GfG Hoch-Tief-Bau is a German company based in Ahrensburg, operating under GfG Hoch-Tief-Bau GmbH & Co. KG and active since 2001. The company focuses on timber-frame homes, panelized house systems and prefabricated residential projects.

Its services are centred on timber-house planning, prefabricated wall and roof elements, efficient construction and residential project coordination. It suits buyers who value a shorter, more organised build route without losing the ability to adapt layout, finish or specification.