| Subsea Analyst Ltd. | Professional & scientific | 2011 |
| Subsea Commercial Services Ltd | Other services | 2011 |
| Subsea Connect Solutions Ltd | Professional & scientific | 2020 |
| Subsea Corrosion Limited | Professional & scientific | 2019 |
| Subsea Engineered Solutions Limited | Professional & scientific | 2025 |
| Subsea ESP Limited | Professional & scientific | 2014 |
| Subsea Mechanical Solutions Limited | Administrative & support | 2015 |
| Subsea Pressure Controls Ltd | Mining & quarrying | 2019 |
| Subsea Production Systems Consultants Limited | Professional & scientific | 2018 |
| Subsea Specialists Ltd | Professional & scientific | 2025 |
| Subsea Supplies Limited | Wholesale & retail | 1999 |
| Subsea Technical Ltd | Professional & scientific | 2023 |
| Subsea Technologies Group Limited | Administrative & support | 2009 |
| Subsea Technology & Rentals Limited | Financial services | 2011 |
| Subsea Testing & Evaluation (UK) Ltd | Administrative & support | 2023 |
| Subsea Wellpartner (Contracting) Limited | Extraterritorial | 2013 |
| Subsea Wellpartner Limited | Professional & scientific | 2013 |
| Subseasteve Limited | Professional & scientific | 2023 |
| Subset Synthesis Limited | Professional & scientific | 2026 |
| Subsurface AI Innovations Limited | Professional & scientific | 2025 |
| Subtech Ltd | Professional & scientific | 2025 |
| Subterra Energy Consultants Ltd | Professional & scientific | 2013 |
| Subtron Group Limited | Administrative & support | 2022 |
| Subversive Employment Limited | Administrative & support | 2025 |
| Subworx Ltd | Construction | 2019 |
| Success of Nations and Governance CIC | Education | 2021 |
| Successful Abba Ltd | Wholesale & retail | 2025 |
| Succulento Limited | Manufacturing | 2014 |
| Sudelac Limited | Administrative & support | 2010 |
| Sudri Ltd | Construction | 2024 |
| Suds Enviro Limited | Professional & scientific | 2020 |
| Suds N Spray Ltd | Administrative & support | 2025 |
| Sugarbird Wines Ltd | Wholesale & retail | 2021 |
| Suisse LP | | 2013 |
| Suite Apartments Aberdeen Ltd | Hospitality | 2017 |
| Sukan Pace Ltd | Transport & logistics | 2024 |
| Suky Management Services Limited | Professional & scientific | 2014 |
| Sula Consulting Ltd | Professional & scientific | 2023 |
| Sulmara Subsea International Limited | Administrative & support | 2018 |
| Sulmara Subsea Limited | Administrative & support | 2018 |
| Sulmara Subsea Mozambique Limited | Administrative & support | 2019 |
| Sulrenew Global Services Ltd | Administrative & support | 2025 |
| Suma Ltd | Hospitality | 2022 |
| Sumguy Limited | Professional & scientific | 2021 |
| Sumithra Hewage Limited | Health & social care | 2008 |
| Summer Ceylon Ltd | Wholesale & retail | 2025 |
| Summer Isles Foods (1993) Limited | Manufacturing | 1993 |
| Summerhill Home (Aberdeen) Limited | Health & social care | 2023 |
| Summerhill Pharmacy Limited | Wholesale & retail | 1994 |
| Sumy Healthcare Limited | Education | 2019 |
| Sundancer Limited | Other services | 2010 |
| Sundar Beauty Ltd | Other services | 2023 |
| Sunnmore Ltd | Real estate | 2024 |
| Sunny Chen Ltd | Real estate | 2025 |
| Sunnybank Stores Limited | Wholesale & retail | 2026 |
| Sunnys 365 Ltd | Wholesale & retail | 2023 |
| Sunnyside Aberdeen Ltd | Real estate | 2024 |
| Suomalaisset OY LP | | 2013 |
| Suomen Takaisin LP | | 2014 |
| Suomen Tasavalta LP | | 2013 |
| Suomi Valtaan LP | | 2014 |
| Superior Cleaning Ltd. | Administrative & support | 2002 |
| Superior Energy Services (UK) Limited | Administrative & support | 2009 |
| Superior Energy Services Limited | Mining & quarrying | 2003 |
| Superior Energy Solutions Ltd | Administrative & support | 2026 |
| Superior Sewing Interiors Limited | Manufacturing | 2025 |
| Superior Sewing Limited | Other services | 2010 |
| Superior-Wild Well Energy Services Limited | Mining & quarrying | 2009 |
| Supersupreme Limited | Hospitality | 2006 |
| Sureclean Group Limited | Administrative & support | 1998 |
| Sureclean Middle East Limited | Financial services | 2025 |
| Sureclean Planet Limited | Administrative & support | 2025 |
| Surepoint Access Ltd | Manufacturing | 2025 |
| Suretec Systems Limited | Information & communication | 2003 |
| Surf Contractors Ltd | Mining & quarrying | 2016 |
| Surface Pro Recruitment Limited | Administrative & support | 2026 |
| Surface Technology (Aberdeen) Limited | Manufacturing | 2002 |
| Surgewave Systems Ltd | Information & communication | 2026 |
| Surgiskills Ltd | Wholesale & retail | 2019 |
| Sursum Consulting Limited | Public administration | 2009 |
| Survey 3D International Limited | Professional & scientific | 2018 |
| Survitec Survival Craft Ltd | Manufacturing | 1991 |
| Survitec Viscom Ltd | Information & communication | 1992 |
| Survivex Group Limited | Education | 2014 |
| Survivex Ltd | Education | 2009 |
| Survivex TMS Limited | Professional & scientific | 2003 |
| Susi Adams Clinic Limited | Health & social care | 2012 |
| Susi Eelpower Fordtown Limited | Energy | 2018 |
| Suss-Synced Solutions Limited | Professional & scientific | 2023 |
| Sustainable Energy Group Limited | Professional & scientific | 2025 |
| Sustainable Pipeline Systems Limited | Professional & scientific | 2010 |
| Sustainable Retail Ltd | Professional & scientific | 2021 |
| Sustainquant Ltd | Professional & scientific | 2026 |
| Sustyle Limited | Wholesale & retail | 2023 |
| Susu Chophouse Limited | Hospitality | 2023 |
| Sutherland Supplies Ltd | Wholesale & retail | 2025 |
| SV Archived Ltd | Health & social care | 2017 |
| Sveb Ltd | Financial services | 2025 |
| Svenska Erholm LP | | 2014 |
| Svenska Formell LP | | 2013 |