Siemens & Halske an kafa shi ne ta Werner von Siemens da Johann Georg Halske a ranar 12 ga Oktoba, 1847. Bisa ga telegraph, abubuwan da suka kirkiro sun yi amfani da allura don nuna jerin haruffa, maimakon yin amfani da lambar Morse. Kamfanin, wanda ake kira Telegraphen-Bauanstalt von Siemens & Halske, ya buɗe bitarsa ta farko a ranar 12 ga Oktoba.A 1848, kamfanin ya gina layin telegraph na farko mai nisa a Turai; kilomita 500 daga Berlin zuwa Frankfurt am Main. A 1850, ƙaramin ɗan'uwan wanda ya kafa kamfanin, Carl Wilhelm Siemens, daga baya Sir William Siemens, ya fara wakiltar kamfanin a London. Hukumar London ta zama ofishin reshe a 1858. A cikin shekarun 1850, kamfanin ya shiga cikin gina hanyoyin sadarwa na dogon lokaci a Rasha. A 1855, wani reshe na kamfanin da wani ɗan'uwansa, Carl Heinrich von Siemens, ya jagoranci, Siemens ya buɗe a St. Petersburg, a Rasha, a 1867, an buɗe layin telegraph na Indo-European wanda ya kai kilomita 11,000 daga Berlin zuwa Frankfurt am Main. Tambaya: A lokacin da aka kammala layin telegra
Shekara ta 1855