List of the Top 25 Free B2B Data Providers in 2025

People Data Labs specializes in delivering B2B data solutions tailored for developers, engineers, and data scientists. The company offers an extensive dataset that includes resume, contact, demographic, and social details for over 1.5 billion distinct individuals. This data can be utilized for product development, profile enhancement, and facilitating AI-driven predictive modeling. Developers access this information through APIs, ensuring seamless integration into their projects. PDL partners exclusively with legitimate businesses that strive to positively impact the community through their products. The data provided by PDL is essential for organizations establishing data departments, particularly those prioritizing data acquisition. Such companies depend on high-quality, rich, and compliant individual data to safeguard their operations and maintain integrity in their processes. In an era where data-driven decision-making is key, PDL's offerings empower businesses to harness valuable insights effectively.

With a clear understanding of the companies interested in your product or service, identifying the right contacts becomes a breeze! Our B2B contact database is among the most extensive globally, boasting over 706 million entries. You'll undoubtedly discover the individual you need to reach out to, along with their colleagues!

Nimbler offers sales professionals and marketers a wealth of verified business contacts, boasting millions of personal and work emails that undergo real-time validation, along with mobile numbers. Users can effortlessly search for potential clients by utilizing various filters, including job title, seniority, department, industry, and geographical location. Thanks to our real-time data verification, your outreach emails are effectively directed to the appropriate audience. Best of all, Nimbler is completely free, providing unrestricted access to a wealth of quality leads and an unlimited number of user accounts. This ensures that your sales efforts are not only efficient but also effective in reaching the right targets.

GrowMeOrganic is a comprehensive lead generation and sales automation solution designed for growth hackers, entrepreneurs, marketing professionals, and digital agencies. With our platform, users can effortlessly gather emails from various B2B sources, such as LinkedIn, as well as B2C sources like Google Maps, while also having the capability to launch unlimited drip campaigns and access numerous additional features. This versatility makes it an invaluable tool for anyone looking to enhance their marketing efforts and drive business growth.

Lead411 delivers detailed company insights along with precise contact information, including direct phone numbers and email addresses. Additionally, it features a sales cadence tool designed to streamline and automate your outreach via email and SMS, enhancing your communication efficiency.

ReachStream stands out as a reliable B2B data partner that empowers businesses to identify and connect with qualified prospects through the exportation of comprehensive datasets. By initiating contact and scheduling meetings, companies can enhance their outbound strategies and develop effective marketing campaigns. Leveraging data-centric methods not only boosts your sales pipeline but also helps in converting high-value clients. Additionally, the platform allows for the exploration of new markets, enabling outreach to potential customers on a global scale. Users can uncover prospects that align perfectly with their ideal buyer personas and craft campaigns designed to maximize both engagement and overall value. Furthermore, by utilizing LinkedIn, one can search for top candidates based on profiles, job titles, and personal contact details, facilitating the generation of curated lists for targeted outreach. This approach significantly reduces the time and effort spent on traditional job listings and resumes, allowing for a more efficient hiring process. Engaging with top talent becomes seamless through personalized and insightful communication strategies designed to capture their attention. Ultimately, ReachStream not only streamlines your outreach efforts but also ensures that you are connecting with the right candidates effectively.

BookYourData serves as a transformative B2B prospecting platform, drastically changing how companies obtain and utilize contact information. Since our inception in 2015, we have successfully empowered over 20,000 clients across the globe with access to an extensive database comprising more than 100 million direct B2B contacts. What sets us apart is our unmatched accuracy guarantee of 95%. We take pride in our broad reach, which spans over 200 countries, and we offer a diverse array of search criteria to meet various needs. Our adaptable platform accommodates everything from web technologies to account-based marketing strategies. But that's merely the start; we have also established specialized categories focusing on healthcare professionals and segments specifically for real estate agents. With BookYourData's holistic approach, businesses from any sector can rely on us as their trusted partner for efficient and accurate B2B contact solutions. Join us today to uncover a realm of opportunities that can elevate your business.

Optimize your revenue, boost sales, and tap into your entire addressable market by identifying 1,000 U.S. companies with a workforce of 50 or more that utilize Salesforce or Marketo. Following this, gather 25 contact details for each company—totaling 25,000 individuals—ensuring these contacts hold director-level positions or higher in sales, marketing, or IT. Make sure to include accurate emails, direct phone numbers, and valuable insights for all identified accounts and contacts. After the upload is complete, eliminate any contacts already present in our CRM and ensure they are removed from Salesforce as well. Leverage artificial intelligence to verify the accuracy of emails for all your target accounts and contacts, along with validating phone numbers. This process allows for the swift assembly of lists containing the most profitable contacts and lucrative accounts. Moreover, our advanced sales AI search engine provides the capability to explore millions of accounts and contacts, enhancing your outreach strategy. By utilizing this comprehensive approach, you can significantly enhance your sales efforts and overall market engagement.

ZoomInfo stands out as a premier business intelligence platform that equips companies with extensive data and insights regarding other businesses, professionals, and prevailing market trends. By offering in-depth profiles, contact details, and firmographics for millions of organizations and key decision-makers, it enables firms to refine their sales, marketing, and recruitment strategies effectively. Utilizing AI-enhanced analytics and data mining techniques, ZoomInfo provides practical insights that empower businesses to discover new opportunities, streamline their outreach efforts, and make well-informed decisions. The platform's features for lead generation, account management, and sales prospecting make it a favored choice among sales and marketing teams seeking to boost growth, enhance targeting, and improve customer engagement. Furthermore, its user-friendly interface and robust data offerings ensure that companies can stay ahead in today's competitive landscape.

Apollo serves as a comprehensive solution for your complete sales strategy from start to finish. Both sales professionals and marketers leverage Apollo to identify potential customers in the marketplace, engage with key contacts, and create an innovative approach to their go-to-market efforts. This platform not only enhances customer discovery but also streamlines the process of building lasting relationships in a competitive environment.

RocketReach streamlines the often tedious task of compiling a contact list by automating data collection. With access to a vast network of over 700 million professionals from 35 million companies globally, it boasts the most extensive and precise database of email addresses and direct phone numbers available. The platform is user-friendly, requiring no downloads, installations, or updates, which makes it easy to implement and use effectively. Its browser extension transforms your internet browser into a powerful tool for quickly locating phone numbers and email addresses. You can effortlessly discover emails from platforms like LinkedIn and Crunchbase with just a single click. Additionally, the bulk lookup feature allows users to efficiently gather contact details for multiple individuals simultaneously. RocketReach seamlessly integrates with various applications such as Hubspot, Salesforce, Outreach, Salesloft, and countless others through Zapier, and its intuitive API enables direct integration into your own applications. Consistently evolving, RocketReach enhances its accuracy, comprehensiveness, intelligence, and thoroughness, setting it apart from competing services. With a user base exceeding 11 million and a trust factor from 95% of the S&P 500, it serves as the perfect solution for marketing, sales, and recruitment teams looking to optimize their outreach efforts. The reliability and efficiency of RocketReach make it an indispensable asset in the modern business landscape.

AeroLeads provides a fast and efficient way to discover email addresses and compile an email list for your business needs. By signing up for AeroLeads, you can access our complimentary Chrome extension. Utilizing platforms like LinkedIn, CrunchBase, or AngelList enables you to search for potential contacts. With our Chrome extension, you can effortlessly add these relevant leads or prospects into AeroLeads. The platform then retrieves their business email addresses, along with essential details such as company URL, job title, and location. This information is conveniently displayed on your prospects page within AeroLeads. You have the option to search for business emails directly on LinkedIn, or you can upload your name and company to streamline the email discovery process. The tool can uncover as many as 15 different data points, including full names, job titles, and locations, in addition to generic company emails. Furthermore, you can easily export this valuable data to CSV format or integrate it with popular CRMs like Salesforce, HubSpot CRM, Pipedrive, Zoho CRM, FreshSales, and Zapier with just a single click. This seamless integration helps optimize your outreach efforts and enhances your marketing strategies.

Adapt.io stands out as a comprehensive B2B lead intelligence solution that streamlines the prospecting process and enhances data enrichment for both sales and marketing professionals. With an extensive repository boasting over 250 million contacts and 12 million company profiles, it provides vital contact details such as direct phone numbers and email addresses, facilitating connections with key decision-makers across diverse sectors. The platform is equipped with sophisticated filtering functionalities that allow users to curate highly specific lists based on various parameters, including industry type, job position, geographical location, and company scale. Furthermore, it integrates smoothly with widely-used CRM platforms and features a Chrome extension that offers immediate data access while users navigate LinkedIn or other corporate websites. Adapt.io employs stringent verification measures to maintain data precision, which in turn minimizes bounce rates and boosts the efficiency of marketing campaigns. It serves businesses of all sizes, from emerging startups to established enterprises, enabling them to optimize their lead generation processes and conserve valuable resources. By equipping teams with insightful data, Adapt.io not only enhances outreach strategies but also significantly raises conversion rates, ultimately fostering sustainable growth for organizations. As such, it represents a vital tool for any company looking to refine its approach to B2B engagement effectively.

Individuals tend to respond to emails at double the speed compared to LinkedIn messages, with their response times being reduced by 85%. Our advanced AI engine excels in locating emails for 75% of professionals in the western regions, which is significantly higher than any competing service. The accompanying Chrome extension is designed to work seamlessly with both LinkedIn and Github, assisting users in discovering email addresses and phone numbers. This tool empowers you to connect with essential contacts for your business. You can conveniently access all saved leads in a centralized location, organize candidates into folders, and share these with your team. The platform also allows for easy one-click exporting to Excel or ATS, making data management a breeze. ContactOut's intuitive search portal enables you to quickly find candidates, even those not listed on LinkedIn, with unlimited search capabilities. Additionally, you can engage with potential leads more efficiently by utilizing our reusable email templates while browsing LinkedIn. The option to contact multiple individuals simultaneously and automate follow-up messages further streamlines the outreach process. A standout feature of ContactOut is its flawless integration with LinkedIn, providing users the unique ability to effortlessly gather personal email addresses and phone numbers of prospective candidates directly from their profiles. With a remarkable coverage of over 75% of professionals in developed nations, this platform not only broadens your outreach but ensures you remain informed about the best potential candidates. Ultimately, ContactOut is designed to enhance your recruiting efforts, making the entire process simpler and more effective.

MassContacts provides a carefully curated database that includes more than 50 million active professionals and resumes, aimed at improving your lead generation, marketing initiatives, and hiring practices. Its advanced filtering capabilities allow users to easily pinpoint the best prospects and candidates. This platform is recognized as the most affordable and user-friendly contact database and CV search tool on the market, making it a vital asset for companies seeking expansion. Utilizing this vast database enables you to enhance your outreach efforts, ultimately facilitating the discovery of the ideal talent with unprecedented efficiency. Additionally, the extensive options available ensure that businesses can customize their searches to meet specific needs and objectives.

Unleash the vast potential of your data with DatatoLeads, the leading marketplace for the secure and efficient buying and selling of data. Our tailored white label solutions empower businesses to establish their own branded data commerce platforms, seamlessly integrating with their existing operations. Whether you're in need of the latest consumer lists, intricate homeowner profiles, or specific business leads, DatatoLeads provides meticulously selected data that meets the needs of various industries. Enhance your marketing strategies with our advanced skip tracing services that uncover personal contact details, giving you access to high-quality leads ready for conversion. Ideal for real estate agents, marketers, and companies seeking to expand their reach, our platform is crafted to support your growth by providing timely access to essential data. By becoming part of DatatoLeads, you make a pivotal move towards transforming your data into dynamic business opportunities that can propel your success. Seize the opportunity to boost your enterprise with our all-encompassing data solutions, and watch your business thrive like never before!

Lusha enables business professionals to forge quick and authentic connections with their leads, contacts, and candidates. Currently, more than 800,000 sales representatives, recruitment managers, and marketers are revolutionizing their interactions with leads, contacts, and candidates by utilizing Lusha every day, enhancing their networking efficiency significantly.

Reply Data, a complimentary B2B database, is accessible to all sales development representatives, sales executives, marketing professionals, recruiters, and agencies. This tool enables users to create highly targeted prospect lists effortlessly, boasting over 150 million contacts and more than ten filtering options, along with seamless CRM integrations and a handy Chrome extension. Additionally, Reply Data is integrated within the Reply platform, which leverages AI to enhance sales engagement through automated and personalized outreach, facilitating easy prospect interaction with just a single click. This innovative database not only streamlines the prospecting process but also empowers professionals to maximize their outreach efficiency.

An all-encompassing platform for Lead Generation and Sales Intelligence, tailored specifically for B2B Sales and Marketing teams, offers a variety of powerful features. - Uncover fresh potential clients - Gain access to thorough profiles complete with verified email addresses - Utilize your network to reach a wider array of prospects - Access extra accounts by leveraging your team's combined connections - Improve your marketing database's quality - Benefit from a 95% accuracy assurance on email addresses Find new clients, gather comprehensive profile information with verified email addresses, and channel shared connections. Turn cold outreach into warm engagements by reaching out to prospects through your team's established relationships across various professional and social networks. Transform any data point into in-depth profile insights, enabling you to implement targeted and personalized marketing initiatives. Jumpstart your lead generation with specially curated lists that highlight key decision-makers such as Founders, CEOs, CxOs, VPs, and Directors at rapidly expanding companies. Additionally, our Email Concierge Service will craft a bespoke lead list that aligns with your unique requirements, guaranteeing that you effectively connect with the right individuals for your business growth. With these capabilities, your sales team can significantly enhance their outreach and conversion rates.

Here, you'll discover the most precise business insights to aid in designing and implementing targeted marketing initiatives. DatNex delivers current and trustworthy B2B marketing intelligence. What is the most effective tool in your marketing arsenal? With Lead Builder, marketers gain access to the most engaged B2B data available. Leveraging your marketing expertise can lead to the development of an exceptionally successful strategy. LinkedIn presents an incredible opportunity for marketers. In just one click, you can access all your contact details. This capability empowers you to fulfill your marketing objectives efficiently. Why accept anything less than the best? By strategically scheduling your outreach efforts, you can optimize your time for executing your marketing plans. DatNex uniquely provides the data you need in a tailored format. You have the ability to adjust and fine-tune your specifications using the criteria that suit you best. Soon, you’ll be equipped with reliable, comprehensive data sourced from our extensive database containing over 100 million B2B contacts. With this information, you can seamlessly integrate it into your marketing campaigns according to your specific needs, enhancing your outreach and engagement.

DeepSales stands at the forefront of sales intelligence and lead generation on a global scale, poised to transform B2B sales through the innovative application of deep learning technology. Our vision at DeepSales is to create an environment where every business can fully harness its sales capabilities by utilizing insightful, data-driven strategies. We are dedicated to remaining at the forefront of sales advancements by offering tools that reduce time spent on data management and increase time dedicated to actual selling. Our diverse range of solutions reimagines the effectiveness of sales operations, as we automate the monotonous processes of data gathering and organization, enabling sales teams to concentrate on their primary strength—closing deals. Furthermore, our real-time suggestions serve as more than just data points; they provide clear pathways to foster meaningful customer interactions and drive successful outcomes in transactions. In this way, we are committed to empowering businesses to achieve their sales objectives through intelligent automation and insightful analytics.

Zintlr functions as a powerful solution for B2B sales intelligence, aimed at helping businesses uncover new opportunities through a vast database that includes more than 250 million contacts from top industry figures, complemented by detailed personality insights. With cutting-edge features like zPersonality and Calendar Intel, Zintlr empowers customized outreach strategies, refines sales approaches, and notably boosts conversion rates, thereby fostering business expansion. Furthermore, the platform's tools enable sales teams to interact more efficiently with prospective customers, ensuring they are well-equipped to meet client needs effectively. This comprehensive approach not only streamlines the sales process but also enhances the overall customer experience.

Uncover your perfect clients by leveraging accurate, dependable, and customized data solutions. With our vast database containing over 400 million B2B sales leads, you'll discover fresh business opportunities that enhance your marketing return on investment. Our verified, real-time B2B healthcare database allows you to pinpoint healthcare professionals and medical equipment suppliers globally. InFynd stands out in delivering outstanding B2B data insights across diverse regions, especially in the United Kingdom, where our expertise gives you a competitive edge. Access data specifically tailored to your sales lead objectives, empowering you to take charge of your Total Addressable Market. You can build bespoke B2B databases spanning various sectors and countries while ensuring unmatched accuracy and direct contact details. By directly engaging with leads and prospective clients within your B2B Total Addressable Market, you set the stage to surpass your sales objectives and foster remarkable business growth. This strategic approach not only streamlines your sales efforts but also radically enhances your overall marketing strategies. Ultimately, harnessing our data solutions can revolutionize your entire sales and marketing paradigm, paving the way for informed and impactful decision-making.

Enhance your prospecting efforts with targeted B2B data that delivers precision. Within just minutes, you can easily export verified phone numbers and up-to-date lead information from LinkedIn Sales Navigator into a CSV format. This method significantly minimizes bounce rates, allowing your email campaigns to soar in effectiveness with minimal effort. With assurance behind each dispatch, you can elevate your email marketing strategies to new heights. Step into a realm of enriched data that guarantees improved conversion rates, featuring verified emails, AI-enhanced personalized messaging, compelling calling scripts, and customized LinkedIn connection requests. Transform your outreach initiatives by prioritizing accuracy while adding a personal touch. Gain comprehensive insights into prospective leads, including their names, job titles, companies, locations, email addresses, and LinkedIn profiles. Such a thorough methodology not only amplifies your prospecting potential but also empowers you to generate a larger volume of leads than previously achievable. Additionally, enhance your B2B marketing approaches with our extensive account listings that provide essential details like company names, employee figures, and LinkedIn URLs. Utilize this treasure trove of information to tailor your marketing strategies effectively and foster greater engagement. By harnessing these rich resources, you can ensure that your outreach truly connects with your intended audience, paving the way for sustained success in your business endeavors.

Having all the essential resources readily available greatly accelerates your productivity. SMARTe provides accurate email addresses and phone numbers, along with effortless integrations and a vast international presence. We have completed the necessary research for you, enabling quick access to the contact details you need, so you can incorporate them into your CRM in a matter of moments and kickstart your outreach. This results in heightened efficiency and a decrease in frustration levels. In the North American market, 70% of mobile numbers are easily obtainable, while regions like EMEA, APAC, and LATAM boast a 50% availability, simplifying the cold-calling process immensely. By avoiding gatekeepers and IVR systems, you can initiate conversations via text messages, which helps foster deeper interactions and cuts down on dialing time. You can construct precise lists using advanced criteria such as company size, revenue, and SIC, while enjoying the advantage of accurate contact data, including emails, to effectively qualify and connect with your ideal prospects. Amplify your outreach initiatives by harnessing highly precise and globally compliant information. Employ our advanced filters to create focused prospect lists that allow you to swiftly find reliable and actionable data. You can reveal contact and company information in just a few clicks without needing to leave your current browser tab, keeping you concentrated on meeting your sales objectives. This streamlined methodology not only boosts productivity but also equips you with the tools necessary to achieve your targets with greater success. Additionally, the ability to quickly adapt your approach based on real-time insights ensures that you remain competitive in a dynamic market landscape.