1843
Wilhelm (Sir William) Siemens goes to England on behalf of his brother Werner to sell the rights to Werner’s patented gold-plating technique.
1850
A Siemens & Halske sales agency is established under William’s direction.
1853
William takes over the running of the English business, which primarily involves the selling of water meters.
1858
The Londoner agency is converted into an independent company known as Siemens, Halske & Co. with its own workshops.
1863
A cable factory is built in Woolwich.
1865
The company is renamed Siemens Brothers.
1868-1869
Siemens Brothers lays the Russia to Teheran section of the Indo-European telegraph line.
1873-1874
The first Atlantic cable is laid by Siemens Brothers with the cable steamer “Faraday, ”built specially for this purpose.
1880
Siemens Brothers is converted into a stock company.
1881
An order is received to supply electric lighting for the Savoy Theater in London.
1903
The Stafford dynamo plant starts production
1906
Siemens Brothers Dynamo Works Ltd., London and Stafford, is founded
1908
An incandescent lamp factory is built in Dalston.
1914
The shares of the English Siemens company are confiscated by the British government.
1929
Contacts are reestablished; a cooperation agreement is concluded.
1964
A Siemens sales company is founded under the name Siemens Ltd.
1989
The Plessey Company is taken over jointly by Siemens and GEC; Siemens takes over the research center Roke Manor Research; a controlling stake in Oxford Magnet Technology is acquired.
2001
An order is received for EMU cars for the new train Desiro UK specially developed for the UK.
2004
BBC commissions Siemens to operate its company-wide IT infrastructure
2005
In the biggest modernization program in the UK, Siemens wins an order for the periodic delivery of medical systems for both the Barts and Royal London hospitals
2008
In London, Siemens and McKinsey publish a study on sustainable infrastructure
UK, the cable works of Siemens Brothers in Woolwich at the end of the 1890s