Sigfox is a French company founded in 2009 that builds wireless networks to connect low-energy objects such as electricity meters, smartwatches, and washing machines, which need to be continuously on and emitting small amounts of data.
Sigfox is based in Labège near Toulouse, France, and has over 80 employees.[3] The firm also has offices in Madrid, San Francisco, Sydney and Paris.[4][5]

Source: Sigfox – Wikipedia