| Opendesk Virtual Business Support Limited | Administrative & support | 2026 |
| Opentravel Limited | Administrative & support | 2026 |
| Orchard Investment Group Ltd | Financial services | 2024 |
| Osgood Homes and Development Ltd | Real estate | 2025 |
| Palmers Quality Butchers Limited | Extraterritorial | 2019 |
| Palmwood Property Investments Ltd | Real estate | 2024 |
| Pargen Ltd | Manufacturing | 2025 |
| Paro Lifts Ltd | Manufacturing | 2018 |
| Paro Parts Limited | Professional & scientific | 2020 |
| Paro Properties Ltd | Professional & scientific | 2020 |
| Parrett Q&S Holdings Ltd | Real estate | 2021 |
| Pates Auditing Ltd | Professional & scientific | 2018 |
| Pcmb Ltd | Financial services | 2023 |
| PCS Network Solutions Limited | Administrative & support | 2015 |
| Permashine Automotive Ltd | Extraterritorial | 2015 |
| Permashine Coatings Limited | Other services | 2004 |
| Permashine Limited | Manufacturing | 2004 |
| Permashine Services Ltd | Extraterritorial | 2015 |
| Pharos Catering Equipment Limited | Professional & scientific | 2019 |
| Phil Reddish Design Limited | Professional & scientific | 2003 |
| Phill Preece Training Ltd | Construction | 2021 |
| Picasso Painters Limited | Construction | 2011 |
| Pitchstone Consulting Ltd | Professional & scientific | 2024 |
| PJM Renovations Limited | Construction | 2019 |
| PJU Hospitality Ltd | Hospitality | 2025 |
| Plumbing by George Ltd | Construction | 2015 |
| Poolbridge Accountancy Limited | Professional & scientific | 2013 |
| Ppmp Holdings Ltd | Administrative & support | 2023 |
| Praxis Procurement Ltd | Professional & scientific | 2014 |
| Precision Transport Solutions Ltd | Transport & logistics | 2025 |
| Prime Somerset Ltd | Hospitality | 2023 |
| Proclean 999 Ltd | Administrative & support | 2020 |
| Profix Interior Projects Limited | Construction | 2019 |
| Promach Limited | Manufacturing | 2013 |
| Pyramid Property (2019) Limited | Construction | 2006 |
| Quantock Court Residents Association (B-O-S) Limited | Real estate | 1985 |
| Quantus Associates Limited | Professional & scientific | 2014 |
| Quantus Holdings Ltd | Construction | 2016 |
| Quick and Simple Ltd | Real estate | 2020 |
| Quick and Simple Properties Ltd | Real estate | 2021 |
| Quickbite Cafe Ltd | Hospitality | 2014 |
| R M Burrow Limited | Construction | 2002 |
| R Mafi Ltd | Health & social care | 2022 |
| R.E Weale Limited | Wholesale & retail | 2000 |
| Rain Tank Co Ltd | Water & waste | 2021 |
| Raka Cafe Limited | Hospitality | 2021 |
| RCT Furnishing Limited | Wholesale & retail | 2025 |
| Red MD Holdings Limited | Construction | 2024 |
| Reflex First AID Training Limited | Education | 2022 |
| Regen Energy Saving and Storage Ltd | Professional & scientific | 2020 |
| Regen Future Capital LLP | | 2019 |
| Regen Future Planet & Partners Ltd | Professional & scientific | 2020 |
| Regen Future Planet I Limited | Financial services | 2020 |
| Regen Future Planet Limited | Financial services | 2019 |
| Regen Plastic Solutions Ltd | Professional & scientific | 2020 |
| Regen Sustainable Fashion Ltd | Professional & scientific | 2020 |
| Regen Water Solutions Ltd | Professional & scientific | 2020 |
| Replicated Solutions Limited | Information & communication | 1998 |
| Restaurant by the Bay Ltd | Hospitality | 2026 |
| Retreat Ventures Limited | Professional & scientific | 2026 |
| Revive Carpet Cleaning Ltd | Administrative & support | 2019 |
| Revive Plant Training Assessments Ltd | Construction | 2025 |
| RFC Carbon Credits LLP | | 2019 |
| RFC Plastics LLP | | 2020 |
| RFP AIS Renewable Brazil Ltd | Professional & scientific | 2020 |
| RFP Brazil I Limited | Financial services | 2020 |
| RFP Central America I Limited | Financial services | 2020 |
| RFP Italy I Limited | Financial services | 2020 |
| RFP UK I Limited | Financial services | 2020 |
| Richard Johns Signature Kitchens Limited | Wholesale & retail | 2011 |
| Richen Foods Ltd | Manufacturing | 2023 |
| Richen Properties Ltd | Real estate | 2019 |
| Ridi & Co Ltd | Hospitality | 2012 |
| Ripples Wellbeing Limited | Health & social care | 2020 |
| RKS Accounting Services Ltd | Professional & scientific | 2026 |
| RNR Property Services Ltd | Households | 2022 |
| Rock DJ Consulting Ltd | Professional & scientific | 2012 |
| S J Property Lettings Ltd | Real estate | 2024 |
| Sarahs Bridal Wardrobe Ltd. | Wholesale & retail | 2013 |
| Secure Holdings (Somerset) Limited | Financial services | 2026 |
| Secure Sourcing Limited | Construction | 2024 |
| Seeside Studio Ltd | Professional & scientific | 2024 |
| Sellvita Ltd | Wholesale & retail | 2021 |
| Shakespeare Virtual Assistant Limited | Administrative & support | 2020 |
| Sheer Bliss Investments Ltd | Professional & scientific | 2017 |
| Shine (Southampton) Limited | Other services | 2003 |
| Shree Hari UK Enterprises Ltd | Real estate | 2018 |
| Shree Shyam Properties UK Ltd | Real estate | 2025 |
| Shreeji Enterprises (UK) Ltd | Wholesale & retail | 2014 |
| Shreeji SAI Properties UK Ltd | Real estate | 2020 |
| Silicon Ability Limited | Administrative & support | 2012 |
| Silures Property Ltd | Real estate | 2022 |
| Sky Golden Express Ltd | Hospitality | 2023 |
| Sodins Limited | Health & social care | 2025 |
| Somerset & Avon Carpet Company Limited | Wholesale & retail | 1975 |
| Somerset Aluminium Limited | Manufacturing | 2024 |
| Somerset Celebrant Services Ltd | Other services | 2025 |
| Somerset Holistic Therapies Ltd | Manufacturing | 2026 |
| Somerset Property Renovations Limited | Extraterritorial | 2023 |
| Somerset Therapy and Wellbeing Limited | Wholesale & retail | 2024 |