| Pu-Chatka Ltd | Real estate | 2011 |
| Pulse Power Limited | Manufacturing | 2000 |
| Purewal Haulage Limited | Transport & logistics | 2020 |
| Purisingh Ltd | Hospitality | 2025 |
| Qaras Limited | Wholesale & retail | 2021 |
| QD Stores Wigston Limited | Wholesale & retail | 2025 |
| Quantec Heating Services Ltd | Construction | 2023 |
| Quick Property Experts Ltd | Real estate | 2025 |
| R Sharman Ltd | Professional & scientific | 2002 |
| R&J Courier Ltd | Transport & logistics | 2025 |
| R.W Clearances Ltd | Wholesale & retail | 2024 |
| RAC Property Solutions Limited | Real estate | 2023 |
| Radnor Road Management Company Limited | Extraterritorial | 1986 |
| Raga Audio Labs Ltd | Manufacturing | 2025 |
| RAJ Builder & Construction Ltd | Construction | 2026 |
| RAL Accountancy Ltd | Professional & scientific | 2015 |
| Ramy's JA Ltd | Manufacturing | 2024 |
| Ranam Ltd | Education | 2023 |
| Randhawa Construction (Leicester) Ltd | Construction | 2017 |
| Randhawa Transportation Ltd | Transport & logistics | 2021 |
| Ranmak Ltd | Education | 2023 |
| Rapid Recycling Ltd | Water & waste | 2026 |
| RAV Technology Ltd | Information & communication | 2019 |
| Razor Barbers Leics Ltd | Other services | 2023 |
| Ready, SET, Grow! Ltd | Education | 2024 |
| Red Informatics Ltd | Information & communication | 2016 |
| Red Monkey Eco Ltd | Construction | 2014 |
| Reform and Glow Ltd | Arts & recreation | 2025 |
| Regent Engineers Limited | Manufacturing | 1967 |
| Reichelt Empire Limited | Construction | 2020 |
| Relio Limited | Real estate | 2026 |
| Renatas People Ltd | Administrative & support | 2019 |
| Rera Technologies Ltd | Information & communication | 2020 |
| Resonate Systems Ltd | Construction | 2019 |
| Revive Boiler & Heating Ltd | Construction | 2021 |
| RG Expert Ltd | Construction | 2026 |
| RGV Electrical Ltd | Manufacturing | 2015 |
| RHK Property Ltd | Real estate | 2024 |
| Richard Looms Limited | Construction | 2016 |
| Riddick Educational Psychology Services Limited | Education | 2025 |
| Rijoke Supermarket Limited | Wholesale & retail | 2021 |
| Rillbank Court Management Limited | Real estate | 1989 |
| Rillmac Integrated Services Ltd | Construction | 2026 |
| Rioecom Ltd | Wholesale & retail | 2025 |
| RJ Construction (Leicester) Limited | Construction | 2022 |
| RJB Carpentry & Joinery Limited | Construction | 2023 |
| RKK Transport Manager Services Ltd | Administrative & support | 2025 |
| RM Gardens Ltd | Administrative & support | 2022 |
| Robinsons Tiling Ltd | Construction | 2023 |
| Rome Renovations Ltd | Construction | 2025 |
| Rosenland Ltd | Wholesale & retail | 2026 |
| Rotiti Limited | Information & communication | 2024 |
| RQ Open Ltd | Wholesale & retail | 2012 |
| RS Automotive (Leicester) Ltd | Wholesale & retail | 2019 |
| RS Energy Services Ltd | Construction | 2024 |
| RSV Emergency Plumbers Ltd | Construction | 2019 |
| RSW Fire Limited | Construction | 2015 |
| RSW Joinery Contractors Limited | Construction | 2007 |
| Rudham Consulting Ltd | Administrative & support | 2021 |
| Rusu Andrei Transport Limited | Transport & logistics | 2019 |
| RV Fast Food Ltd | Hospitality | 2025 |
| RV Pharma Ltd | Wholesale & retail | 2018 |
| Ryan Shuttlewood Ltd | Hospitality | 2021 |
| S P Coating Limited | Administrative & support | 2012 |
| S Sohal Ltd | Transport & logistics | 2021 |
| S Sohal Properties Ltd | Real estate | 2025 |
| S2 Constructions Leicester Ltd | Construction | 2020 |
| S2 Renovation Ltd | Construction | 2026 |
| Saby Lash Academy Ltd | Other services | 2026 |
| Safe Medical Ltd | Health & social care | 2025 |
| Safir Group Ltd | Other services | 2025 |
| SAG Foods Ltd | Hospitality | 2025 |
| Sahib Transport Leicester Ltd | Transport & logistics | 2023 |
| Sahjanandi Ltd | Wholesale & retail | 2025 |
| Salon 62 Limited | Other services | 2012 |
| Sameday Courier Solutions Ltd | Transport & logistics | 2008 |
| Samex Global Ltd | Wholesale & retail | 2026 |
| Sand Cast Lead (UK) Limited | Manufacturing | 2000 |
| Sandoval Concept Ltd | Wholesale & retail | 2021 |
| Sanskar Radio Limited | Information & communication | 2008 |
| Saral Motors Ltd | Wholesale & retail | 2026 |
| Saraye Ltd | Real estate | 2025 |
| Sarna Properties Limited | Real estate | 2016 |
| Satvik P&O Ltd | Health & social care | 2016 |
| Savoy Homes Ltd | Real estate | 2025 |
| Sayer Delivery Services Limited | Transport & logistics | 2026 |
| SB Building Supplies Limited | Wholesale & retail | 2012 |
| SB Multisports Limited | Education | 2022 |
| SBC Leic Ltd | Construction | 2026 |
| SBG Living Ltd | Hospitality | 2026 |
| SCN Brick's Ltd | Wholesale & retail | 2023 |
| SD Willow Ltd | Health & social care | 2022 |
| Seac Holdings Limited | Professional & scientific | 2005 |
| Seac Limited | Manufacturing | 1916 |
| Seaton Construction Limited | Construction | 2017 |
| Seavara Technologies Ltd | Information & communication | 2025 |
| Secure Plumbing & Heating Ltd | Construction | 2020 |
| Secure Surveillance Security Ltd | Administrative & support | 2025 |
| Select Fenestra Ltd | Manufacturing | 2025 |
| Select Switchgear and Control Limited | Manufacturing | 2007 |