Last updated May 2026

Best B2B Contact Databases

Comparison of B2B contact databases — phone, email, intent data, and headcount coverage for sales prospecting teams.

Clay

data enrichment

Programmable spreadsheet that pulls from 100+ data sources to build, enrich, and segment B2B prospect lists using AI agents.

Cognism

b2b database

B2B sales intelligence with verified mobile phone numbers, GDPR-compliant European data, and intent signals for outbound teams.

Hunter.io

email finder

Email finder and verifier for outbound prospecting with domain search, bulk lookups, and a Chrome extension.

LeadIQ

linkedin enrichment

Sales prospecting platform capturing verified contact data from LinkedIn and pushing it directly into your CRM in one click.

Lusha

contact data

B2B contact data platform with verified emails, direct dials, and a Chrome extension for in-LinkedIn prospecting.

Persana

data enrichment

AI prospecting and enrichment platform that orchestrates 75+ data sources to build targeted lead lists.

RocketReach

contact discovery

Professional contact lookup tool with a 700M+ profile database, Chrome extension, and bulk enrichment for sales teams.

Seamless.ai

b2b database

Real-time AI search engine for B2B sales leads with phone numbers, emails, and CRM integrations.

ZoomInfo

b2b database

Enterprise B2B sales intelligence platform with a database of 100M+ contacts, intent data, and engagement workflows.