European-focused B2B data provider with phone-verified mobile numbers. Diamond Data offering for verified contacts.
European-focused B2B data provider with phone-verified mobile numbers. Diamond Data offering for verified contacts.
European-focused B2B data provider with phone-verified mobile numbers. Diamond Data offering for verified contacts.
European-focused B2B data provider with phone-verified mobile numbers. Diamond Data offering for verified contacts.
Real quotes from 4 cited sources across review sites, blogs, Reddit, HN, X, and community forums.
“Data quality is strong, especially for EMEA contacts. Users consistently report 2-3x higher connect rates when using Diamond Data verified numbers compared to standard databases.”
“Users received calls on private TPS-registered mobile numbers from people who stated they got the number from Cognism despite never consenting. GDPR compliance claims appear breached.”
“Annual contracts with high entry costs (typically 20K+ EUR for small teams) make it difficult for startups. Custom pricing model requires going through a demo and negotiation.”
“4.6/5 on G2 (500+ reviews), 4.7/5 on Capterra (240+ reviews). Some users report numbers are either wrong or they get the HQ number from America even when searching for European offices.”
European-focused B2B data provider with phone-verified mobile numbers. Diamond Data offering for verified contacts.
Cognism is tracked for European-focused B2B data provider with phone-verified mobile numbers. Diamond Data offering for verified contacts.
The cited source set is cautious, with 2 negative references out of 4. Deepline tracks 4 cited sources for this provider entry.
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4 questions reference this provider.
“...---------|----------------------|-------------------| | **C-Suite** | Cognism, LeadMagic, Lusha | 35-45% | | **VP/Director** | Cognism, ContactOut | 25-35% | | **Manager** | Cognism, Kasp...”
“...ay as your enrichment backbone, cascading through Apollo → ZoomInfo → Cognism for contacts and Clearbit → 6sense for company data. Add ChatGPT API integration for research summarization a...”
“...---|---------------|-------------------| | **C-Suite / Executives** | Cognism, LeadMagic, Lusha | 35-45% | | **VP / Director** | Cognism, ContactOut | 25-35% | | **Manager** | Cognism, Ka...”
“yes this is widely available. the simplest will be Apollo (Cognism, Zoominfo...) because it's right in the filters. there are also data sources you can access via api if you'r...”
Community discussions and reviews from the last 30 days.
Cognism reference from MarketBetter
Data quality is strong, especially for EMEA contacts. Users consistently report 2-3x higher connect rates when using Diamond Data verified numbers compared to standard databases.
Cognism reference from Trustpilot Reviewers
Users received calls on private TPS-registered mobile numbers from people who stated they got the number from Cognism despite never consenting. GDPR compliance claims appear breached.
Cognism reference from SyncGTM
Annual contracts with high entry costs (typically 20K+ EUR for small teams) make it difficult for startups. Custom pricing model requires going through a demo and negotiation.
Cognism reference from ColdReach
4.6/5 on G2 (500+ reviews), 4.7/5 on Capterra (240+ reviews). Some users report numbers are either wrong or they get the HQ number from America even when searching for European offices.
All opinions are community-sourced from real GTM practitioners. No vendor can claim or edit this page.