| Seat Secure Ltd | Wholesale & retail | 2023 |
| Seaton Barber Shop Ltd | Other services | 2023 |
| Seaton Kebab Shop Ltd | Hospitality | 2023 |
| Seatrek Hebrides Limited | Transport & logistics | 2015 |
| Seatrio Ltd | Professional & scientific | 2025 |
| Seaward Industrial Supplies Limited | Administrative & support | 2010 |
| Seaward Marine Engineering Company (Aberdeen) Limited | Transport & logistics | 1989 |
| Sebsea Engineering Limited | Manufacturing | 2015 |
| Second Home Studio + Cafe CIC | Hospitality | 2019 |
| Secreserve Limited | Professional & scientific | 2023 |
| Securastore ABC Limited | Professional & scientific | 2015 |
| Securastore Limited | Administrative & support | 2008 |
| Secure Income Renewable Energy and Storage LP | | 2022 |
| Secure Systems Aberdeen Ltd | Information & communication | 2004 |
| Seda Events Ltd | Hospitality | 2021 |
| SEE YOU Again Cafe (Aberdeen) Limited | Hospitality | 2026 |
| Seed Fund (Carry Partner) General Partner Limited | Financial services | 2007 |
| Seehearspeakup Limited | Information & communication | 2010 |
| Segotia Limited | Information & communication | 1997 |
| Sehuboy Limited | Real estate | 2018 |
| Seimtec Limited | Professional & scientific | 2006 |
| Seine Vallee Ltd | Manufacturing | 2019 |
| Seisimage Ltd | Professional & scientific | 2025 |
| Seistech UK Limited | Administrative & support | 2024 |
| Seivwright Plumbing & Heating Engineers Ltd | Construction | 2015 |
| Sekal Aberdeen Limited | Information & communication | 2012 |
| Selastam Limited | Real estate | 2009 |
| Selda Ltd | Transport & logistics | 2024 |
| Seleac Industries Limited | Other services | 2023 |
| Select Surveyors Limited | Administrative & support | 2012 |
| Seletar Shipping Limited | Administrative & support | 2008 |
| Selgovia Limited | Professional & scientific | 2004 |
| Selkie Solutions Ltd | Professional & scientific | 2010 |
| SELL4U Ltd | Wholesale & retail | 2022 |
| Sellontech Ltd | Information & communication | 2025 |
| Seloch Energy Ltd | Mining & quarrying | 2019 |
| SEM Consulting Limited | Information & communication | 2020 |
| Senator Subsea Limited | Professional & scientific | 2002 |
| Sence Aberdeen Ltd | Hospitality | 2023 |
| Sendde Energy Ltd. | Professional & scientific | 2014 |
| Sendrix Automation Ltd | Wholesale & retail | 2018 |
| Sengs Engineering Solutions Limited | Professional & scientific | 2012 |
| Seniority.Co.Uk Limited | Information & communication | 2000 |
| Senteal Limited | Professional & scientific | 1996 |
| Sentergy Ltd | Manufacturing | 2008 |
| Sentinel Crewing Limited | Administrative & support | 2013 |
| Sentinel Industrial Cybersecurity and Control Systems Limited | Professional & scientific | 2016 |
| Sentinel Marine Falkland Islands Limited | Transport & logistics | 2014 |
| Sentinel Marine Investments Limited | Professional & scientific | 2007 |
| Sentinel Offshore Holdings Limited | Professional & scientific | 2013 |
| Sentinel Offshore Vessels 2 Limited | Mining & quarrying | 2013 |
| Sentinel Offshore Vessels 54 Limited | Mining & quarrying | 2015 |
| Sentinel Offshore Vessels Limited | Mining & quarrying | 2013 |
| Sentosa Consultants Ltd | Administrative & support | 2019 |
| Seonaidh Subsea Limited | Administrative & support | 2021 |
| Seoul Cheung Ltd | Hospitality | 2026 |
| Separo Group Limited | Administrative & support | 2003 |
| Separo Limited | Administrative & support | 2003 |
| Sephine Eyecare Services Ltd | Wholesale & retail | 2023 |
| Sephton Park Fund I Carry L.P. | | 2007 |
| Sephton Park Fund I Subscription L.P. | | 2007 |
| Sepw Ltd | Hospitality | 2025 |
| Sequetrics Limited | Professional & scientific | 2019 |
| SER Property (Aberdeen) Limited | Real estate | 2017 |
| Serafim Ltd. | Mining & quarrying | 2000 |
| Seraph Group Limited | Wholesale & retail | 2024 |
| Serco Caledonian Sleepers Limited | Transport & logistics | 2014 |
| Serendib Restaurants Limited | Hospitality | 2025 |
| Serenidad Projects Limited | Information & communication | 2015 |
| Serenity Occupational Therapy Limited | Health & social care | 2024 |
| Serenity Studio 8 Ltd | Health & social care | 2024 |
| Serica Energy Chinook Limited | Mining & quarrying | 2007 |
| Serica Energy Norte Limited | Mining & quarrying | 2011 |
| Serra Consultancy Ltd | Information & communication | 2025 |
| Serumlabs Ltd | Information & communication | 2026 |
| Service Search Ltd | Information & communication | 2018 |
| Servtech Limited | Other services | 1985 |
| Servtech UK Limited | Professional & scientific | 2003 |
| Seshat 7 Limited | Professional & scientific | 2022 |
| Sets Group Limited | Extraterritorial | 2020 |
| Sets in Motion Limited | Construction | 2002 |
| Seve Property Ltd | Real estate | 2023 |
| Seven A'S Pantry Limited | Manufacturing | 2023 |
| Seven Star Grocers Ltd | Wholesale & retail | 2025 |
| Sevenoakhill Properties Limited | Real estate | 2023 |
| Several Smiths Ltd | Wholesale & retail | 2018 |
| Sevra Construction Ltd | Manufacturing | 2022 |
| Seymur Point LP | | 2013 |
| SFA Cleaning Ltd | Administrative & support | 2025 |
| SFF (UK) Ltd | Wholesale & retail | 2014 |
| SFF (UK) Property Ltd | Real estate | 2020 |
| Sflo Limited | Manufacturing | 2024 |
| SFM Propco Limited | Real estate | 2020 |
| SFP (Shetland Fish Products) Limited | Extraterritorial | 2018 |
| SFS (Aberdeen) Limited | Construction | 2014 |
| SFT Engineering and Management Services Ltd | Professional & scientific | 2017 |
| SG Cladding & Insulation Ltd | Construction | 2014 |
| SG TEK Limited | Manufacturing | 2025 |
| SGB Consultants Ltd | Information & communication | 2026 |
| SGL Audit Consulting Limited | Professional & scientific | 2013 |