Get Started
Buyer's Guide · 2026

Best B2B Email Databases in 2026 - Top 7 Compared

B2B email databases promise millions of verified addresses, but deliverability is what actually matters. We tested the top 7 by real-world bounce rate.

TL;DR:
  • Best deliverability: Evascrape, real-time + SMTP verified
  • Largest static DB: ZoomInfo (~321M contacts)
  • Best free tier: Apollo
Try the Top Pick Free

What Is a B2B Email Database?

A B2B email database is a commercial dataset of business email addresses with associated contact metadata (name, title, company, phone). Sales teams use them for cold email campaigns, account-based marketing, and lead enrichment. The biggest databases (ZoomInfo, Apollo, Cognism) maintain hundreds of millions of records refreshed periodically. Smaller specialized databases (Hunter, Lusha) focus on specific segments. The shared problem: cached emails age. Records that were verified six months ago bounce when you send today. Modern alternatives like Evascrape extract emails live and verify via SMTP at extraction time, eliminating the staleness problem.

How We Tested These Tools

We tested each database with 500-email samples per tool across 3 segments:

  • Bounce rate (real deliverability vs claimed accuracy)
  • Verification methodology (SMTP vs syntax vs catch-all)
  • Pricing per verified email at typical volume
  • GDPR posture for EU email records
  • Database refresh frequency

Top 7 B2B Email Databases

#1: Evascrape TOP PICK

Price: $12/1K emails
Free trial: Yes
Best for: Real-time email extraction

Evascrape is the modern alternative to subscription B2B email databases. Pull verified emails live from LinkedIn, Apollo, and Google Maps at extraction time, with SMTP verification on every record. Pay-per-email, no subscription.

Pros:

  • Real-time emails (no database lag)
  • SMTP-verified before delivery
  • Pay-per-email pricing
  • Three sources combined

Cons:

  • Not a static database, extraction-based workflow
  • No historical email archive

Verdict: Best alternative to subscription B2B email databases for teams that prioritize deliverability and freshness.

Try Free

#2: ZoomInfo

Price: $15K+/yr
Free trial: No
Best for: Largest enterprise database

~321M business contacts including emails. Premium intent data + technographics. See ZoomInfo alternative.

Pros:

  • Largest enterprise email database
  • Strong intent signals
  • Mature integrations

Cons:

  • $15K+/yr
  • Annual contract
  • Personal email coverage thinner than Apollo

Verdict: Best enterprise email database for ABM at scale.

#3: Apollo.io

Price: $0 / $49+/seat
Free trial: Yes
Best for: Self-serve, personal emails

~275M contacts with strong personal-email coverage and self-serve access. See Apollo alternative.

Pros:

  • Best personal-email coverage
  • Self-serve, free tier
  • Unified prospecting + sequencing

Cons:

  • Annual export caps
  • Cached data drifts

Verdict: Best self-serve email database for SMB to mid-market.

#4: Hunter.io

Price: $0 / $49-499/mo
Free trial: 25 searches
Best for: Domain-based finding

Specialized email finder built around domain search. Excellent UX. See Hunter.io alternative.

Pros:

  • Best email finder Chrome extension
  • Self-serve, free tier
  • Reasonable pricing

Cons:

  • Domain-only, no LinkedIn coverage
  • Not a real database

Verdict: Best for one-off domain-based lookups.

#5: Lusha

Price: $0 / $39+/seat
Free trial: 5 credits
Best for: EU emails + mobiles

EU-strong email + mobile-phone database with clean GDPR posture. See Lusha alternative.

Pros:

  • Strong EU email coverage
  • Mobile-direct phone bonus
  • Self-serve

Cons:

  • Per-credit rationing
  • Per-seat licensing

Verdict: Best EU self-serve email database.

#6: Cognism

Price: $15K+/yr
Free trial: No
Best for: EU enterprise emails

Enterprise EU email database with strongest compliance posture and Diamond Verified phones.

Pros:

  • Strong EU email accuracy
  • Best GDPR posture
  • Mature enterprise integrations

Cons:

  • Enterprise pricing
  • Annual contract

Verdict: Best for enterprise EU email outbound.

#7: Adapt.io

Price: $50-300/mo
Free trial: Limited
Best for: Industry-specific emails

Mid-tier B2B email database with strong industry segmentation, popular with SaaS sales teams.

Pros:

  • Strong industry filters
  • Reasonable pricing
  • API access

Cons:

  • Smaller database than majors
  • Per-seat structure

Verdict: Best for industry-specific outbound at mid-market scale.

Comparison Table, All Top Tools

Feature EvascrapeZoomInfoApollo.ioHunter.ioLushaCognismAdapt.io
Starting price $12/1K emails$15K+/yr$0 / $49/seat$49/mo$39/seat$15K+/yr$50/mo
Database size Public web + LinkedIn~321M~275MDomain-based~150M~150M EU~275M
Verification method Real-time SMTPCached + SMTP add-onCached basicSMTP per-searchCached basicDiamond verifiedCached basic
Avg deliverability 90%+85%85%85% (domain)85%90%80%
EU strength YesStrongYesYesStrongBestYes
Annual contract NoneRequiredOptionalOptionalOptionalRequiredOptional
Start with Free Credits

How to Choose the Right Best B2B Email Database

Real Deliverability Beats Marketed Accuracy

Vendors claim 95% accuracy; real bounce rates are often 10-15%. Always test on a 500-email sample before committing.

Real-Time vs Cached

Real-time extraction (Evascrape) avoids the 30-90 day staleness problem. Cached databases offer broader firmographic enrichment.

Email Verification Methodology

SMTP verification beats syntax-only verification. Built-in beats add-on. Real-time beats cached.

EU vs Global

For EU-only outbound, prefer Cognism, Lusha, or Evascrape. For global, all majors work.

Personal vs Business Emails

Apollo and Evascrape have stronger personal-email coverage. ZoomInfo and Cognism focus on business emails.

Common Best B2B Email Database Mistakes

Sending Without Pre-Send Verification

Bounce rate above 5% damages sender domain reputation across the entire team. Always verify before send.

Trusting Database Refresh Claims

Vendors claim "monthly refresh" but most updates are concentrated on top accounts. Long-tail records age much faster.

Ignoring Personal Email Coverage

For SMB and startup outreach, personal emails (Gmail, Outlook) often outperform corporate emails. Some databases under-cover this.

Over-Buying Database Tier

Most teams buy Pro tier and use 30% of credits. Pay-per-email aligns spend with actual usage.

Final Verdict, Our Top Pick

For Most Teams: Evascrape

Real-time extraction with SMTP verification on every email. Pay-per-email economics scale with usage. 90%+ deliverability beats most cached databases.

For Largest Database: ZoomInfo

If you need ~321M contacts and have $15K+/year budget, ZoomInfo is the deepest commercial email database.

For EU: Cognism

Best EU-specific email database with Diamond Verified accuracy and the cleanest GDPR posture.

Start with Evascrape

Frequently Asked Questions

How accurate are B2B email databases?

Marketed: 95%+. Real-world without re-verification: 70-85%. Real-time tools with SMTP verification (Evascrape) maintain 90%+.

Are B2B email databases legal?

Yes for publicly available business emails under GDPR/CCPA, with proper opt-out flow. Personal-email outreach has stricter requirements.

How much does a B2B email database cost?

Pay-per-email: $0.012/email. SMB subscriptions: $39-119/seat/month. Enterprise: $15K-$50K+/year.

Should I buy emails or scrape them?

Cached databases offer enrichment depth. Live scraping offers freshness. Many teams use both, database for known accounts, scraping for net-new.

What is the best free B2B email database?

Apollo offers the most usable free tier. Hunter offers 25 free searches/month. Evascrape offers free credits on signup.

How often should I re-verify B2B emails?

Every 30-60 days for active campaigns. Real-time tools eliminate the need for re-verification.

Are personal emails OK for cold outreach?

Personal emails (Gmail, Outlook) work but face stricter spam filters. For best deliverability, send business emails when available, personal as backup.

Skip the Cached Email Database

Try Evascrape, real-time emails, SMTP verified, free credits.

Start with Evascrape