Every single contact from our European NACE database with 100 million+ companies comes directly from local sources that are GDPR proof and that use the official NACE classification. These sources include chamber of commerces, market surveys, business listings, directories, magazines, public records, websites, conferences, telephone directories, publishers, social media and commercial partnerships. All our company data is verified by automated processes and human eyes on a ongoing basis. Have an edge against your competition with our comprehensive B2B company database. Ask us for a quote!
In short: the quality and accuracy are outstanding. However, a mailing list can never be 100% up-to-date. For example, a contact that has been checked last week can have a new job the next week. Therefore you need to take a small error rate into account.