Best Free B2B Contact & Company Data Tools (2026)
A free contact-data tool is only useful if the free tier is real, not a three-day tease. Apollo gives 10,000 email credits a month with no card required, enough to run early outbound before you pay for anything.
Our Pick for Free: Apollo.io
Apollo's free tier gives you 10,000 email credits per month plus basic sequencing and a dialer. No credit card, no time limit. Most free data tools cap you at 50-100 lookups. Apollo gives you 10K.
Read Full Review →What Free Should Prioritize in B2B Data
If you want B2B contact data for free, Apollo.io is the one to start with. Its free plan hands you a real allowance of email credits per month (currently in the 100-credit-per-month range after a few generous-plan changes), plus access to the 270M+ contact database and basic sequencing. That's enough to build a few hundred-prospect lists, pull verified work emails, and test outbound before you pay a cent. Lusha's free tier is smaller (around 5 credits/month) but it's handy for mobile numbers Apollo won't reveal for free. RocketReach gives you a tiny taste, usually a handful of lookups, then walls everything.
Know exactly what the free tier hides. On Apollo free, the cap isn't just credits; phone numbers, advanced filters, and bulk export are the real paywall. You can view a verified email but exporting 1,000 rows to CSV needs a paid seat. Lusha free reveals direct dials but only a few per month, and it nags you to invite teammates to earn more. The honest read: free B2B data is great for picking specific accounts and grabbing 50-200 contacts a month. It falls apart the moment you need volume, mobile numbers, or list exports your reps actually work from.
The upgrade trigger is volume and phones. Once your monthly prospecting passes a few hundred contacts, or your reps demand mobile numbers for cold calling, the free credit ceiling becomes the bottleneck. Apollo's Basic paid tier (roughly $49/user/mo) lifts credits and unlocks export, which is where most teams land first. Resist the jump to ZoomInfo or Cognism early; those carry $15K+/yr minimums and annual lock-in. Smooth-ai and similar AI-search tools also offer free trials, but their data depth doesn't match Apollo. For most free-tier seekers, Apollo paid is the natural next step, not an enterprise contract.
Free vs cheap-paid comes down to honesty about your motion. If you send a dozen tailored emails a week to named accounts, Apollo free plus a manual Lusha pull covers you indefinitely. If you're running real outbound with multiple reps, the math flips fast: stacking free accounts to dodge credit limits wastes more hours than a $49 seat costs. Don't burn a week creating five throwaway Apollo logins. The free tier is a genuine product for founders and solo sellers, and a trial-with-training-wheels for teams who will outgrow it within a quarter.
Apollo.io
B2B Contact & Company DataBest value in B2B data. Combines a 270M+ contact database with built-in sequencing at a fraction of ZoomInfo's price.
Read Full Breakdown →Lusha
B2B Contact & Company DataLightweight prospecting tool with solid direct dial data. Good for individual reps, but lacks the depth of full-platform solutions.
Read Full Breakdown →Seamless.AI
B2B Contact & Company DataReal-time contact search with aggressive pricing. Data quality is inconsistent. Some reps love it, others find too many bounces.
Read Full Breakdown →RocketReach
B2B Contact & Company DataSolid email finder with decent coverage. Works well for one-off lookups but doesn't match Apollo or ZoomInfo for team-scale prospecting.
Read Full Breakdown →Cognism
B2B Contact & Company DataEuropean-first B2B data with strong GDPR compliance. Diamond Data phone-verified contacts are effective for outbound calling.
Read Full Breakdown →Frequently Asked Questions
What's the best free B2B data tool?
Apollo.io. 10,000 email credits per month, basic sequencing, and a dialer. No credit card required, no time limit. It's the most generous free tier in B2B data.
Are free B2B data tools accurate?
Free tiers generally have the same data quality as paid plans. Apollo's free data accuracy is identical to its paid tiers. The limits are on volume, not quality.
Can you run cold outbound on just free tools?
Yes. Apollo (free data + sequences) and HubSpot (free CRM) give you a complete outbound stack at zero cost. Add Fireflies for free call recording. The limits are real but workable for 1-2 reps.
Is there a truly free B2B contact data tool?
Yes. Apollo.io has the strongest free plan, with a monthly allowance of email credits and full access to its 270M+ contact database. Lusha offers a smaller free tier that's useful for direct-dial mobile numbers. Neither requires a credit card to start, so you can build real prospect lists for free.
What are the limits of Apollo's free plan?
The free plan caps your monthly email credits and limits phone-number reveals heavily. Bulk CSV export, advanced filters, and most mobile numbers sit behind the paid tiers. It's plenty for grabbing a few hundred verified emails a month, but exporting large lists or cold-call dialing requires an upgrade.
Can I get verified work emails without paying?
Apollo's free tier reveals verified work emails within your monthly credit allowance, and that data quality is solid. The catch is the credit ceiling and the export wall. For under a few hundred contacts a month it's genuinely free; past that, you'll hit the limit and need a paid seat.
When does the free tier stop being enough?
When you need volume (hundreds of exported contacts), mobile phone numbers for calling, or multiple rep seats. At that point Apollo's Basic plan around $49/user/mo is the sane next step. Avoid jumping straight to ZoomInfo or Cognism, which lock you into $15K+ annual contracts you don't need yet.
Reviewed by Rome Thorndike. Last verified 2026-06-03.
Pricing, features, and ratings are based on vendor documentation, public filings, product demos, and feedback from sales teams using these tools in production. We update reviews when vendors ship major releases or change pricing.