Lagan Group

Lagan Specialist Contracting Group is a Belfast-headquartered, third-generation, family-owned construction and engineering business established in 1962. Operating across Ireland, Great Britain and international markets, Lagan designs, builds, operates and maintains critical infrastructure and housing projects.

The Group delivers specialist capabilities across aviation, highways, water and wastewater, renewables and civil engineering, supported by in-house expertise in operations, maintenance, plant and facilities management.

Through its portfolio of companies, Lagan combines technical delivery with long-term asset management, supporting complex infrastructure programmes for public and private sector clients.