| Saunders-Roe Ltd | Extraterritorial | 2022 |
| Saxon Coast Groundworks Ltd | Construction | 2025 |
| Saxon Rooms Limited | Real estate | 2023 |
| Sayers Developments Limited | Construction | 2020 |
| SBR Home Limited | Real estate | 2025 |
| Scaffold MAX Ltd | Administrative & support | 2025 |
| Scalesol Invest Ltd | Wholesale & retail | 2023 |
| Scantec UK Ltd | Wholesale & retail | 2024 |
| SCB Medical Services Ltd | Health & social care | 2023 |
| School of Contemporary Music Limited | Information & communication | 2003 |
| Science and Art Production Ltd | Administrative & support | 2011 |
| Scribe Master Limited | Manufacturing | 2012 |
| Scrocca Ltd | Wholesale & retail | 2025 |
| SDB Damp Division Ltd | Construction | 2025 |
| Sdkm Properties Limited | Real estate | 2020 |
| Sdla Management LLP | | 2026 |
| SDS Civils & Plant Ltd | Construction | 2017 |
| SE Photobooths Ltd | Arts & recreation | 2017 |
| Seasons Art Canterbury Ltd | Arts & recreation | 2025 |
| Seasons Art Whitstable Ltd | Arts & recreation | 2025 |
| Sebastian's Investments LLC | | 2024 |
| Sedgwick Properties (Dover) Ltd | Real estate | 2018 |
| Sek-Elec Electrical Services Ltd | Construction | 2021 |
| Seldjey 62 Invest Ltd | Extraterritorial | 2019 |
| Seldjey 62 Ltd | Extraterritorial | 2019 |
| Selectabase Holdings Ltd | Financial services | 2025 |
| Selectabase Limited | Administrative & support | 2004 |
| Selection Football Ltd | Professional & scientific | 2013 |
| Sellwood Estates Ltd | Real estate | 2017 |
| Sellwood Homes Ltd | Real estate | 2024 |
| Senna Whiteman Limited | Administrative & support | 2025 |
| Serendip Blossom Ltd | Hospitality | 2025 |
| Serpentkeys Ltd | Wholesale & retail | 2022 |
| Services Event Ltd | Professional & scientific | 2023 |
| Services Plus Invest Ltd | Extraterritorial | 2026 |
| Services Plus Ltd | Extraterritorial | 2026 |
| SET Two Construction Limited | Information & communication | 2024 |
| Settemp Air Conditioning Ltd | Construction | 2026 |
| SEU a New Opportunity Ltd | Extraterritorial | 2024 |
| SEU AB Motors Ltd | Wholesale & retail | 2015 |
| SEU ABC Invest Ltd | Extraterritorial | 2021 |
| SEU ABC Ltd | Extraterritorial | 2021 |
| SEU Abeke Invest Ltd | Extraterritorial | 2024 |
| SEU Abeke Ltd | Extraterritorial | 2024 |
| SEU Alibaba Invest Ltd | Professional & scientific | 2016 |
| SEU Alibaba Ltd | Extraterritorial | 2016 |
| SEU Alma Gestion Invest Ltd | Extraterritorial | 2019 |
| SEU Alma Gestion Ltd | Extraterritorial | 2019 |
| SEU AS Concept Invest Ltd | Extraterritorial | 2020 |
| SEU Astoria Ltd | Professional & scientific | 2025 |
| SEU Bati Expert Ltd | Professional & scientific | 2016 |
| SEU Bati Renov Invest Ltd | Professional & scientific | 2020 |
| SEU Bati Renov Ltd | Extraterritorial | 2020 |
| SEU Bgayeth Business Ltd | Extraterritorial | 2012 |
| SEU Bgayeth Internationale Ltd | Extraterritorial | 2012 |
| SEU BIO Nutrition Ltd | Extraterritorial | 2017 |
| SEU BK Group Invest Ltd | Extraterritorial | 2018 |
| SEU BK Group Ltd | Extraterritorial | 2018 |
| SEU BSC Ltd | Extraterritorial | 2025 |
| SEU Business & Admin Ltd | Extraterritorial | 2020 |
| SEU Business Office Invest Ltd | Extraterritorial | 2016 |
| SEU Business Office Ltd | Extraterritorial | 2016 |
| SEU Business TC Ltd | Extraterritorial | 2022 |
| SEU C.H.B.G Ltd | Extraterritorial | 2023 |
| SEU Carrelage Nizette Invest Ltd | Extraterritorial | 2011 |
| SEU Carrelage Nizette Ltd | Extraterritorial | 2011 |
| SEU Chill Ltd | Extraterritorial | 2025 |
| SEU Cindy Invest Ltd | Professional & scientific | 2025 |
| SEU Cindy Ltd | Extraterritorial | 2024 |
| SEU Connexion IT Invest Ltd | Extraterritorial | 2023 |
| SEU Consultance Office Invest Ltd | Extraterritorial | 2016 |
| SEU Consultance Office Ltd | Extraterritorial | 2016 |
| SEU Creative Music Group Ltd | Arts & recreation | 2015 |
| SEU CTA Concept Invest Ltd | Professional & scientific | 2018 |
| SEU Cultur Club Ltd | Extraterritorial | 2010 |
| SEU CUT Ltd | Extraterritorial | 2025 |
| SEU Damced Invest Ltd | Extraterritorial | 2023 |
| SEU Damced Ltd | Extraterritorial | 2023 |
| SEU Davidalia - Trans Invest Ltd | Extraterritorial | 2012 |
| SEU Davidalia - Trans Ltd | Extraterritorial | 2012 |
| SEU DIA Consult Ltd | Professional & scientific | 2024 |
| SEU DJ Project Ltd | Professional & scientific | 2024 |
| SEU EAM Ltd | Extraterritorial | 2025 |
| SEU Ecenec Ltd | Extraterritorial | 2009 |
| SEU Eco Project Ltd | Extraterritorial | 2022 |
| SEU Eco Renov Ltd | Extraterritorial | 2024 |
| SEU European Partners Ltd | Construction | 2019 |
| SEU FA Solutions Ltd | Extraterritorial | 2023 |
| SEU Fast Build Ltd | Professional & scientific | 2025 |
| SEU Flow in the Sky Ltd | Wholesale & retail | 2023 |
| SEU FLS Invest Ltd | Extraterritorial | 2019 |
| SEU FLS Ltd | Extraterritorial | 2019 |
| SEU Formasocom Ltd | Extraterritorial | 2009 |
| SEU Francisco Ltd | Extraterritorial | 2024 |
| SEU Free Water Invest Ltd | Hospitality | 2020 |
| SEU Free Water Ltd | Extraterritorial | 2020 |
| SEU FRK Invest Ltd | Wholesale & retail | 2020 |
| SEU FRK Ltd | Extraterritorial | 2020 |
| SEU FV Concept Invest Ltd | Extraterritorial | 2020 |
| SEU FV Concept Ltd | Extraterritorial | 2020 |