1970 Foundation of the Planungsgruppe GbR
1990 Conversion of the BGB Gesellschaft into the
Planungsgruppe M+M AG
Restructuring in market-oriented business divisions
Extension of services with the division building fire protection
1991 Foundation of the branch in Dresden
1993 Foundation of the branch Naumburg
1996 Certification of the quality management system according to
DIN ISO 9001
2001 Management buyout by management staff
All shares of the Planungsgruppe M+M AG are in possession
of the members of the management
2002 Certification of the quality management system according to
DIN ISO 9001-2000
2003 New foundation of the branch in Eschborn (near Frankfurt/M.) and
integration of the HLG Ingenieurgesellschaft mbH
2004 New foundation of the branches Leipzig and Hamburg
2006 New foundation of the branch Unterhaching (near Munich) and
integrationof the Ingenieurgruppe Technik GmbH (IGT)