Técnicas Reunidas is a Spanish engineering group specializing in the design and delivery of large-scale industrial facilities for the energy and process industries. Headquartered in Madrid, the company operates worldwide and provides services across the full project lifecycle, including feasibility studies, front-end engineering design (FEED), detailed engineering, procurement, construction, commissioning, and project management.
Its portfolio covers oil refining, petrochemicals and polymers (such as olefins, aromatics, and derivatives), gas processing and LNG, fertilizers, and power and utilities. The company also executes projects related to the energy transition, including low‑carbon fuels, hydrogen, and carbon capture. Técnicas Reunidas typically works under EPC and EPCM contract models and supports greenfield developments as well as revamps, expansions, and debottlenecking for national and international energy and chemical companies.