HAVECO was founded in Gwatt near Thun in 2012. The company positioned itself as a service partner in the energy and network sector and supports projects from planning and execution to commissioning. HAVECO has been part of the PFIFFNER Group since 2021 and has continued to expand its activities. On January 1, 2026, HAVECO AG and PFIFFNER Systems AG merged strategically under the joint name HAVECO AG.