| Riverside Movers Limited | Transport & logistics | 2008 |
| Riverside Performance Studios Limited | Arts & recreation | 2017 |
| Rixgreen Ltd | Information & communication | 2019 |
| RJB Property Ltd | Real estate | 2019 |
| RJC Linings Limited | Construction | 2007 |
| RJD Commercials Limited | Wholesale & retail | 2010 |
| RJD Property Limited | Real estate | 2018 |
| RJD Van Hire Limited | Other services | 2019 |
| Rjelinksas Ltd | Transport & logistics | 2018 |
| RJH Power Solutions Ltd | Construction | 2022 |
| RJK Professional Services Ltd | Information & communication | 2024 |
| RJT Holdings Investments Limited | Financial services | 2026 |
| RJW Software Solutions Limited | Information & communication | 2016 |
| Rjwp Consultants Limited | Professional & scientific | 2020 |
| RK Automotive Limited | Wholesale & retail | 2003 |
| Rkalakoti Limited | Health & social care | 2011 |
| RKG Mechanical Ltd | Construction | 2019 |
| RKG Property Holdings Ltd | Real estate | 2023 |
| RLC M&E Services Limited | Construction | 2015 |
| RLL Secretaries Ltd | Administrative & support | 2006 |
| RM Accounting Solutions Ltd | Professional & scientific | 2019 |
| RM Enterprise Ltd | Wholesale & retail | 2024 |
| RM Mortgage Solutions Limited | Financial services | 2012 |
| RMD Flooring Ltd | Other services | 2019 |
| RMS Building Services Consultancy Limited | Administrative & support | 2014 |
| RMS Precision Limited | Manufacturing | 2005 |
| RMS Wealth Management Limited | Professional & scientific | 2015 |
| Rmsa Limited | Wholesale & retail | 2018 |
| Roach 1959 Limited | Extraterritorial | 2013 |
| ROB & SON Scaffolding Services Ltd | Construction | 2021 |
| Robert Butler Tamworth Limited | Financial services | 2016 |
| Robert Turner Plumbing & Heating Limited | Construction | 2005 |
| Robinson Dynamics Ltd | Information & communication | 2023 |
| Robinson Safe Limited | Professional & scientific | 2007 |
| Robinson.Project Limited | Professional & scientific | 2012 |
| Rockadm Ltd | Professional & scientific | 2023 |
| Rockpoint Limited | Wholesale & retail | 1994 |
| ROF Inventory Ltd | Transport & logistics | 2024 |
| Rolemech Ltd | Manufacturing | 2026 |
| Romaeve Ltd | Wholesale & retail | 2022 |
| Ronax Ltd | Extraterritorial | 2026 |
| Ronax Solutions Ltd | Construction | 2025 |
| Roofseal Tamworth Limited | Construction | 2017 |
| Rook Perfumes Limited | Manufacturing | 2019 |
| Rooms and Homes Ltd | Real estate | 2023 |
| Roots (Support) C.I.C. | Health & social care | 2026 |
| ROR Lifting Ltd | Construction | 2025 |
| Rosa Barber Ltd | Other services | 2025 |
| Rose Events Ltd | Arts & recreation | 2014 |
| Roses Stores(Polesworth)Limited | Real estate | 1962 |
| Rosewood Residents Association Limited | Households | 1986 |
| Rosey IT Limited | Information & communication | 2020 |
| Rosme Lingerie Limited | Wholesale & retail | 2025 |
| Ross Biddle Holdings Limited | Professional & scientific | 2024 |
| Ross Property Group Ltd | Real estate | 2017 |
| Rossington Tech Limited | Manufacturing | 2026 |
| Rotacon Marketing UK Ltd | Administrative & support | 2020 |
| Roth UK Limited | Wholesale & retail | 2005 |
| Rotherhull 2023 Limited | Energy | 2023 |
| Rotom Cargo PAK Ltd | Manufacturing | 2008 |
| Rough Ride Games Limited | Information & communication | 2014 |
| Route 69 Spedition Ltd | Transport & logistics | 2022 |
| Route One Freight Limited | Transport & logistics | 2008 |
| Routed Ltd | Wholesale & retail | 2026 |
| Routeone Traffic Management Ltd | Transport & logistics | 2017 |
| Rowles Recruitment Ltd | Administrative & support | 2025 |
| Roxal Limited | Manufacturing | 2023 |
| Roxton Mcqueen Ltd | Wholesale & retail | 2025 |
| RP Network Engineering Ltd | Agriculture & fishing | 2025 |
| RPM Electrical Ltd | Construction | 2026 |
| RPS Technical Services Limited | Other services | 1995 |
| Rr&Ci Trans Ltd | Transport & logistics | 2024 |
| RS Garage Tamworth Limited | Wholesale & retail | 2018 |
| RS Revolution Ltd | Professional & scientific | 2024 |
| RS22 Limited | Information & communication | 2017 |
| RSA Builders Limited | Extraterritorial | 2023 |
| RSI Rogan Structural Integrity Limited | Professional & scientific | 2026 |
| Rskb Holdings LLP | | 2014 |
| RT Trans (UK) Ltd | Transport & logistics | 2023 |
| RTI Extrusions Europe Limited | Manufacturing | 2013 |
| RTI International Metals Limited | Manufacturing | 1998 |
| RUB ME Tender Limited | Hospitality | 2018 |
| Rubber Roof Systems Ltd | Construction | 2003 |
| Rubix Impact Ltd | Transport & logistics | 2021 |
| Ruby Rigging Ltd | Information & communication | 2014 |
| Rugosus Limited | Information & communication | 2001 |
| Ruminate Productions Ltd. | Information & communication | 2017 |
| Rupawalla Ltd | Other services | 2020 |
| Rutherfords Legal LLP | | 2011 |
| Ruxandcip Ltd | Wholesale & retail | 2018 |
| Ruxandcip Properties Ltd | Real estate | 2025 |
| RW & DP Properties Limited | Real estate | 2022 |
| RW Vehicles Ltd | Wholesale & retail | 2022 |
| RWD Contractors Limited | Professional & scientific | 2018 |
| Ryan James Butcher and Fishmonger Ltd | Wholesale & retail | 2020 |
| Ryder CUP European Development Limited | Arts & recreation | 2003 |
| Ryder CUP European Development Trust | Arts & recreation | 2004 |
| Ryze Contracts Limited | Construction | 2019 |
| S & J Safety Consultants Ltd | Professional & scientific | 2023 |
| S & K a Services Ltd | Construction | 2019 |