| Reubens Reach (NO. 1) Management Company Limited | Households | 2007 |
| Reubens Reach (NO. 2) Management Company Limited | Households | 2007 |
| Revilo REG (CMC) Solutions Ltd | Administrative & support | 2022 |
| Revival by Design Ltd | Wholesale & retail | 2018 |
| Revive Recovery Lounge Ltd | Other services | 2026 |
| Revnet Safety Systems (Hire & Sales) Ltd | Administrative & support | 2025 |
| Revnet Safety Systems Limited | Construction | 2019 |
| Revscaff Safety Systems Ltd | Construction | 2025 |
| Rezzar New Ltd | Hospitality | 2024 |
| RG Consulting Services Ltd | Professional & scientific | 2008 |
| RGT Farming Ltd | Agriculture & fishing | 2013 |
| Rhino Project Management Limited | Professional & scientific | 2006 |
| Rhombus Accounting Limited | Professional & scientific | 2022 |
| Rhombus Group Limited | Financial services | 2022 |
| Richard Falkingham Limited | Agriculture & fishing | 2012 |
| Richard Gell Limited | Administrative & support | 2016 |
| Richard Hudson Limited | Information & communication | 2003 |
| Richard Stow Limited | Real estate | 2020 |
| Richard Stow Property Limited | Real estate | 2024 |
| Richmond Court Block C Ltd. | Households | 2013 |
| Rick Davis Court Management Company Limited | Professional & scientific | 2002 |
| Ridgway Healthcare Solutions Ltd | Health & social care | 2019 |
| Right Angle Solutions Limited | Wholesale & retail | 2018 |
| Riot Girl Collective CIC | Arts & recreation | 2025 |
| Ripon Mobile Home Park Ltd | Hospitality | 2018 |
| Riverside Farming LLP | | 2021 |
| RJ Properties (Yorkshire) Ltd | Real estate | 2023 |
| RJH (North East) Ltd | Other services | 2018 |
| RL Electrical Installations Ltd | Construction | 2019 |
| RLK Electrical Ltd | Information & communication | 2018 |
| RLT Properties Limited | Real estate | 2016 |
| RM Carpentry and Joinery Limited | Manufacturing | 2024 |
| RM Design Group Limited | Professional & scientific | 2022 |
| RM Kealey Farmer & Butcher Ltd | Manufacturing | 2015 |
| Robert Shand Building Contractor Ltd | Construction | 2026 |
| Robert Yeats & SON Limited | Real estate | 1960 |
| Roberts & Burton Limited | Professional & scientific | 2013 |
| Robograb Ltd | Administrative & support | 2017 |
| Robust Athlete Ltd | Education | 2025 |
| Rock-A-Hula Limited | Hospitality | 2012 |
| Rockabilly Raven Boutique Ltd | Wholesale & retail | 2018 |
| Roddison's Recovery Limited | Wholesale & retail | 2002 |
| Roger Miles Plant Sales Ltd. | Wholesale & retail | 2002 |
| Roksi Beauty Ltd | Other services | 2024 |
| Roman HGV Ltd | Transport & logistics | 2025 |
| Romeo’S Bar Italiano Ltd | Hospitality | 2023 |
| Ronnies Signature Moments Ltd | Hospitality | 2025 |
| Roofing Distribution UK Limited | Construction | 2013 |
| Rooms at the Downes Ltd | Hospitality | 2022 |
| Root & Rise Together CIC | Health & social care | 2025 |
| Ropes 4 Access Ltd | Construction | 2020 |
| Rose BUD Studios Ltd | Real estate | 2023 |
| Rosepark Trust Limited | Health & social care | 1975 |
| Rosewood Physiotherapy Ltd | Professional & scientific | 2022 |
| Rosindale Ervie Ltd | Professional & scientific | 2015 |
| Roubaix Bidco Limited | Manufacturing | 2016 |
| Rougier Properties Limited | Financial services | 2023 |
| Rowlatt Homes Ltd | Real estate | 2024 |
| Royston Glass Holdings Limited | Financial services | 2017 |
| Royston Group Properties Limited | Financial services | 2023 |
| Rpeb Properties Ltd | Hospitality | 2025 |
| Rshi Testing Limited | Information & communication | 2013 |
| RSM Systems Ltd | Manufacturing | 2025 |
| RSV Group Limited | Financial services | 2024 |
| Rubys Electric Services Limited | Construction | 2025 |
| RWB Accountants Limited | Professional & scientific | 2010 |
| RWB Tax Limited | Professional & scientific | 2010 |
| RYE Hill Golf Club Limited | Arts & recreation | 2008 |
| Ryse Estates Limited | Real estate | 2026 |
| S & D Imports (Worldwide) Limited | Real estate | 2002 |
| S & D Recruitment Limited | Administrative & support | 2010 |
| S & L Services Ltd | Other services | 2025 |
| S & S Medley Limited | Agriculture & fishing | 2021 |
| S C Forrest Contractors Ltd | Construction | 2017 |
| S Cowling Properties Ltd | Real estate | 2026 |
| S D & a J Wood Limited | Agriculture & fishing | 2018 |
| S Kitwood Builders Limited | Construction | 2010 |
| S L G Wholesale Meats Limited | Wholesale & retail | 2009 |
| S L V Services Ltd | Professional & scientific | 2019 |
| S M Fitness UK Ltd | Health & social care | 2020 |
| S P H Transport Limited | Transport & logistics | 2005 |
| S R Fabrications & SON Ltd | Manufacturing | 2008 |
| S Vickers & Sons Ltd | Other services | 2019 |
| S&M Goole Ltd | Hospitality | 2024 |
| S.E.F.K. Builders Ltd | Construction | 2016 |
| S.J.A. Building Services Ltd | Construction | 2012 |
| S.J.S Agriplant Ltd | Manufacturing | 2015 |
| S.M.C. Joinery Limited | Construction | 2006 |
| S.Wooff RLC Limited | Construction | 2025 |
| S62 Ltd | Hospitality | 2019 |
| Saba Retail Ltd | Wholesale & retail | 2025 |
| Sable Property Limited | Real estate | 2019 |
| Safeguarding Academy Ltd | Extraterritorial | 2021 |
| Safeguarding Supervision Ltd | Extraterritorial | 2021 |
| Safeway Security Services Limited | Administrative & support | 1997 |
| Salagean Ltd | Construction | 2021 |
| Salazos Ltd | Information & communication | 2019 |
| Salko Engineering Supplies Limited | Construction | 2026 |
| Salko Group Limited | Financial services | 2026 |
| Salko Specialist Recruitment Limited | Administrative & support | 2026 |