| Quality ST Developments (Scotland) Ltd | Construction | 2023 |
| R H & Co Dundee Limited | Wholesale & retail | 2015 |
| R Smith Accountancy Limited | Professional & scientific | 2018 |
| R&A Coastal Catch Limited | Wholesale & retail | 2026 |
| R&R Plumbers Limited | Construction | 2020 |
| R. Norval Electrical Ltd. | Construction | 2002 |
| R. S. Cargill Limited | Hospitality | 2000 |
| Radio North Angus Limited | Information & communication | 2003 |
| Rallispeed Garage Ltd | Wholesale & retail | 2023 |
| Ramsay Farms Limited | Agriculture & fishing | 1955 |
| Randles' Education Services Ltd | Education | 2019 |
| RB Offshore Limited | Manufacturing | 2017 |
| Rebecca Rice RMN Solutions Ltd | Health & social care | 2025 |
| Red Collar Retreat Ltd | Other services | 2024 |
| Red Rock Music Collective Ltd | Arts & recreation | 2019 |
| Reekie Engineering Limited | Professional & scientific | 1945 |
| Reekie Manufacturing Ltd | Manufacturing | 2016 |
| Reekie Refrigeration Limited | Real estate | 1954 |
| Reekie Renewables Limited | Agriculture & fishing | 2004 |
| Reekie Steeltec Limited | Professional & scientific | 2001 |
| Reid Hydraulic Services Limited | Professional & scientific | 2002 |
| Retfarg Limited | Mining & quarrying | 2025 |
| Rfgelectrical Ltd | Construction | 2025 |
| RGS Architectural Design Consultants Limited | Professional & scientific | 2010 |
| RH Arbroath Limited | Hospitality | 2026 |
| Rhoney Team Ltd | Transport & logistics | 2026 |
| Rise and Revive Wellbeing Ltd | Other services | 2025 |
| Rmcd Electrical Services Ltd | Manufacturing | 2025 |
| Rmsr Consultancy Limited | Administrative & support | 2023 |
| Robbie's Garage | | 1990 |
| Robyn Your Time Back VA Ltd | Administrative & support | 2023 |
| Rockhopper Medical Limited | Health & social care | 2025 |
| Rockwell Marketing Ltd | Wholesale & retail | 2025 |
| Rockwell Solutions Ltd | Wholesale & retail | 2025 |
| Ross Marketing Solutions Limited | Wholesale & retail | 2018 |
| Routeflex Ltd | Wholesale & retail | 2024 |
| Rrdelectrical Ltd | Construction | 2014 |
| Rroc Tech Ltd | Professional & scientific | 2021 |
| RSM Maritime Ltd | Transport & logistics | 2023 |
| Rule Business Consultant Ltd | Professional & scientific | 2026 |
| RWS Offshore Limited | Professional & scientific | 2020 |
| Sacred Grounds Coffee Company Limited | Manufacturing | 2016 |
| Saein Accounting Limited | Hospitality | 2026 |
| Samana Foods Limited | Hospitality | 2026 |
| Saro Ltd | Wholesale & retail | 2024 |
| Sattar & Sons Limited | Real estate | 2005 |
| SBB Creative House Limited | Information & communication | 2025 |
| SCB Technical Services Limited | Professional & scientific | 2009 |
| SCM Engineering Services Limited | Professional & scientific | 2013 |
| Scorgie Construction Ltd | Construction | 2020 |
| Scot/Anglo & Co Ltd | Real estate | 2023 |
| Scotcoil Limited | Mining & quarrying | 2000 |
| Scotia Care Ltd | Health & social care | 2020 |
| Seashore Developments Ltd | Construction | 2024 |
| Seashore Group Ltd | Financial services | 2025 |
| Seashore House Ltd | Construction | 2025 |
| Seasonsand Newco Ltd | Real estate | 2018 |
| Seaton Joinery Limited | Manufacturing | 2007 |
| Seaward Limited | Administrative & support | 2015 |
| Shahrah Ltd | Hospitality | 2019 |
| Shane Bibby Training Services Limited | Mining & quarrying | 2010 |
| Shape Therapy Ltd | Energy | 2017 |
| Shape Wellbeing Property Ltd | Real estate | 2024 |
| Shawarma Grill Arbroath Limited | Hospitality | 2026 |
| Sheen and Clean Services Limited | Construction | 2024 |
| Shell Cairnie Road, Arbroath | | 2001 |
| Shenanigans (Scotland) Limited | Other services | 2003 |
| Shielbay Limited | Construction | 2000 |
| Shiny Kingdom Ltd | Wholesale & retail | 2025 |
| Shop Land 03 Ltd | Wholesale & retail | 2024 |
| Siiall Ltd. | Wholesale & retail | 2018 |
| Simply Mental Limited | Professional & scientific | 2021 |
| SIN YEO Limited | Hospitality | 2015 |
| Skahya Ltd | Transport & logistics | 2024 |
| Skin Religion Aesthetics Limited | Health & social care | 2020 |
| Sleepp Group Ltd | Wholesale & retail | 2020 |
| SLR Interior Design Limited | Administrative & support | 2017 |
| Smith Offshore Ltd | Professional & scientific | 2025 |
| Socialswithsiobhan Ltd | Professional & scientific | 2023 |
| Soluxe Aesthetics Ltd | Health & social care | 2022 |
| Spicehive Foods Limited | Hospitality | 2024 |
| Spink Tech Ltd | Information & communication | 2015 |
| Squadron Prints Limited | Professional & scientific | 1986 |
| Standtech Digital Solutions Ltd | Information & communication | 2025 |
| Star Arbroath Limited | Hospitality | 2010 |
| Starritt and Paterson Medical Limited | Health & social care | 2016 |
| Stase Limited | Wholesale & retail | 2026 |
| Station Bar Arbroath Ltd | Hospitality | 2023 |
| Steven Clark & Sons Agricultural Engineers Ltd | Manufacturing | 2024 |
| Stiles Media Ltd | Professional & scientific | 2019 |
| Still Tides Ltd | Health & social care | 2026 |
| Stirling Farms Limited | Agriculture & fishing | 2025 |
| Strachan Interventions Limited | Mining & quarrying | 2013 |
| Stubatron Ltd | Mining & quarrying | 2012 |
| STUDIO83 (Arbroath) Ltd | Wholesale & retail | 2025 |
| Subah Enterprises Limited | Hospitality | 2020 |
| Submission Smokies Ltd | Education | 2025 |
| Sunrise Property Services Limited | Hospitality | 1997 |
| Super Savers Direct Limited | Wholesale & retail | 2018 |
| Synthetic Orchestra Limited | Manufacturing | 2015 |