The acquisition of other telecommunications companies put pressure on Ericsson's finances; in 1925, Karl Fredric Wincrantz took control of the company by acquiring most of the shares.
Opkøbet af relaterede virksomheder lagde pres på Ericssons finanser, og i 1925 tog Karl Fredric Wincrantz kontrol over selskabet ved at købe aktiemajoriteten.