| Taylor Property Letting Ltd | Real estate | 2020 |
| Taylora Inter L.P. | | 2015 |
| Taylors Coastal Inn Ltd | Other services | 2016 |
| Taymach Welding Services Ltd. | Manufacturing | 2000 |
| Taymed Pipeline Services Ltd | Construction | 2025 |
| Taymix Concrete Limited | Construction | 2025 |
| Tayock Park Homes Limited | Hospitality | 2003 |
| Taypark Hotel Ltd | Hospitality | 2026 |
| Taypark Limited | Hospitality | 2013 |
| Tayport Fabrication Limited | Construction | 2026 |
| Tayport Tattoo Collective Limited | Other services | 2018 |
| Taypride Ltd. | Construction | 2008 |
| Taypro Ltd | Mining & quarrying | 2020 |
| Tayprov Properties Ltd | Real estate | 2026 |
| Tayquest Limited | Construction | 2000 |
| Tayride Motorcycle Training Ltd | Wholesale & retail | 2026 |
| Tayridge Limited | Construction | 2000 |
| Taysat Dundee Ltd | Construction | 2025 |
| Tayscott Motors Ltd | Wholesale & retail | 2025 |
| Tayshine Cleanup Limited | Administrative & support | 2025 |
| Tayside Aerial Services Ltd | Construction | 2002 |
| Tayside Asset Managers Limited | Financial services | 2019 |
| Tayside Assets Management Ltd | Administrative & support | 2024 |
| Tayside Auto.S Limited | Wholesale & retail | 2019 |
| Tayside Automatic Doors Limited | Construction | 2004 |
| Tayside Automotive Limited | Wholesale & retail | 2026 |
| Tayside Block Management Ltd | Construction | 2024 |
| Tayside Cabs (339) Ltd | Transport & logistics | 2017 |
| Tayside Cabs Ltd | Transport & logistics | 2025 |
| Tayside Cleaning Limited | Administrative & support | 2013 |
| Tayside Cleaning Services Limited | Administrative & support | 2013 |
| Tayside Cleaning Solutions Ltd | Administrative & support | 2018 |
| Tayside Complete Health Limited | Health & social care | 2018 |
| Tayside Complete Property Maintenance Ltd | Construction | 2024 |
| Tayside Council on Alcohol (the) | Health & social care | 1986 |
| Tayside Decorators (Dundee) Limited | Construction | 1978 |
| Tayside Diesel Engineering Limited | Manufacturing | 1992 |
| Tayside Drilling Services Ltd | Mining & quarrying | 2020 |
| Tayside Dundee Ltd | Households | 2023 |
| Tayside Eco Deep Cleaners Limited | Administrative & support | 2024 |
| Tayside Electrical Services Ltd | Construction | 2024 |
| Tayside Engineering & Construction Supplies Ltd. | Wholesale & retail | 2009 |
| Tayside Forestry Firewood Limited | Agriculture & fishing | 2025 |
| Tayside Forestry Holding Limited | Financial services | 2025 |
| Tayside Forestry Limited | Agriculture & fishing | 2009 |
| Tayside Furniture Re-Use Network | Other services | 2017 |
| Tayside Garage Doors Limited | Construction | 2004 |
| Tayside Garden Services Ltd | Administrative & support | 2021 |
| Tayside GAS Limited | Wholesale & retail | 2025 |
| Tayside GAS Services Ltd | Construction | 2021 |
| Tayside Healthcare Arts Trust | Health & social care | 2006 |
| Tayside Holdings Limited | Professional & scientific | 2005 |
| Tayside Home Improvements Ltd | Wholesale & retail | 2026 |
| Tayside Home Repair Group Ltd | Construction | 2025 |
| Tayside Industrial Doors Limited | Construction | 2016 |
| Tayside Inventory Management Services Ltd | Professional & scientific | 2021 |
| Tayside Investments Ltd. | Financial services | 2009 |
| Tayside Ironmongery Limited | Wholesale & retail | 2005 |
| Tayside Jewellers Limited | Administrative & support | 2023 |
| Tayside Landscaping & Groundworks Ltd | Administrative & support | 2025 |
| Tayside Laser Clinic Limited | Health & social care | 2006 |
| Tayside Local Medical Committee Limited | Other services | 2012 |
| Tayside Longhorns American Football Club | Education | 2023 |
| Tayside Motors Limited | Wholesale & retail | 2021 |
| Tayside Offshore Consultants Ltd | Professional & scientific | 2014 |
| Tayside OIL and GAS Ltd | Households | 2025 |
| Tayside Phoenix Limited | Construction | 2021 |
| Tayside Plastering and Slating Services Limited | Construction | 2012 |
| Tayside Plumbers Ltd | Construction | 2023 |
| Tayside Powder Coating Services Limited | Manufacturing | 2016 |
| Tayside Properties & Investments Ltd | Real estate | 2021 |
| Tayside Properties Ltd | Real estate | 2015 |
| Tayside Property Co Ltd | Real estate | 2025 |
| Tayside Property Maintenance & Factoring Ltd | Real estate | 2020 |
| Tayside Removals Ltd | Transport & logistics | 2016 |
| Tayside Resin Driveways Ltd | Construction | 2025 |
| Tayside Rope Access Ltd | Construction | 2021 |
| Tayside Scaffold Limited | Construction | 2012 |
| Tayside Solar Ltd | Construction | 2011 |
| Tayside Solicitors Property Centre Limited | Professional & scientific | 2005 |
| Tayside Steel Structures Ltd | Construction | 2024 |
| Tayside Stoves Limited | Administrative & support | 2023 |
| Tayside Taxis Limited | Transport & logistics | 2024 |
| Tayside Tyre Hub Limited | Wholesale & retail | 2025 |
| Tayside West Limited | Transport & logistics | 2025 |
| Tayside Windows Limited | Construction | 2007 |
| Tayslide Doors Limited | Wholesale & retail | 2024 |
| Taytec Tuning Ltd | Wholesale & retail | 2022 |
| Taytel Limited | Information & communication | 1970 |
| Tayview Digital Ltd | Information & communication | 2026 |
| Tayview External Cleaning Ltd | Administrative & support | 2026 |
| Tayview Investments Ltd | Real estate | 2022 |
| Tayview Motors Ltd | Wholesale & retail | 2025 |
| Tayview Properties Limited | Real estate | 2024 |
| Tayview Property Group Ltd | Real estate | 2025 |
| Tayview Property Ltd | Real estate | 2022 |
| Tayview Property Management Limited | Real estate | 2017 |
| Tayview Risk Management Services Limited | Administrative & support | 2015 |
| Tayview Windows Ltd. | Construction | 2011 |
| Tayvista Ltd | Information & communication | 2011 |