Why B2B contact data goes stale, and what to do about it
Contact data decays as people change roles and companies restructure. Where the decay comes from, how to measure your own, and how to maintain data sanely.
9 min read
Blog & guides
Writing about contact data that works
Explanations of how enrichment and verification actually work, and practical procedures for building and maintaining B2B contact data. Written to be useful whether or not you ever use ReachNow.
How to build a B2B prospect list that is worth contacting
A method for building prospect lists: defining the target, sourcing without buying, enriching only what you use, and the checks before the first send.
11 min read
How to enrich a CSV of leads without making it worse
A procedure for enriching a lead file: preparing source data, choosing the join key, handling partial results, and merging back without making duplicates.
10 min read
Email enrichment vs email verification: what is the difference?
Enrichment finds a candidate address; verification confirms it exists. Different operations that fail in different ways — and doing only one is the mistake.
6 min read
How email verification actually works
What happens when an email address is verified: the DNS lookup, the SMTP conversation, what each server response means, and the two cases nobody can resolve.
9 min read
What is B2B data enrichment?
A plain explanation of B2B data enrichment: what it adds to a record, where the data comes from, the three main approaches, and when it is not worth doing.
8 min read
Put this into practice
ReachNow enriches the prospects you supply into verified business contact data — one at a time, or a CSV at a time.
5 free credits on signup · No card required