| Rigmonkey Sound System Ltd | Manufacturing | 2025 |
| Rigor Express Ltd | Transport & logistics | 2017 |
| Rigside Ltd | Construction | 2018 |
| Rigton Agri Ltd | Agriculture & fishing | 2025 |
| Rigton Developments Limited | Construction | 2024 |
| Rigton Electrical Ltd | Construction | 2023 |
| Rigton Management Limited | Information & communication | 2003 |
| Rijal Sports Clothing Ltd | Wholesale & retail | 2019 |
| RIL Group Ltd | Other services | 2015 |
| Riley Logistic Services Limited | Transport & logistics | 2015 |
| Riley Youdan Partnership Limited | Real estate | 2009 |
| Rilwood Property Co Ltd | Real estate | 2015 |
| Rimtop Spedition Limited | Transport & logistics | 2017 |
| Rina Holdings Ltd | Real estate | 2025 |
| Rinastyle Limited | Real estate | 2014 |
| Rinavod Group Ltd | Manufacturing | 2026 |
| Rinew Legal Limited | Professional & scientific | 2019 |
| Ring Automotive Limited | Wholesale & retail | 2004 |
| Rinkydink Candles Ltd | Wholesale & retail | 2022 |
| Rinse Wine Ltd | Wholesale & retail | 2024 |
| RIO Recruitment Limited | Administrative & support | 2025 |
| Riomaiden Limited | Financial services | 2023 |
| Rion Properties Ltd | Real estate | 2020 |
| Riot CGI Content Ltd | Professional & scientific | 2020 |
| Ripley Hoarding & Perimeter Solutions Ltd | Construction | 2021 |
| Ripley Layne Ltd | Other services | 2019 |
| Ripley Service Group Ltd | Information & communication | 2017 |
| Ripleys Renovations and Maintenance Ltd | Construction | 2026 |
| Ripon Group Ltd | Wholesale & retail | 2025 |
| Ripon Laptop Centre Ltd | Wholesale & retail | 2014 |
| Ripon Recycling Limited | Other services | 2006 |
| Ripon Stourport Care Limited | Health & social care | 2019 |
| Ripper Tuning Ltd | Other services | 2025 |
| Ripping OUT and Removal Services Ltd | Construction | 2025 |
| Ripple CX Labs Ltd | Information & communication | 2023 |
| Riptide Theatre Limited | Arts & recreation | 2020 |
| Rise & Howl Collective Ltd | Arts & recreation | 2025 |
| Rise & Howl Productions Ltd | Administrative & support | 2024 |
| Rise & Shine Services Limited | Health & social care | 2020 |
| Rise and Nourish CIC | Hospitality | 2025 |
| Rise Delivery Ltd | Information & communication | 2025 |
| Rise Developments Limited | Construction | 2025 |
| Rise Electrical Leeds Ltd | Construction | 2025 |
| Rise Family Holdings Limited | Financial services | 2025 |
| Rise Festival Limited | Administrative & support | 2016 |
| Rise HR & Coaching Ltd | Professional & scientific | 2019 |
| Rise Mobility Ltd | Administrative & support | 2017 |
| Rise UP Marketing Ltd | Professional & scientific | 2021 |
| Risepoint Support Ltd | Health & social care | 2025 |
| Risg Consulting Ltd | Information & communication | 2017 |
| Rising Balloons Limited | Administrative & support | 2017 |
| Rising Crescent Ltd | Wholesale & retail | 2025 |
| Rising Metric Limited | Information & communication | 2025 |
| Rising Profile Limited | Wholesale & retail | 1997 |
| Rising Tide AI Ltd | Information & communication | 2020 |
| Rising Tide Studio Ltd | Professional & scientific | 2022 |
| Risk Rising Ltd | Information & communication | 2022 |
| Risk Support Services Ltd | Public administration | 2014 |
| Risk, Resilience & Accounting Advisory Limited | Professional & scientific | 2026 |
| Riskhop Ltd | Professional & scientific | 2025 |
| Riskpoynt Ltd | Information & communication | 2015 |
| Ritchie Garrod Photography Ltd | Professional & scientific | 2026 |
| Ritee Limited | Health & social care | 2022 |
| Riteprice Limited | Manufacturing | 2016 |
| Ritson Design Agency Limited | Wholesale & retail | 2005 |
| Ritter Consultancy Limited | Professional & scientific | 2019 |
| Ritter Sport Chocolate UK Ltd | Wholesale & retail | 2014 |
| Ritter-Courivaud Limited | Wholesale & retail | 1940 |
| Ritu Shoes Ltd | Wholesale & retail | 2026 |
| Ritz Investments Limited | Real estate | 2020 |
| Ritz Properties (Leeds) Limited | Real estate | 2018 |
| Ritzy Lifestyle Limited | Wholesale & retail | 2024 |
| Riva EL Limited | Real estate | 2020 |
| Riva Home Group Limited | Financial services | 2018 |
| Riva Homes Limited | Construction | 2014 |
| Riva Homes Pentlands Limited | Construction | 2023 |
| Riva Paoletti Limited | Manufacturing | 1987 |
| Riven Labs Limited | Information & communication | 2026 |
| River Aire Lodge Limited | Hospitality | 2023 |
| River Groovesville PAD Ltd | Real estate | 2024 |
| River Key Investment Limited | Real estate | 2021 |
| River Legacy | Arts & recreation | 2010 |
| River Legacy Events Ltd | Hospitality | 2010 |
| River Side Properties Limited | Real estate | 2010 |
| River Waters Ltd | Wholesale & retail | 2023 |
| Riverblade Creative Group Ltd | Professional & scientific | 2024 |
| Riverbox Ltd | Wholesale & retail | 2021 |
| Riverdale Court Management Company Limited | Households | 1989 |
| Riverhill Bookkeeping & Payroll Ltd | Professional & scientific | 2024 |
| Rivermouth Developments Limited | Real estate | 2013 |
| Riverplate Limited | Hospitality | 2012 |
| Riverroad Ltd | Professional & scientific | 2023 |
| Riverside (Leeds) Limited | Real estate | 2002 |
| Riverside (Wetherby) Management Company Limited | Households | 2002 |
| Riverside 4X4 Limited | Wholesale & retail | 2013 |
| Riverside Capital Partners Limited | Professional & scientific | 2010 |
| Riverside Castleford Ltd | Hospitality | 2023 |
| Riverside Contractor Limited | Agriculture & fishing | 2017 |
| Riverside Court Leeds Limited | Households | 1989 |
| Riverside Mews (Boroughbridge) Limited | Households | 1993 |