| Porlockford HUT CIC | Real estate | 2024 |
| Poultrymate Ltd | Manufacturing | 2025 |
| Powne Marine Ltd | Professional & scientific | 2014 |
| PPS Technical Ltd | Professional & scientific | 2015 |
| Premier Court Management Company (Alcombe) Limited | Real estate | 2006 |
| Price Western Leather Company Limited | Manufacturing | 1976 |
| Priddy's Motor Company Ltd | Wholesale & retail | 2015 |
| Prizeample Limited | Real estate | 1986 |
| Prizedense Limited | Information & communication | 1987 |
| Pro Detailer Magazine Ltd | Wholesale & retail | 2011 |
| Project One Alternative Provision Limited | Education | 2018 |
| Pruberry Ltd | Information & communication | 2025 |
| Pugsley Enterprises Ltd | Information & communication | 2025 |
| Pure Brand Management Limited | Administrative & support | 2008 |
| Pure Equipment Rental Limited | Extraterritorial | 2017 |
| Pure Events Limited | Hospitality | 2012 |
| Pure Henley Catering Limited | Hospitality | 2012 |
| Pure Leisure Management Holdings Limited | Financial services | 2007 |
| Pure Management Limited | Hospitality | 2015 |
| Pure Property Management Group Limited | Real estate | 2018 |
| Pure Rental Ltd | Administrative & support | 2010 |
| Pure Technical Productions Limited | Administrative & support | 2009 |
| Pure Touring Limited | Information & communication | 2019 |
| Pure VIP Limited | Administrative & support | 2012 |
| Purple Druid Studio Ltd | Arts & recreation | 2024 |
| Purrple Cat CIC | Arts & recreation | 2022 |
| Quantock Scaffolding Ltd | Construction | 2013 |
| Quaytech Solutions Limited | Information & communication | 2002 |
| Quirke Street Motors Ltd | Wholesale & retail | 2019 |
| R J Padgett Limited | Professional & scientific | 2025 |
| R.E. Sherrin & Sons Limited | Construction | 2011 |
| Raedwald Mining Ltd | Professional & scientific | 2024 |
| Rapid House Solutions Limited | Professional & scientific | 2005 |
| RAY Delbridge (Minehead) Limited | Manufacturing | 1977 |
| Recrates Ltd | Manufacturing | 2018 |
| Reframe Property & Development Ltd | Construction | 2023 |
| Refurbtek Ltd | Wholesale & retail | 2025 |
| Reks Barbers Ltd | Other services | 2026 |
| Rems Trading Ltd | Construction | 2018 |
| Rems Construction Ltd | Construction | 2025 |
| Rennets Ltd | Real estate | 2022 |
| Renny Norris Holdings Limited | Real estate | 1973 |
| Retail Gold Ltd | Wholesale & retail | 2016 |
| Rezzal Ltd | Other services | 2025 |
| Rhythm N' Brews CIC | Education | 2025 |
| Richards Mechanical Services Ltd | Professional & scientific | 2025 |
| Rico's Plumbing and Heating Ltd | Construction | 2014 |
| Riot Ltd | Extraterritorial | 2024 |
| RML Hair Limited | Other services | 2015 |
| RML Property Management Limited | Real estate | 2020 |
| ROB Jones Crafts Ltd | Wholesale & retail | 2019 |
| Robin Creations Limited | Wholesale & retail | 2010 |
| Roboteller Limited | Manufacturing | 1994 |
| Robson Funeral Services Limited | Other services | 2017 |
| Rosy Robin Limited | Wholesale & retail | 2015 |
| Round Clock Limited | Hospitality | 2006 |
| RP Fire Ltd | Public administration | 2016 |
| Rygor Group Services Limited | Transport & logistics | 1985 |
| S. R. Thomas Limited | Construction | 2005 |
| Scribble-Scribble Ltd | Information & communication | 2024 |
| SD Hair Limited | Extraterritorial | 2015 |
| Seafront Pizza Ltd | Hospitality | 2025 |
| Sebastian Peyer Class Representative Limited | Other services | 2026 |
| Septem in Agricola Limited | Agriculture & fishing | 2019 |
| Shearwell Data Limited | Manufacturing | 1992 |
| Sherrin Joinery Limited | Construction | 2021 |
| Shoreline Holidays in Porlock Limited | Hospitality | 2021 |
| Simpson Law Limited | Professional & scientific | 2025 |
| Smash Corner Minehead Ltd | Hospitality | 2024 |
| SMH Woodland Limited | Financial services | 2020 |
| Snack Fuel Ltd | Wholesale & retail | 2025 |
| Solar Contracts Limited | Construction | 2016 |
| Solitude Software Ltd | Information & communication | 2023 |
| Solo G Windows Limited | Construction | 2018 |
| Solutions for Health Education and Wellbeing Community Interest Company | Education | 2024 |
| Somerset Body Repairs Ltd | Construction | 2024 |
| Somerset Bridal Ltd | Administrative & support | 2017 |
| Somerset Driveways & Kerbs Limited | Construction | 2022 |
| Somerset Lawn Tennis Association Ltd | Arts & recreation | 2024 |
| Somerset Renewables Limited | Construction | 2014 |
| Sounds With Vision Ltd | Professional & scientific | 2015 |
| South West Admin Services Ltd | Administrative & support | 2025 |
| Southwestrecyclinglinks(Srl) Ltd | Manufacturing | 2020 |
| Spartan Post Ltd | Wholesale & retail | 2024 |
| Speed Farming Limited | Agriculture & fishing | 2020 |
| Stacked Wonky Foundation Limited | Arts & recreation | 2021 |
| Stage Right Creative Limited | Arts & recreation | 2003 |
| Storyteller Communications Limited | Administrative & support | 2016 |
| Structuresurvey Ltd | Professional & scientific | 2023 |
| Struk Events Ltd | Arts & recreation | 2017 |
| Stuart Lowen Butchers Limited | Wholesale & retail | 2003 |
| Stuarts Home Furnishers Limited | Wholesale & retail | 2015 |
| Stunt Racing International Ltd | Arts & recreation | 2022 |
| Subiaco International Limited | Real estate | 2021 |
| Subiaco Property Holdings Limited | Real estate | 2020 |
| Suli Store Ltd | Wholesale & retail | 2025 |
| Superform Group Limited | Administrative & support | 2026 |
| Surt Resin Systems Ltd | Construction | 2022 |
| Sussex KOI Limited | Other services | 2004 |
| SWV Comms Ltd | Wholesale & retail | 2025 |