| Sapna Express Ltd | Wholesale & retail | 2014 |
| Sapphire Property Ventures Limited | Real estate | 2024 |
| Sapphire Public Accounting Services Ltd | Professional & scientific | 2023 |
| Sapra Hospitality Catering Limited | Hospitality | 2012 |
| Sapra Property Letting and Management Ltd | Real estate | 2021 |
| Sara Sidhu Ltd | Administrative & support | 2015 |
| Sarab Enterprises Private Ltd | Hospitality | 2020 |
| Sarab K Ltd | Transport & logistics | 2025 |
| Sarabjit Singh 1 Limited | Construction | 2025 |
| Sarb Finance Limited | Financial services | 2009 |
| Sarb Properties Ltd | Real estate | 2019 |
| Sarb Ventures Ltd | Real estate | 2022 |
| Sarbjeet Mobil Mechanic Ltd | Construction | 2025 |
| Sarbloah Media & Design Limited | Information & communication | 2026 |
| Sardaarji Meatwala Ltd | Wholesale & retail | 2025 |
| Sardar & Sons (UK) Co. Limited | Wholesale & retail | 2001 |
| Sarkar Ltd | Manufacturing | 2017 |
| Sarna Property Group Ltd | Construction | 2025 |
| Sarna Real Estate Investments Ltd | Real estate | 2020 |
| Saroj Therapy Ltd | Other services | 2023 |
| Saroya a 2 Z Builders Ltd | Construction | 2026 |
| Saroye Pharma Limited | Wholesale & retail | 2024 |
| Sarvloh PVT Ltd | Construction | 2025 |
| Sarwara Trucking Ltd | Construction | 2022 |
| Saryal Construction Ltd | Construction | 2024 |
| Sashvit&Giana Limited | Wholesale & retail | 2025 |
| SAT Estate Limited | Real estate | 2026 |
| Satata Builders Limited | Construction | 2024 |
| Satgur Commercial Investments Ltd | Real estate | 2016 |
| Satgur Investment Limited | Real estate | 2014 |
| SATGURU1313 Transport Ltd | Transport & logistics | 2025 |
| Sathakshi Ltd | Wholesale & retail | 2025 |
| Sathyam Global Limited | Manufacturing | 2026 |
| Satisfy Powder Coating Ltd | Wholesale & retail | 2024 |
| Satkar Estate Agents Limited | Real estate | 2022 |
| Satnam Accountants Ltd | Professional & scientific | 2016 |
| Satnam Construction Limited | Construction | 2022 |
| Satnam Enterprise UK Ltd | Wholesale & retail | 2013 |
| Satnam Legal AI Limited Limited | Information & communication | 2025 |
| Satnam SINGH2 Ltd | Construction | 2020 |
| Satnam Traders Ltd | Wholesale & retail | 2023 |
| Satnam.D Investments Ltd | Real estate | 2018 |
| Sattva Events Limited | Arts & recreation | 2025 |
| Saturn Enterprises Limited | Real estate | 2023 |
| Saturn Foods Limited | Wholesale & retail | 2022 |
| Saturn IT Consultancy UK Limited | Information & communication | 2019 |
| Savacom Limited | Professional & scientific | 2008 |
| Savanna Vitality Ltd | Wholesale & retail | 2024 |
| Saveocity Limited | Professional & scientific | 2020 |
| Savera Investments Ltd | Real estate | 2019 |
| Savers Way Ltd | Wholesale & retail | 2026 |
| Savi Rentals Ltd | Real estate | 2024 |
| Savile London Ltd | Wholesale & retail | 2025 |
| Savita B Ltd | Professional & scientific | 2013 |
| Savoo Care Limited | Manufacturing | 2018 |
| Saxon Developments Limited | Construction | 2020 |
| SAY Salaam Clothing Limited | Wholesale & retail | 2026 |
| Saya Building Services Consultants Ltd | Professional & scientific | 2024 |
| Sazgar Limited | Wholesale & retail | 2025 |
| Sazler Ltd | Construction | 2025 |
| Sazoro Limited | Wholesale & retail | 2026 |
| SB Builder Services UK Ltd | Construction | 2018 |
| SB Construct Ltd | Construction | 2018 |
| SB Contractors London Ltd | Construction | 2026 |
| SB Estates & Properties Ltd | Real estate | 2026 |
| SB Superstores Ltd | Wholesale & retail | 2025 |
| SBS Investments Ltd | Real estate | 2019 |
| SC Willows Ltd | Real estate | 2021 |
| Scarf London Limited | Wholesale & retail | 2015 |
| Scarlet Ibis Investments Ltd | Real estate | 2024 |
| SCF (Western) Property Management Limited | Households | 2021 |
| SCF Western International LLP | | 2004 |
| SCJ Elite Limited | Transport & logistics | 2016 |
| Scka Ltd | Real estate | 2023 |
| Scms Services Ltd | Administrative & support | 2025 |
| Scooter Express Ltd | Administrative & support | 2023 |
| Scope Solutions Systems Ltd | Construction | 2024 |
| Scratch Records Ltd | Information & communication | 2024 |
| Scrub UP Ltd | Administrative & support | 2026 |
| Scrubx Ltd | Health & social care | 2023 |
| SCS - Secure Control Security Ltd | Administrative & support | 2021 |
| SD Properties Services Limited | Real estate | 2013 |
| SD Sachdeva Investments Ltd | Real estate | 2026 |
| SDM Properties (Slough) Ltd | Construction | 2019 |
| Sdnl Construction & Property Limited | Construction | 2013 |
| Seacol UK Ltd | Wholesale & retail | 2020 |
| SEB Builders Limited | Construction | 2019 |
| Sebastialin Ltd | Wholesale & retail | 2017 |
| Second Life Tech Ltd | Wholesale & retail | 2026 |
| Secure Immediately Limited | Administrative & support | 2025 |
| Secure Property Commercial Limited | Financial services | 2016 |
| Secured EYE Services Ltd | Construction | 2024 |
| Seerat Ltd | Transport & logistics | 2019 |
| Sehaj Pandher Ltd | Transport & logistics | 2022 |
| Sehaj Transport Ltd | Transport & logistics | 2024 |
| Sehar Training Limited | Information & communication | 2010 |
| Sehej Tech Solutions Limited | Information & communication | 2025 |
| Sekawesa Ltd | Professional & scientific | 2018 |
| Sekhon Double Glazing Ltd | Construction | 2024 |
| Select 'N' Save Ltd | Wholesale & retail | 2020 |