Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · B2B Contact Data Providers

ZoomInfo vs 6sense

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score ZoomInfo #1 in B2B Contact Data Providers 9.3/10 Pricing on request ✓ 4 of 4 features Visit ZoomInfo
6sense #5 in B2B Contact Data Providers 8.8/10 Pricing on request ✓ 4 of 4 features Visit 6sense

ZoomInfo leads on 0 checks, 6sense on 1, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreZoomInfo · 9.3/10

ZoomInfo scores higher on our rubric for b2b contact data providers: 9.3 against 8.8 out of 10; our editors rank them #1 and #5.

6sense leads on contact database size: 4.5e+08 contacts versus 3.21e+08 contacts.

ZoomInfo is the better fit for enterprise revenue intelligence. 6sense is the better fit for account-based teams with predictive scoring.

  • ZoomInfo fits best

    Enterprise revenue intelligence

  • 6sense fits best

    Account-based teams with predictive scoring

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature ZoomInfo 9.3/10 Visit ↗ 6sense 8.8/10 Visit ↗
At a glance
Editor score 9.3 8.8
Ranking #1 in B2B Contact Data Providers #5 in B2B Contact Data Providers
Best for Enterprise revenue intelligence Account-based teams with predictive scoring
Pricing model Paid Paid
Starting price Pricing on request —
Free plan Not checked yet —
Free trial — —
Deployment Cloud Cloud, Browser extension
Platforms Web Web, Chrome extension
Support Docs Docs
Compliance GDPR SOC 2, ISO 27001, GDPR
Integrations 5 integrations 15 integrations
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features ZoomInfo 4/4 · 6sense 4/4
Direct-dial data ✓ ✓
Intent data ✓ ✓
Technographic filters ✓ ✓
API access ✓ ✓
Specs
Contact database size 3.21e+08 contacts 4.5e+08 contacts (best)
Monthly export limit Not checked yet Not checked yet
Our review
Pros
  • Searches across 300+ company attributes with firmographic and technographic filters
  • Combines direct dials, verified business emails, intent, and change alerts
  • Connects CRM enrichment, APIs, AI prioritization, and outreach recommendations
  • 450M-contact database with verified email and direct-dial data
  • Intent, technographic, persona, and buying-group discovery filters
  • APIs plus CRM, sales-engagement, and CSV export options
Cons
  • Its broad feature set may exceed the needs of basic list-building teams
  • Advanced workflows depend on fit with CRM, sales, and marketing systems
  • Contact-sales purchasing may require more evaluation than self-serve tools
  • Pricing requires a contact-sales conversation
  • Its broad revenue-intelligence scope may exceed basic lookup needs
  • Predictive scoring and buying-group workflows require a defined ABM process
Our verdict

ZoomInfo is a B2B go-to-market intelligence platform for sales, marketing, recruiting, and revenue operations teams. It combines contact and company search with direct-dial and verified business email data, organizational charts,…

Read the review →

6sense is a B2B revenue intelligence and sales intelligence platform for marketing and sales teams running account-based programs. Its Sales Intelligence product combines company and people search with buyer and account data acquisition,…

Read the review →
  1. ZoomInfoB2B Contact Data Providers 9.3Pricing on request
  2. 6senseB2B Contact Data Providers 8.8Pricing on request

Strengths and trade-offs

  • ZoomInfo — where it wins

    • Searches across 300+ company attributes with firmographic and technographic filters
    • Combines direct dials, verified business emails, intent, and change alerts
    • Connects CRM enrichment, APIs, AI prioritization, and outreach recommendations

    Where it doesn't

    • Its broad feature set may exceed the needs of basic list-building teams
    • Advanced workflows depend on fit with CRM, sales, and marketing systems
    • Contact-sales purchasing may require more evaluation than self-serve tools

  • 6sense — where it wins

    • 450M-contact database with verified email and direct-dial data
    • Intent, technographic, persona, and buying-group discovery filters
    • APIs plus CRM, sales-engagement, and CSV export options

    Where it doesn't

    • Pricing requires a contact-sales conversation
    • Its broad revenue-intelligence scope may exceed basic lookup needs
    • Predictive scoring and buying-group workflows require a defined ABM process
  • ZoomInfo9.3/10 · Pricing on request

    A broad revenue-intelligence platform for teams that need data, signals, and workflows.

    Visit ZoomInfoFull verdict →
  • 6sense8.8/10 · Pricing on request

    A data-rich choice for account-based teams that need predictive buying signals.

    Visit 6senseFull verdict →

More comparisons

All B2B contact data providers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update