| Solar Tree Limited | Manufacturing | 2024 |
| Solar-Tech Design Ltd | Professional & scientific | 2024 |
| Solaria Energy Ltd | Energy | 2023 |
| Solbas Properties Ltd | Real estate | 2020 |
| Soloman Associates Limited | Administrative & support | 1999 |
| Sonic Accountants Limited | Professional & scientific | 2025 |
| SOURCE2K Ltd | Information & communication | 2012 |
| Spectrum Strategic Solutions Ltd | Professional & scientific | 2018 |
| Spenderoo Limited | Other services | 2019 |
| Spillsbury Ltd | Other services | 2021 |
| Spindrift Promotions Limited | Arts & recreation | 2023 |
| Spiros Intl Limited | Wholesale & retail | 2024 |
| Spraggon’S International Scenery Ltd | Manufacturing | 2022 |
| Srindu Soft Ltd | Information & communication | 2006 |
| Stage TEN Enterprises Ltd | Information & communication | 2010 |
| Stratiq Consulting Ltd | Other services | 2024 |
| Studio Cottray Ltd | Professional & scientific | 2023 |
| Superior Stone Solutions UK Ltd | Manufacturing | 2016 |
| Surrey Middlesex Properties Ltd | Real estate | 2023 |
| Sushi Special Ltd | Hospitality | 2024 |
| Syon Accounting Ltd | Professional & scientific | 2019 |
| Syon Accounting Services Ltd | Professional & scientific | 2019 |
| Syon Associates Ltd | Professional & scientific | 2019 |
| Talus Technology (UK) Limited | Professional & scientific | 2024 |
| Target Site Services 2003 Holdings Limited | Administrative & support | 2002 |
| Target Site Services Limited | Construction | 1991 |
| Tastel Fine Food UK Limited | Hospitality | 2025 |
| TCC 2018 Ltd | Hospitality | 2023 |
| Tech and Beyond Ltd | Wholesale & retail | 2023 |
| Technical Accounting Advisory Ltd | Professional & scientific | 2023 |
| Teethteethteeth Ltd | Health & social care | 2024 |
| THE Elizabeth Voaden Foundation | Professional & scientific | 2015 |
| THE Idea Bank (Marketing & Creative Solutions) Limited | Professional & scientific | 1998 |
| THE Realist OG Ltd | Administrative & support | 2025 |
| Think! Tennis Limited | Arts & recreation | 2009 |
| Three Stars Estate Ltd | Real estate | 2024 |
| Tool ARK Ltd | Other services | 2026 |
| Top Motor Group Ltd | Wholesale & retail | 2023 |
| Traditional Shepherd Huts Ltd | Manufacturing | 2022 |
| UK Render Suppliers Ltd | Wholesale & retail | 2025 |
| Unity Smile Arts Ltd | Health & social care | 2024 |
| Unlimited Fitness Limited | Arts & recreation | 2023 |
| Urban HWK Properties Ltd | Real estate | 2023 |
| Urban SK Property Developments Ltd | Construction | 2023 |
| Urban SW1 Properties Ltd | Real estate | 2023 |
| Urban SW15 Properties Ltd | Real estate | 2023 |
| Urban SW18 Properties Ltd | Construction | 2023 |
| Urban WGC Properties Ltd | Real estate | 2023 |
| Value Kynetics Ltd | Professional & scientific | 2026 |
| Van Elkan Hair Treatments Limited | Manufacturing | 2023 |
| Vantage Property Services Limited | Real estate | 2026 |
| Vibralogix Limited | Information & communication | 2009 |
| VIP Kids Nursery Ltd | Education | 2024 |
| Waseeya Holdings Limited | Other services | 2021 |
| Waseeya Technology Limited | Information & communication | 2021 |
| Waseeya UK Ltd | Professional & scientific | 2022 |
| Weathersure Roofing and Building Ltd | Construction | 2020 |
| Westgate 1852 Ltd | Hospitality | 2023 |
| WGH 1852 Ltd | Hospitality | 2023 |
| What HO Consulting Limited | Professional & scientific | 2020 |
| White Light NFT Limited | Other services | 2022 |
| Wolf & Rose Ltd. | Professional & scientific | 2015 |
| World Photo Arts LLP | | 2016 |
| Wutian Gear Ltd | Wholesale & retail | 2023 |
| XYZ Distribution International Ltd. | Information & communication | 2021 |
| Yahya Cars PTY Ltd | Wholesale & retail | 2023 |
| Zacks Motor Company Limited | Wholesale & retail | 2015 |
| ZSF Limited | Professional & scientific | 2024 |
| ZSK Digital Canvas Limited | Information & communication | 2026 |