SPECIALIST TECHNICAL ENGINEERING SERVICES UNLIMITED COMPANY

Specialist Technical Engineering Services Unlimited Company (STS Group) is a leading installation contractor headquartered in Ireland and a member of the Dussmann Technical Solutions family. With a workforce of more than 1,600 skilled professionals, STS delivers complex electrical and instrumentation solutions for large‑scale projects across Ireland, the UK, Europe and the Middle East.

The company’s core specialisations span five key sectors: Life Sciences (pharmaceutical manufacturing), Data Centres, Transmission & Distribution, Food & Beverage, and high‑end commercial office fit‑outs. From full‑scale electrical and instrumentation fit‑outs and MV sub‑stations to bespoke control‑system installations, STS combines rigorous safety standards with a “right first time” quality ethos, underpinned by its Five Pillars of Safety and a Mission Zero Safety Programme.

Renowned for its reliability, STS has built lasting client relationships and a portfolio that includes high‑profile projects such as Biogen’s production facilities in Switzerland and major data‑centre installations in Dublin. Its commitment to safety, quality and sustainable, paper‑less delivery makes STS a trusted partner for organisations seeking technically sophisticated, compliant engineering services.