| Ripples (Holdings) Limited | Wholesale & retail | 2011 |
| Ripples Advertising Limited | Professional & scientific | 2001 |
| Riva Lettings Limited | Hospitality | 2005 |
| Riverside 21 Ltd | Wholesale & retail | 2019 |
| Riverside Sport Horses Limited | Agriculture & fishing | 2021 |
| Riversoft Property Management Ltd | Real estate | 2022 |
| RJB Aero Limited | Manufacturing | 2021 |
| RJB Plumbing Services Ltd | Construction | 2014 |
| RJK Home Improvements Ltd | Construction | 2018 |
| RLH Rural and Estate Services Limited | Real estate | 2016 |
| RLM Physiotherapy Ltd | Health & social care | 2026 |
| RM Watkins Ltd | Construction | 2015 |
| RMI Consulting Ltd. | Professional & scientific | 2012 |
| RMT Financial Ltd | Professional & scientific | 2025 |
| RNH Properties Ltd | Real estate | 2022 |
| Roadtanks Limited | Extraterritorial | 1990 |
| ROB Bartels Plumbing, Heating & Property Maintenance Limited | Construction | 2009 |
| ROB Brown Project Management Limited | Construction | 2016 |
| Robert Caddick (Consulting) Ltd. | Professional & scientific | 2025 |
| Roberts Farming LLP | | 2025 |
| Robinson Atterton Investments Limited | Professional & scientific | 2009 |
| Robinson Property Company Limited | Real estate | 2009 |
| Robinson Real Estate Limited | Real estate | 2009 |
| Rockfield Farms Limited | Agriculture & fishing | 1997 |
| Rockhopper Consulting Ltd | Information & communication | 2026 |
| Rodale Consulting Limited | Professional & scientific | 2012 |
| Rodney Cross Settlement Trustees Limited | Financial services | 2023 |
| Rollo Limited | Real estate | 2016 |
| Romane Retail Ltd | Wholesale & retail | 2023 |
| Romi Behrens Paintings Limited | Arts & recreation | 2013 |
| Rona Steam & Vintage Rally Ltd | Administrative & support | 2023 |
| Roof Boxes & Bars Limited | Wholesale & retail | 2020 |
| Rooted Chippenham Community Interest Company | Agriculture & fishing | 2022 |
| Rosapet Co Ltd | Wholesale & retail | 2026 |
| Rosary House Management Company Limited | Households | 2015 |
| Rosie Ngan Ltd | Real estate | 2024 |
| Rosina Ruth Properties Ltd | Real estate | 2022 |
| Ross Parsons Building Contractor Limited | Construction | 2015 |
| Ross Parsons Property Ltd | Real estate | 2024 |
| Rotate Media Ltd | Information & communication | 2010 |
| Roth Horticulture Ltd | Administrative & support | 2023 |
| Rothesay Cotswolds Limited T/A Cotswold 24 - (UK) Taxi 24 - Cotswold Cabs Ltd. | Transport & logistics | 2024 |
| Rotors Hire Ltd | Administrative & support | 2025 |
| Round One Media Ltd | Professional & scientific | 2022 |
| Roundway Hill Holdings Ltd | Financial services | 2026 |
| Roundway Investments Ltd | Professional & scientific | 2022 |
| Roundway Property Services Limited | Real estate | 2019 |
| Roundway Renewables Ltd | Energy | 2025 |
| Roundway Thatching Supplies Ltd | Real estate | 2022 |
| Rouse Process Engineering Limited | Information & communication | 2006 |
| Route 66 Services Ltd. | Information & communication | 1998 |
| Rovai FO Ltd | Information & communication | 2021 |
| Rowde Croft Poultry Limited | Real estate | 2014 |
| Rowden Financial Services Limited | Financial services | 2003 |
| Rowden Hill Holdings Ltd | Construction | 2025 |
| Rowdey COW Ltd | Hospitality | 2016 |
| Rows Holdings Ltd | Financial services | 2024 |
| Rpma Ltd | Real estate | 2022 |
| RR Bathrooms Limited | Financial services | 2023 |
| RR Caterers Ltd | Hospitality | 2026 |
| RS Hair & MUP Ltd | Arts & recreation | 2018 |
| RS Security and Training Limited | Administrative & support | 2010 |
| RTA Logic Ltd | Information & communication | 2020 |
| RTS Consultants (UK) Ltd. | Administrative & support | 1996 |
| RTS Group Ltd | Administrative & support | 2014 |
| RU (1945) Properties Ltd | Real estate | 2002 |
| Rubydoocakes Ltd | Manufacturing | 2012 |
| Rubydoogifts Ltd | Manufacturing | 2012 |
| Rugbytots North West Wiltshire LLP | | 2024 |
| Ruling Reign Limited | Real estate | 2001 |
| Ruman Ltd | Real estate | 2025 |
| Rume Ltd | Construction | 2025 |
| Rural Prizes Ltd | Wholesale & retail | 2024 |
| Rushden Property Management Limited | Real estate | 2016 |
| Rushmead Raceparks Limited | Arts & recreation | 1994 |
| Rushmoor Dynamics Limited | Professional & scientific | 2024 |
| Russell's Taxis Limited | Transport & logistics | 2018 |
| Rutkowski Services Ltd | Administrative & support | 2020 |
| RWM Projects Limited | Professional & scientific | 2021 |
| Ryan Smith Electrical Limited | Construction | 2021 |
| Rycal Group Ltd | Administrative & support | 2010 |
| Rymer Design & Detailing Ltd | Administrative & support | 2013 |
| Ryne Ltd | Professional & scientific | 2015 |
| Rysfitness Ltd | Arts & recreation | 2021 |
| S & J Crudge Services Limited | Transport & logistics | 2019 |
| S & J Muir Builders Ltd | Construction | 2007 |
| S & K Agri Services Limited | Agriculture & fishing | 2014 |
| S & K Autos Limited | Wholesale & retail | 2018 |
| S & S Properties (South West) Ltd | Real estate | 2017 |
| S B Build and Scape Ltd | Administrative & support | 2022 |
| S D Strong Ltd | Construction | 2026 |
| S Haynes Builders Ltd | Construction | 2024 |
| S J G Construction Limited | Construction | 2000 |
| S J Masterman Limited | Construction | 2020 |
| S M Industrial Flooring Ltd | Construction | 2024 |
| S O`Neill Builders Limited | Construction | 2009 |
| S W Machinery Hire Ltd | Administrative & support | 2008 |
| S Wright Solutions Limited | Administrative & support | 2018 |
| S&A Waring Ltd | Hospitality | 2015 |
| S&B Electrical Solutions Limited | Energy | 2023 |