| SSK Direct Ltd | Hospitality | 2023 |
| Ssop | Professional & scientific | 2012 |
| Stampedby Ltd | Information & communication | 2025 |
| Stan Adrian Haulage Ltd | Transport & logistics | 2016 |
| Stan.A Transport Ltd | Transport & logistics | 2025 |
| Stanvor Developments Limited | Construction | 2020 |
| Stay Cool Transport Ltd | Transport & logistics | 2023 |
| STB Transport Ltd | Transport & logistics | 2026 |
| Steak Media Ltd | Information & communication | 2024 |
| Steedman Ramage Legal Services Ltd | Professional & scientific | 2020 |
| Stellar Joinery Ltd | Manufacturing | 2025 |
| Stellar Joinery Services Ltd | Manufacturing | 2020 |
| Step in Fantacy Ltd | Wholesale & retail | 2025 |
| STEP2OWN Ltd | Real estate | 2024 |
| Steph Nicol Photo Ltd | Professional & scientific | 2026 |
| Sterrick Services Ltd | Administrative & support | 2019 |
| Steve Walker Bodyshop Ltd. | Wholesale & retail | 2004 |
| Steven Fyffe Window Cleaning Services Ltd | Administrative & support | 2022 |
| Stevie Clark Construction (Scotland) Limited | Construction | 2019 |
| Stewart Melrose (Bathgate) Limited | Real estate | 1972 |
| Stewpins Limited | Wholesale & retail | 2021 |
| STG Motors Limited | Wholesale & retail | 2025 |
| Stone Inspired Limited | Construction | 2006 |
| Storage Products Installations Ltd | Construction | 2024 |
| Storage Scot Ltd | Real estate | 2025 |
| Stove Glow Limited | Other services | 2014 |
| Strathcairn Advisory Ltd | Professional & scientific | 2026 |
| Strathclyde Campervans Ltd | Wholesale & retail | 2024 |
| Strawb Systems Limited | Information & communication | 1997 |
| Strong Futures Scotland Ltd | Health & social care | 2026 |
| Stuart Communications Limited | Information & communication | 2024 |
| Sturgeon Robotics Limited | Manufacturing | 2021 |
| Stu’S Paint Shop Ltd | Construction | 2023 |
| Submar Limited | Mining & quarrying | 2006 |
| Suncharge Limited | Construction | 2025 |
| Sunglow Sound Limited | Information & communication | 2014 |
| Superior Services Group Limited | Administrative & support | 2023 |
| Sureserve Energy Services UK Limited | Other services | 2010 |
| Surface Protection Systems (UK) Limited | Arts & recreation | 1990 |
| Swanconnell Ltd | Hospitality | 2014 |
| Sweet Way to Heaven Limited | Wholesale & retail | 2026 |
| Swift Healthcare Ltd | Health & social care | 2025 |
| Swim’N’Learn Ltd | Education | 2024 |
| SWP (WL) Limited | Real estate | 2017 |
| SWR Prestige Autos Ltd | Wholesale & retail | 2025 |
| Sybear Consultants Ltd | Professional & scientific | 2022 |
| Synerjy Trade Frames Ltd | Construction | 2015 |
| Synerjy Windows Ltd | Construction | 2015 |
| T R Grocery Limited | Wholesale & retail | 2026 |
| T38400M Ltd | Real estate | 2024 |
| TAB Foods Ltd | Wholesale & retail | 2025 |
| Tactical Development Ltd | Information & communication | 2012 |
| Tail Blazing Adventures Limited | Other services | 2025 |
| Tailored to YOU Travel Limited | Administrative & support | 2022 |
| TAJ Bathgate Ltd | Wholesale & retail | 2019 |
| Take TEN Percent Ltd | Health & social care | 2026 |
| Talent Scout Recruiting Ltd | Administrative & support | 2024 |
| Tartan Viking Ltd | Administrative & support | 2020 |
| Tastyfresh Kitchen Limited | Hospitality | 2024 |
| Taxi Edin Ltd | Transport & logistics | 2020 |
| Teamon Construction Ltd | Construction | 2022 |
| Techtherapist Ltd | Information & communication | 2024 |
| TEE OFF Tours Limited | Administrative & support | 2017 |
| Tenant Property Surveys Limited | Professional & scientific | 2004 |
| Tfms Property Services Limited | Real estate | 2026 |
| Thainstone House Hotel Limited | Hospitality | 1991 |
| THE Aesthetics Studio (TAS) Ltd | Other services | 2025 |
| THE Barcode Consultancy Ltd. | Wholesale & retail | 2013 |
| THE Bead Store Ltd | Wholesale & retail | 2014 |
| THE Best Fare Taxi Ltd | Transport & logistics | 2014 |
| THE Boghall Drop in Centre | Professional & scientific | 2008 |
| THE Bouncy Castle MAN Ltd | Arts & recreation | 2018 |
| THE Cheery Churro Ltd | Hospitality | 2020 |
| THE Chemeng Student Ltd | Education | 2022 |
| THE Clarus Networks Group Limited | Financial services | 2024 |
| THE Corrie Bar & Stocktaking Services Ltd | Hospitality | 2015 |
| THE Country Cafe Ltd | Hospitality | 2024 |
| THE DRY Clean Team Limited | Other services | 2013 |
| THE Energy Company Scotland Limited | Construction | 2021 |
| THE Energy Landscape Ltd | Professional & scientific | 2023 |
| THE Flagstick/Dmw Catering Ltd | Hospitality | 2026 |
| THE Garage (Whitburn) Limited | Wholesale & retail | 2010 |
| THE Glam Lounge Stoneyburn Ltd | Households | 2025 |
| THE Glow LAB Bathgate Ltd | Manufacturing | 2026 |
| THE Good GUT Company Ltd | Wholesale & retail | 2017 |
| THE Hive Soft Play Ltd | Hospitality | 2011 |
| THE Hub (Bathgate) Ltd | Real estate | 2015 |
| THE Hungry FOX 4U Ltd | Manufacturing | 2026 |
| THE Kelsey Edit Ltd | Professional & scientific | 2025 |
| THE Kilt Studio Limited | Wholesale & retail | 2024 |
| THE Little Gimlet Ltd | Hospitality | 2024 |
| THE Luxe Security Ltd | Administrative & support | 2025 |
| THE Mac-Corns Can-Do Crew Foundation | Health & social care | 2024 |
| THE Outerwear Store Ltd | Manufacturing | 2025 |
| THE PDR GUY Limited | Wholesale & retail | 2026 |
| THE Platinum Clinic Ltd | Public administration | 2023 |
| THE Powder Company Limited | Arts & recreation | 2022 |
| THE Replacement Door Co (Scotland) Ltd. | Manufacturing | 1997 |
| THE RSP Project CIC | Health & social care | 2025 |
| THE Scent Foundry Ltd | Manufacturing | 2025 |