The 14 Best B2B Data Providers Worldwide (2025)

In today’s highly competitive digital economy, access to high-quality business data is essential. It’s a core asset for growth. Whether you are managing sales outreach, account-based marketing, or CRM-driven automation, having accurate and enriched data is crucial for achieving results. The applications of B2B data are vast and varied.

Data providers, which often offer access to platforms, APIs, and applications, aggregate, verify, and deliver business information at scale. This enables teams to target the right companies, reach the appropriate decision-makers, and me their outreach effectively.

B2B data solutions have evolved well beyond simple contact lists. Today, the leading data providers offer comprehensive firmographics, technographics, intent data, company hierarchies, and even buying signals.

These data assets can be used to enhance CRM platforms, activate campaigns, build lookalike audiences, and personalize interactions at every touchpoint. For companies aiming to scale efficiently and intelligently, a dependable B2B data provider is indispensable.

Just as CRM platforms help businesses centralize, track, and nurture customer relationships, B2B data providers ensure that every contact in the CRM is complete, relevant, and actionable.

Clean, enriched records allow for more precise segmentation, more predictable sales pipelines, and more effective marketing outreach. In this article, we highlight the top 14 B2B data providers that are driving this new era of CRM enrichment, outbound sales, and smart prospecting.

A list of best B2B data providers

In order to assist our readers in making informed B2B decisions, we have compiled a list of the most powerful and reputable B2B data providers worldwide. These providers are recognized for their ability to support companies of all sizes with firmographic and technographic data.

Each provider offers unique strengths, data specialties, and global coverage. All of the providers listed are compliant with GDPR regulations.

1) InfobelPRO

InfobelPRO is recognized as the world’s most complete B2B database, indexing nearly 400 million businesses globally.

It delivers rich firmographic, technographic, and contact-level insights with unique data attributes like corporate linkage, VAT IDs, industry classification, global hierarchy links, and multilingual segmentation. The platform is available via APIs, flat file exports, and native CRM integrations.

  • Strengths: Largest B2B database in terms of scale and attribute depth.
  • Data coverage: Global, with robust coverage across the EU, US, LATAM, and Asia-Pacific.

2) ZoomInfo 

ZoomInfo remains one of the most widely used platforms in the B2B space, especially among sales and marketing teams. Known for its massive contact database, it also offers intent signals, firmographics, org charts, and integrations with Salesforce, HubSpot, Outreach, and more.

  • Strengths: AI-driven enrichment and real-time CRM sync
  • Data coverage: Global

3) Clearbit 

Clearbit focuses on real-time data enrichment through lightweight APIs. Often used in sign-up forms, CRM workflows, and digital ads, Clearbit helps startups and tech companies enrich contacts instantly and automate segmentation.

  • Strengths: Fast API access, developer-friendly, great for lean GTM teams.
  • Data coverage: Strong North America focus, with growing global reach.

4) Cognism 

Cognism is a GDPR- and CCPA-compliant B2B provider trusted across EMEA. It specializes in accurate mobile numbers, direct dials, and verified email addresses. Its proprietary “Diamond Data” ensures human-verified contact quality, ideal for outbound sales.

  • Strengths: High-quality phone data in Europe, compliant, strong SDR workflows.
  • Data coverage: Especially strong in the UK and EU.

5) Apollo.io 

Apollo combines a vast contact database with built-in engagement tools, email sequencing, and enrichment APIsA favorite for startups and SMBs due to its value-for-money and easy onboarding.

  • Strengths: All-in-one sales engine, CRM integrations, affordable at scale.
  • Data coverage: Global

6) Lusha 

Lusha is a Chrome-based data enrichment platform popular for B2B prospecting on LinkedIn. Its clean interface and strong email/phone data make it accessible for individual reps and small teams.

  • Strengths: Easy to use, Chrome extension, verified contact data.
  • Data coverage: Global, with strong US and EU reach.

7) Lead411

Lead411 offers verified B2B emails and phone numbers along with intent signals and buyer intelligence. It integrates with major CRMs and excels in US mid-market data.

  • Strengths: Verified intent data, US-focused targeting.
  • Data coverage: US-heavy, limited international reach.

8) UpLead 

UpLead delivers high-quality contact lists with real-time email verification and technographic filters. It’s built for marketers and SDRs who need reliable lead data without bloated features.

  • Strengths: Clean UI, verified data, affordable pricing.
  • Data coverage: Global

9) Seamless.AI 

Seamless.AI uses AI-powered web crawlers to uncover real-time contact data across websites, LinkedIn, and other online sources. Its Chrome extension makes it easy for reps to prospect live.

  • Strengths: AI-based discovery, Chrome extension, live contact updates.
  • Data coverage: Primarily North America

10) People Data Labs 

PDL offers over 3 billion unique B2B and consumer records through a developer-first enrichment API. Ideal for product and growth teams needing to scale enrichment in custom platforms.

  • Strengths: Developer-friendly, raw data access, deep person graph.
  • Data coverage: Global

11) Vainu 

Nordic-focused B2B platform that provides firmographic and trigger-based insights. Vainu integrates with CRMs and is ideal for regional sales teams operating across Finland, Norway, and Sweden.

  • Strengths: Regional depth, real-time sales triggers, local focus.
  • Data coverage: Nordics + expanding in EU

12) Dealfront 

Formerly known as Leadfeeder/Albacross, Dealfront offers a complete B2B intelligence platform with contact enrichment, intent signals, and website visitor de-anonymization.

  • Strengths: Strong German and EU market coverage, visitor tracking.
  • Data coverage: Europe

13) Ampliz 

Ampliz focuses on healthcare and APAC B2B segments. With compliant email lists and vertical segmentation, it is useful for medtech, pharma, and educational campaigns.

  • Strengths: APAC strength, healthcare focus, niche segmentation.
  • Data coverage: Asia-Pacific, India, US

14) Adapt.io 

Adapt provides contact and company data across industries with integrated tools for prospecting, list building, and outreach. Its growing database is popular with lean sales teams.

  • Strengths: Contact accuracy, prospecting tools, and budget-friendly.
  • Data coverage: Global

What to look for in a B2B data provider:

  1. Data Accuracy: How often is the data verified or updated?
  2. Geographic coverage: Does the data include the markets you are targeting?
  3. Compliance: Is the data provider compliant with GDPR, FADP, and other data protection laws?
  4. Integration: Does the provider offer integration with your CRM through an API or a native application?
  5. Custom filters: Can you customize filters to meet your specific targeting requirements?
  6. Scalability: Will the provider support your future growth in terms of contacts and data usage?

Conclusions:

Choosing the right B2B data provider is essential to ensure that your business efforts are not wasted. Whether you’re expanding into new regions or refining your ideal customer profile, accurate data and a suitable data provider are the foundation of a successful go-to-market strategy.

By selecting a provider that aligns with your business goals—such as global scale, EU compliance, real-time insights, or vertical specialization—you ensure that your team has access to the right contacts at the right time.

In a landscape where timing, targeting, and personalization are crucial, high-quality B2B data gives you a competitive advantage.

Richard is an experienced tech journalist and blogger who is passionate about new and emerging technologies. He provides insightful and engaging content for Connection Cafe and is committed to staying up-to-date on the latest trends and developments.