Cognism vs Clearbit (by HubSpot)
Side-by-side from the Top 11 rankings of ZoomInfo vs Apollo.io vs Cognism: 11 Best B2B Data Providers & Contact Databases 2026 and ZoomInfo vs Apollo.io vs Cognism: 11 Best Lead Generation Tools 2026. Last verified June 18, 2026.
The short answer
Cognism ranks higher on Top 11 (#3 vs #8) for Sales teams sourcing verified B2B contact lists and intent data / Sales and marketing teams building top-of-funnel pipelines. The leader in GDPR-compliant European data, with excellent human-verified mobile numbers for direct outreach.
At a glance
| Cognism | Clearbit (by HubSpot) | |
|---|---|---|
| Top 11 rank | #3 / ZoomInfo vs Apollo.io vs Cognism: 11 Best B2B Data Providers & Contact Databases 2026 | #8 / ZoomInfo vs Apollo.io vs Cognism: 11 Best Lead Generation Tools 2026 |
| Score (out of 9.4) | 8.8 | 7.8 |
| Best for | Best for EU data & compliance | Best for data enrichment |
| Pricing | $$$ (Custom quotes, from $10k/yr) | $$$ (Custom pricing) |
| HQ | London, UK | San Francisco, CA, USA |
| Founded | 2015 | 2014 |
Cognism
The leader in GDPR-compliant European data, with excellent human-verified mobile numbers for direct outreach.
www.cognism.comClearbit (by HubSpot)
The top solution for enriching inbound leads and website traffic.
www.clearbit.comSee full entry in ZoomInfo vs Apollo.io vs Cognism: 11 Best Lead Generation Tools 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.