail | 2024 |
| Quickspray Limited | Wholesale & retail | 2022 |
| Quimpin Limited | Professional & scientific | 2012 |
| Quoport Limited | Professional & scientific | 2014 |
| R & a Campers Ltd | Real estate | 2020 |
| R Beard Ltd | Construction | 2011 |
| R E Reed Ltd | Hospitality | 2024 |
| R Price Consulting Limited | Professional & scientific | 2022 |
| R T Lythgow Ltd | Professional & scientific | 2025 |
| R Thorpe Construction Ltd | Construction | 2022 |
| R Townley Services Ltd | Construction | 2013 |
| R&A Hospitality Ltd | Hospitality | 2024 |
| R&R Play HUT Ltd | Hospitality | 2025 |
| R.E.M. Retail Limited | Wholesale & retail | 2014 |
| R.P.G. Herbs Limited | Agriculture & fishing | 1997 |
| R.S.E. Services Limited | Construction | 1990 |
| RA Automation Ltd | Manufacturing | 2024 |
| Raaen Equestrian Ltd | Wholesale & retail | 2020 |
| Rackstor UK Ltd | Construction | 2023 |
| RAD Groundwork Contractors Limited | Construction | 2019 |
| RAD Guitars Ltd | Wholesale & retail | 2019 |
| Radnor Park Sandwich Bar Ltd | Hospitality | 2012 |
| Radrestore Ltd | Other services | 2016 |
| Raffi Quirke Limited | Arts & recreation | 2021 |
| RAG Redfearn Limited | Professional & scientific | 2010 |
| Rain Ecommerce Limited | Wholesale & retail | 2024 |
| Rainow Ltd | Wholesale & retail | 2025 |
| Rainwater Systems Limited | Manufacturing | 2004 |
| Rampers Limited | Professional & scientific | 2014 |
| Ramsden Plumbing Services Ltd | Construction | 2016 |
| Ramshill Holdings Limited | Financial services | 2022 |
| Ranger Electrical Services (North West) Limited | Construction | 2010 |
| RAS Laffan Management Limited | Professional & scientific | 2012 |
| Rat'Svc Ltd | Construction | 2025 |
| Rated.Food Ltd | Information & communication | 2025 |
| Rayo DE SOL Limited | Professional & scientific | 2017 |
| RC Exeter Limited | Health & social care | 2019 |
| RC Landscapes and Groundworks Ltd | Administrative & support | 2020 |
| RC Pinhoe Ltd | Health & social care | 2018 |
| RE NU at Ltd | Wholesale & retail | 2025 |
| RE Plant Services Limited | Administrative & support | 2009 |
| READY2RENT Limited | Real estate | 2005 |
| READY2RENT Network Ltd | Real estate | 2026 |
| READY2RENT Properties Ltd | Real estate | 2020 |
| Real Agency Ltd | Professional & scientific | 2016 |
| Realise Impact Limited | Professional & scientific | 2022 |
| Realise Project Ltd | Information & communication | 2024 |
| Recruit Payroll Limited | Information & communication | 2018 |
| Red Comet Holding Limited | Real estate | 2025 |
| Red Plutus Ltd | Real estate | 2019 |
| Red Spot Fire & Security Ltd | Administrative & support | 2021 |
| Red Spot Security Limited | Construction | 2010 |
| Redland Care Investment Services Ltd | Real estate | 2021 |
| Redline Collectibles Ltd | Wholesale & retail | 2025 |
| Redside Capital Limited | Construction | 2020 |
| Reebor Limited | Professional & scientific | 1985 |
| Reflex Research Ltd | Professional & scientific | 2019 |
| Reformation Management Ltd | Professional & scientific | 2023 |
| Reiss James Limited | Wholesale & retail | 2019 |
| Relajar Property Limited | Professional & scientific | 2009 |
| Remington Grainger Limited | Professional & scientific | 2022 |
| Res-Ev Ltd | Construction | 2019 |
| Residee Limited | Wholesale & retail | 2023 |
| Resonate RA Ltd | Real estate | 2024 |
| Resources for Business Limited | Professional & scientific | 1994 |
| Rest Assured Stays (Kent) Ltd | Hospitality | 2024 |
| Resurgam Management Limited | Professional & scientific | 2013 |
| Rethink Recruiting Limited | Administrative & support | 2023 |
| Reuchlin Limited | Education | 2025 |
| Revive Fashion Ltd | Wholesale & retail | 2025 |
| Revsync Ltd | Information & communication | 2025 |
| RGC Aviation Limited | Transport & logistics | 2026 |
| RGC Connections Ltd | Administrative & support | 2015 |
| RGC Rentals Limited | Wholesale & retail | 2021 |
| Rhodoplex Limited | Manufacturing | 2023 |
| Richard D.Carney Wealth Management Ltd | Professional & scientific | 2014 |
| Richard Mellor Animation Limited | Information & communication | 2014 |
| Rickmatt Limited | Professional & scientific | 2012 |
| Ride Culture Ltd | Wholesale & retail | 2025 |
| Rigby Motors Limited | Wholesale & retail | 2026 |