In March 1986 the founders met to sign the incorporation documents to found Dr. Graband & Partner GmbH in Braunschweig, where the headquarters have been since.
Acceptance as an inspection body by the BZA (now EBA (national safety authority))
In order to deepen our existing business relations in Berlin which we have had since our start we founded our Berlin subsidiary in April 1990.
The German reunification came with the poor state of rail infrastructure of the time in the capital and the new states, this circumstance let us expand our fields of project management and planning.
Certification in accordance with ISO 9001 by the DQS
Acceptance as an assessing organization by the EBA
Klaus-Dieter Sievers appointed as managing director
As a subsidiary to our Berlin office a further office was put in place in Leipzig to support our project management operations.
As a subsidiary to our Berlin office an another office was put in place in Dresden to support our activities in technical planning.
Enlarging business premises the headquarters moved within Braunschweig to Heinrich-Büssing-Ring 25
Accreditation as an inspection body type A in accordance with DIN EN ISP/IEC 17020
Finally, after two years of renovating and reconstructing, we moved to our prizewinning new head office – our current address. The GRABAND planned changes of the office building received the special prize of the “Ressourceneffizienz für die Region” (regional resource efficiency prize) by the “Regionale EnergieAgentur e.V.”, Braunschweig.
Rolf Stadtlander appointed as managing director
Appointment of Michael Schönberger as managing director
Gerhard Schulze and Klaus-Dieter Sievers transfer their responsibility as managing directors to their colleagues Rolf Stadtlander and Michael Schönberger
Appointment of Serhat Adak as managing director