Livingston-based civil engineering company NRS UK has appointed administrators.
The business also provided construction and power solution services to a range of private and public sector clients. Recent Scottish projects included the St Andrews Cross substation in Glasgow, Seagreen Offshore wind farm off the Angus coast, Sauchiehall Street civil engineering works and electricity substations in Wishaw and Glenlee.
Founded in 2010, NRS UK employed 47 staff and had a turnover of £33m.