TL;DR: Roughly 98% of B2B website visitors never fill in a form. Reverse-IP lookup can tell you which company a visit came from — typically for 10-30% of traffic — and that is enough to change how you prioritise outbound.
Someone from a target account reads your pricing page three times in a week and leaves without a trace. Visitor identification closes that gap by matching the visitor's IP address against a database of company networks, giving you the account name even though nobody filled in a form. Here is how it works, what it can and cannot do, and how to use the output without annoying people.
A script records the visitor's IP address. The vendor matches that address against a database mapping IP ranges to organisations, then enriches the match with firmographic data — industry, size, location. You see the company, the pages viewed and the visit history. You do not see the individual.
Be sceptical of big claims. Realistic company-level match rates on B2B traffic run between 10% and 30%. Remote workers on home broadband, mobile visitors and VPN users are largely unidentifiable, and that share is growing. A vendor promising 70% is either counting differently or measuring a very unusual audience.
Company-level identification from an IP address is generally treated as business rather than personal data in the EU, which is why it is widely deployed there. Person-level identification is a different category entirely and needs legal review before you point it at European traffic. Disclose the tracking in your privacy policy either way.
The data is useless as a daily list nobody reads. Set thresholds instead: alert only when a company hits the pricing page twice in a week, or returns three times in ten days. Route those to a person, with the page history attached, and reference the interest without quoting the exact pages back at them.
Identify companies visiting your website. Get contact details. Close more deals.
Company-level identification is standard and widely used. Person-level identification exists but is largely limited to US traffic and carries significant privacy and legal considerations elsewhere.
Realistically 10-30% of B2B traffic at company level. Home broadband, mobile networks and VPNs account for most of the gap.
Company-level identification from IP addresses is generally treated as business data and is widely used in the EU, provided it is disclosed in your privacy policy. Person-level identification requires legal review.
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