hi there question! welcome to the forum, hope you'll enjoy your stay here!
with regards to your query, it is extremely accurate. we have a team of professionals constantly working on the accuracy and the validity of the data.
just in case you've purchased a contact from us which, unfortunately, isn't updated (eg. the contact might have resigned on the same day you bought the data), we'll give a full refund. of course we have to verify first if the data is really outdated but we assure you of a full refund.
i hope i answered your question and more. welcome again in our forum!