Top 10 B2B Data Providers of 2025: The Ultimate Vendors Fueling Your Growth

You'd know that the demand for high-quality data is a hot topic of 2025. But how'd you know which one is the best for your industry/business?

Guess. We'll have to find out! So ladies and gentlemen, Go4Database family provides you with this guide, that consists of the Top 10 B2B Data Providers of 2025.

However, ZoomInfo's President, Sam Zales, emphasized the importance of accurate B2B data in a 2011 press release:

"That companies are just living with obsolete data is startling. Sales teams need to be selling, not hunting for current data." www.businesswire.com  

What is B2B Data Provider?

A B2B data provider supplies accurate, verified business information—such as company details, contacts, and firmographics—to help organizations identify leads, target decision-makers, and enhance sales and marketing strategies. They enable smarter outreach and data-driven business growth.

However, before starting, we need to know a little here and there!!! Like what's a Data Vendor or What's a Data Provider? 

Data Vendors: They specialize in refining and packaging data for sale. Their business model is primarily sales-oriented, often focusing on meeting specific market demands.

Data Providers: They act as intermediaries, offering access to aggregated datasets. Providers typically leverage their extensive connections to gather diverse data streams, catering to companies needing holistic insights across different domains.

Also, I think we should discuss what to look for in a B2B Data Provider.

Choosing the right B2B data vendor is crucial for ensuring high-quality lead generation, data accuracy, and business growth.

Identify your data needs.

Before selecting a B2B Data Provider, define your needs:

• Lead generation- Do you need fresh leads or updated data?
• Database size- Do you need broad or niche specific data?
• Regional coverage- Are you targeting a specific country or global audience?
• Compliance- Does the vendor follow GDPR, CCPA or other regulation?

Evaluate data accuracy & quality.

Outdated or incorrect data leads to wasted sales effort, so choose your B2B Data Provider wisely.

• Check their accuracy rate, 90%+ is considered ideal.
• Ask about their data verification process (manual, AI driven or other)
• Look for real time efforts, and email/phone validation services.

Look for CRM & tool integration in your B2B Data Provider

Consider whether you can easily integrate your B2B Data Provider’s data into your existing systems or workflows. 

This includes compatibility with your CRM (Customer Relationship Management) software, marketing automation tools, or other data management platforms.

• This saves time on manual data entry.
• Ensures seamless lead nurturing.

Check the B2B Data Provider’s reputation & reviews

• Read customer reviews on G2, Capterra, or Trustpilot.
• Ask for case studies or testimonials from similar businesses.
• Request a free trial to test data quality before committing.

Ensure that you B2B Data Provider prioritizes compliance & security.

Please be cautious of B2B Data providers with scrapped or illegally sourced data.

• Ensure they comply with GDPR, CCPA or other data protection law.
• Check for data encryption and security measures.

I think we are ready to dive into the best B2B Data Providers of 2025.
 

Top 10 B2B Data Providers List

   
   1.  Go4Database (Premium B2B & B2C Data Provider)
   2.  ZoomInfo (The Go-To Market Intelligence Platform)
   3.  Cognism
   4.  Uplead
   5.  Clearbit (By Hubspot)
   6.  Coresignal
   7.  Lead411
   8.  RocketReach
   9.  Lusha
 10.  Saleshandy
 11.  Dun & Bradstreet (D & B)

1. Go4Database ( Premium B2B & B2C Data Provider)


Go4database offers customers premium data-driven and most advanced database mailing lists for their respective requirements.

You know, we love Go4Database, but wait, so will you! Why? I'd rather say, you should just try. Go4Database is a great and underrated alternative of Lusha, Apollo, Saleshandy, RocketReach etc.

Is Go4Database the best B2B Data Provider of 2025? YES, or you decide!
 

• 350 Million+ Global Business Contacts
• Best for Marketers, sales teams, and businesses needing verified contact lists
• Fresh and Real time data provider
• They comply with GDPR, CCPA or other data protection law
• It provides both broad and niche specific data
• 95% data accuracy

Check Go4Database’s B2B mailing list - B2B Leads - Go4Database 

 2. ZoomInfo (The Go‑To‑Market Intelligence Platform)

Find and close your next customer before your competitors do with our all-in-one platform that tells you who to reach and how to reach them. 

With B2B Data Provider ZoomInfo,  you can unite sales and marketing teams around a single source of truth.  And you can scale faster by automating tasks across all outreach channels.

• Covers millions of businesses
• AI driven & Human verification
• Global reach with deep insights
• Credit limits flexible for enterprises
• 90%+ data accuracy

3. Cognism

Well, Cognism says that they give you mobile phone numbers and B2B emails of people you want to do business with. 

This B2B Data Provider also claim to offer international data coverage for the EMEA, NAM, and APAC regions.

• Connect with 87% of your list
• Unrestricted access to person and company-level data
• It provides the most accurate data for Northern America and European Regions
• Also you can expect easy platform setup and integration.

“One drawback of Cognism is its pricing, which can be on the higher side for smaller businesses or startups. Additionally, while the data is generally accurate, occasional outdated or incorrect entries can still slip through, requiring manual verification. These minor issues, however, don’t overshadow its overall value.” 

Review by Ciaran S.

Business Development Representative 

(for full review visit G2) Cognism Reviews, Features, and Pricing 2024 

4. Uplead

This B2B Data Provider claims to provide Real-time verified B2B emails, mobile numbers and intent data. 

To be honest I'd say that its database size is relatively small (though accurate), and the pricing plans are quite expensive.

• 160M+ leads, verified as you search and ranked by freshness
• 95% data accuracy
• It charges only for the valid emails
• 24-7 support from real humans
• Limited database. 
• Pricing plans are too costly

“Nothing. I did not use it. The filters seemed too complicated so I dropped out after seeing that. Sometime later that month I got slapped with a 900 dollar bill and because they did not find those funds they took what they could: 99 dollars. Now they say it is nonrefundable. Imagine this with 900 dollars.”

Review by Verified User in Research

Small-Business

Read full review on G2  https://www.g2.com/products/uplead/reviews/uplead-review-10696440 

5. Clearbit (by Hubspot)

Clearbit is a B2B Data Provider that is known for real-time data enrichment and dynamic updates, making it a top choice for B2B companies looking for fresh, actionable insights. 

However, its accuracy depends on various factors, including data sources, verification methods, and industry coverage.

• Global coverage across every country, in any language
• They claim to Score & route instantly
• Use it for enrichment, not raw lead generation
• Lower accuracy when compared to other premium B2B providers
• Accuracy 85% to 95%

“It was always there and sometimes became a distraction to the job at hand. Also, it took up a lot of screen space, and so it seemed to be, at certain times, overwhelming.”

Review by Verified User in Automotive

Small-Business(50 or fewer emp.)

Check out full review on  

Clearbit Reviews 2025: Details, Pricing, & Features | G2 

6. Coresignal

What makes Coresignal stand out? Its vast data coverage. 

The platform pulls from nine distinct categories of firmographic, employee, and technographic data, to name a few each packed with over 300 data points. Would you choose this B2B data provider? You decide.

• Large and diverse database
• Data Accuracy 80% to 90%
• Some pricing plans are not suitable for small businesses
• Limited industry coverage
• Compliance concerns (GDPR & CCPA Risks)

7. Lead411

Lead411 claims to offer affordable Unlimited Sales Leads for B2B data that you just can’t find anywhere else. Lead411 is a great B2B data provider with lead intelligence functionality.

Lead411 is the only unlimited data provider in the market for both email addresses and phone numbers.

• High quality contact data
• CRM Integration
• Strong SMB & Mid market focus
• No extensive global coverage
• No large enterprise grade feature
• Data accuracy 90%

“The results it pulls sometimes are incomplete or inaccurate.”

Review by Stacy L.

Operations Administrator

Check out the Full Review on G2 https://www.g2.com/products/lead411/reviews?utf8=%E2%9C%93&filters%5Bnps_score%5D=3#survey-response-8022180 

8. RocketReach

RocketReach helps grow your business with the simplest lead intelligence and engagement solution in the world. 

This B2B data provider claim that with continuous updates of their data quality and verification processes, their users have up-to-date access to the most accurate contact information.

• Integration with Salesforce, HubSpot, Salesloft, Outreach, etc
• Accuracy rate 90%
• Customer support takes time to respond
• Database Size: 700M profiles & 35M companies
• AI & Machine learning verification

“The things i like about Rocketreach are:- RocketReach excels in providing accurate and extensive contact information, making it effortless to connect with professionals across industries. Its vast database ensures up-to-date details, empowering users to reach out confidently. The platform's user-friendly interface and powerful search capabilities streamline the process of finding email addresses and phone numbers, enhancing productivity. It very helpful for market reasearchers to built a database for a company.

Limited Free Access, Dependency on Publicly Available Data,Accuracy Concerns,Integration Challenges, Slow processing speed.”

Review by Vishakha P.

Market Research Executive

Mid-Market(51-1000 emp.)

Read the full review  RocketReach Reviews 2025: Details, Pricing, & Features | G2 

9. Lusha

A B2B data and sales lead generation platform focused on providing verified emails and phone numbers for sales, marketing and recruiting teams. 

But, this b2b data provider has limited database size when compared to its competitors.

• CSV Enrichment & CRM Enrichment
• Integrations with CRM & Sales tools
• No advanced firmographics of intent data
• Best for small scale prospecting, not enterprise use
• Data Accuracy 85% 

“It’s a horrible experience that your product can’t be used on a phone. How are reps on the go supposed to successfully prospect?

Also, they claim their data is accurate yet we are finding 40% inaccuracy and that's being modest. I wouldn't recommend anyone to this platform.”

Review by Trisha G.

President and CEO

Small-Business (50 or fewer emp.)

Lusha Reviews 2025: Details, Pricing, & Features | G2

10. Saleshandy

Saleshandy is an email outreach & sales engagement tool, primarily designed for cold emailing, email tracking and automation.

Best for Sales teams, startups, and recruiters needing automated cold email outreach. Not ideal for companies looking for B2B Lead Database or sales intelligence.

• Cold email outreach automation
• Email tracking and analytics
• Does not provide contact data
• No linkedin or social media integration
• Accuracy rate 90%

“Saleshandy lists out contacts at companies with redacted emails or phone numbers, but when you spend credits on revealing emails, phones, it shows none or shows wrong unverified emails, phones. Very misleading!”

Review by Dũng C.

Director

Small-Business(50 or fewer emp.)

Saleshandy Reviews 2025: Details, Pricing, & Features | G2

11. Dun & Bradstreet (D & B)

Dun & Bradstreet, a leading global provider of business decisioning data and analytics, enables companies around the world to improve their business performance. 

This B2B data provider is best for enterprise level & business credit risk management.

• 95% Accuracy rate
• Largest B2B Database for financial & business insights
• Strong data compliance and security
• Industry specific business intelligence
• Not ideal for direct contact data

Conclusion

You know us. You know we always leave the conclusion in your hands. You are the ultimate consumer. First analyse your database size requirement, whether you are a small, medium or large enterprise? Or what kind of data you require? And all the above criterias will help you better find your B2B data provider. 

If it were up to me, I'd go with Go4Database and RocketReach as my B2B data provider. But hey if you know a better B2B database provider, be sure to comment about it.

We would always like to know more and upgrade accordingly. We hope you find what you need. Till then, Farewell! 

FAQs

1. Best B2B Data Provider according to Go4Database?

Go4Database, is itself a competitor of Lusha, Apollo, Saleshandy, Lead411 and all the above. So why not choose Go4Database! It is the best B2B & B2C Data Provider. It has global reach, an amazing integration system. It is best for both startups & enterprise levels.

2. What are the benefits of a B2B data provider?

Well, You will be easily able to access high quality, verified business contacts, better sales targeting and personalisation, a b2b data provider provides data accuracy and reduced bounce rates, they also offer time & cost efficiency. 

3. Who should use B2B Data Providers?

Sales Teams – For targeted prospecting.

Marketing Teams – For better campaign segmentation.

Business Development – For identifying partnerships.

Investors – For market and company analysis.