1908
Edgard Frankignoul invents the FRANKIPFAHL, an in-situ concrete driven pile with an enlarged pile toe.
1910
After a patent was granted for the FRANKIPFAHL, the Belgian company FRANKIPFAHL is founded.
1912
Projects are completed in Europe, Egypt, Russia, China and Hong Kong.
1932
FRANKIPFAHL Baugesellschaft opens its doors in Dusseldorf.
1960
STUMP Bohr GmbH is founded in Munich as an affiliate of Stump Bohr AG, Zurich. Stump Spezialtiefbau GmbH is the first specialist civil engineering company to receive general building approvals from the Deutsches Institut für Bautechnik (German Institute of Structural Engineering) for its Stump Duplex anchor and Stump pipe pile systems.
1981
Integration of Stump’s activities into SUSPA Spannbeton GmbH to maximise synergies. New branches open in Langenfeld, Berlin and Hanover.
Strand anchor systems are included in the service portfolio from this date on. Valuable suggestions for further anchor system developments are implemented in the area of prestressed concrete. The jet grouting method of fabricating solidified bodies adds an extra feature to the product range.
1985
Full displacement screw piles are introduced as the ATLAS system at FRANKI.
1989
After the German reunification, STUMP Bohr GmbH opens another branch in Chemnitz, the success of which is in large part attributed to the well-trained staff. Brickwork and concrete sealing are added to the product range.
1990
Roll-out of the diaphragm wall technique at FRANKI.
1991
Change of name from FRANKIPFAHL Baugesellschaft to FRANKI Grundbau.
1992
An affiliate of STUMP Bohr GmbH is established in Prague.
1995
The company portfolio expands with the integration of Brechtelterra Spezialtiefbau und Umwelttechnik GmbH, so all the services for creating complex construction pits are now available under the one roof. The company is renamed Stump Spezialtiefbau GmbH.
2001
The FRANKI Grundbau headquarters move from Dusseldorf to Seevetal, near Hamburg.
2007
75th anniversary of the company. The Edgard Frankignoul Sponsorship Award is announced for the first time at TU Braunschweig.
At the same time, Ingenieurservice Grundbau GmbH, isg, a specialist planner for foundation works, construction pits and geotechnical measurement technologies, is established as an affiliate of FRANKI Grundbau.
2014
New FRANKI Grundbau branch offices in Berlin and Frankfurt am Main facilitate faster service.
Stump Spezialtiefbau GmbH is acquired by the PORR Group in January 2014, strengthening its international presence. The company is based in Berlin, while the central machine maintenance compound and a dedicated production facility for grouted anchors and micro piles is located in Colbitz in Saxony-Anhalt.
2016
The FRANKI Group achieves around 70 million euros in revenue and employs around 230 staff.
2017
FRANKI Grundbau GmbH & Co. KG, based in Seevetal, is acquired by the PORR Group. A decision is made to invest in the construction of new Atlas devices and FRANKI pile drivers. Extensive further investments are made in new special equipment such as rotary drilling rigs, Fundex bored pile drivers and cable excavators.
2018
A new repair facility for cable excavators and rotary drilling rigs is constructed in Coblitz in Saxony-Anhalt, previously a central compound for the maintenance of machines and a production facility for grouted anchors and pin piles.
2019
Stump Spezialtiefbau and FRANKI Grundbau merge to form Stump-Franki Spezialtiefbau GmbH in April 2019.
