The b.i.g.-group is an expert for consulting, planning and operation of real estate. The family-owned enterprise offers inter ... nationally more than 100 services with about 3.000 employees in 27 independent companies. Founded in 1981 by Bernd and Gisela Bechtold as an engineering office, with Daniela Bechtold-Schwabe the next generation took over the leadership of the company in 2013. The b.i.g.-group covers the business segments design engineering, facility management, building services, security services, academy as well as complex services. read more