| RP Sound Limited | Information & communication | 2014 |
| RPN Tree Services Limited | Professional & scientific | 2017 |
| RPR Joinery Limited | Construction | 2017 |
| RPS Electrical Services Ltd | Construction | 2019 |
| RPT Fire and Security Limited | Administrative & support | 2025 |
| RR Markuszewski Ltd | Transport & logistics | 2023 |
| RR Sweet & Savoury Limited | Hospitality | 2026 |
| RR Trade Group Ltd | Transport & logistics | 2025 |
| Rrlettin Ltd | Real estate | 2023 |
| RS Construction Northern Limited | Construction | 2021 |
| RS Digital Communications Limited | Professional & scientific | 2020 |
| RS4 Medical Ltd | Administrative & support | 2017 |
| RSG Suiting Cloth Ltd | Wholesale & retail | 2018 |
| RSH 2022 Limited | Real estate | 2012 |
| RSH Construction Halifax Ltd | Construction | 2025 |
| RSM Drainage Services Limited | Water & waste | 2025 |
| RSM Environmental Holdings Limited | Financial services | 2024 |
| RSM Fuel Card Services Ltd | Wholesale & retail | 2025 |
| RSM Fuel Services Limited | Water & waste | 2022 |
| Rsms (Halifax) Ltd | Health & social care | 2019 |
| Rstn Software Ltd | Information & communication | 2025 |
| RTC Insulation Limited | Construction | 1995 |
| RTC Repair Centre Ltd | Wholesale & retail | 2026 |
| Ru.Allure Ltd | Wholesale & retail | 2024 |
| Ruadhain Limited | Information & communication | 2024 |
| Ruka Holdings Limited | Real estate | 2020 |
| Run U 2 Limited | Transport & logistics | 2016 |
| Rune Digital Ltd | Information & communication | 2020 |
| Rural Perspectives Limited | Real estate | 2019 |
| Rushworth Construction Ltd | Construction | 2016 |
| Rushworth Foster Ltd | Information & communication | 2018 |
| Russell Earnshaw (Holdings) Limited | Construction | 1970 |
| Russell Flooring Limited | Construction | 2003 |
| Russell Scott Limited | Professional & scientific | 2001 |
| Russell Traction Ltd | Transport & logistics | 2019 |
| Rust and Oak Furniture Company Limited | Wholesale & retail | 2018 |
| Rustickarl Limited | Construction | 2017 |
| Ruth Evans Limited | Professional & scientific | 2011 |
| Rutland Ventures Limited | Professional & scientific | 2015 |
| RV Flooring Ltd | Construction | 2022 |
| RV2 Energy Ltd | Construction | 2024 |
| RV2 Power Ltd | Construction | 2008 |
| Ryan Bedford Developments Ltd | Construction | 2022 |
| Ryan Homes (Yorkshire) Ltd | Construction | 2025 |
| Ryan Properties (Yorkshire) Limited | Real estate | 2026 |
| Ryburn Properties Limited | Real estate | 1978 |
| Ryburn Valley Furniture Limited | Manufacturing | 2012 |
| Ryburne Estates Limited | Real estate | 2002 |
| Rycroft Health Associates Ltd | Health & social care | 2020 |
| Rydlake Ltd | Professional & scientific | 2013 |
| Ryecroft (Management Company) Limited | Administrative & support | 2011 |
| S & D Properties Limited | Real estate | 1978 |
| S & H Auto Solutions Ltd | Transport & logistics | 2020 |
| S & L Motor Trade Limited | Wholesale & retail | 2021 |
| S & L Wilkinson Limited | Extraterritorial | 2022 |
| S & P Shot Blasting & Powder Coating Ltd | Manufacturing | 2015 |
| S & S Body Repairs Ltd | Wholesale & retail | 2024 |
| S & S Fabtech Limited | Manufacturing | 1994 |
| S & T Corporation Ltd | Transport & logistics | 2026 |
| S a Consultancy (Yorkshire) Ltd | Professional & scientific | 2024 |
| S and a Garden Center Ltd | Administrative & support | 2021 |
| S B T Contracting Limited | Water & waste | 2001 |
| S Birch Builders Limited | Construction | 2020 |
| S F Geraghty Limited | Construction | 2016 |
| S J & M J Designs Limited | Wholesale & retail | 2024 |
| S Jagger Limited | Construction | 2011 |
| S Jenkins Brick and Masonry Contractors Limited | Construction | 2019 |
| S Legal Limited | Professional & scientific | 2025 |
| S M Building Products Limited | Construction | 2006 |
| S M D Yorkshire Properties Ltd | Real estate | 2024 |
| S R LEE Consulting Limited | Professional & scientific | 2023 |
| S R Turner Limited | Construction | 2003 |
| S R Woodington Limited | Construction | 2014 |
| S Robinson Brickwork Limited | Construction | 2019 |
| S S Khan 1 Ltd | Health & social care | 2023 |
| S Willis Coaching & Development Limited | Professional & scientific | 2014 |
| S&A Essentials Ltd | Wholesale & retail | 2025 |
| S&A Social Ltd | Professional & scientific | 2026 |
| S&D Refurbs Ltd | Construction | 2024 |
| S&H Architects Ltd | Professional & scientific | 2024 |
| S&S Publishing Ltd | Wholesale & retail | 2026 |
| S-Tech Brothers Ltd | Wholesale & retail | 2021 |
| S. Sanderson Associates Limited | Construction | 1997 |
| S. Sheard & SON Limited | Manufacturing | 1973 |
| S.C Woodhead Ltd | Administrative & support | 2024 |
| S.C. Auckland Limited | Hospitality | 1997 |
| S.Hamilton Electrical Services Limited | Construction | 2020 |
| S.I Luxury Rentals Ltd | Real estate | 2025 |
| S.J Care Services Ltd | Health & social care | 2019 |
| S.Jacob Medical Ltd | Health & social care | 2023 |
| S.O.S. Drainage & Plumbing Limited | Construction | 2004 |
| S.Ratcliffe Finishing Ltd | Construction | 2023 |
| S.S.G. Consulting (Adamas) Limited | Professional & scientific | 2009 |
| S.T Fast Logistics Ltd | Transport & logistics | 2024 |
| S.Thorpe Electrical and Maintenance Ltd | Construction | 2024 |
| S26YDS Ltd | Wholesale & retail | 2025 |
| S4 Group Properties Ltd | Real estate | 2019 |
| S4 Properties Ltd | Real estate | 2017 |
| SA Dental Healthcare Limited | Health & social care | 2025 |
| Saavi Finance Limited | Wholesale & retail | 2022 |