15 Best B2B Data Providers for Lead Generation in 2025

Finding the right B2B data provider can make all the difference between chasing cold leads and connecting with your ideal customers. Access to accurate and high-quality data allows you to skip the guesswork and focus on your marketing strategies to generate more leads and close deals with ease. 

This fuels a business’s outreach strategy, personalized communications, and drives more meaningful client engagements, so reliable B2B data providers are in demand. 

But how do you know whether a data provider is the right choice for your business?

To help you make the best decision, we have compiled a list of the 15 best B2B data providers for lead generation in 2025. This will empower your sales and marketing strategies, giving you the confidence and control that comes with actionable intelligence.

 

What to Look For In a B2B Data Provider? 

 

Choosing a B2B data vendor isn’t just about selecting the most famous provider or the one provider with the largest database; It’s about finding the most relevant and reliable B2B provider who can supply you with actionable data that aligns with your business goals. 

The right vendor should do more than just deliver data; they should provide you with reliable and accurate data that you can use to enhance your business decisions.

Here are some key factors you can consider before selecting your B2B data vendor:

• Data accuracy and freshness

Inaccurate data will just waste your time and resources, so it’s a priority to consider when selecting your provider. Frequent data updates and refreshes prevent you from using inaccurate and invalid information. Look for providers who regularly verify and update their records to maintain high accuracy rates. 

• Data coverage and depth

A good B2B data provider should offer more than just names and email addresses. The data should cover the breadth of industries, regions, and companies, offering rich infographics and intent data. This can help you to understand your prospects better and tailor your messaging. The deeper and more comprehensive the data, the more precisely you can segment your audience and craft personalized messages.

• Data compliance and security

Ensuring that the data provider adheres to data privacy regulations like GDPR and CCPA helps you to protect your brand’s reputation and build trust with your prospects. Transparency around data sourcing and user data is non-negotiable for any business. 

• Integration capabilities with workflows

Integration with your CRM or other workflows keeps vital information always at reach for your team. A good provider should let you integrate data seamlessly with your marketing automation platform, which will reduce the amount of manual work and improve your workflows, and your operations will become more efficient.

• Lead segmentation filters

Effective targeting for your campaigns begins with the capability to add the right filters to separate your best prospects. Being able to filter and segment leads by company type, job function, company size, or buying intent allows your campaigns to reach the proper people at the proper time. Ultimately, better prospect segmentation equals better-targeted campaigns and outreaches that can perform better.

• Support and Data Customization

Whether it’s troubleshooting or building custom datasets, responsive help and adaptable options can make a difference and resolve things. Data customization is made possible with reliable support, allowing you to shape the tools to suit your business needs.

 

15 Trusted B2B Data Providers in 2025

 

Now that you know what separates a great data provider from another and pay attention to aspects that matter more to your business, you can select the right B2B data vendor for your company. 

In fact, 79% of would-be buyers say that thought leadership is key in deciding which providers they want to learn more about. Meaning, your outreach is only as strong as the data behind it.

The B2B data providers listed below have earned their place by helping businesses rapidly generate qualified leads and targets. Each of these has unique benefits, so that you will find the best B2B provider based on your business needs for lead generation in 2025.

 

AI Ark

AI Ark delivers enriched, high-quality B2B data tailored for scalable outreach and smart segmentation. AI Ark’s smart algorithms will deliver real-time accuracy and dynamic data to fuel your innovative lead-gen campaigns.

Key Features:

• Real-time data enrichment
• AI-based lead scoring
• Easy setup
• Custom audience segmentation
• CRM and automation tool integrations
• Supportive support team

Pros:

• Fast data creation using AI
• Scalable for enterprises and startups
• Heavily enriched data
• Data enrichment provided
  

Cons:

• Less brand recognition than established players
• It can accommodate setup instructions for advanced features

Pricing:

AI Ark features three flexible plans to fit any team’s needs: a Free Plan for low-level use, a Usage-Based Plan for growing teams, and an in-depth Agency & Enterprise Plan for large scales and custom needs. Select each one based on your needs.

ZoomInfo

ZoomInfo is a higher-rated B2B data provider known for its expansive, accurate database and superior sales intelligence features. It is trusted by marketing and sales teams to perform targeted prospecting, data enrichment, and smart prioritization of marketing campaigns.

Key Features:

• Large database with firmographics and intent data
• Live data enrichment
• Deep search and segmentation filters
• Smooth integrations with CRM
  

Pros:

• High-value, accurate information with real-time updates
• Deep filters for targeted targeting
• Robust reporting and analytics
• Superb CRM and tool integrations

Cons:

• It is expensive for startups or small teams
• Steep learning curve for expert features and tools

Pricing:

ZoomInfo offers three uniquely designed plans: Sales Plan for sales force teams, Marketing Plan for outreach and prospect campaigns, and Talent Plan for talent acquisition and recruitment. They are tailored to special purposes according to your business expertise.

Apollo

Apollo.io is an integrated engagement platform that allows business organizations to automate their lead generation process. It provides users with a link to other databases, along with useful outreach, tracking, and reporting tools, and can be utilized best by small and medium organizations and startups.

Key Features:

• Access to a full company database 
• Embedded email sequencing and automation 
• Lead scoring and analysis 
• CRM integrations and workflow management 
• Advanced segmentation filters
  

Pros:

• Low-cost
• Easy-to-use interface
• Strong outreach automation features
• Has scalability to support different team sizes and needs
  

Cons:

• Lacks the majority of advanced features in the Free Plan
• Requires customization for large enterprise needs

Pricing:
Apollo.io offers four plans that are flexible: a Free Plan for new businesses, a Basic Plan for growing teams, a Professional Plan with extra features for mature teams, and an Organization Plan for big organizations with unique needs.

Kaspr

Kaspr is a B2B prospecting tool that directly helps sales reps, recruiters, and founders get accurate contact details from LinkedIn. Its Chrome plugin supports bulk scraping of phone numbers, emails, and company data, simplifying lead generation.

Key Features:

• LinkedIn Chrome Extension for bulk scraping 
• Verified phone numbers and email access 
• Smooth CRM integrations with Salesforce, HubSpot, and Pipedrive 
• Customizable workflows and automation 
• Advanced API access for enterprise users
  

Pros:

• High precision with data sourced from over 120 providers 
• Easy-to-use platform with quick setup 
• Group and individual scalable solutions
  

Cons:

• Fewer direct email credits in lower-level plans 
• More sophisticated plans may be costly for small businesses

Pricing:
Kaspr offers four plans: The Free plan, with unlimited B2B email credits, can be obtained by inviting three colleagues. Starter plan, Business plan, and Organization plan for larger groups.

Cognism

Cognism is a global B2B data provider reputed to provide GDPR-compliant lead generation services. It employs AI technology to deliver precise and up-to-date information, enabling organizations to fuel maximum outreach campaigns and touch prospects at the best time with the best message.

Key Features:

• Verified high-quality data
• GDPR-compliant database
• Intent data to predict sales targeting
• Enhanced search filters to segment
• Instant integrations with popular CRMs
  

Pros:

• High-quality data with real-time refresh
• GDPR compliance focus makes it ideal for European markets
• Strong intent data to spot in-market opportunities
• Full CRM integrations
  

Cons:

• Can be more costly for small businesses or startups
• Fewer features in lower plans

Pricing:
Cognism provides two main plans: Grow and Elevate. For more specific pricing, you’d have to ask for a custom quote based on what your business needs.

UpLead

UpLead is a B2B data provider that focuses on data quality and provides high-quality contact data for lead generation. UpLead is highly focused on real-time verification of the data and segmentation so that the sales teams can target the right prospects with confidence.

Key Features:

• Real-time email verification and accuracy of data
• Strong filters for targeted lead targeting
• Simple CRM and sales tool integrations
• Detailed company insights and demographic data

Pros:

• Very good data quality with a real-time verification system
• Pricing plans fit the budget of small businesses
• Advanced search filters for detailed segmentation
• Free trial to test the platform

Cons:

• Lower number of data points in lower plans
• The free trial has data access restrictions

Pricing:
UpLead has four plans: Free Trial to try out the platform, Essentials for basic features, Plus for small businesses with additional advanced features, and Professional for larger teams with more advanced data and integration.

LinkedIn Sales Navigator

LinkedIn Sales Navigator is a paid sales tool that allows one to find, learn about, and get connected with potential leads on LinkedIn. With its enhanced search feature, personalized algorithms, and CRM integration, it becomes easy for the sales team to reach out and form relationships with ease.

Key Features:

• Advanced lead and account search filters
• Personalized lead recommendations based on LinkedIn activity
• Real-time information and alerts for saved accounts and leads
• CRM with Salesforce, Microsoft Dynamics 365, and HubSpot integrations
• TeamLink to take advantage of your extended team network
  

Pros:

• Massive pool of professionals and companies
• Different filtering options to ensure precise targeting
• Seamless integration with top CRM solutions
• Adaptive features suitable for individual users and big teams alike
  

Cons:

• More costly than a few other B2B data providers
• Complex sign-up process for new users unfamiliar with the LinkedIn environment
• Constrained by the data yielded by LinkedIn, which could be limited in specific industries or locations

Pricing:
LinkedIn Sales Navigator offers three plans to suit diverse business needs:

Lead411

Lead411 is a B2B sales intelligence tool that provides vetted contact information, company data, and buying intent. In more detail, it allows marketing and sales teams to discover high-quality leads, engage with decision-makers, and speed up the sales cycle.

Key Features:

• Triple-verified emails and double-verified direct dial phone numbers
• Real-time sales triggers, such as funding rounds and executive changes
• CRM integrations with platforms like Salesforce, HubSpot, and Microsoft Dynamics
• Chrome extension and API access to embed in the workflow smoothly

Pros:

• Large and correct database of contacts
• Very high data validation standards ensure quality leads
• CRM and tool integrations
• Growing plans suitable for businesses of every size

Cons:

• Pricing may be expensive for small firms or newly established companies
• Part of the advanced functionalities are offered only in higher plans

Pricing:

Lead411 has several pricing plans suitable for different business requirements.

Dealfront

Dealfront is an EU B2B data provider offering compliant, GDPR-ready lead generation solutions. Their solution is an end-to-end set of tools designed to help sales and marketing teams to discover high-quality leads, read buyer intent, and successfully engage prospects.

Key Features:

• Access to Europe’s largest B2B database, with over 30 million companies and 89 million contacts
• Advanced segmentation filters
• Real-time buyer intent signals to find prospects who are currently researching your solutions.
• Seamless CRM integrations with platforms like Salesforce, HubSpot, and Pipedrive
• GDPR and other data protection regulation compliance

Pros:

• Very high data accuracy with validated contact details
• Easy, intuitive interface and seamless CRM integration
• Scalable plans to suit businesses of any size
• Complete support and documentation

Cons:

• Smaller companies will find the more expensive higher-tiered plans too expensive.
• More advanced features are only available on the more costly, premium-priced plans.

Pricing:

Dealfront has scalable plans tailored to your business needs. They must be directly contacted via the website in order to obtain their pricing information.

Lusha

Lusha is a B2B sales intelligence tool which provides up-to-date and accurate contact data that enables businesses to connect with decision-makers easily. It has a variety of tools for lead gen optimization and outreach extension.

Key Features:

• Access to a vast database of validated contact information
• Chrome extension for instant single-click viewing of contact details
• Involvement with CRM software like Salesforce and HubSpot
• Intent signals and job change notices
• Automated email sequences
• Sophisticated filtering capacities and segmenting choices
  

Pros:

• Very high data accuracy with verified contact details
• Easy-to-use interface and seamless CRM integration
• Scalable plans that can accommodate businesses of any size
• Comprehensive support and documentation
  

Cons:

• Small businesses may find more expensive higher-tier plans are too expensive.
• More advanced features are only available in the higher-priced, more premium plans.

Pricing:
Lusha has three primary plans: Free plan, suitable for an individual or small team just beginning. Premium plan with credits per year and additional features. A scale plan, a scalable business plan with unlimited credits.

Coresignal

Coresignal is a B2B data provider and multi-source dataset from over 20 publicly available web sources. Employee and job post data are ideal for lead generation, talent sourcing, and market intelligence.

Key Features:

• Six-hour refreshed live feed
• Choice of flexible delivery for data
• Support for more complex Elasticsearch queries
• API availability for easy integration into current workflows
• Historical employee and headcount data for trend analysis

Pros:

• Mass global coverage with millions of records
• Excellent data freshness with frequent updates
• Integration and delivery format choice
• Business-sized solutions to accommodate businesses of all sizes
  

Cons:

• Cost may be higher than with some alternative providers
• Technical expertise needed to take full advantage of API capability
• Some enterprise-level features only in higher-end plans

Pricing:
Coresignal offers four pricing plans tailored to differing business needs:

RocketReach

RocketReach is a B2B sales intelligence software that provides its users with access to a large database of businesses and professionals. It enables its users to extract accurate contact information, including email addresses and phone numbers, in order to improve their lead generation and outreach efforts.

Key Features:

• Availability of a large database of companies and professionals
• Email and phone number search feature
• Advanced search filters to narrow down leads
• CRM integration with products like Salesforce, HubSpot, and Outreach
• Browser extension for seamless prospecting
• API access for custom integrations

Pros:

• Ease-of-use browser add-on and interface
• Highly integrated CRM and tools
• plans for varied purposes
• access to API for power users

Cons:

• More expensive plans are pricey for small businesses
• Insufficient data on some narrow markets or geographies

Pricing:
RocketReach offers three primary plans:

6sense

6sense is a full-stack solution that is designed to supply predictive intelligence and actionable insight to B2B marketing and sales teams. Through the powers of AI and big data, 6sense allows companies to surface in-market buyers, rank best-fit accounts, and personalize campaign outreach in an effort to drive revenue.

Key Features:

• Utilizes machine learning technology to predict most likely-to-conversion accounts and direct teams to pursue high-probability leads.
• Captures signals from multiple sources to identify buyer intent and readiness to interact.
• Ranks accounts based on engagement levels and intent to buy, simplifying selling.
• Seamlessly integrates with platforms like Salesforce, HubSpot, and Microsoft Dynamics to synchronize data and workflows.
• Provides real-time access to account information and contact data directly within the browser.

Pros:

• Improved targeting and decision-making with superior AI-driven insights.
• Real-time follow-up on leads is provided through real-time alerts.
• Scaling solutions provide capabilities to businesses irrespective of size or industry.

Cons:

• Not made public and has to be referred to in person.
• Implementation may need single-user facilities and training.
• Advanced platform functions can be aggravating for some users who are not familiar with it.

Pricing:

6sense comes with four main plans under four different plans, but in order to obtain more detailed price information, and see which plan would best suit your company.

seamless.ai

Seamless.AI is a sales intelligence platform that leverages artificial intelligence and provides access to verified contact details like emails and phone numbers in real-time, enabling companies to accelerate their lead generation and sales pipeline. Seamless.AI has capabilities to enhance prospecting, data enrichment, and CRM integration.

Key Features:

• Instantly uncover verified contact information using AI-driven search functionality.
• Easily integrate into popular CRM systems like Salesforce and HubSpot.
• Add more data to the existing contact information, such as job titles and company information.
• Extract contact information from LinkedIn and other websites quickly.
• Analyze and personalize sales messages for more engagement.
  

Pros:

• Extremely accurate with real-time data updates.
• Numerous CRM and tool integrations.
• Easy-to-use interface with Chrome extension for prospecting with ease

Cons:

• Pricing is not publicly disclosed and must be consulted directly.
• Credit-based systems can lead to variable expenses.
• Some users occasionally experience inaccuracies in contact information.

Pricing:
Seamless.AI has three plans: the Free plan is suitable for a single coder or a group of beginner coders. The Pro plan is for companies with greater data requirements and is feature-rich. And the Enterprise plan is for some companies’ needs, with custom solutions for large businesses.

Adapt.io

Adapt.io is a B2B data firm that provides an integrated platform with which sales teams and marketing professionals can search for and connect with prospects. It is linked to a massive pool of qualified businesses and contacts. Adapt.io lets users create targeted lists, append to their current files, and streamline outreach.

Key Features:

• Extremely advanced filtering capabilities, including job title, department, company size, and technology stack
• Real-time data validation and enrichment
• Chrome extension for easy prospecting
• CRM integration with software like Salesforce, HubSpot, and Zoho
• API access for custom integrations

Pros:

• Extensive and accurate contact database
• User-friendly interface with intuitive navigation
• Robust CRM and tool integrations
• Real-time data updates ensure data freshness
• Scalable solutions suitable for businesses of all sizes
  

Cons:

• Limited ability to customize lower-tier plans
• Some of the advanced features are only found in higher-tier plans
• Pricing information is not made available publicly and must be consulted directly

Pricing:
Adapt.io offers four pricing plans: A free plan, a starter plan, a basic plan, and a custom plan.

Which B2B Data Provider Is Best for Your Business? 

 

Now that we have covered the list of B2B data vendors, it’s time to choose the best one for your business.

You might notice from the list of all data providers that they provide accurate data and convenient features for your marketing and lead generation efforts. Nonetheless, your business’s most appropriate B2B data provider depends on your specific needs, goals, and budget. Given so many providers that possess different features, you need to consider them based on primary factors aligned with your business goals.

By evaluating providers based on your business needs and aligning their capabilities with your objectives, you can select the B2B data provider that best supports your sales, marketing, and lead generation efforts.

 

Choosing AI Ark As Your B2B Data Provider

 

When selecting a B2B data provider, businesses must look for accuracy, scalability, and the ability to integrate smoothly into their existing infrastructure. AI Ark has got all such needs covered.

AI Ark offers the perfect combination of AI-powered accuracy, seamless integration, and compliance with regulatory requirements that make it an ideal choice for businesses that wish to make better, data-driven decisions.

Are you ready to start your plan?

Request a demo today and unlock the power of accurate, real-time B2B data for your business!