| Roundwood Healthcare Limited | Extraterritorial | 2014 |
| Rova 365 Ltd | Wholesale & retail | 2025 |
| Roworth Ltd | Agriculture & fishing | 2019 |
| ROY Marriott Plumbing and Heating Ltd | Construction | 2025 |
| RPL Paving and Landscaping Ltd | Construction | 2025 |
| Rppeptides Limited | Extraterritorial | 2025 |
| Rpperformance Limited | Extraterritorial | 2025 |
| RR Patel Limited | Real estate | 2020 |
| RRG Groundworks Contractors Limited | Construction | 2018 |
| RS Annex Limited | Construction | 2011 |
| RS Evolution Group Holdings Limited | Financial services | 2024 |
| RS Recruit Ltd | Education | 2025 |
| RS Surfacing Solutions Ltd | Construction | 2025 |
| RSA Consultancy Limited | Professional & scientific | 2014 |
| RSC Buying Group Limited | Professional & scientific | 2007 |
| Rsiderfin Consulting Ltd | Financial services | 2020 |
| RTJ Comms Limited | Information & communication | 2025 |
| Rtrl Property Ltd | Real estate | 2025 |
| Rubblecrusher Limited | Manufacturing | 1999 |
| Rubetron Ltd | Wholesale & retail | 2024 |
| Rufford Brothers Properties Limited | Real estate | 2025 |
| Rufford Civil Engineering Ltd | Construction | 2008 |
| Rufford Developments Limited | Construction | 2011 |
| Rufford Estates Limited | Construction | 2013 |
| Rumbles @ Sconce Park CIC | Hospitality | 2011 |
| Runonair Ltd | Information & communication | 2018 |
| Runtons Consulting Limited | Professional & scientific | 2025 |
| Runway Cafe (Ashbourne) 2024 Ltd | Hospitality | 2024 |
| Rural Threads Limited | Wholesale & retail | 2014 |
| Rushcliffe Property Ltd | Real estate | 2019 |
| Rushley Manor (Management) Limited | Real estate | 2001 |
| Russ Ellis Photography Limited | Professional & scientific | 2016 |
| Russ Whittaker Occupational Therapy Limited | Professional & scientific | 2010 |
| Russell & Booth Property Services Ltd | Real estate | 2023 |
| Rvolution Enterprises Limited | Arts & recreation | 2025 |
| Ryan Praise Ltd | Health & social care | 2022 |
| Ryan Rentals Ltd | Real estate | 2025 |
| Ryegate Properties 8 Ltd | Health & social care | 2022 |
| Ryegate Properties 10 Ltd | Real estate | 2024 |
| Ryegate Properties 11 Ltd | Real estate | 2025 |
| Ryegate Properties 12 Ltd | Real estate | 2026 |
| Ryegate Properties 14 Ltd | Real estate | 2026 |
| Ryegate Properties 15 Ltd | Real estate | 2026 |
| Ryegate Properties 2 Ltd | Health & social care | 2017 |
| Ryegate Properties 3 Ltd | Health & social care | 2017 |
| Ryegate Properties 4 Ltd | Construction | 2016 |
| Ryegate Properties 5 Ltd | Health & social care | 2020 |
| Ryegate Properties 6 Ltd | Health & social care | 2020 |
| Ryegate Properties 7 Ltd | Health & social care | 2021 |
| Ryegate Properties 9 Limited | Real estate | 2023 |
| Ryegate Properties Ltd | Health & social care | 2015 |
| RYM Consult Limited | Construction | 2022 |
| RYS Group Ltd | Real estate | 2025 |
| S & a Paving Driveways Ltd | Other services | 2022 |
| S & K Properties (U.K.) Limited | Real estate | 2015 |
| S & P Developments Ltd | Real estate | 2018 |
| S & P Steel Services Ltd | Construction | 2006 |
| S & P UK Developments Limited | Real estate | 2017 |
| S & R Properties (Nottingham) Limited | Construction | 2010 |
| S & S Developer Group Ltd | Construction | 2020 |
| S and J Housing Limited | Real estate | 2018 |
| S Brown Electrical Contractor Ltd | Construction | 2016 |
| S D Automotive Limited | Wholesale & retail | 2015 |
| S Goodwin Limited | Health & social care | 2008 |
| S H Cleaning Contractors UK Ltd | Administrative & support | 2012 |
| S I Developments (North) Limited | Real estate | 2009 |
| S J Meakin GAS Services Ltd | Construction | 2025 |
| S J Sanders Limited | Transport & logistics | 2022 |
| S K Investments Wirral Limited | Real estate | 2007 |
| S Mann Property Limited | Real estate | 2025 |
| S Mellody Limited | Hospitality | 2026 |
| S R Maher Retail Limited | Wholesale & retail | 2023 |
| S R Payne Car Recycling Limited | Water & waste | 2022 |
| S&G Coachworks Limited | Professional & scientific | 2003 |
| S&K Holdings Group Limited | Hospitality | 2024 |
| S&K Investments (U.K) Ltd | Real estate | 2024 |
| S&M Tooling Solutions Ltd | Manufacturing | 2024 |
| S. Bowers Roofing Ltd | Construction | 2019 |
| S. R. Payne Metal Recycling Ltd | Water & waste | 2020 |
| S.E.Nsational Minds Playgroup C.I.C. | Education | 2024 |
| S.L.S.Precision Engineers Limited | Manufacturing | 1979 |
| S2S Private Ltd | Wholesale & retail | 2025 |
| Saafire Limited | Transport & logistics | 2025 |
| Sabre Electrical & Fire Safety Systems Ltd | Construction | 2019 |
| Sacred Moroccan Wellness Ltd | Education | 2025 |
| Sacutia Healthcare Limited | Wholesale & retail | 2001 |
| Sadhra Logistics Ltd | Transport & logistics | 2026 |
| Safe Haven Day Nursery Limited | Education | 2013 |
| Safe Home Electrical Services Ltd | Construction | 2016 |
| Safe Port Group Ltd | Wholesale & retail | 2026 |
| Safeguard P.H.M.E Limited | Construction | 2021 |
| Safehabor Independent Living Ltd | Public administration | 2025 |
| Safestim Limited | Health & social care | 2026 |
| Safety Shield Limited | Professional & scientific | 1998 |
| Saffron Homes (Midlands) Ltd | Real estate | 2019 |
| Saharsh Limited | Health & social care | 2020 |
| SAI Thurgai Limited | Wholesale & retail | 2022 |
| Sajp Ltd | Hospitality | 2023 |
| Sajpubs Ltd | Hospitality | 2023 |
| Saldon Surfacing Solutions Ltd | Construction | 2020 |