Since 38 years we are working as an responsible team of engineers and architects.

Designs for housing developments such as that at Dorfanger Berlin-Schönefeld as well as diverse clinics were modified and made more favourable for the benefit of the owners and awarding authorities.

The ferry harbour of Konstanz-Staad as well as various leisure boat marinas at Lake Constanz were designed and accompanied through to completion to the satisfaction of the awarding authority.

Construction sequences were modified and co-ordinated by the office for international projects such as Eurodisney Paris and the main outfall drain in Iraq.

In 1994 was opened an additional office in Berlin which since then has been involved in the renovation of old buildings at Check Point Charlie and at Lützowufer, as well as the construction of new supermarkets, office buildings and dwelling houses in all parts of Berlin and its surrounding area.

In 2003 the HZ Bau Bauträger GmbH was founded in Potsdam to carry out construction work and issue bills under its own name.

The ALDI building specifications for the expansion of the Albrecht-BGB-(German Civil Code) society in Poland was compiled in 2006.

In 2007 an office will be opened in Poland.

Since 2014 planning and building of prefabricated SMALL HOUSES.