| SNA Leeds Ltd | Hospitality | 2013 |
| Snack's Shop Limited | Wholesale & retail | 2025 |
| Snacks Bar Limited | Hospitality | 2020 |
| Snagguru Limited | Construction | 2023 |
| Snagstreet Ltd | Wholesale & retail | 2026 |
| Snappy Payroll Ltd | Information & communication | 2025 |
| Snapshot Digital Media Limited | Professional & scientific | 2023 |
| Snaxi Limited | Other services | 2015 |
| Sncb Ltd | Wholesale & retail | 2025 |
| Sneakerstockpileuk Ltd | Wholesale & retail | 2025 |
| SNG Engineering Limited | Professional & scientific | 2022 |
| SNH Pharma Ltd | Health & social care | 2018 |
| SNK Batley Ltd | Wholesale & retail | 2020 |
| SNK9SECURITY Ltd | Administrative & support | 2026 |
| Snkwholesale Ltd | Wholesale & retail | 2026 |
| SNM Traders Ltd | Wholesale & retail | 2024 |
| Snoop | Health & social care | 2000 |
| Snoop Trading Limited | Health & social care | 2014 |
| Snoops Bar Ltd | Hospitality | 2024 |
| Snooty FOX (Oakworth) Limited | Hospitality | 2017 |
| Snooze and Style Ltd | Wholesale & retail | 2025 |
| Snooze Apartments Ltd | Hospitality | 2017 |
| Snowden Marketing Limited | Professional & scientific | 2022 |
| Snowden's Properties (Bradford) Limited | Real estate | 1959 |
| Snowdon Transport Services Ltd | Transport & logistics | 2023 |
| Snrcare Digital Ltd | Health & social care | 2023 |
| Snrs Attr Limited | Other services | 2019 |
| Snug Sleep Solutions Ltd | Manufacturing | 2025 |
| Snugroof Ltd | Construction | 2022 |
| Snuxt Limited | Wholesale & retail | 2024 |
| SNZ Technologies (UK) Ltd | Wholesale & retail | 2022 |
| SO (Bradford) Limited | Hospitality | 2023 |
| SO Content Marketing Limited | Professional & scientific | 2021 |
| SO Leeds Limited | Hospitality | 2025 |
| SO Northern Limited | Arts & recreation | 2020 |
| So-Tech Solutions (UK) Limited | Other services | 2018 |
| Soapy Shark Bradford Ltd | Other services | 2025 |
| Soaring Protection Ltd | Wholesale & retail | 2020 |
| Soaring Spirit Limited | Professional & scientific | 2018 |
| Soarzo Ltd | Information & communication | 2024 |
| Sobella Mill Brow Limited | Hospitality | 2023 |
| Sobia's Spice Ltd | Information & communication | 2026 |
| Soccer Publishing Ltd | Information & communication | 2014 |
| Social Instinct Limited | Information & communication | 2019 |
| Social Outreach Services CIC | Administrative & support | 2018 |
| Social Sprint Media Ltd | Professional & scientific | 2026 |
| Social Trade Inc Limited | Information & communication | 2021 |
| Social Work Associates Ltd | Health & social care | 2024 |
| Socialxpert Ltd | Professional & scientific | 2026 |
| Societate Comerciala Bancar Ltd | Financial services | 2019 |
| Sodi UK Limited | Wholesale & retail | 2014 |
| Sodikart UK Limited | Wholesale & retail | 2021 |
| Sofabed Barn Ltd | Manufacturing | 2022 |
| Sofia a Distributions Limited | Wholesale & retail | 2025 |
| Sofia Logistics and Transportation Services Ltd | Transport & logistics | 2019 |
| Sofia Rose Transport Limited | Transport & logistics | 2015 |
| Sofia's SY Ltd | Manufacturing | 2026 |
| Sofista Furniture Limited | Manufacturing | 2025 |
| Sofra UK Ltd | Wholesale & retail | 2026 |
| Soft & Comfy Ltd | Wholesale & retail | 2025 |
| Soft Drink UK Limited | Wholesale & retail | 2003 |
| Soft Wheelz Ltd | Wholesale & retail | 2025 |
| Softleyskin. Ltd | Other services | 2025 |
| Softplay TOYS4KIDS Ltd | Other services | 2016 |
| Softsolz Ltd | Information & communication | 2026 |
| Softstep Carpets & Lino Ltd | Wholesale & retail | 2024 |
| Sohaib Enterprices Ltd | Wholesale & retail | 2025 |
| Sohail Clothing Ltd | Wholesale & retail | 2026 |
| Sohail Mahmood Limited | Health & social care | 2008 |
| Sohail Shafqat Ltd | Wholesale & retail | 2025 |
| Sohava Properties Ltd | Real estate | 2023 |
| Sohrab G&A Ltd | Health & social care | 2015 |
| Soil Hill Quarries Limited | Mining & quarrying | 2015 |
| Soil Hill Restoration Limited | Mining & quarrying | 2023 |
| Solace Children’S Care Ltd | Health & social care | 2025 |
| Solace Solutions Limited | Households | 2023 |
| Solargem Limited | Energy | 2026 |
| Soldmyhaus Ltd | Real estate | 2023 |
| Sole Plaice Limited | Administrative & support | 2020 |
| Solea London Ltd | Wholesale & retail | 2026 |
| Solenis UK Industries Limited | Manufacturing | 2018 |
| Solex Properties Limited | Real estate | 1994 |
| Solftec Ltd. | Information & communication | 2014 |
| Solid Constructum Ltd | Construction | 2017 |
| Solid Electrical Installations Limited | Construction | 2024 |
| Solid Impact Community Hub CIC | Education | 2026 |
| Solid Impact Gym Ltd | Arts & recreation | 2025 |
| Solid Security (West Yorkshire) Ltd | Administrative & support | 2021 |
| Solidaritech C.I.C. | Administrative & support | 2017 |
| Solidfix Home Improvements Limited | Construction | 2025 |
| Solidlux Limited | Manufacturing | 2024 |
| Sollas Capital Ltd | Hospitality | 2026 |
| Sollers Financial Ltd | Professional & scientific | 2025 |
| Solum Housing Limited | Health & social care | 2025 |
| Solvia Tech Limited | Information & communication | 2026 |
| Somash Limited | Administrative & support | 2015 |
| Some Very New Limited | Information & communication | 2025 |
| Somerset Property Group U.K Ltd | Real estate | 2022 |
| Somerwood Developments Limited | Construction | 2004 |
| Somnicore Ltd | Manufacturing | 2025 |