| Shinesun Garment Co., Ltd | Manufacturing | 2024 |
| Shineway Industry Limited | Extraterritorial | 2007 |
| Shining Fashion Co., Limited | Wholesale & retail | 2022 |
| Shininggold Ltd | Information & communication | 2021 |
| Shinsan Car Care Products Co., Limited | Extraterritorial | 2021 |
| Shiny Marine Service Co., Ltd | Manufacturing | 2024 |
| Shinzoom Ltd | Information & communication | 2025 |
| Ship's Spare Parts & Service Limited | Extraterritorial | 2016 |
| Shiqi International Holdings Ltd | Professional & scientific | 2014 |
| Shirley Fuels Ltd | Wholesale & retail | 2022 |
| Shirley Projects Limited | Construction | 2023 |
| Shishi Shenghe Import and Export Trading Co., Ltd | Manufacturing | 2026 |
| Shivas Pharmacy Limited | Wholesale & retail | 2007 |
| Shivas Property Company Limited | Real estate | 2006 |
| Shodo Electronic Co., Ltd | Wholesale & retail | 2023 |
| Shone Industry Group Limited | Extraterritorial | 2019 |
| Shongo Ltd | Information & communication | 2011 |
| Shooters Sports Limited | Education | 2022 |
| Shopeego Ltd | Wholesale & retail | 2025 |
| Shoregate Consulting Ltd | Professional & scientific | 2002 |
| SHP Solutions Ltd | Professional & scientific | 2010 |
| Shuangji International Limited | Extraterritorial | 2023 |
| Shuichuan Industry Co., Ltd | Extraterritorial | 2018 |
| Shun Rong DA Trading Company Limited | Administrative & support | 2021 |
| Shunda Enterprise Co., Ltd | Manufacturing | 2016 |
| Shunda International Co., Ltd | Extraterritorial | 2019 |
| Shunda Network Technology Limited | Wholesale & retail | 2019 |
| Shundao Ltd | Transport & logistics | 2025 |
| Shunying Marine Service Co., Ltd | Manufacturing | 2024 |
| Shunyu Seafood Ltd | Extraterritorial | 2019 |
| SHY Bearings Ltd | Manufacturing | 2022 |
| Siaisiai Limited | Professional & scientific | 2024 |
| Sian JM Ltd | Education | 2021 |
| SIC Processing Co., Ltd | Extraterritorial | 2013 |
| Sidaa (UK) Limited | Mining & quarrying | 2024 |
| Sidake Energy Technology Limited | Manufacturing | 2018 |
| Siegbahn Electric Ltd | Manufacturing | 2017 |
| Sielte S.P.A. Ltd | Wholesale & retail | 2023 |
| Siemsatec Ltd | Construction | 2004 |
| Sigma Systematic Ltd | Information & communication | 2021 |
| Signature Development Solutions Limited | Construction | 2018 |
| Signature Prism Ltd | Other services | 2025 |
| Signi Technology Ltd. | Extraterritorial | 2018 |
| Signmate Limited | Manufacturing | 2024 |
| Sigri New Material Technology (Tianjin) Co., Ltd | Manufacturing | 2023 |
| Siiri Studio Ltd | Manufacturing | 2024 |
| Silent Cat Games Ltd | Information & communication | 2024 |
| Silicon Growth Ltd | Professional & scientific | 2017 |
| Silk Beauty Limited | Manufacturing | 2024 |
| Silkbird Limited | Real estate | 2022 |
| Silong Global Trade Company Limited | Wholesale & retail | 2020 |
| Silu Jinwang Co., Limited | Wholesale & retail | 2025 |
| Silvemark Ltd | Extraterritorial | 2026 |
| Silver Fork Limited | Wholesale & retail | 2026 |
| Silver Long Co., Ltd. | Wholesale & retail | 2009 |
| Silver Screen Construction Ltd | Construction | 2019 |
| Silver Technology Development Co., Ltd | Extraterritorial | 2014 |
| Silverstone Homes Limited | Construction | 2002 |
| Silvester & Co Limited | Arts & recreation | 2014 |
| Silwood Street Developments Holdings Ltd | Construction | 2022 |
| Silwood Street Developments Limited | Construction | 2021 |
| Sima Equipment Service Co., Ltd. | Manufacturing | 2013 |
| Simater Co., Ltd | Extraterritorial | 2021 |
| Simba Global Ltd | Manufacturing | 2022 |
| Siming Plastic Co., Ltd | Wholesale & retail | 2020 |
| Simon Cohen Limited | Information & communication | 2013 |
| Simon Wakeman Limited | Administrative & support | 2013 |
| Simone Hair Ltd | Other services | 2018 |
| Simple International Education Co., Ltd | Public administration | 2021 |
| Simply 4 Childcare Limited | Health & social care | 2023 |
| Simply 4 Property Management Ltd | Construction | 2019 |
| Simply Care Recruitment Limited | Other services | 2020 |
| SIMPLY4 Labour Services Ltd | Construction | 2025 |
| Simtek Electronics Co., Ltd. | Wholesale & retail | 2020 |
| Sinabo Furniture Ltd | Extraterritorial | 2020 |
| Sincere Star Steel Co., Ltd | Manufacturing | 2023 |
| Sindabad Global Trade Co., Ltd | Wholesale & retail | 2024 |
| Sindian Co., Ltd | Extraterritorial | 2025 |
| Sindl Group Co., Ltd | Wholesale & retail | 2023 |
| Sinebond New Materials Co., Ltd | Extraterritorial | 2019 |
| Sing ALL Together Beckenham CIC | Arts & recreation | 2021 |
| Singular Innovations Ltd | Professional & scientific | 2017 |
| Sinkong Marine Co., Ltd | Extraterritorial | 2020 |
| Sinmo Ltd | Manufacturing | 2013 |
| Sino Dragon Ltd | Extraterritorial | 2021 |
| Sino International Ltd | Manufacturing | 2023 |
| Sino Medical Co., Ltd | Extraterritorial | 2016 |
| Sino MUD Co., Ltd. | Manufacturing | 2021 |
| Sino Trade and Brokers Ltd | Mining & quarrying | 2025 |
| Sino Yubo International Group Ltd | Wholesale & retail | 2022 |
| Sino-Best Industries Co., Ltd | Extraterritorial | 2024 |
| Sino-Infotech Co., Ltd | Professional & scientific | 2015 |
| Sino-Metals (Tianjin) Co., Ltd. | Extraterritorial | 2020 |
| Sinocar Technology Co., Ltd | Wholesale & retail | 2024 |
| Sinoconve Belt Co., Ltd | Mining & quarrying | 2014 |
| Sinoen International Ltd | Extraterritorial | 2022 |
| Sinoenergy Power Tech Co., Limited | Extraterritorial | 2013 |
| Sinoeng International Co., Ltd | Extraterritorial | 2014 |
| Sinofar Biotech Limited | Extraterritorial | 2024 |
| Sinohaiyao International Co., Ltd | Professional & scientific | 2017 |