| Nova Metals Management Ltd | Wholesale & retail | 2026 |
| Nova Metals Processing Limited | Professional & scientific | 2022 |
| OC Architects LLP | | 2003 |
| Oecodex Limited | Information & communication | 2021 |
| Officestar Group Limited | Wholesale & retail | 1981 |
| Ols-Uk Ltd | Manufacturing | 2021 |
| One Call Building Services Ltd | Construction | 1999 |
| Only Foods and Sauces Limited | Hospitality | 2019 |
| Oropesa Property Management Limited | Real estate | 2017 |
| Otter Cottage Trallwyn Limited | Hospitality | 2021 |
| Oversby Accountants Limited | Administrative & support | 2005 |
| Oversby Care Limited | Health & social care | 2022 |
| Oversby Company Secretarial Services Limited | Information & communication | 2014 |
| Oversby Holdings Limited | Professional & scientific | 2022 |
| Oversby Limited | Professional & scientific | 2022 |
| Oversby Properties Limited | Real estate | 2022 |
| P & C Stanton Limited | Real estate | 2017 |
| P & D Builders Limited | Construction | 1985 |
| P.H.B. Accountancy Services Limited | Professional & scientific | 2000 |
| Paul Thornton Building Design Limited | Professional & scientific | 2003 |
| PE & ED Latham Limited | Professional & scientific | 2010 |
| Pedal Syndicate Limited | Wholesale & retail | 2020 |
| Pedalabikeaway (Group) Ltd | Arts & recreation | 2024 |
| Pedalabikeaway Limited | Arts & recreation | 2010 |
| Perrygrove Accountancy Services Limited | Professional & scientific | 2013 |
| Perspectiva M&E Consultancy Ltd | Professional & scientific | 2020 |
| Peter Weston Services Limited | Construction | 2016 |
| Phil Williams Builder Ltd | Construction | 2010 |
| PJ Flooring Solutions Ltd | Wholesale & retail | 2024 |
| PJR Electrical Ltd | Construction | 2021 |
| Plot 8 Fodbe Management Company Limited | Real estate | 2014 |
| Polena HR Limited | Administrative & support | 2025 |
| Pomegranate Lifestyle Ltd | Administrative & support | 2017 |
| Poolway Farm Limited | Agriculture & fishing | 1998 |
| Portable Energy Limited | Wholesale & retail | 2006 |
| Portable Welfare Ltd | Water & waste | 2021 |
| Premium Spa Services Ltd | Administrative & support | 2026 |
| Premium Sports Direct Ltd | Wholesale & retail | 2025 |
| Prestige Haulage & Logistics Ltd | Transport & logistics | 2021 |
| Prestmoor Ltd | Real estate | 2002 |
| Print 365 Limited | Information & communication | 2009 |
| Pro-Door Limited | Construction | 1999 |
| Process Plant Engineering Limited | Manufacturing | 2019 |
| Promo-Pro Ltd | Professional & scientific | 2019 |
| Property Pivot Ltd | Extraterritorial | 2021 |
| Provincial Developments Limited | Real estate | 1999 |
| Purtem Capital Ltd | Professional & scientific | 2019 |
| Purtem Holdings Limited | Financial services | 2019 |
| Purtem Ltd | Other services | 2014 |
| R & O Monmouth 2026 Ltd | Real estate | 2026 |
| R.J. Fowler Motor Services Limited | Wholesale & retail | 2002 |
| R2H Consulting Limited | Professional & scientific | 2009 |
| Ragz for Life Ltd | Wholesale & retail | 2022 |
| RB Plumbing & Site Services Limited | Construction | 2011 |
| RCF Automotive Services Limited | Wholesale & retail | 2018 |
| Rebecca Brown Psychology Limited | Health & social care | 2014 |
| Recon Engineering Limited | Manufacturing | 2019 |
| Recycled Waste DOT COM Limited | Water & waste | 2003 |
| Red Apple Property Company Ltd | Real estate | 2018 |
| Redhorn Hill Limited | Professional & scientific | 2016 |
| Rejoov Ltd | Other services | 2023 |
| Relational Training Ltd | Education | 2017 |
| Rendall Properties Ltd | Real estate | 2019 |
| Renica Solutions Limited | Professional & scientific | 2012 |
| Rentready Turnover Painting Ltd | Construction | 2023 |
| Repent and Believe Ltd | Wholesale & retail | 2024 |
| Resolve Safety Solutions Limited | Professional & scientific | 2015 |
| Revill Group Limited | Professional & scientific | 2022 |
| Revill Mowers Ltd | Manufacturing | 2014 |
| Rexel Mobile Cooking Ltd | Hospitality | 2020 |
| Richmonds Joinery Ltd | Manufacturing | 2022 |
| RJ Belfitt Mini BUS Hire Limited | Transport & logistics | 2011 |
| RJH Technical Consultancy Ltd. | Information & communication | 2011 |
| ROB Bingham Total GAS Services Limited | Construction | 2010 |
| Roberts Wraps Limited | Wholesale & retail | 2021 |
| Rockit Records Coleford Ltd | Wholesale & retail | 2025 |
| Rodway Financial Services Ltd | Financial services | 2019 |
| Roger Davey Electrical Limited | Construction | 2004 |
| Roof Cleaning Systems Ltd | Construction | 2008 |
| Roof Cure 247 Ltd | Construction | 2021 |
| Rosedale Court Limited | Households | 2005 |
| Rotaserve Limited | Extraterritorial | 2003 |
| Ryan Property Development Limited | Construction | 2001 |
| Ryan Property Management Limited | Real estate | 2002 |
| Ryelands Electrical Services Limited | Construction | 2002 |
| S & S Tait Financial Services Ltd | Professional & scientific | 2013 |
| S Gibbs Limited | Professional & scientific | 2023 |
| S K Kani Limited | Real estate | 2024 |
| S.C. Meredith & SON (Engineers) Limited | Professional & scientific | 1963 |
| SA Recovery Limited | Wholesale & retail | 2025 |
| Saiabhirami News Ltd | Wholesale & retail | 2025 |
| Salisbury Picture Company Ltd | Information & communication | 2019 |
| Saltbox Escapes Ltd | Hospitality | 2010 |
| Saplings Childminding Ltd | Education | 2023 |
| Saran and Barrett Holdings Limited | Arts & recreation | 2022 |
| School Improvement and Support (Sias) Limited | Education | 2022 |
| SCL Finance Manager Ltd | Professional & scientific | 2012 |
| SCS Sales and Marketing Ltd | Wholesale & retail | 2014 |
| Secure Home Appliances Limited | Other services | 2025 |
| Semicons-Global Ltd | Professional & scientific | 2023 |