“Wer liefert was” is the leading B2B marketplace in Germany, Austria and Switzerland and a product brand of Visable. Visable offers companies products that tailored specifically to their needs, such as their own B2B marketplaces and online marketing services. As the most popular online platform for professional purchases, “Wer liefert was” provides access to millions of products and services in the B2B sector. 1.3 million B2B purchasers connect each month on wlw.de, wlw.at and wlw.ch with approximately 590,000 suppliers, manufacturers, traders and service providers in about 47,000 categories. Every month, precise yet simple searches provide B2B purchasers with reliable information about companies and their product portfolios, including all current contact data and prices. The wlw product portfolio is free of charge to B2B purchasers and, if they select a standard profile, to advertisers.