| Skilled BEE Ltd | Construction | 2024 |
| Skilled Care Ltd | Administrative & support | 2022 |
| Skills and Education Ltd | Education | 2014 |
| Skills Cert London Limited | Education | 2021 |
| Skills UP Accountancy Training Ltd | Education | 2023 |
| Skin Clinique London Limited | Other services | 2021 |
| Skin Revival & Aesthetics Ltd | Other services | 2023 |
| Skin Science and Health Limited | Health & social care | 2018 |
| Skincare Avenue Ltd | Other services | 2023 |
| Skinhaus Pharma Ltd | Other services | 2026 |
| Skinner Upholstery Ltd | Other services | 2021 |
| Skinoderm Limited | Other services | 2021 |
| Skinova Aesthetic Software Ltd | Wholesale & retail | 2025 |
| Skinova Aesthetics Ltd | Wholesale & retail | 2024 |
| Skinova Training Academy Ltd | Education | 2025 |
| Skintel Ltd | Information & communication | 2025 |
| Skinvera Clinic Ltd | Hospitality | 2022 |
| SKJ Foods Limited | Hospitality | 2016 |
| SKK Engineering Ltd | Professional & scientific | 2016 |
| SKK Maintenance Ltd | Construction | 2022 |
| SKK9 Limited | Administrative & support | 2025 |
| Skkin Aesthetics Limited | Health & social care | 2024 |
| SKM Trading Limited | Wholesale & retail | 2016 |
| SKN Brickwork UK Ltd | Construction | 2025 |
| SKN Care Ltd | Wholesale & retail | 2019 |
| SKN Utilities Ltd | Construction | 2023 |
| Skolars Ltd | Professional & scientific | 2020 |
| Skoopzy Limited | Wholesale & retail | 2025 |
| Skorpene Limited | Information & communication | 2011 |
| Skorpius Auto Limited | Manufacturing | 2007 |
| SKP Living Ltd | Real estate | 2026 |
| SKP Residential Ltd | Real estate | 2022 |
| SKP Technology Ltd | Administrative & support | 2017 |
| SKR Europe Ltd | Wholesale & retail | 2023 |
| SKR Health Care Limited | Health & social care | 2014 |
| SKR Real Assets Ltd | Financial services | 2026 |
| Skrakai Limited | Information & communication | 2026 |
| SKS Builders Construction Ltd | Construction | 2024 |
| SKS Building Services Limited | Construction | 2024 |
| SKS Property Company Ltd | Real estate | 2017 |
| SKT Souq Ltd | Wholesale & retail | 2024 |
| SKU Consultancy Ltd | Professional & scientific | 2024 |
| SKW Property Investment Limited | Real estate | 2021 |
| Sky Solicitors Ltd | Professional & scientific | 2011 |
| Sky a Travels Ltd | Administrative & support | 2014 |
| Sky Blue Land 2 Limited | Real estate | 2025 |
| Sky Blue Land 3 Limited | Real estate | 2025 |
| Sky Blue Land Limited | Real estate | 2025 |
| Sky Bridge Assets Ltd | Real estate | 2026 |
| Sky Business Advisers Ltd | Administrative & support | 2014 |
| Sky Clippers Ltd | Other services | 2020 |
| Sky Coffee Lounge Ltd | Hospitality | 2022 |
| Sky Desserts Ltd | Hospitality | 2025 |
| Sky Driving School Ltd | Other services | 2005 |
| Sky Hospitality Limited | Hospitality | 2016 |
| Sky LUX Group Ltd | Wholesale & retail | 2025 |
| Sky Nepal Ltd | Transport & logistics | 2025 |
| Sky Property Group Ltd | Construction | 2017 |
| Sky Removals Services Ltd | Water & waste | 2022 |
| Sky Shipping Line Ltd | Wholesale & retail | 2023 |
| Sky Shopfitters Ltd | Construction | 2016 |
| Sky Software Solutions Ltd | Information & communication | 2020 |
| Sky Soni Ltd | Real estate | 2022 |
| Sky Star Estates Ltd | Real estate | 2020 |
| Sky Star Plumbing Limited | Wholesale & retail | 2016 |
| Sky Thynk Limited | Construction | 2024 |
| Sky Travel POD Ltd | Administrative & support | 2026 |
| Sky-Pro 2020 Limited | Information & communication | 1996 |
| Skyblue Education Ltd | Professional & scientific | 2020 |
| Skydeck Learning Ltd | Wholesale & retail | 2022 |
| Skydigital Drive Ltd | Wholesale & retail | 2023 |
| Skyewood Services Ltd | Professional & scientific | 2021 |
| Skyflights Ltd | Real estate | 2023 |
| Skyfly Travels Limited | Administrative & support | 2014 |
| Skyforge Construction Ltd | Construction | 2025 |
| Skygate PVT Limited | Education | 2025 |
| Skygrove Estates Ltd | Real estate | 2025 |
| Skyhigh Developers Ltd | Real estate | 2022 |
| Skyhigh Properties Limited | Real estate | 2004 |
| Skylane Education Ltd | Education | 2025 |
| Skylark Associates Limited | Wholesale & retail | 2020 |
| Skylet Andrew Limited | Administrative & support | 2001 |
| Skylight Business Services Ltd | Administrative & support | 2022 |
| Skylight Double Glazing Limited | Construction | 2004 |
| Skylight Glazing Ltd | Construction | 2018 |
| Skylight Properties (One) Ltd | Real estate | 2022 |
| Skyline Building & Management Ltd | Other services | 2020 |
| Skyline Building & Property Management Limited | Construction | 2017 |
| Skyline Business Group Limited | Hospitality | 2024 |
| Skyline DRY Cleaners Ltd | Other services | 2025 |
| Skyline E-Mart Ltd | Wholesale & retail | 2025 |
| Skyline Global Engineering Limited | Construction | 2026 |
| Skyline Land Limited | Construction | 2018 |
| Skyline Motors and Workshop Ltd | Wholesale & retail | 2025 |
| Skyline Property Services Group Limited | Administrative & support | 2025 |
| Skyline Renovations Ltd | Construction | 2024 |
| Skyline Security Services Ltd | Administrative & support | 2025 |
| Skyline Tours Ltd | Administrative & support | 2024 |
| Skyline Transport and Logistics Ltd | Transport & logistics | 2026 |
| Skyline UK Logistics Limited | Transport & logistics | 2014 |