| Foundation |
| 1951 |
Foundation of Dorsch Consult consulting engineering company in Wiesbaden, Germany |
Entry into the International Market |
| 1956 |
Commencement of the company's foreign activities in the Middle East |
Pipeline and Industrial Engineering |
| 1957 |
The company's first contacts for the oil and gas industry in Germany |
World Bank Projects |
| 1958 |
Advisory services and engineering design for the World Bank in Japan, Spain, Venezuela, Jamaica, Brazil, Chile and Somalia |
| 1970 |
Dorsch Consult GmbH, limited liability company under German law, now 100% under the ownership of the Dorsch family |
Urban Infrastructure Projects |
| 1970 |
Execution of urban transport plans and design of underground railway and mass rapid transit sections. Development of own simlation program for the precise calculation of the flow conditions in sewerage systems during extreme rainfall event |
Large-Scale Foreign Projects |
| 1974 |
Large-scale contracts in the Middle East
In Algeria Dorsch Consult set up a joint consulting enterprise (S.A.E.T.I.) together with a state development bank with the aim of training local engineers and technicians in the design and contruction supervision of civil engineering schems |
| 1977 |
Top-priority wastewater disposal and treatment scheme in industrial zone of Helwan near Cairo in Egypt |
| 1980 |
International Airport Munich 2 |
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German Antarctic Research Station |
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Cocoa-processing factory in State of Ondo / Nigeria |
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Hijaz Railway Line from Damascus / Syria to Medina / Saudi Arabia via Amman / Jordan |
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Gas Terminal in Thailand |
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Baghdad Metro in Iraq |
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Thorium High Temperature Reactor (THTR 300) in Germany |
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Han River in P.R. China |
| 1987 |
Foundation of Dorsch Consult Abu Dhabi, UAE |
Reunification, upswing in business in the east |
| 1990 |
Altogether 6 subisidiary companies were established in the 5 new federal states of Germany |
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Long-distance natural gas pipelines MIDAL and STEGAL with Rehden underground gas storage reservoir |
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Housing programme in the States |
Intensification of engagement in South-East Asia |
| 1991 |
Foundation of DCT Dorsch Consult (Thailand) Co. Ltd. |
Expansion of activities |
| 1994 |
Operations Management Support to Water Authority of Jordan (WAJ) |
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Foundation of Dorsch Consult OST GmbH, Leipzig, to unite the 6 East Germany DC companies under one parent company |
| 1996 |
German-French Cooperation in European Consultancy Engineering Dorsch Consult and SCETAUROUTE S.A. conclude an agreement to megre their interests |
| 1997 |
The Dorsch Consult Group became member of the renamed Groupe EGIS |
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Acquisition of 80% of the shares of airplan GmbH, Stuttgart |
| 2000 |
Acquisition of 100% of the shares of wpm Projektmanagement GmbH, Stutttgart |
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Foundation of Dorsch Consult (india) Private Ltd., Mumbai, India |
| 2005 |
Jürgen Röder und Olaf Hoffmann have acquired 100 percent of the shares of Dorsch Consult from the French corporate group Groupe Egis S.A. on September 2, 2005. Foundation of the Dorsch Gruppe. |
| 2006 |
Foundation of the Dorsch Gruppe
- Complementary shareholdings have been pooled to one strategic force
- Further developments of international activities and implementation of new services
- Establishment of a branch network in India driven by the regional headquarters in Mumbai
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| 2007 |
Extension of the DC Asia Branch in Jakarta/Indonesia driven by the regional headquarters Bangkok
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| 2008 |
Establishment of a branch network in the United Arab Emirates driven by the regional headquarters Abu Dhabi
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Dorsch Gruppe Companies