| Redhill Solutions Ltd | Information & communication | 2025 |
| Redwood Aesthetics Limited | Other services | 2019 |
| Refelec Engineering Services Limited | Real estate | 2002 |
| Regen Wholesale Limited | Construction | 2024 |
| Rehbox Limited | Information & communication | 2025 |
| Reign Automotives Ltd | Wholesale & retail | 2024 |
| Renewed Clarity Limited | Health & social care | 2023 |
| Repair Bay Limited | Wholesale & retail | 2016 |
| Revolute Properties (South) Ltd | Construction | 2024 |
| Revolute Properties Ltd | Financial services | 2024 |
| Rezervoir Limited | Information & communication | 2018 |
| RFA Computers Limited | Information & communication | 1986 |
| RFA Limited | Information & communication | 1980 |
| Rhodes Care Home Ltd | Health & social care | 2004 |
| Ringwood Plumbing & Heating Services Ltd | Construction | 2019 |
| Ringwood Road Residence Company Ltd | Households | 2022 |
| Rippa Rugby Limited | Education | 2023 |
| Riverside Vehicle Services Ltd | Wholesale & retail | 2024 |
| Riverside Wimborne Limited | Transport & logistics | 2025 |
| RJT Optical Limited | Health & social care | 2021 |
| Rksm Decorating Services Ltd | Construction | 2022 |
| RM Fabrications Limited | Construction | 2002 |
| RMP Consulting (Southern) Limited | Professional & scientific | 2019 |
| RMS Connections Ltd | Professional & scientific | 2015 |
| Roalan Limited | Wholesale & retail | 2002 |
| Robin's Contracts Limited | Transport & logistics | 2022 |
| Robin's Taxi's Limited | Transport & logistics | 2022 |
| Robinson Carpet Fitting Ltd | Construction | 2018 |
| Robinson Sargeant Limited | Financial services | 2024 |
| Robo Repairs Limited | Manufacturing | 2013 |
| Rocha Finance Ltd | Financial services | 2018 |
| Rogers Optical (Bournemouth) Limited | Health & social care | 2014 |
| Rojo (Bournemouth) Limited | Hospitality | 2017 |
| Rolfe Financial Holdings Ltd | Financial services | 2025 |
| ROM Innovations Ltd | Financial services | 2024 |
| Rookwood RTM Limited | Households | 2010 |
| Roselle Ltd | Manufacturing | 2026 |
| Roseywheel Limited | Administrative & support | 2022 |
| Rotation Audio Limited | Information & communication | 2018 |
| Rotom Engineering Ltd | Other services | 2017 |
| Roundel Print Ltd | Manufacturing | 2021 |
| Route 66 Show Ltd | Administrative & support | 2017 |
| Routeway Limited | Extraterritorial | 2023 |
| Rowland Roberts Opticians Limited | Health & social care | 2006 |
| RSL Welding and Fabrication Limited | Manufacturing | 2018 |
| RT Carpentry & Building Services Limited | Construction | 2015 |
| RWC Construction Ltd | Construction | 2009 |
| RXI Limited | Real estate | 1995 |
| Ryan Gardens (Management) Bournemouth Limited | Households | 1983 |
| Ryan Mabey LP | | 2017 |
| S & R Lettings Ltd | Real estate | 2016 |
| S C Whatley Ltd | Construction | 2025 |
| S P Safety Consultancy Limited | Professional & scientific | 2008 |
| S R J Property Group Ltd | Real estate | 2022 |
| S&D Photography Ltd | Professional & scientific | 2021 |
| S&Gm Properties Ltd | Real estate | 2021 |
| S&T Builders South Limited | Construction | 2014 |
| SA 103 Ltd | Hospitality | 2021 |
| SA Tax Consultancy Services Ltd | Extraterritorial | 2019 |
| SA Trad Limited | Hospitality | 2021 |
| Sabroso Ltd | Professional & scientific | 2018 |
| Sadlers FCS Limited | Construction | 2026 |
| Sadlers Flooring Ceramic Stone Limited | Construction | 2017 |
| Safe Haven Solutions Ltd | Administrative & support | 2024 |
| Saffron Elite Property Ltd | Real estate | 2022 |
| Saffron Ferndown Limited | Hospitality | 2024 |
| Saha Aviation Services Ltd | Wholesale & retail | 2020 |
| Salisbury Golf Academy Limited | Arts & recreation | 2020 |
| Salisbury Golf Driving Range Limited | Arts & recreation | 1998 |
| Salvage Captain Group Ltd | Professional & scientific | 2026 |
| Salvage Wise Ltd | Water & waste | 2023 |
| Samantha Carron Aesthetics Limited | Other services | 2020 |
| Samson & Samson Ltd | Construction | 2026 |
| Sanctuary Media Promotions Ltd | Arts & recreation | 2017 |
| Sandbourne Garden Rooms Limited | Construction | 2021 |
| Sandy's Kitchen Limited | Hospitality | 2015 |
| Sanhem Limited | Health & social care | 2025 |
| Save Energy Group Limited | Construction | 2023 |
| Save Energy Insulation Limited | Construction | 2022 |
| Save Energy U.K. Ltd | Construction | 2005 |
| SB Community Support CIC | Health & social care | 2025 |
| Schloss Wander Ltd | Arts & recreation | 2023 |
| Scott Engineering (Bournemouth) Limited | Real estate | 1953 |
| SCP Computers Limited | Information & communication | 2013 |
| Screens-Direct Ltd | Information & communication | 2021 |
| SDM Builders Ltd | Construction | 2007 |
| Sea Bar & Catering Limited | Hospitality | 2023 |
| Sea Events Ltd | Hospitality | 2017 |
| Sea Lion Boards Ltd | Manufacturing | 2017 |
| Sea Salt Learning Ltd. | Education | 2014 |
| Seaborne Developments Ltd | Construction | 2018 |
| Seat Weaving Supplies Limited | Wholesale & retail | 2011 |
| Secloud Solutions Ltd | Administrative & support | 2020 |
| Secretariat & Fiscal Limited | Professional & scientific | 2011 |
| SEE Digital Ltd | Professional & scientific | 2022 |
| Seels CB Ltd | Construction | 2024 |
| Seels Complete Build Limited | Construction | 2019 |
| Seenager Ltd | Other services | 2020 |
| Self Builders Limited | Construction | 2014 |
| Sensesea Limited | Information & communication | 2017 |