1862
First business contacts in Portugal
1895
Siemens and Halske (S&H) opens a technical office for Spain and Portugal in Madrid.
1905
The Portuguese Siemens-Schuckertwerke Elektrizitäts-Gesellschaft mbH is founded in Berlin, with a regional office in Lisbon.
1916
Between 1919 and 1922, business with Portugal is conducted from Madrid.
1922
Siemens Companhia de Electricidade Lda. (SCE) is founded in Lisbon to represent SSW interests. S&H business is taken over by Socieda Espanola S&H, Madrid.
1931
SCE is reorganized as a stock corporation. An order is received for a long-distance telephone exchange in Lisbon.
1936
A diesel power plant built by Siemens and operated by Companhia Uniao Fabril of Lisbon goes into operation.
1955
Siemens is involved in the installation of an electrical system for the Portuguese railway.
1961
SSW and Osram acquire ENAE factory for producing transformers, motors and light sources.
1963
The Osram production facility is spun off from ENAE and renamed MOTRA Equipamentos Eléctricos.
1970
manufacturing facility for communications equipment is constructed in Evora.
1972
All Siemens activities in Portugal are combined and the Regional Company renamed Siemens SARL.
1989
A new administrative office is set up outside of Lisbon.
1990
Siemens delivers 42 electric multiple units to the Portuguese national railway.
1999
Portugal’s first combined-cycle power plant, Tapada do Outeiro, is commissioned.
2001
Siemens is named main supplier for the UMTS network of TMN, the Portuguese mobile network operator TMN
2004
Portuguese state railway awards contract to Siemens to deliver 15 electric locomotives
2007
Temporary terminal solution “Capacity Plus” is installed at the Lisbon Airport in the record time of 4 months