| Segment 47 Limited | Wholesale & retail | 2019 |
| Seguriano SP | | 2002 |
| Seidor Trading LP | | 2012 |
| Seilii Ltd | Information & communication | 2023 |
| Seina Investments Limited Partnership | | 2016 |
| SEJ Electrical Contracting Ltd | Construction | 2016 |
| Sekharico Informatics Limited | Information & communication | 2017 |
| Selah Business Ventures Ltd | Real estate | 2013 |
| Selaura Limited | Wholesale & retail | 2020 |
| Select Bathroom Solutions Ltd | Wholesale & retail | 2018 |
| Select Exec Limited | Extraterritorial | 1994 |
| Select Fame LP | | 2015 |
| Select Japan (GK Holdings UK) Limited | Real estate | 2014 |
| Select Japan (TK Holdings UK) Limited | Real estate | 2014 |
| Select Letting Solution Ltd | Real estate | 2023 |
| Select Liquidity Solutions SPV I Carry Limited Partnership | | 2021 |
| Select Pharma Laboratories Ltd. | Professional & scientific | 2009 |
| Select Publishing Limited | Information & communication | 2005 |
| Select Retail Ltd | Wholesale & retail | 2015 |
| Select Services & Co | | 1993 |
| Select-A-Blind Ltd. | Wholesale & retail | 2006 |
| Selecta Development LP | | 2016 |
| Selecta International LP | | 2015 |
| Selene Glow Limited | Wholesale & retail | 2025 |
| Selenga LP | | 2013 |
| Seleste Electronic LP | | 2018 |
| Selew LP | | 2016 |
| Self Consult 1 Limited | Construction | 2022 |
| Self Consult 2 Limited | Wholesale & retail | 2022 |
| Self Craft LP | | 2021 |
| Self Directed Support Scotland | Other services | 2010 |
| Self Truth Systems Ltd | Education | 2026 |
| Selfcore Limited | Information & communication | 2026 |
| Selfwave Ltd | Extraterritorial | 2025 |
| Selica Assets LP | | 2018 |
| Selkie Market Research LP | | 2015 |
| Selkie Productions Limited | Information & communication | 2014 |
| Sell Metal LP | | 2016 |
| Sell More Tickets Limited | Arts & recreation | 2017 |
| Sell Property Fast Limited | Real estate | 2008 |
| Sellavision Capital LP | | 2014 |
| Seller Exits Ltd | Professional & scientific | 2026 |
| Sellex Trade LP | | 2015 |
| Sellmark Ltd | Wholesale & retail | 2019 |
| Selloutpictures 3F Limited | Information & communication | 2017 |
| Sellystor Ltd | Other services | 2025 |
| Selma Shipping LP | | 2017 |
| Selsbury International Group | | 1994 |
| Selsursum Ltd | Other services | 2024 |
| Selter Inter LP | | 2011 |
| Seluna Trade LP | | 2017 |
| Selverta LP | | 2016 |
| Selvinura Trade LP | | 2012 |
| Semafind Limited | Information & communication | 2022 |
| Semalt LP | | 2020 |
| Seman Group LP | | 2017 |
| Semantify Consulting Ltd | Information & communication | 2026 |
| Semco Business LP | | 2019 |
| Semi Flora Limited | Extraterritorial | 2019 |
| Semi-Chem (Stores) Limited | Wholesale & retail | 1981 |
| Semi-Chem Limited | Extraterritorial | 2000 |
| Semicon Solutions Ltd | Manufacturing | 2024 |
| Seminal Solutions Ltd | Information & communication | 2007 |
| Semitech Corporation L.P. | | 2010 |
| Semper Ante LP | | 2014 |
| Semper Held LP | | 2016 |
| Semper Solving Ltd. | Real estate | 2017 |
| Sempra Trading LP | | 2014 |
| Sempre Impex LP | | 2012 |
| Semtech Limited | Manufacturing | 1973 |
| SEN Situ Limited | Other services | 2022 |
| Sena BET LP | | 2016 |
| Senamie JO House Ltd | Wholesale & retail | 2023 |
| Senator Projects L.P. | | 2015 |
| Sencom LP | | 2014 |
| Send Wise Limited | Education | 2020 |
| Seneca Capital Carry LP | | 2012 |
| Seneca Capital Carry NO. 2 LP | | 2015 |
| Seneca Capital Investments NO. 1 LP | | 2012 |
| Seneca Capital Investments NO. 2 LP | | 2015 |
| Sener Consulting Ltd | Professional & scientific | 2020 |
| Senes Limited | Financial services | 2020 |
| Senesca Limited | Hospitality | 2020 |
| Senetti Capital SLP | | 2005 |
| Sengi (Europe) Ltd | Information & communication | 2014 |
| Sense Accounting Limited | Professional & scientific | 2016 |
| Sense Commerce LP | | 2022 |
| Sensecloud Technologies Ltd | Information & communication | 2025 |
| Senselit Corporation LP | | 2016 |
| Sensible Diet LP | | 2014 |
| Sensori Group Ltd | Information & communication | 2025 |
| Sentekie Solutions Limited | Information & communication | 2013 |
| Senti Global LP | | 2014 |
| Sentic Associates LP | | 2016 |
| Sentilor, LP | | 2012 |
| Sentinal Software Limited | Information & communication | 2026 |
| Sentinel AG Strategy Ltd | Professional & scientific | 2026 |
| Sentinel Power Quality Group Limited | Professional & scientific | 2026 |
| Sentinelcipher Labs Ltd | Real estate | 2025 |
| Sentinelis Industrial Systems Ltd | Manufacturing | 2025 |