The WEMF AG für Werbemedienforschung collects figures on media usage in Switzerland and Liechtenstein.
According to its own statements, WEMF "provides, as a neutral and independent industry research organisation, transparency in the media and advertising market".
The WEMF MACH research system is relevant for print media, cinema and sponsorship.
[2] WEMF was founded in 1964 as a "neutral, not-for-profit research organisation" in order to create transparency in the media and advertising market.
The founders and shareholders were four interest groups in the Swiss advertising industry.