M. Fernando Sequeira is a technical installations, assistance and maintenance company based in Serzedo, Vila Nova de Gaia, Portugal. With more than two decades of experience, it serves private customers, businesses, property developers and public organisations, supporting projects from quotation and installation through to ongoing technical assistance.

Its services cover sanitary installations and plumbing, cold and hot water networks, sanitation and leak detection, gas systems, central heating and related equipment, including boilers, water heaters and storage tanks. The company also installs and maintains water, sewage and fire-protection pumping stations, registered fire networks, solar panels and irrigation systems. Additional work includes bathroom and kitchen renovations, leak repairs, drain unblocking and other technical repairs.

M. Fernando Sequeira highlights qualified teams, appropriate materials and attention to detail, with a portfolio spanning residential, hospitality, industrial, commercial and public-sector projects. Its credentials include a construction licence, gas installer registration, fire-safety registration with ANEPC and solar energy certification.

The company offers a coordinated service for new installations, repairs and maintenance