Unlimited Data.
Infinite Possibilities.

Looking for B2B data? Download Unlimited data using our Chrome extension at just $79/month.

Lifetime access to 200 email views and 100 export credits every single month

May 6, 2026

ReachStream vs Clearbit vs Cognism for CRM Data

Best Practice > Sales
> Article

Best Practice > Sales
> Article

How to Evaluate B2B Data Vendors for Accuracy and Compliance

Choosing between ReachStream, Clearbit, and Cognism comes down to one question: what does your CRM actually need? Each platform solves a different problem—Cognism leads in phone-verified European data, Clearbit specializes in HubSpot-native enrichment, and ReachStream offers self-serve prospecting with pay-only-for-verified-emails pricing.

This guide breaks down the features, integrations, data coverage, compliance standards, and pricing of all three platforms so you can match the right tool to your workflow.

ReachStream vs Clearbit vs Cognism at a glance

ReachStream, Clearbit, and Cognism are all B2B sales intelligence platforms, but each one solves a different problem. Cognism leads in human-verified European phone data with strong GDPR compliance. Clearbit (now called Breeze Intelligence after HubSpot acquired it) specializes in real-time CRM enrichment for marketing teams. ReachStream offers a self-serve prospecting database with pay-only-for-verified-emails pricing.

So which one fits your CRM workflow? That depends on what you’re trying to do.

What is the difference between ReachStream, Clearbit, and Cognism

All three platforms help revenue teams improve CRM data quality. Yet they approach the problem from different angles.

Data accuracy and real-time verification

ReachStream is a self-serve B2B data platform for teams that want verified contact data without enterprise pricing. It combines data enrichment, list building, a LinkedIn Chrome Extension, and API access. The pay-only-for-verified-emails model means you don't pay for records that fail verification.
Clearbit focuses on firmographic and technographic enrichment. Firmographics are company-level attributes like industry, employee count, and revenue. Technographics describe the software and tools a company uses. After HubSpot acquired Clearbit in late 2023, the product became embedded in HubSpot's ecosystem as Breeze Intelligence.
Cognism targets outbound sales teams running phone-heavy campaigns, particularly in EMEA markets. Its "Diamond Data" feature provides human-verified mobile numbers. A research team manually confirms each phone number works before adding it to the database.

Claim 100 free leads to see data quality in action

Key features for CRM data

ReachStream

ReachStream offers four core products that work together:

ReachStream is a self-serve B2B data platform for teams that want verified contact data without enterprise pricing. It combines data enrichment, list building, a LinkedIn Chrome Extension, and API access. The pay-only-for-verified-emails model means you don't pay for records that fail verification.
Clearbit focuses on firmographic and technographic enrichment. Firmographics are company-level attributes like industry, employee count, and revenue. Technographics describe the software and tools a company uses. After HubSpot acquired Clearbit in late 2023, the product became embedded in HubSpot's ecosystem as Breeze Intelligence.
Cognism targets outbound sales teams running phone-heavy campaigns, particularly in EMEA markets. Its "Diamond Data" feature provides human-verified mobile numbers. A research team manually confirms each phone number works before adding it to the database.

The platform refreshes contact data automatically every three months at no extra cost. That’s worth noting because B2B contact data decays quickly as people change jobs.

Clearbit

Clearbit’s strengths center on marketing enrichment:

Since the HubSpot acquisition, Clearbit’s features are increasingly bundled into HubSpot’s native tools rather than offered separately. Teams using other CRMs may find the integration options more limited than before.

Cognism

Cognism focuses on outbound sales intelligence:

CRM integration and workflow capabilities compared

How data flows into your CRM often matters as much as the data itself. A platform with great data but clunky integrations creates more work, not less.

ReachStream takes an API-first approach. The ReachAPI supports webhook-based delivery, Zapier connections, and direct API calls. Webhooks are automated messages sent from one app to another when a specific event happens. This flexibility works well for teams with custom CRM setups or less common platforms.
Clearbit offers native HubSpot integration, now embedded directly into the platform. A Salesforce connector exists, but teams outside the HubSpot ecosystem may find limited flexibility.
Cognism provides Salesforce and HubSpot integrations along with connectors for Outreach and Salesloft. Its browser extension allows users to push contacts directly to CRM records.

Tip: Before committing to any platform, test the actual integration with your CRM. API documentation quality and support responsiveness vary significantly between providers.

Book a demo to see ReachStream’s CRM integrations in action →

Database size and B2B data coverage

ReachStream database coverage

ReachStream provides access to 200M+ contact profiles and 15M+ company profiles across 150+ countries and 400+ industries. Each profile includes 20+ data points. The platform offers both contact-level and company-level filtering.

Clearbit database coverage

Clearbit excels at technographic and firmographic data for North American companies. However, it offers less depth in direct contact data compared to dedicated prospecting tools. Its strength lies in enriching existing records rather than discovering new contacts.

Cognism database coverage

Cognism’s primary strength is EMEA markets, particularly the UK, Germany, and France. US coverage has improved but historically remained a secondary focus. The platform emphasizes phone-verified mobile numbers over email volume.

Data enrichment accuracy and email deliverability

Email deliverability directly impacts whether your outreach reaches inboxes or spam folders. A high bounce rate damages your sender reputation and can get your domain blacklisted.

ReachStream uses real-time ESP verification. ESP stands for Email Service Provider, and ESP verification checks whether an email address is valid and deliverable. The pay-only-for-verified-emails model means you don't pay for records that fail verification. Contacts are automatically refreshed every three months.
Clearbit delivers strong company-level accuracy, though email deliverability varies by record. The platform focuses more on firmographic completeness than contact verification.
Cognism claims high email deliverability, but phone verification is the primary differentiator. The Diamond Data feature uses human researchers to verify mobile numbers. This process improves connect rates but limits scale.

Test ReachStream’s data accuracy—claim 100 free leads →

Try ReachStream free—no credit card required

Compliance and data privacy standards

For teams operating in regulated industries or targeting EU contacts, compliance isn’t optional. GDPR (General Data Protection Regulation) governs how companies collect and use personal data in Europe. CCPA (California Consumer Privacy Act) provides similar protections for California residents.

Cognism’s compliance infrastructure is particularly robust for phone outreach in Europe, where regulations around cold calling are stricter than in North America.

Pricing of ReachStream, Clearbit, and Cognism

ReachStream pricing

ReachStream uses a credit-based model where you pay only for verified emails. The free Icebreaker plan has no expiration and requires no credit card. Teams can start building lists immediately. Paid plans scale based on credit volume rather than seat count.

Clearbit pricing

Clearbit is now bundled into HubSpot as Breeze Intelligence. Pricing ties to your HubSpot subscription tier, and standalone pricing is no longer publicly available. Costs can increase as contact volumes grow.

Cognism pricing

Cognism uses seat-based pricing with annual contracts. The platform positions itself at enterprise price points, and custom quotes are required.

Best use cases for each platform

When to choose ReachStream

ReachStream fits teams that want affordable, self-serve CRM enrichment with flexible API access:

Startups and SMBs: Pay-for-what-you-use pricing without annual commitments
Agencies: Manage multiple client campaigns from one platform
Sales and marketing teams: Prioritize email outreach over phone campaigns
Recruiting teams: Build candidate pipelines with verified contact data

When to choose Clearbit

Clearbit (Breeze Intelligence) makes sense for HubSpot-centric teams who want native enrichment without additional tools:

When to choose Cognism

Cognism is best for outbound sales teams running phone-heavy campaigns targeting EMEA:

Phone-first outreach: Human-verified phone numbers are critical to your workflow
European markets: Primary focus on UK, DACH, or France
Enterprise budgets: Can accommodate premium pricing
Compliance priority: European calling regulations are a concern

How to choose the right CRM data provider

1. Define your CRM data goals

Start by identifying your primary use case. Are you focused on data enrichment of existing records, discovering new contacts, or automating workflows? The answer shapes which platform fits best.

2. Audit your existing CRM records

Assess current data quality gaps. Missing emails, outdated job titles, and incomplete firmographics each point toward different solutions.

3. Evaluate database coverage and accuracy

Match geographic and industry requirements to platform strengths. Request data samples for your ideal customer profile before committing.

4. Test CRM integrations and APIs

Verify compatibility with your existing tech stack. Check API documentation quality and support responsiveness.

5. Compare pricing and ROI

Calculate cost-per-verified-contact and factor in data refresh policies. Consider hidden costs like seat minimums, annual commitments, or volume-based scaling.

Why revenue teams switch to ReachStream for CRM data

Teams often evaluate multiple providers before landing on the right fit. Here’s what draws revenue teams to ReachStream:

Pay-only-for-verified-emails: Eliminates wasted spend on bad data

Self-serve platform: Reduces onboarding time and vendor dependency

Quarterly automatic updates: Keeps CRM records current without manual effort

Flexible API: Supports custom workflows beyond native integrations

Transparent pricing: Free tier that doesn’t expire

For teams tired of enterprise contracts and opaque pricing, ReachStream offers a practical alternative that scales with actual usage.

Start your free trial—no credit card required →

Frequently asked questions

1. What is the difference between Clearbit and Cognism?

Clearbit (now Breeze Intelligence) focuses on firmographic enrichment within the HubSpot ecosystem. Cognism specializes in phone-verified mobile data for outbound sales teams targeting European markets. Clearbit is stronger for marketing use cases while Cognism is built for sales calling.

2. Who are Cognism's biggest competitors?

Cognism competes primarily with ZoomInfo, Lusha, Apollo.io, and ReachStream in the B2B sales intelligence and data enrichment space. Each platform emphasizes different strengths. ZoomInfo focuses on database size, Lusha on simplicity, Apollo on all-in-one workflows, and ReachStream on affordability.

3. Is Cognism worth the price for CRM enrichment?

Cognism delivers strong value for teams prioritizing phone-verified contacts and EMEA coverage. However, teams focused primarily on email outreach or seeking budget-friendly options may find better ROI with alternatives like ReachStream.

4. What happened to Clearbit after the HubSpot acquisition?

HubSpot acquired Clearbit in late 2023 and rebranded it as Breeze Intelligence. The enrichment features are now integrated directly into HubSpot’s platform rather than offered as a standalone product. This limits options for teams using other CRMs.

5. Does ReachStream offer a free trial for CRM data enrichment?

Yes. ReachStream offers a free Icebreaker plan with no expiration and no credit card required. Teams can also claim 100 free leads to test data quality before purchasing.

Manohar Devdiga

Marketing professional with a Master’s degree in Marketing, specializing in SEO, content strategy, social media, performance marketing, prospecting, and demand generation.