"Wer liefert was?" is the leading supplier search engine in b-to-b. 

Users can search with "Wer liefert was?" free of charge and with over 25 million visits in 2010, our website has established itself as the first port of call for purchasing decision-makers.

"Wer liefert was?" was founded in 1932 and has a branch office in Switzerland since 1990. More than 1.5 million purchasing decision-makers search monthly on our website for suitable manufacturers, service providers and distributors.

The Wer liefert was? GmbH has over 200 employees throughout Europe. The headquarters are located in Hamburg.