Best Free B2B Data Providers of 2025

People Data Labs provides B2B data to developers, engineers and data scientists. It provides a dataset with resume, contact, demographic, and social information for more than 1.5 billion unique individuals. PDL data can be used for building products, enriching profiles, and enabling AI and predictive modeling. APIs are used to deliver it to developers. PDL only works for legitimate businesses, whose products aim to improve the lives of people. Its data is crucial for companies who are forming data departments, and focusing on the acquisition of data. These companies require clean, rich and compliant data on individuals to protect themselves.

With a clear understanding of the businesses interested in your product or service, identifying the right contacts becomes a breeze! Our extensive B2B contact database boasts over 706 million entries, making it one of the most comprehensive collections globally. You're guaranteed to locate the individual you need to reach out to, along with their colleagues!

Nimbler provides salespeople and marketers access to millions of verified business contacts, including personal and work emails that are validated in real time and even mobile numbers. You can easily find prospects based on many filters such as job title, seniority, department, industry and location. Our data is verified in real-time, so that your outbound emails reach the right customers. Nimbler is free to use and gives you unlimited access to high-quality leads and user seats.

GrowMeOrganic is an all one lead generation and sales automation platform for growth hackers, founders, marketing executives and digital agencies. Using our platform, you can extract emails from B2B platforms like LinkedIn & B2C platforms like Google Maps, send unlimited drip campaigns and a lot more.

ReachStream is the B2B data partner you can trust. Find qualified prospects by exporting our datasets, and initiating contact. Schedule meetings, optimize outbound strategies, and create robust campaigns. Use data-driven approaches to increase your pipeline and convert valuable clients. Explore new markets and reach out to new customers worldwide. Discover prospects who fit your ideal buyer profiles. Create data-driven campaigns to maximize engagement and value. Find the best candidates by searching LinkedIn for their profiles, job titles, and personal contact information. Lists of top candidates can be generated to include in your campaign and establish direct communication. Save time and effort on passive job listings and resumes. Engage top talent with personalized, insight-driven outreach.

Lead411 provides company intelligence and accurate contact data with direct dials and email addresses. It also offers a sales cadence tool that automates your email/sms outreach.

BookYourData is a B2B prospecting hub which has revolutionized how businesses access and use contact data. Since our launch in 2015, BookYourData has empowered over 20,000 customers worldwide with a vast database of over 100,000,000 direct B2B contact information. What makes us different? Our unparalleled 95% accuracy guarantee. We are proud of our extensive reach, which covers 200+ countries. We also provide a variety of search criteria. Our platform is flexible. It can handle everything from web technologies to ABM. But that's just the beginning. We have created specialized categories based on the specialties of healthcare professionals and a segment dedicated to real estate agents. BookYourData's comprehensive approach means that, no matter what your industry or need is, BookYourData will be your trusted partner in providing efficient and precise B2B contact solutions. Experience the difference when you dive into a world full of opportunities.

Maximize revenue, increase sales and acquire your total addressable market. Find 1000 companies in the U.S. with 50 employees or more that use Salesforce OR Marketo. Next, find 25 contacts per company (25,000 total), that have directors or higher with the titles of sales, marketing, or IT. Include perfect emails, direct dials, and insights for all accounts and contacts. Once you have completed the upload, please exclude any contacts from our CRM and remove them from Salesforce. Artificial intelligence validates emails for all your ideal accounts and contacts. Artificial intelligence validates your phone numbers for all your ideal accounts and contacts. You can quickly build lists of the most profitable contacts. Quickly create lists of your most lucrative accounts. Our proprietary sales AI search engine allows you to research millions of accounts and contacts.

ZoomInfo is a leading business intelligence platform that provides companies with comprehensive data and insights about businesses, professionals, and market trends. It helps organizations streamline their sales, marketing, and recruitment efforts by offering detailed profiles, contact information, and firmographics for millions of companies and decision-makers. ZoomInfo leverages AI-driven analytics and data mining to deliver actionable insights, helping businesses identify new opportunities, optimize outreach, and make informed decisions. With tools for lead generation, account management, and sales prospecting, ZoomInfo is widely used by sales and marketing teams to accelerate growth, improve targeting, and enhance customer engagement.

Apollo is the platform for your entire end-to-end sales strategy. Sellers and marketers use Apollo to discover more customers in market, connect with contacts, and establish a modern go-to-market strategy.

RocketReach eliminates the time-intensive process of building a contact list through manual data collection. You get a first-degree connection to over 700 million professionals across 35 million companies around the world with the largest, most accurate database of emails and direct dials. The platform requires no downloads, no installation, and no updating making RocketReach simple to quote and deploy. Their browser extension turns your web browser into an instant phone and email lookup engine. Find emails through LinkedIn, Crunchbase, and more with the click of a button. The bulk lookup feature makes it easy to find contact info for multiple contacts at once. RocketReach also offers integrations with Hubspot, Salesforce, Outreach, Salesloft, and thousands of other applications through Zapier. You can even integrate the platform directly into your own application with their intuitive API. RocketReach is constantly improving. They are more accurate, more complete, more intelligent, and more exhaustive than the other platforms. Trusted by over 11 million users and 95% of the S&P 500, this is the ideal tool for marketing, sales, and recruiting teams.

AeroLeads allows you to quickly find an email address and create an email list for your business. Register to AeroLeads to get our free Chrome plugin. LinkedIn Search (or CrunchBase AngelList, Xing, etc.) will allow you to search for people. Use our chrome extension to add the relevant leads or prospects to AeroLeads. AeroLeads will locate their business email addresses along with company URL, job title and location. This data will be displayed on your default prospects page in AeroLeads. You can search for business emails on LinkedIn or upload your name and company to find emails. You can find as many as 15 data points such as full name, job title and location, as well as generic company emails. You can export the data to CSV, or transfer it to Salesforce, HubSpot CRM and Pipedrive, Zoho CRM. FreshSales, Zapier, and other CRMs with just one click.

Adapt.io is a powerful B2B lead intelligence platform that simplifies prospecting and data enrichment for sales and marketing teams. It offers a vast database of over 250 million contacts and 12 million company profiles, providing accurate contact information such as direct dials and email addresses to help users connect with decision-makers across various industries. The platform features advanced filtering tools that enable users to create highly targeted lists based on criteria like industry, job title, location, and company size. It also integrates seamlessly with popular CRM systems and includes a Chrome extension for real-time access to data while browsing LinkedIn or company websites. Adapt.io uses robust verification processes to ensure data accuracy, reducing bounce rates and increasing campaign effectiveness. It caters to organizations of all sizes, from startups to large enterprises, helping them save time and resources during lead generation efforts. By empowering teams with actionable insights, Adapt.io enables businesses to strengthen their outreach strategies, improve conversions, and drive sustainable growth.

People respond twice as fast to emails than Linkedin messages. They also reply in 85% less time. Our AI engine can find emails for 75% in the west. This is two times more than any other competitor. Our Chrome extension works with LinkedIn and Github and helps you find email addresses and phone numbers. Connect with the people your business needs. All your saved leads are available in one place. You can organize candidates into folders and share them with your team. One click export to Excel or ATS. ContactOut's search portal allows you to find candidates instantly. You can perform unlimited searches and find candidates who are not listed on Linkedin. Engage with less effort. Use our reusable templates to send emails while browsing LinkedIn. Contact multiple people at once, and follow up automatically. One of the key features that set ContactOut apart from its competitors is its seamless integration with LinkedIn, allowing users to effortlessly find personal email addresses and phone numbers of potential candidates directly from their LinkedIn profiles. The platform's impressive coverage of over 75% of professionals working in developed countries not only ensures an expansive reach but also helps users stay up-to-date.

MassContacts offers a meticulously organized database containing over 50 million active professionals and resumes, designed to enhance your lead generation, marketing strategies, and recruitment processes. With its sophisticated filtering options, you can effortlessly identify ideal prospects and candidates. This platform stands out as the most cost-effective and user-friendly contact database and CV search tool available today, making it an essential resource for businesses looking to grow. By leveraging this extensive database, you can streamline your outreach efforts and find the right talent more efficiently than ever before.

Discover the immense capabilities of your data through DatatoLeads, the premier hub for securely buying and selling data with efficiency. Our customizable white label offerings allow companies to create their own branded data commerce platforms, easily integrating with current operations. Whether you need to purchase up-to-date consumer lists, detailed homeowner profiles, or targeted business leads, DatatoLeads offers carefully curated data tailored to various industry demands. Boost your marketing tactics with our sophisticated skip tracing services that dig deep to reveal personal contact information, equipping you with high-quality leads poised for conversion. Perfect for realtors, marketers, and enterprises aiming to broaden their outreach, our platform is designed to facilitate your expansion by ensuring timely access to the right data. By joining DatatoLeads, you take a significant step toward converting your data into vibrant business opportunities that can drive success. Don't miss out on the chance to elevate your business with our comprehensive data solutions!

Lusha helps business professionals establish a fast and true connection with their leads, contacts, and candidates. Today, over 800,000 sales representatives, recruitment managers, and marketers transform the way they engage with their leads, contacts, and candidates by using Lusha on a daily basis.

Reply Data, the free B2B database, is available to all SDRs, Sales Leaders, Marketers, Recruiters, and Agencies. You can build a laser-focused list of prospects with this free tool. It offers 150+ millions contacts, 10+ filters, native CRM integrations and a Chrome extension. This database is a part of Reply, an AI-driven platform for sales engagement that automates personalized outreach and allows users to engage prospects with just a click.

A comprehensive Lead Generation and Sales Intelligence platform designed specifically for B2B Sales and Marketing teams. - Discover new potential clients - Access complete profiles along with verified email addresses - Leverage your network to connect with a broader range of prospects - Tap into additional accounts through your team's collective connections - Enhance your marketing database - Enjoy a 95% accuracy guarantee on email addresses Identify potential clients, obtain complete profile details with verified email addresses, and utilize shared contacts. Transform cold outreach into warm connections by engaging prospects through your team’s established network across diverse professional and social platforms. Convert any piece of data into detailed profile information, allowing you to execute highly focused and personalized marketing strategies. Jumpstart your lead generation efforts with tailored lists featuring key decision-makers such as Founders, CEOs, CxOs, VPs, and Directors at rapidly growing companies. Our Email Concierge Service will create a custom lead list that meets your specific needs and preferences, ensuring that you reach the right individuals effectively.

This is where you will find the most accurate business information that can help you plan and execute targeted campaigns. DatNex provides up-to-date, reliable B2B marketing data. Which is your most valuable marketing tool? Lead Builder offers the most active B2B data available for marketers. Your marketing skills can help you create the most successful marketing strategy. LinkedIn can be your marketing goldmine. All your contact information is available in just one click. This will allow you to achieve all your marketing goals. Why settle for less? Strategically schedule outgoing messages and free up time to execute marketing plans. DatNex is the only way to get data exactly how you want it. You can customize and refine your criteria using the parameters you choose. You will soon have reliable and extensive data from our database of over 100 million B2B contacts. The data can be transferred to your marketing campaign according to your requirements.

DeepSales is a global leader in sales intelligence and lead generation. It is uniquely positioned to revolutionize B2B selling by leveraging the power of deep learning. We at DeepSales envision a world in which every business can maximize their sales potential by using intelligent data-driven insight. We strive to be on the cutting edge of sales innovation by providing tools that enable more time for selling and less time for sifting data. We offer a range of solutions that redefine the efficiency of sales processes. We automate the tedious task of data curation and collection, allowing sales professionals to focus their efforts on what they do well, selling. Our real-time recommendations are not just data, but pathways that lead to meaningful engagements and successful transactions.

Zintlr serves as a robust platform for B2B sales intelligence, designed to assist companies in discovering new prospects via an extensive database containing over 250 million contacts from industry leaders, along with intricate personality insights. Featuring innovative tools such as zPersonality and Calendar Intel, Zintlr facilitates tailored outreach efforts, enhances sales tactics, and significantly increases conversion rates, ultimately driving business growth. Additionally, the platform's capabilities allow sales teams to engage more effectively with potential clients.

Discover your ideal clients by utilizing precise, trustworthy, and tailored data solutions. Gain access to an extensive database of over 400 million B2B sales leads, which will open up new business avenues and improve your marketing return on investment. Identify healthcare professionals and medical equipment suppliers worldwide through our verified and real-time B2B healthcare database. InFynd excels in providing exceptional B2B data insights across various regions, particularly in the United Kingdom, where we have a distinct advantage. Access data that aligns perfectly with your sales lead goals and take control of your Total Addressable Market. Create customized B2B databases across different sectors and countries with unparalleled accuracy and direct contact information. By engaging directly with leads and potential clients within your B2B Total Addressable Market, you can exceed your sales targets and drive significant growth for your business. Ultimately, leveraging our data solutions can transform your approach to sales and marketing, allowing for more strategic decision-making.

Boost your prospecting initiatives with precision-driven B2B data. In mere minutes, you can export confirmed phone numbers and real-time lead information from LinkedIn Sales Navigator into a CSV file. This approach helps reduce bounce rates, allowing you to enhance your email campaigns effortlessly. With confidence in each send, you can elevate your email marketing strategies. Enter a world of enriched data that promises higher conversion rates, featuring authenticated emails, AI-optimized personalized messaging, persuasive calling scripts, and tailored LinkedIn connection messages. Revamp your outreach efforts with an emphasis on accuracy and a personal touch. Unlock in-depth insights about potential leads, including their names, job titles, companies, locations, email addresses, and LinkedIn profiles. This comprehensive approach not only enhances your prospecting capabilities but also enables you to generate more leads than ever before. Furthermore, elevate your B2B marketing strategies through our extensive account listings, which include vital information like company names, employee counts, and LinkedIn URLs. Leverage this valuable data to customize your marketing tactics effectively and drive better engagement. By tapping into this wealth of resources, you can ensure that your outreach resonates with your target audience.

When you have all the necessary tools at your disposal, your speed increases significantly. SMARTe offers precise email addresses and mobile numbers, seamless integrations, and extensive global reach. We’ve conducted the necessary research on your behalf. You can easily access the contact information you require, integrate it into your CRM within moments, and begin your prospecting efforts. This means more efficiency and reduced frustration. In North America, 70% of mobile numbers are accessible, while 50% are available across regions like EMEA, APAC, and LATAM, simplifying the cold-calling process. Bypassing gatekeepers and IVRs allows you to connect through text messages, fostering more meaningful conversations and reducing the time spent dialing. Create precise lists using advanced search criteria such as company size, revenue, and SIC, while benefiting from accurate contact details, including emails, to effectively qualify and engage your ideal prospects. Scale your outreach efforts by leveraging highly accurate and globally compliant data. Utilize our sophisticated filters to build targeted prospect lists, enabling you to find reliable and actionable information quickly. Uncover contact and company details in just a few clicks without navigating away from your current browser tab, ensuring you stay focused on achieving your sales goals. This streamlined approach not only enhances productivity but also empowers you to reach your targets more effectively.