| Queenstar Limited | Administrative & support | 2022 |
| Quentin Sterlin Recruitment Ltd Ltd | Administrative & support | 2026 |
| Quest Legal Search Limited | Administrative & support | 2016 |
| Quiddity Talent Solutions Ltd | Administrative & support | 2024 |
| Quorail Ltd | Professional & scientific | 2013 |
| QWR Community Regeneration Limited | Real estate | 2026 |
| R and K Services Limited | Other services | 2016 |
| R F U Ltd | Real estate | 2016 |
| R I Autobody Limited | Wholesale & retail | 2017 |
| R Khawaja Propertys Ltd | Real estate | 2023 |
| R L Harrison Construction Limited | Construction | 2006 |
| R Martin Management Services Ltd | Administrative & support | 2024 |
| R S Bespoke Design and Build Limited | Construction | 2015 |
| R&C Installations Limited | Construction | 2015 |
| R&C Property Rentals Ltd | Real estate | 2020 |
| R&M Motoers Ltd | Wholesale & retail | 2025 |
| R&S Civil Engineering Limited | Construction | 2022 |
| R.A.S.Mason&Sons Ltd | Construction | 2023 |
| R.J.S.Contractors 2022 Ltd | Construction | 2022 |
| R.N.B.H Limited | Hospitality | 2026 |
| R.P.S. Reed Pipework Services Ltd | Manufacturing | 2024 |
| R4G Ltd | Information & communication | 2010 |
| R58 Owners Club Ltd | Wholesale & retail | 2023 |
| RAE Group Ltd | Financial services | 2021 |
| Rafa International Limited | Wholesale & retail | 2021 |
| Rafael Trans Ltd | Transport & logistics | 2022 |
| Raffles 2 Riches Limited | Administrative & support | 2020 |
| Rafi Smart Repairs & Painting Services Ltd | Wholesale & retail | 2017 |
| RAI Europe Ltd | Wholesale & retail | 2015 |
| Railway and Industrial Safety Consultants Ltd | Manufacturing | 2002 |
| Railwayair Ltd | Manufacturing | 2023 |
| Raimes Limited | Construction | 2014 |
| Raja Brothers (Burton) Limited | Wholesale & retail | 2014 |
| Raja Global Ltd | Wholesale & retail | 2025 |
| Raja International Services Ltd | Wholesale & retail | 2024 |
| Raja Property Holdings SPV1 Limited | Real estate | 2026 |
| Raja Puran Travels Ltd | Wholesale & retail | 2019 |
| Raja Saqi Ltd | Wholesale & retail | 2024 |
| Rajoa Ltd | Real estate | 2025 |
| RAM Electrical Ltd | Manufacturing | 2015 |
| Ranch Consulting Ltd | Professional & scientific | 2019 |
| Rangemore Associates Limited | Other services | 2014 |
| Rangemore Farming Partnership LP | | 2022 |
| Rangemore Renovations Limited | Construction | 2011 |
| Rangemore Software Limited | Education | 1995 |
| Rangemore Systems Limited | Wholesale & retail | 1978 |
| Rapid Deliveries 2 YOU Ltd | Transport & logistics | 2025 |
| Rapid Pilot Ltd | Transport & logistics | 2019 |
| Rapid-Dyne Management Limited | Professional & scientific | 2020 |
| Ratman Trans Ltd | Transport & logistics | 2015 |
| Ratyal Group Ltd | Hospitality | 2019 |
| Ratyal Healthcare Ltd | Public administration | 2024 |
| Ratyal Radiology Consultancy Ltd | Health & social care | 2022 |
| Raudi Ltd | Manufacturing | 2025 |
| Ravinala Healthcare Services Ltd | Health & social care | 2024 |
| Rawa Legal Limited | Professional & scientific | 2026 |
| RAY + Wren Property Group Ltd | Administrative & support | 2026 |
| Raybech Limited | Professional & scientific | 2022 |
| Rayko Holdings Ltd | Financial services | 2022 |
| Raymal International Ltd | Wholesale & retail | 2020 |
| Razi Properties Limited | Real estate | 2023 |
| RB Grounds Care Ltd | Administrative & support | 2025 |
| Rbma Consultancy Ltd | Professional & scientific | 2025 |
| RDC Midlands Transport Ltd | Transport & logistics | 2022 |
| RDL Electrical Ltd | Construction | 2026 |
| REA Valley Tractors (Sudbury) Limited | Wholesale & retail | 1993 |
| REACH2 Academy Trust | Education | 2013 |
| Read Domestic Appliances Ltd | Wholesale & retail | 2011 |
| Realtime Data Systems Ltd | Information & communication | 2014 |
| Rebecca Homes Ltd | Health & social care | 2002 |
| Rebecca Jane Hair Limited | Other services | 2020 |
| Reclaim Earth CIC | Professional & scientific | 2021 |
| Recruitio Limited | Administrative & support | 2025 |
| Red & White Property Services Ltd | Households | 2024 |
| Red Room Productions Limited | Arts & recreation | 2001 |
| Redcoral PVT Ltd | Wholesale & retail | 2010 |
| Reddy's Medical Services Limited | Health & social care | 2012 |
| Redeemed Investments Ltd | Health & social care | 2025 |
| Redemption in Action UK Ltd | Professional & scientific | 2026 |
| Redfern Contract Consultants (Connect) Limited | Administrative & support | 2007 |
| Redfern Contract Consultants (Solutions) Limited | Information & communication | 2015 |
| Redfern Contract Consultants Limited | Professional & scientific | 2002 |
| Redgwick Industries Ltd | Manufacturing | 2014 |
| Redpen Leisure Ltd | Hospitality | 2023 |
| Reel Publishing & Media Limited | Information & communication | 2016 |
| Refirement CIC | Other services | 2025 |
| Reform Co Pilates Ltd | Arts & recreation | 2025 |
| Reframe Group Ltd | Wholesale & retail | 2019 |
| Regen Energy Limited | Professional & scientific | 2021 |
| Regen Power Ltd | Professional & scientific | 2016 |
| Regency Scaffold Services Ltd | Administrative & support | 2009 |
| Regenerco Ltd | Wholesale & retail | 2009 |
| Regional Tree Care Ltd | Agriculture & fishing | 2016 |
| Regionbridge Limited | Extraterritorial | 1998 |
| Rehab Jigsaw Limited | Health & social care | 2015 |
| Reliant Property Solutions Ltd | Construction | 2026 |
| Relish Foods Limited | Hospitality | 2023 |
| Relish Takeaway Limited | Hospitality | 2019 |
| Remoteazure Limited | Information & communication | 2006 |
| Remus Zamant Ltd | Wholesale & retail | 2025 |