Netherlands
VIAF is a virtual international authority file system that combines several Name Authority Files into a single OCLC-controlled Name Authority Service. It aims to reduce the costs and benefits of Library Authority Files and increase their usability by connecting widely used Authority Files and providing their information on the website.
Browsing, company names, locations and sectors are always free. A free account adds 5 contact releases every month — e-mail and phone, view or export. Need more? Contact packs start at 19 € for 50, or upgrade to a monthly plan.
Yes — no card required. Browsing is always free, and a free account adds 5 contact releases every month.
Your first 5 contact releases each month are included in the free account. After that, packs start at 19 € for 50 contacts (view or export), or a monthly plan for regular use.
Companies are harvested from the open web — registers, websites and industry directories — not self-registered sign-ups. Contact details are shown only once you use a release or credit, never invented.