QTS Group
Civil EngineeringScotland, United Kingdom501-1000 Employees
QTS Group is a civil engineering and rail infrastructure contractor based in Strathaven, Scotland. Founded by managing director Alan McLeish, it operates as a multi-discipline railway contractor. The company offers a range of specialist services, including vegetation management, drainage, fencing, civil engineering, earthworks, geotechnical work, industrial rope access, and plant fleet hire. QTS serves major rail and utility clients such as Network Rail, Scottish Water, British Telecom, United Utilities, SPT, ScotRail, and London Underground, along with local authorities. With hundreds of employees, the firm is positioned among the leading railway contractors in the country. In 2026, the company expanded its Preston offices and announced expansion into Northern Europe, reflecting ongoing growth.