| Revelion Pictures Ltd | Information & communication | 2022 |
| Rexil Tech Limited | Information & communication | 2024 |
| Riccardo Limited | Health & social care | 2007 |
| Ridge Trips Ltd | Administrative & support | 2024 |
| Right Estate Limited | Real estate | 2004 |
| Riverside Driving Ltd | Education | 2022 |
| RJ Ecom Solutions Ltd | Wholesale & retail | 2025 |
| RM Empire Limited | Wholesale & retail | 2025 |
| ROA Solutions Ltd | Information & communication | 2026 |
| Roadrunner Cars Limited | Transport & logistics | 2016 |
| Rodentric Limited | Wholesale & retail | 2025 |
| ROK Rail Limited | Transport & logistics | 2024 |
| Rolpix Investment Ltd | Financial services | 2025 |
| Romanian Products Distribution Ltd | Hospitality | 2015 |
| ROOTS2ROUTES Counselling Ltd | Health & social care | 2025 |
| Rootsmru Ltd | Administrative & support | 2025 |
| Rosewood Gates Limited | Real estate | 2025 |
| Roshaan Ltd | Wholesale & retail | 2025 |
| Rovaltino Limited | Wholesale & retail | 2026 |
| Rowland Plastering Services Limited | Construction | 2023 |
| Rozick Limited | Wholesale & retail | 2022 |
| Rubz Business Limited | Other services | 2010 |
| Ruishien Ltd | Manufacturing | 2026 |
| Russafa Limited | Construction | 2015 |
| S & T Drylining Limited | Construction | 2016 |
| S D J Transport Limited | Transport & logistics | 2012 |
| S Goswell Haulage Limited | Transport & logistics | 2014 |
| S Limbachia Holdings Limited | Real estate | 2024 |
| S P G Services Limited | Transport & logistics | 2015 |
| S T M Consultancy Limited | Information & communication | 2016 |
| S. Austin Refurbishments Limited | Construction | 2008 |
| S.A.S. Media Limited | Wholesale & retail | 2025 |
| Saad HB Solutions Ltd | Wholesale & retail | 2025 |
| Sabina East HAM Ltd | Wholesale & retail | 2019 |
| Sadia Haroon Ltd | Wholesale & retail | 2025 |
| Sagefy.Ai Limited | Information & communication | 2024 |
| Sahal Emporium Ltd | Wholesale & retail | 2025 |
| Sakher Ltd | Information & communication | 2024 |
| Sales Stream Ltd | Wholesale & retail | 2021 |
| Sales Trend Limited | Wholesale & retail | 2020 |
| SAM Hub Ltd | Wholesale & retail | 2025 |
| Samaara Services Limited | Health & social care | 2014 |
| Sanan Ahmad Ltd | Wholesale & retail | 2025 |
| Sandbro Limited | Health & social care | 2008 |
| Sarpal & 3 Daughters LLP | | 2020 |
| Sasic Ltd | Construction | 2023 |
| SAT Collection Limited | Wholesale & retail | 2022 |
| Satugo Ltd | Wholesale & retail | 2025 |
| SC3 Limited | Wholesale & retail | 2023 |
| Scale Spring Ltd | Wholesale & retail | 2025 |
| SCG Corporation Ltd | Wholesale & retail | 2025 |
| Sefatco Ltd | Wholesale & retail | 2025 |
| Seiwone Ltd | Wholesale & retail | 2026 |
| Selective Care Match Ltd | Information & communication | 2023 |
| Sentinel Tiling Limited | Construction | 2018 |
| Serann Limited | Wholesale & retail | 2021 |
| Setag Contracts Limited | Construction | 2021 |
| Sewa Car Hire Ltd | Administrative & support | 2019 |
| Sey-Samuel Properties Limited | Real estate | 2025 |
| SHA Intelligence Limited | Information & communication | 2026 |
| Shadamgroupofcompanies Ltd | Wholesale & retail | 2026 |
| Shahid Bashir Ltd | Information & communication | 2025 |
| Shaikh Holdings Limited | Real estate | 2020 |
| Shan Properties Ltd | Real estate | 2014 |
| Shantou Huaxia Agel Ecommerce Ltd | Wholesale & retail | 2025 |
| Shar Fasale Ltd | Wholesale & retail | 2026 |
| Shareb Affiliates Limited | Professional & scientific | 2018 |
| Sharp Flame GAS Solutions Limited | Construction | 2020 |
| Shelduck Road Consulting Limited | Information & communication | 2013 |
| Shenyang Henyi Enterprise (U K) Ltd | Wholesale & retail | 2025 |
| Shenzhen Aiwoyi Network Technology Ltd | Wholesale & retail | 2025 |
| Shenzhen Chuangyishidai Technology Co Ltd | Wholesale & retail | 2025 |
| Shenzhen Jindashun Keji Ltd | Wholesale & retail | 2025 |
| Shenzhen Shengyuanchuang Co Ltd | Wholesale & retail | 2025 |
| Shishun UK Limited | Wholesale & retail | 2026 |
| Shop Sphare Ltd | Wholesale & retail | 2025 |
| Shopatude Ltd. | Wholesale & retail | 2014 |
| Shoplohub Ltd | Wholesale & retail | 2025 |
| Shravan Ltd | Hospitality | 2024 |
| Sian Windows & Shutters Limited | Wholesale & retail | 2023 |
| Sian Windows Limited | Wholesale & retail | 2012 |
| Sibari Limited | Real estate | 2023 |
| Sierra Crest Trading Ltd | Administrative & support | 2026 |
| Signcraft (London) Limited | Professional & scientific | 2006 |
| Silman Ltd | Construction | 2018 |
| Silvain Electrical Limited | Construction | 2016 |
| Silveroak Trading Ltd | Wholesale & retail | 2025 |
| Sim-Paul Spray Rendering Limited | Construction | 2018 |
| Simenco Limited | Wholesale & retail | 2024 |
| Simon & SON Crane Services Limited | Construction | 2016 |
| Simpson Haulage Limited | Transport & logistics | 2005 |
| SJC Corporation Limited | Professional & scientific | 2024 |
| SKM Painting Limited | Construction | 2015 |
| SL Cleaning Services Limited | Administrative & support | 2017 |
| Sleekhaus Ltd | Wholesale & retail | 2025 |
| SMA Fruit & VEG Traders Ltd | Wholesale & retail | 2024 |
| Smile Outlet Ltd | Wholesale & retail | 2025 |
| Smilee Goods Ltd | Wholesale & retail | 2026 |
| Smmcare Ltd | Information & communication | 2024 |
| SMP Logistics Limited | Transport & logistics | 2016 |