Editorial Report • 2026 Edition

B2B Data Providers in 2026: 10 Contact and Enrichment Platforms Tested

We spent six weeks running real prospecting workflows through the leading B2B data providers, then compared coverage, accuracy, GDPR posture, and the real cost per record you can expect on a paid plan.

calendar_today Jun 2026

lab_profile 10 Providers Tested

verified 25,000+ Records Pulled

schedule 22 min read

By Harsh Shah, Founder at Mailsfinder. Updated June 21, 2026.

lightbulb Key takeaways

arrow_right Enterprise teams that need deep firmographic and intent data usually land on ZoomInfo or Cognism, with annual contracts starting around $15,000.
arrow_right Apollo.io remains the strongest single platform for self-service teams that want database access, sequences, and a dialer in one tool at roughly $59 to $149 per user.
arrow_right Cognism is the cleanest pick for GDPR-compliant outbound in the UK, EU, and Nordics, with notified data and consistent direct dials.
arrow_right RocketReach and Seamless.AI sit in the middle, with broad coverage and self-service pricing, though both show more bouncing and stale records than the enterprise options.
arrow_right UpLead and Lead411 are the strongest SMB and mid-market options, with clear pricing, decent accuracy guarantees, and no aggressive seat minimums.
arrow_right Clearbit (now HubSpot Breeze) only makes sense if you already live inside HubSpot Sales Hub Pro or higher, since the data layer is now bundled.
arrow_right If you only need verified emails, Mailsfinder gives you the lowest cost per record we measured, with a $9.99 monthly plan covering 300,000 credits and a $249 lifetime option for solo founders.

Jump to a Provider

1. ZoomInfo 2. Apollo.io 3. Lusha 4. Cognism 5. Clearbit / HubSpot Breeze 6. RocketReach 7. Seamless.AI 8. Lead411 9. UpLead 10. Mailsfinder

How we tested • Comparison table • Category kings • Pricing breakdown • FAQ

How we tested these providers

Every provider was tested against the same 500-account ICP list across North America and EMEA. We measured coverage, freshness, bounce rates, enrichment fill rate, and the real cost of a usable record on each plan tier.

database

Database coverage

Total profiles available and depth across regions, industries, and seniority levels.

verified

Accuracy and freshness

Bounce rate on emails, hit rate on direct dials, and how often records are refreshed.

policy

Compliance posture

GDPR, CCPA, and notified data workflows for EU and UK outbound programs.

trending_up

Intent and signals

Quality of buyer intent feeds, technographic data, and trigger events available out of the box.

api

Enrichment API

Fill rate when enriching from a domain or LinkedIn URL, plus API stability and rate limits.

handshake

Integrations

Native connections to Salesforce, HubSpot, Outreach, Salesloft, and modern sequencers.

payments

Pricing transparency

Whether published pricing matches the real quote, with no hidden seat minimums or module gates.

forum

Support and reviews

G2 and Capterra ratings, plus how quickly real support tickets get resolved.

Master comparison table

Rank	Provider	Price Starts	Database Size	Intent Data	API	Best For	Rating
#1	ZoomInfo	$15K+/yr	95M+ contacts	Built-in	check_circle	Enterprise sales	4.5 (G2) star
#2	Apollo.io	$59-149/user	275M+ contacts	Built-in	check_circle	All-in-one outbound	4.7 (G2) star
#3	Lusha	$39-79/user	100M+ profiles	Limited	check_circle	Direct dials, LinkedIn	4.4 (G2) star
#4	Cognism	Custom	Diamond verified	Built-in	check_circle	EU and UK outbound	4.6 (G2) star
#5	Clearbit / Breeze	Bundled with HubSpot	Enrichment graph	Available	check_circle	HubSpot stacks	4.4 (G2) star
#6	RocketReach	$39-249/mo	700M+ profiles	Limited	check_circle	Recruiters, founders	4.5 (G2) star
#7	Seamless.AI	$147/user (Pro)	AI-discovered	Limited	check_circle	Real-time discovery	4.2 (G2) star
#8	Lead411	$99-149/user	SMB-weighted	Built-in	check_circle	SMB outbound	4.5 (G2) star
#9	UpLead	$99-199/mo	Verified at search	Limited	check_circle	Mid-market clean data	4.7 (G2) star
#10	Mailsfinder	$9.99/mo or $249 lifetime	Email-focused	No	check_circle	Verified email layer	4.8 (G2) star

ZoomInfo

Enterprise contact database + intent

Few platforms hold the enterprise B2B data crown as firmly as ZoomInfo. Sitting at over 95 million verified business contacts, it pairs deep firmographics with strong intent feeds, direct dials, and tight Salesforce integration. Pricing usually starts around $15,000 per year and scales with seats, modules (Sales, Marketing, Talent, Operations), and the volume of credits you actually use. For large RevOps teams running account-based programs, it is still the safest default.

Key features

check

95 million verified contacts across 100 million companies

check

Intent data on 4,500+ topics, refreshed weekly

check

Native Salesforce, HubSpot, Outreach, and Marketo connectors

check

Chorus conversation intelligence built into the suite

Pros

check_circleDeepest mid-market and enterprise coverage tested
check_circleStrong intent, scoops, and trigger data
check_circleBest-in-class Salesforce integration

Cons

cancelAnnual contracts start around $15,000
cancelPricing depends on modules and seat tiers
cancelOverkill for solo founders and small teams

"ZoomInfo is the single most expensive line in our sales stack, and also the one nobody on the team wants to give up."
RevOps Director, Series C SaaS via G2

$15K+/yr starter 95M+ contacts 4.5 G2 (7500+ reviews)

Apollo.io

All-in-one sales platform

Among self-service B2B data tools, Apollo.io has become the default pick for founders, SDR teams, and growth marketers. Its database holds over 275 million contacts and pairs that with sequences, a dialer, AI writing, and meeting booking inside the same tool. Pricing runs from $59 to $149 per user per month, which keeps it accessible to seed-stage startups while still scaling into mid-market. If you want one platform that covers data, outreach, and pipeline, this is usually the starting point. See our deeper take in the Apollo.io alternative breakdown.

Key features

check

275 million plus contacts across 73 million companies

check

Built-in sequences, dialer, and meeting scheduler

check

Chrome extension for LinkedIn and live web prospecting

check

Free plan with 10,000 email credits per month

Pros

check_circleOne tool covers data, outreach, and dialing
check_circleGenerous free tier for solo founders
check_circleStrong G2 rating with over 8,000 reviews

Cons

cancelData quality slips on senior EU contacts
cancelEmail credits cap on lower tiers
cancelDialer features lag dedicated platforms

"Replaced two tools and a contractor with Apollo. Coverage is not perfect, but the workflow saved us about 12 hours a week."
Head of Growth, B2B SaaS via G2

$59-149/user/mo 275M+ contacts 4.7 G2 (8K+ reviews)

Lusha

LinkedIn data, direct dials

Reps who live inside LinkedIn Sales Navigator consistently rank Lusha as their go-to enrichment layer. Over 100 million profiles, strong phone coverage, and a clean Chrome extension make it ideal for click-and-pull workflows. Pricing runs from roughly $39 to $79 per user per month, with credits tiered by plan. Lusha also publishes GDPR and CCPA compliance documentation, which makes it easier to defend to EU buyers than most US-only databases.

Key features

check

100 million plus business profiles globally

check

Chrome extension for LinkedIn enrichment

check

Published GDPR and CCPA compliance posture

check

Native HubSpot, Salesforce, and Outreach connectors

Pros

check_circleStrong direct dial accuracy in tests
check_circleClean Chrome extension for LinkedIn workflows
check_circleClear GDPR documentation for EU teams

Cons

cancelCredits run out quickly on bulk pulls
cancelIntent and trigger data are limited
cancelCoverage thinner on APAC contacts

"Lusha is the only enrichment tool that consistently gets us a real mobile number on European contacts."
SDR Lead, UK fintech via G2

$39-79/user/mo 100M+ profiles 4.4 G2 (~1,500 reviews)

Cognism

GDPR-compliant data, intent

If your outbound program lives in the UK or EU, Cognism deserves a serious look. Its Diamond Data layer is phone-verified, the platform is built with notified data and GDPR workflows from the ground up, and intent data is included on most plans. Pricing is custom and tends to start higher than self-service tools, but the EU coverage and compliance posture pay back quickly for regulated industries. G2 ratings sit at 4.6 with roughly 700 reviews.

Key features

check

Phone-verified Diamond Data records

check

Notified data workflows for GDPR markets

check

Bombora-powered intent included on most plans

check

Salesforce, HubSpot, Outreach, Salesloft integrations

Pros

check_circleStrongest EU and UK contact coverage tested
check_circleCompliance posture is enterprise-grade
check_circleDiamond Data phone numbers held up in tests

Cons

cancelPricing is custom and not transparent
cancelNorth America coverage thinner than ZoomInfo
cancelAnnual commit usually required

"Cognism is the only provider that stood up to our DPO's questions on day one. Coverage on UK and DACH is also a step above what we had before."
VP Sales, EU SaaS via G2

Custom pricing Diamond Data verified 4.6 G2 (~700 reviews)

Clearbit / HubSpot Breeze

Enrichment for HubSpot stacks

Once a standalone enrichment leader, Clearbit is now bundled with HubSpot as part of Breeze Intelligence. For teams already running HubSpot Sales Hub Pro or higher (starting around $100 per user), Breeze adds firmographic and technographic enrichment, intent signals, and reveal on anonymous web traffic. The pure standalone API access has shrunk, so if you do not live inside HubSpot the value is harder to justify. Legacy G2 ratings sit around 4.4.

Key features

check

Firmographic and technographic enrichment graph

check

Reveal on anonymous website traffic

check

Tight integration with HubSpot workflows and lists

check

Buyer intent signals tied to HubSpot records

Pros

check_circleBundled into HubSpot Sales Hub Pro and above
check_circleClean enrichment graph for inbound forms
check_circleReveal converts anonymous traffic into accounts

Cons

cancelStandalone API access has shrunk post-acquisition
cancelOnly useful if you already run HubSpot
cancelLess people-data depth than ZoomInfo or Apollo

"Breeze pays for itself the moment your HubSpot forms start auto-completing with company size, tech stack, and industry."
Marketing Ops Lead, B2B SaaS via G2

Bundled with HubSpot Pro $100+/user Enrichment-first 4.4 G2 (legacy)

RocketReach

Contact discovery, profiles

Recruiters and founders often discover RocketReach before any other B2B database, and the reason is the size of the profile index. Over 700 million profiles, simple monthly plans from $39 to $249, and a Chrome extension make it easy to find an email or phone number for almost any professional. The depth on firmographics and intent is lighter than ZoomInfo, but for one-off contact lookups it is fast and predictable. G2 rates it 4.5 across roughly 700 reviews.

Key features

check

700 million plus professional profiles indexed

check

Chrome extension for LinkedIn lookups

check

Bulk lookups and team plans

check

API for enrichment and search

Pros

check_circleMassive profile index for niche searches
check_circleStraightforward self-service pricing
check_circleUseful for recruiters as well as sales

Cons

cancelHigher bounce rates on senior contacts
cancelIntent and trigger data are minimal
cancelPlan limits cap heavy daily users

"For one-off contact pulls outside of our usual ICP, RocketReach gives me a hit when nothing else does."
Founder, B2B agency via G2

$39-249/mo 700M+ profiles 4.5 G2 (~700 reviews)

Seamless.AI

AI-driven contact discovery

Seamless.AI takes a different approach to data sourcing. Rather than maintain a static index, it uses AI to discover and verify contact information in real time, then writes the result back into your CRM. The Pro plan lands at $147 per user per month and includes daily credits, autopilot list-building, and Chrome extension access. G2 ratings sit around 4.2 across roughly 1,500 reviews, with the loudest critique being credit consumption.

Key features

check

Real-time AI contact discovery

check

Autopilot list-builder and writer

check

Chrome extension on LinkedIn and the open web

check

Salesforce and HubSpot integrations

Pros

check_circleReal-time discovery beyond a static index
check_circleDaily credit refresh on paid plans
check_circleStrong on niche or new companies

Cons

cancelCredit usage is hard to predict
cancelAccuracy varies more than indexed databases
cancelSupport tickets resolve slowly per reviews

"When we sell into newer companies that no one else has indexed yet, Seamless still pulls real contact info. Outside that use case, the value drops."
SDR Manager, B2B services via G2

$147/user/mo (Pro) Real-time discovery 4.2 G2 (~1,500 reviews)

Lead411

SMB-focused B2B database

SMB and lower mid-market teams that find ZoomInfo too heavy often settle on Lead411. Pricing runs from $99 to $149 per user per month, with no aggressive seat minimums and a published unlimited contact policy on higher tiers. The database leans toward SMB and growth-stage companies, and intent data is included on paid plans. G2 ratings sit at 4.5 across about 470 reviews.

Key features

check

Unlimited contact downloads on Pro tier

check

Bombora-powered buyer intent included

check

SMB-weighted firmographic data

check

CRM and outreach integrations included

Pros

check_circleNo seat minimum, no annual lock-in required
check_circlePricing transparent on the website
check_circleIntent data bundled on most plans

Cons

cancelEnterprise coverage is thinner than ZoomInfo
cancelUI feels dated compared to Apollo and Lusha
cancelEU coverage trails Cognism in tests

"Lead411 gives us 80 percent of what ZoomInfo offered for a fraction of the cost. The intent data alone has paid for the plan."
Sales Director, B2B SaaS via G2

$99-149/user/mo SMB-weighted 4.5 G2 (~470 reviews)

UpLead

Verified mid-market data

UpLead carved out its niche by leading with a 95 percent accuracy guarantee, validated at the moment of search rather than relying on stale indexes. Plans run from $99 to $199 per month, with credits, technographics, and intent data layered into the higher tiers. G2 ratings sit at 4.7 across roughly 750 reviews, which is among the higher scores for a mid-market data tool.

Key features

check

95 percent accuracy guarantee on records

check

Real-time email verification at search

check

Technographic filters on company search

check

Salesforce, HubSpot, and Pipedrive sync

Pros

check_circleStrong published accuracy guarantee
check_circleClean, simple UI for fast searches
check_circleTechnographic filters worked well in tests

Cons

cancelTotal database smaller than ZoomInfo or Apollo
cancelNo native sequencer or dialer
cancelCredit caps tight on the entry plan

"Our bounce rate dropped from 8 percent to under 2 percent the month we switched to UpLead. That alone justified the price."
Marketing Lead, B2B SaaS via G2

$99-199/mo 95% accuracy guarantee 4.7 G2 (~750 reviews)

Mailsfinder

Email finder + verifier

Sitting at the data-layer end of the stack, Mailsfinder solves one job well: turning a name and a domain into a verified email at the lowest cost we measured. The $9.99 monthly plan includes 300,000 credits, and a $249 lifetime plan exists for founders and lean teams. The platform pairs the finder with a built-in verifier, an API, and bulk uploads, which makes it a practical drop-in data layer behind Apollo, Instantly, Smartlead, or any modern sequencer. You can also use it standalone via the email finder tool.

Key features

check

300,000 credits per month on the $9.99 plan

check

Email finder and verifier in one platform

check

REST API and CSV bulk enrichment

check

$249 lifetime plan for solo founders

Pros

check_circleLowest cost per verified record we measured
check_circleLifetime plan removes recurring data spend
check_circleAPI and CSV cover most enrichment workflows

Cons

cancelNo phone numbers or intent data
cancelNo native sequencer or dialer
cancelNewer brand, smaller review base than ZoomInfo

"We dropped two enrichment vendors and now pipe Mailsfinder into Smartlead. Same volume, fraction of the bill."
Founder, outbound agency via G2

$9.99/mo (300K credits) $249 lifetime plan 4.8 G2

The category kings

corporate_fare

Best for enterprise sales

Large RevOps teams with deep Salesforce stacks and intent-driven ABM programs.

Our pick ZoomInfo

Also strong Cognism

rocket_launch

Best for all-in-one outbound

Founders and SDR teams that want data, sequences, and dialing in one tool.

Our pick Apollo.io

Also strong Lead411

shield

Best for GDPR-compliant outbound

UK and EU teams that need notified data and clean opt-out workflows.

Our pick Cognism

Also strong Lusha

call

Best for direct dials

Reps who live on the phone and rely on mobile and direct numbers.

Our pick Lusha

Also strong Cognism

hub

Best for HubSpot stacks

Marketing-led teams running inbound and enrichment inside HubSpot.

Our pick Clearbit / Breeze

Also strong UpLead

savings

Best for low-cost email layer

Lean teams that need verified emails behind sequencers like Smartlead or Instantly.

Our pick Mailsfinder

Also strong RocketReach

Pricing breakdown: what you actually pay

We compared the entry plan, credits, and cost per usable record across all 10 providers.

Provider	Free Plan	Starter Price	Credits Included	Cost Per Record	Verification
ZoomInfo	No	$15,000+/yr	Custom credit pool	$0.15+*	Built-in
Apollo.io	Free tier, 10K credits/mo	$59/user/mo	~12,000	$0.05*	Built-in
Lusha	5 credits/mo	$39/user/mo	~480/yr	$0.81*	Built-in
Cognism	No	Custom (mid 5 figures)	Unrestricted views	$0.10+*	Built-in
Clearbit / Breeze	Bundled, no standalone	$100+/user/mo (HubSpot)	Plan-tied	$0.08*	Available
RocketReach	5 lookups/mo	$39/mo	125	$0.31*	Built-in
Seamless.AI	50 credits	$147/user/mo (Pro)	Daily refresh	$0.07*	Built-in
Lead411	7-day trial	$99/user/mo	Unlimited (fair use)	$0.04*	Built-in
UpLead	7-day trial, 5 credits	$99/mo	170	$0.58*	Built-in
Mailsfinder	100 credits/day free	$9.99/mo	300,000	$0.00003*	Built-in

*Cost per record is calculated from the entry plan price divided by included monthly credits. Real cost depends on your usage, region, and whether your plan includes verification, phones, or intent. ZoomInfo and Cognism pricing is illustrative since both quote custom annual contracts. Mailsfinder includes a $249 lifetime plan that lowers the long-term cost further.

info

Note: Cost per record varies significantly depending on plan tier, what you actually pull (email, phone, firmographic), and whether credits roll over. Always calculate the real cost against your monthly volume, not the cheapest advertised rate.

Frequently asked questions

What is a B2B data provider? expand_more

A B2B data provider is a platform that supplies verified business contact and company information for sales, marketing, and recruiting teams. Providers like ZoomInfo, Apollo.io, Cognism, and Lusha maintain databases of professional emails, direct phone numbers, job titles, firmographics, and intent signals. Some focus on enterprise depth, others focus on affordable self-service access. Mailsfinder fits on the data-layer side of the stack, providing verified email addresses on demand at a low per-record cost.

How much do B2B data providers cost in 2026? expand_more

Pricing in 2026 spans a wide range. Self-service tools like RocketReach and UpLead start at roughly $39 to $99 per month. Mid-market platforms like Apollo.io and Lusha land between $59 and $149 per user per month. Enterprise providers like ZoomInfo and Cognism typically start at $15,000 per year and scale based on seats and modules. Mailsfinder sits at the low end with a $9.99 monthly plan and a $249 lifetime option for teams that mainly need verified emails.

Which B2B data provider has the most accurate contact data? expand_more

Accuracy depends on the segment you target and how recent the records are. ZoomInfo and Cognism are usually strongest in mid-market and enterprise data, especially for direct dials and intent signals. Apollo.io is generally accurate at scale across SMB and mid-market. UpLead publishes a 95 percent accuracy guarantee that holds up well in tests. For email verification specifically, Mailsfinder runs records through a verification layer before delivery, which keeps bounce rates low even when the source data is older.

Is Apollo.io better than ZoomInfo? expand_more

It depends on what you need. Apollo.io is better for self-service teams that want a single tool covering prospecting, sequencing, and dialing at a per-user price. ZoomInfo is better for large enterprise sales orgs that need deep firmographic data, intent feeds, and tight integrations with Salesforce and Marketo. Many teams use Apollo.io for daily prospecting and layer ZoomInfo onto their highest-value accounts when budget allows.

What is the difference between a B2B contact database and a B2B enrichment tool? expand_more

A B2B contact database lets you search and export records (people, companies, phones, emails) that already sit inside the provider's index. An enrichment tool takes a partial record you already have, like a domain or a LinkedIn URL, and fills in the missing fields. Most modern platforms do both, but the emphasis differs. ZoomInfo, Apollo.io, and Lusha lead with database access. Clearbit (now HubSpot Breeze) and Dropcontact lead with enrichment. Mailsfinder focuses on email enrichment, returning a verified address from a name and domain.

Are B2B data providers GDPR compliant? expand_more

Cognism is the most explicitly GDPR-focused provider, with notified data and clear opt-out workflows for European contacts. Lusha publishes GDPR and CCPA compliance documentation and is widely used by EU teams. ZoomInfo and Apollo.io both support compliant workflows, but coverage of opted-out EU contacts varies by region. If GDPR is a hard requirement for your outbound program, Cognism, Lusha, and Dropcontact are usually the safer starting points.

What is the cheapest B2B data provider? expand_more

On a pure cost-per-verified-record basis, Mailsfinder is among the cheapest options in 2026. Its $9.99 monthly plan includes 300,000 credits, which puts the cost per email well below most competitors. RocketReach and Seamless.AI also have entry plans under $50 per month. Apollo.io has a free plan that covers small teams getting started. For enterprise volume, Lead411 and UpLead are usually the most economical mid-market options.

Do I need a B2B data provider if I already use LinkedIn Sales Navigator? expand_more

Sales Navigator is strong for search, account research, and warm relationship signals, but it does not give you verified email addresses or direct phone numbers in bulk. Most teams pair Sales Navigator with a data provider that turns LinkedIn profiles into outreach-ready records. Lusha, Kaspr, and Mailsfinder all integrate with LinkedIn for that exact workflow. If your outbound motion runs on email and phone, a data provider is still required even with Sales Navigator.

How do I choose the right B2B data provider for my team? expand_more

Start with the segment you sell into, the region you target, and the channel you run outreach on. Enterprise sales teams in North America usually pick ZoomInfo or Cognism. Mid-market and SMB teams running multichannel outbound usually pick Apollo.io, Lusha, or Lead411. European teams with strict compliance needs lean toward Cognism. Teams that only need verified emails at low cost can run Mailsfinder as a standalone data layer or as an enrichment step inside another stack. Always run a paid trial against your real ICP before signing an annual contract.

Try Mailsfinder free

Start with 100 free credits per day. Plug verified emails into Apollo, Smartlead, Instantly, or your own stack at a fraction of enterprise data prices.

Start free trial Talk to Sales

No credit card required • 100 free credits/day • Cancel anytime