Cognism is a revenue intelligence platform with a particular strength in European and GDPR-compliant B2B contact data. It is the preferred data provider for UK and EMEA-focused sales teams that need verified mobile numbers and compliant prospecting.
Product Overview
Cognism's Diamond Data® feature provides phone-verified mobile numbers — a significant differentiator in an era of high email volume. Its intent data (via Bombora) helps teams focus on accounts actively in-market. Compliance is built in, with regular data audits and GDPR-compliant consent management.
Key Features
- Diamond Data® (Phone-Verified): Human-verified mobile phone numbers with 98% accuracy for direct dial prospecting.
- Intent Data (Bombora): Account-level intent signals showing which companies are actively researching solutions.
- GDPR Compliance Engine: Automated do-not-call list checks and GDPR-compliant data with processing documentation.
- Technographic & Firmographic Data: Detailed company intelligence including tech stack, headcount, and growth signals.
- Chrome Extension: One-click data retrieval on LinkedIn and company websites.
Best For
B2B sales and marketing teams focused on UK and European markets that prioritise data compliance and need reliable mobile phone numbers for outbound calling.
Pricing
Custom pricing — typically based on seat count and data credits. Contact sales for a quote.
Key Integrations
Salesforce, HubSpot, Outreach, Salesloft, SalesLoft, LinkedIn, Gong
Pros
- Best European data coverage
- Phone-verified mobiles are a differentiator
- Strong GDPR compliance
Cons
- Weaker North American coverage vs ZoomInfo
- Premium pricing
- Intent data is via Bombora (not proprietary)
RevOps Jobs-to-Be-Done
- GDPR-compliant European prospecting — Sales teams targeting UK and European markets use Cognism as their primary B2B data source — all contacts are notified of processing under GDPR, reducing legal exposure for outbound email and calling programmes. KPI: Prospect into EU/UK markets with confidence — eliminating compliance risk from unverified contact databases
- Phone-verified mobile number outreach — SDRs use Diamond Data — Cognism's manually phone-verified mobile numbers — to call prospects directly, bypassing gatekeepers and achieving higher connect rates than email-first approaches. KPI: Achieve 3–5× higher connect rates on mobile numbers vs. auto-generated or unverified contact data
- Intent-based account prioritisation — Revenue teams combine Cognism's contact data with Bombora intent signals (included in higher tiers) to identify and prioritise companies actively researching their category — reaching buyers earlier in the evaluation cycle. KPI: Increase pipeline sourced from outbound by 30–40% by focusing on in-market accounts
- CRM enrichment with compliance metadata — RevOps configures Cognism to enrich Salesforce or HubSpot contacts on ingest and on schedule — adding role, seniority, verified email, and phone — while attaching compliance consent records to each contact. KPI: Maintain a compliant, high-quality CRM contact base without manual research or legal review overhead
How It Fits Your Stack
Primary system of record: Salesforce or HubSpot (bi-directional sync)
Key integrations: Salesforce, HubSpot, Outreach, Salesloft, Apollo.io, LinkedIn Sales Navigator, Zapier
Data flows: Cognism enriches contacts at the point of list creation or CRM sync — pulling firmographic, contact, and intent data from Cognism's database and pushing it directly into your CRM. The Chrome extension allows one-click enrichment from LinkedIn profiles.
Security & Compliance
- SSO / SAML: Yes
- RBAC / permissions: Yes
- Audit logs: Yes
- Certifications: SOC 2 Type II, ISO 27001, GDPR
- Data residency: UK and EU
Implementation & Ownership
- Time to first value: 1–2 weeks from contract signing to first enriched lists
- Implementation complexity: Low
- Typical owners: Sales Ops, Marketing Ops
Cognism's implementation is lightweight — primarily connecting to your CRM via OAuth and setting up field mappings. The Chrome extension is immediately useful without any CRM integration. GDPR compliance documentation is provided as part of onboarding.
Proof & Buyer Signals
Ratings: 4.6/5 on G2 (700+ reviews, as of 2025)
What buyers praise:
- Diamond Data mobile numbers (manually phone-verified) are consistently rated as the highest-quality, highest-connect-rate contact data in the market for European prospects
- GDPR compliance posture and consent documentation gives legal/compliance teams confidence for EU outbound programmes
- Responsive customer success team, especially during onboarding
Common complaints:
- US data coverage and depth is noticeably weaker than ZoomInfo or Apollo — primarily a European data play
- Credit-based pricing model can feel restrictive for high-volume prospecting teams
Often Compared With
- ZoomInfo — Choose ZoomInfo for the broadest US enterprise data coverage and intent signal depth; choose Cognism for GDPR-compliant European markets and phone-verified mobile number quality.
- Lusha — Choose Lusha for a simple, lower-cost contact lookup tool; choose Cognism for deeper compliance infrastructure, phone verification, and intent data for European-focused sales teams.
- Apollo.io — Choose Apollo for a combined prospecting database plus sequencing platform at a lower price point; choose Cognism when GDPR compliance and European mobile data quality are non-negotiable.
