The core activity of E. Buff Bau AG is the provision of construction services, particularly in the fields of building construction, civil engineering and renovation of buildings and infrastructure. This includes, among other things: new construction, extension, conversion and renovation of buildings; creation of water pipes, sewage pipes and other supply lines; core drilling for water pipes, heating pipes and electrical cables; execution of masonry work, plastering work, sealing work and drywall construction; renovation and renovation of sewage pipes, including inliner renovation; creation of breakthroughs for heating pipes and electrical cables. The company offers individual solutions for its customers and works on various construction projects.