Cognism is a B2B sales intelligence platform that provides GDPR-compliant company and contact data, with particular strength in EMEA, to help revenue teams find and connect with decision-makers.
Independently researched by the SalesHive team. Ratings are from public review platforms; this page is not sponsored by or affiliated with Cognism. Research last updated December 2025.
What is Cognism?
Cognism is a London-headquartered sales intelligence company that helps B2B revenue teams discover, connect with, and convert ideal buyers using accurate, compliant data. Founded in 2015 by James Isilay and Stjepan Buljat, the platform combines a large global B2B database with phone-verified mobile numbers, intent and signal data, and deep CRM integrations to make outbound prospecting more predictable and scalable. Its core focus is on high-quality European data and compliant processing aligned with GDPR and CCPA.
The flagship offering, Cognism Sales Companion, includes a web application, powerful segmentation and persona-building tools, and a Chrome extension that overlays Cognism data on LinkedIn, Sales Navigator, company websites and leading CRMs. Revenue teams can filter by company size, industry, seniority, skills, technologies and buying signals, then sync cleaned and enriched records directly into Salesforce, HubSpot, Microsoft Dynamics 365, Pipedrive, Outreach, Salesloft, Bullhorn and other tools. Phone-verified Diamond Data® gives users access to highly accurate mobile numbers and direct dials, significantly improving connect rates for outbound calling.
Cognism has grown rapidly through both organic expansion and acquisitions. It acquired Mailtastic in 2020 to add email signature marketing capabilities, and Kaspr in 2022 to strengthen its sales prospecting footprint in France. Backed by more than $128 million in venture funding, Cognism now serves over 4,000 customers worldwide, ranging from high-growth SaaS companies to large enterprises in sectors like technology, financial services and professional services. The company operates globally with hubs in London, Skopje and several other European cities.
Positioned as a premium alternative to US-centric providers, Cognism differentiates with its compliance-first data sourcing, extensive Do-Not-Call screening, and security posture including ISO 27001, ISO 27701 and SOC 2 Type II. The platform is consistently rated highly on G2, Capterra and TrustRadius for data quality, ease of use and support, making it a strong choice for teams that rely on phone-based outbound and need deep coverage across EMEA.
Cognism key features
Teams typically use it for sales Prospecting, cold Email & Call Outreach, account-Based Marketing, and more.
- Global B2B contact database with strong European coverage. access millions of decision-makers with direct dials and verified emails.
- Diamond Data® phone-verified mobile numbers. human-verified mobiles that typically deliver up to 3x higher connect rates for outbound calling.
- Sales Companion web app. build ICPs, segment target markets and personas, and assign target account lists and workflows across teams.
- Chrome browser extension. reveal Cognism contact and company data directly on LinkedIn, Sales Navigator, company websites and supported CRMs.
- Signals and intent data. use hiring, funding, technographic changes, news and Bombora-powered intent topics to prioritize in-market accounts.
- Advanced prospecting filters. refine searches by firmographics, geographies, seniority, skills, technographics, intent topics and more.
- Deep CRM and sales engagement integrations. bi-directional sync, de-duplication and field mapping with Salesforce, HubSpot, Dynamics 365, Pipedrive, Outreach, Salesloft, Bullhorn and other tools.
- Data enrichment. CSV and API-based enrichment to clean and complete existing CRM and marketing automation records at scale.
- Data-as-a-Service. deliver accurate, privacy-safe B2B data directly into data warehouses, CDPs or CRMs via real-time API or scheduled batch feeds.
- Compliance and DNC screening. GDPR- and CCPA-aligned processing with extensive Do-Not-Call checking and audit-ready metadata.
- Diamonds-on-Demand® research. request on-demand verification of high-priority contacts to obtain the freshest possible mobile numbers.
- Admin controls and reporting. manage seat-based access, target markets and personas, and monitor performance and usage across teams.
- LinkedIn & company website workflows. identify accounts, view employees, and push contacts into lists or CRMs without leaving the page.
- Technographics and skills data. target accounts and contacts based on installed technologies and role-specific skills.
- Customer advocacy and best-practice programs. structured onboarding, training sessions and advocacy community to improve adoption.
What reviewers love, and what to watch
A balanced view of Cognism, drawn from public reviews and product research.
Pros
- High-quality, accurate B2B contact data, particularly for EMEA markets and decision-maker mobile numbers.
- Chrome extension makes it easy to pull verified emails and direct dials directly from LinkedIn, Sales Navigator and company websites.
- Seamless integrations with Salesforce, HubSpot and leading sales engagement tools reduce manual data entry and keep CRMs clean.
- Strong GDPR-, CCPA- and DNC-compliant data handling gives teams confidence to prospect safely in regulated markets.
- User-friendly interface with a short learning curve that helps SDRs and AEs get value quickly.
- Responsive customer support and account management, including onboarding sessions, live chat and best-practice training.
Cons
- Data coverage and accuracy can be weaker in some regions (such as parts of North America or APAC) and niche industries compared to its core European focus.
- Pricing is relatively high, with annual-only contracts that can be challenging for startups or small, budget-conscious teams.
- Some users report occasional inaccurate or outdated contact details, bounced emails or missing phone numbers.
- Export limits and needing to add contacts in relatively small batches can make high-volume list building feel slow or click-heavy.
Cognism pricing
Published pricing at the time of research. Always confirm current rates with the vendor.
- Core contact and company data, including direct dials and emails
- Access to phone-verified Diamond Data® contacts
- Sales Companion web app and Chrome extension access
- Target market analytics and ICP/persona-based segmentation
- Standard CRM and sales engagement integrations (e.g. Salesforce, HubSpot, Pipedrive, Outreach, Salesloft, Bullhorn, Microsoft Dynamics 365)
- Seat-based Sales Companion access
- Up to 3 saved lists and 250 contacts per list (as a typical default configuration)
- Onboarding, training and live-chat support
- All Grow features
- Signals data including job changes, funding, hiring, M&A and news
- Bombora-powered intent data (up to a fixed number of topics included)
- Technographic data for installed technologies at target accounts
- Diamonds-on-Demand® enhanced phone verification service
- More lists and higher contact limits per list (e.g. 10 lists and 500 contacts per list as a common setup)
- Advanced analytics and targeting capabilities for in-market accounts
- Enhanced support, often including a dedicated customer success manager
Who Cognism is for
A strong fit for
B2B sales, marketing and revenue operations teams at mid-market and enterprise companies, especially those selling into Europe or multiple regions, who need GDPR-compliant direct dials, mobile numbers, intent signals and deep CRM integrations to power high-volume outbound.
Probably not for
Very small businesses, solo operators or teams with limited budgets that only need occasional email lookups, B2C-focused organizations, or companies looking for a lightweight, month-to-month tool with built-in outreach sequencing.
How Cognism compares
Compared with competitors like ZoomInfo, Apollo.io, Lusha and UpLead, Cognism positions itself clearly as a premium, compliance-first provider with particular strength in EMEA. Its edge lies in phone-verified Diamond Data®, mobile coverage and regulatory expertise, which often translate into higher connect rates and fewer compliance concerns for teams targeting Europe. For organizations where outbound calling into EMEA is a core growth lever, these advantages can justify Cognism’s higher price point.
However, for teams that are primarily US-focused, early-stage, or heavily reliant on email-only campaigns, lower-cost tools such as Apollo.io or UpLead may provide sufficient coverage at a fraction of the cost, often with built-in sequencing features. ZoomInfo remains a strong alternative for very large enterprises needing broad global coverage and extensive add-on products. In short, Cognism tends to win where European data quality, compliance and mobile accuracy are non-negotiable, while more price-sensitive or US-centric buyers may lean toward other vendors.
Tool research is the easy part. Someone still has to build the lists, write the copy, make the calls, and book the meetings.
Frequently asked about Cognism
The short version is on the surface. Open any question to go deeper.
