The Best B2B Email List Providers for 2025
A B2B email list is a contact list that contains B2B email addresses. They can either be grown organically or they can be bought from a B2B email list provider. The former relies on manual prospecting to collect and collate data, whereas the latter automates the process, improving efficiency.
Scroll or use the menu below for the ultimate list of email providers, plus all the answers to the most frequently asked questions about B2B data lists 👇
1. Cognism
Cognism is the ideal provider to buy email lists from for B2B sales and marketing teams prospecting in multiple territories.
It offers an easy-to-use interface and accurate B2B data which makes it easy for teams to identify key accounts, hit quota faster and build a successful pipeline.
With the platform, you can generate leads based on set parameters, so you can ensure the emails you receive will fall within your total addressable market.
What’s more, Cognism email databases are compliant with GDPR and CCPA privacy laws, making Cognism as safe as it is effective.
Thanks to the Cognism Chrome extension, you can easily enrich LinkedIn profiles and Sales Navigator lists.
With Cognism, you’ll also get:
- Verified B2B emails to expand your email marketing audience.
- Phone-verified mobile number accuracy.
- Exclusive on-demand verified mobile and email dataset Diamond Data®.
- Unrestricted access to person and company-level data*.
- Instant and scheduled CRM enrichment and on-demand CSV enrichment.
- Intent data by Bombora.
- International coverage: EMEA, NAM, APAC.
- Cognism AI Search to find your prospects using ChatGPT-style textual or voice prompts.
- Easy platform setup.
- Integrations with CRMs and sales engagement tools.
- Focus on quality GDPR and CCPA-compliant data.
- Database checked and cleaned against global DNC lists.
- Fast and friendly support team.
*Subject to a generous fair usage policy
Test Cognism’s email database. Book a call 👇
What customers say:
Global Head of Revenue Operations @ComplyAdvantage
Cognism pricing
Packages
Packages suitable for individual prospecting with unrestricted views and individual & page-level exporting (up to 25 records at a time)* in all packages.
Flexible workflows
Custom packages with add-on credits for teams with operational workflows which need bulk-list building and exporting.
Global data
No extra charge for access to global and regional data — NAM, EMEA, and APAC included in all packages.
Premium add-ons
Phone-verified cell phone numbers (Diamond Data®) to connect you with 87% of your list and intent data powered by Bombora as add-ons.
2. Kaspr
Kaspr is an email list provider that offers instant access to emails so sales and marketing teams can build powerful and compliant B2B data lists.
Use it for individual prospecting on LinkedIn and automating LinkedIn outreach. It’s an affordable solution for recruiters and SDRs who need European contact data. It’s GDPR and CCPA aligned.
Kaspr has a LinkedIn Chrome extension that helps generate leads by displaying a prospect’s contact information the moment you visit their profile. You can also send your leads automated follow-up messages and enrich your B2B email database.
Here’s what you can expect to get from Kaspr:
- Free version.
- Contact enrichment from a LinkedIn people search, group or event.
- Seamless experience across the Chrome Extension and web app.
- Integrations with HubSpot, Pipedrive, Lemlist, Salesforce, and more.
- Data is checked and verified against 150 sources.
- 500M+ phone numbers and email addresses.
- Data coverage spans the US, Europe and APAC.
- GPDR and CCPA aligned.
- Lead organization using lists, notes, and tasks.
- LinkedIn outreach sequences.
- Lead management capabilities include tags, notes, and task creation.
- Team analytics.
- Request data with a waitlist.
For more details, take a look at the Kaspr pricing page.
3. Megaleads
With the promise of 97%+ accuracy, a minimum of 85% deliverability, and a low cost, MegaLeads is a solid provider of business contact lists.
MegaLeads claims to have one of the richest and most accurate USA executive databases, packed with full-record B2B prospects’ email addresses and phone numbers.
They offer 200 free leads to get started, plus a free trial with no credit card commitment.
4. Medicoleads
Medicoleads is an email list provider that connects marketers with healthcare professionals.
According to their website, they have the biggest, most reliable, and affordable medical mailing list - consisting of medical professionals from 120+ countries.
Medicoleads’ policies state 85% email deliverability and 95% accuracy on other data fields.
5. Blue Mail Media
Blue Mail Media’s data pool claims to have the ability to reach more than 100M B2B executives across multiple regions and industries.
They offer to design your email content, schedule campaigns, and track progress, providing end-to-end email marketing services.
The B2B email and mailing list provider configures its customised data according to industry, geographic region, demographics, and the size of the prospective market, among other factors.
Forget the rest. Test Cognism
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6. Thomson Data
Thomson Data is a B2B email list provider which follows GDPR-compliant practices.
They also offer some technology insights - such as cloud services, ERP, CRM, accounting, and productivity solutions.
7. ZoomInfo
ZoomInfo’s database offers extensive email addresses and firmographics. Like many email providers on our list, ZoomInfo pricing is credit-based.
While ZoomInfo has expanded its database into Europe, its global data and certain features come at an extra cost.
If you’re keen to expand your audience into Europe, the best email list providers are Kaspr for SMBs and Cognism for larger businesses.
Just ask Lead Forensics😉:
CEO @Lead Forensics
8. Lead411
Next on our list of email providers is Lead411. It provides verified contact and account information for lead generation.
The provider has functionality for refining searches with sales triggers and a Chrome Extension, making it easier to hit your monthly contact allocation.
However, it may get expensive due to the need to buy credits on plans other than its custom Unlimited package.
9. AeroLeads
AeroLeads offers a Chrome extension that can be used on LinkedIn, CrunchBase, AngelList, Xing, and more.
It’s similar to the Cognism Chrome Extension, which allows you to click on any LinkedIn profile and generate contact information.
AeroLeads also offers an email verifier tool for your email marketing lists.
10. CloudLead
CloudLead is a B2B email list provider that offers twenty free contacts. Its solution integrates directly into your CRM and claims to have 100% verification.
Expanding into new markets?
Drop manual processes and drive quality data adoption with Cognism’s AI search:
Find prospects even faster with AI Search
Cognism AI Search accelerates your route to revenue and supports your growth in new markets.
- Three routes to prospecting: text-to-command search, direct or account search and voice search.
- Voice search has multilingual support.
- Create B2B email lists brimming with quality data faster.
Psst - want to get better European data, but you’re stuck in a contract with ZoomInfo?
Cognism can help you exit your contract.
11. D&B Hoovers
If you’re looking for email lists for sales, D&B Hoovers™ is a good option because of its customisable list building. While its GDPR status is unclear, this tool does offer intent data.
12. Hunter.io
Hunter.io makes this email providers list because it has a database of business email addresses that are publicly available. It also automates email campaigns, but it doesn’t offer direct dials or intent data.
It’s a nice option if you want to automate your email outreach.
13. Snov.io
The last of our email list providers is Snov.io, a sales toolbox and CRM platform. Users can build B2B email lists, search through its lead database, or conduct a bulk domain search.
Snov.io also offers a Chrome extension, like Cognism and Kaspr, that helps you find emails on company websites, LinkedIn profiles, and other online sources.
If you want broad-coverage, high-accuracy, and compliant B2B email lists, then Cognism is for you.
James Ski, Founder and CEO of Sales Confidence, says about the platform:
“Overall, we saw a 104% increase in engagement rates compared to when we hadn’t used Cognism. Our website traffic over the campaign period increased by 255%. In total, Sales Confidence received 104 opportunities from Cognism. The platform is now an integral part of our growth mission.”
Not only does it help teams increase email engagement while bringing in more revenue opportunities, but it also:
- Assists email outreach with GDPR-compliant data lists for complete confidence.
- Includes unrestricted views and individual and page-level exporting.
- Offers global coverage and easy integration.
Whether you’re prospecting in EMEA, AMER, or any other territory, we ensure that dead ends don’t hold up your sales and marketing teams and that you can reach relevant decision-makers in high-value accounts.
Whether you’re looking to buy leads or an email list, there are a number of B2B email list providers to choose from. But while many promise to save sales reps time and improve efficiency, some include bad data that hampers prospecting. And ultimately, the less accurate your email list is, the less effective and time-consuming your cold outreach will be.
Here are some key criteria you should be aware of before assessing your options:
- Cost
- Additional features
- Data quality
- Compliance measures
- Sales triggers and company data
- Usability
There are different reasons to use B2B email lists, depending on your use case:
Sales
B2B sales teams waste a lot of time trawling the web to find prospect email addresses, which are often inaccurate and out of date.
Email lists, on the other hand, can provide sales reps with timely, verified B2B data that they can use to support their cold emailing efforts.
Using a compliant B2B email list, sales teams can increase meetings booked and grow pipeline in a record amount of time.
An example of this is when EdTech used Cognism’s validated B2B emails to create £5.8 Million of pipeline in a day!
Marketing
Every data-driven marketing team’s goal is to increase open rates and build a pipeline of quality MQLs. Promoting digital and physical events helps achieve and exceed marketing KPIs.
What’s more, quality B2B email lists for marketing help teams build their business contact database while speeding up the implementation and reach of campaigns.
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