List of the Top 10 B2B Data Providers for Clay in 2026

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.

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.

Unlock the potential of extensive data to enhance every facet of your organization with Clearbit, the premier marketing data solution crafted for refining customer engagement. Obtain deep understanding of your audience, identify prospective clients, and customize each marketing and sales interaction to achieve maximum efficiency. Rely on our real-time lookups to deliver up-to-date and accurate information, allowing for prompt responses based on the most current data, complete with alerts for sales opportunities and notifications about employment changes. Explore comprehensive company data, including metrics such as workforce size, technology applications, and sector classifications, as well as in-depth employee details like their positions, seniority levels, and updates on career shifts—all readily available for your use. By harnessing our vast datasets and cutting-edge machine learning technology, you will be equipped with all the tools needed to effectively convert prospects and grow your business. Effortlessly integrate essential data into your existing systems, as Clearbit is designed to work seamlessly with your current technological infrastructure, ensuring your sales, marketing, and analytics teams have consistent access to cohesive data. This streamlined integration not only enhances decision-making speed but also boosts overall productivity and performance across your organization, setting you on a path toward sustained success.

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.

Unlock the power of accurate email addresses and mobile numbers while easily validating your data. Transform your B2B prospecting into a dynamic engine for customer conversions. Swiftly pinpoint high-value leads within your dataset, and allow our live data enrichment service to update your information with the newest insights. Enjoy seamless integration with your favorite spreadsheet software to enable prompt actions. Launch the most impactful campaigns to engage with your target audience. Take advantage of our push-to-webhook functionality to link with automation platforms like Clay and SmartLead. Say goodbye to the obstacles posed by incomplete records, incorrect addresses, and obsolete contact information. Wave farewell to the annoyance of handling partial data and outdated details forever. Provide your team with real-time, dependable data that enhances their decision-making capabilities. Effortlessly improve every entry in your database by incorporating verified data points with a simple click, ensuring your outreach is both precise and effective. The moment to refine your data strategy is now, and the resources you need are readily available. Don’t miss out on the opportunity to elevate your outreach efforts and achieve greater success.

Lima Data offers a high-quality B2B data infrastructure tailored specifically for AI-enhanced go-to-market initiatives. Their platform features a variety of APIs, including those for prospecting, data enrichment, and signal detection, which empower developers and organizations to meticulously compile precise lists of accounts and prospects while simultaneously enriching their current datasets with persistent details such as employee numbers, revenue statistics, funding sources, technological stacks, and real-time updates regarding partnerships and product launches. Unlike traditional data providers, Lima Data performs real-time validation through diverse sources at the point of inquiry, ensuring dependable access to contact and company data whenever required. This capability allows users to deploy sophisticated prospecting agents, context-aware email solutions, and account research bots, all furnished with thorough, organized insights that streamline workflows, support customized campaigns, and enhance large-scale decision-making processes. Furthermore, Lima Data’s dedication to precision and innovation not only distinguishes it within the B2B data landscape but also fosters a culture of continuous improvement and responsiveness to client needs. As a result, their services remain at the forefront of data-driven strategies in a rapidly evolving marketplace.

Key figures in the workforce often signal their preferences by departing from their roles. We closely observe the distribution of current staff and shifts in headcount throughout different departments. Moreover, we pay special attention to the quantities of critical employees in each area. By monitoring the movement of personnel within the organizations that pique your interest, we offer a competitive advantage in sectors such as investing, sales, and business development. Our service provides real-time updates regarding job transitions for key individuals and companies that are significant to you. We encourage you to reach out to explore customized filters and delivery options for our constantly updated database, which encompasses over 88 million individuals. Our dedication lies in consistently verifying and refreshing B2B contact details for those who rely on this information the most. Our extensive database includes more than 70 million professionals across 2 million companies, with updates happening nearly in real-time, reflecting over 30,000 job changes daily. We strive to improve the variety and quality of our data delivery methods, ensuring that those who value accuracy and promptness can obtain the information they need in their preferred format. Additionally, our ongoing commitment is to evolve in response to our users' changing requirements, thereby ensuring we lead the way in data provision and maintain our relevance in this dynamic landscape.

HitHorizons provides extensive access to a rich database comprising over 80 million companies throughout Europe via various tools, including an API, screener, smart charts, patent data, product scanner, financial reports, and resources for AML sanctions as well as information specific to the UK. Its sales and marketing data API significantly improves CRM and ERP systems by automatically filling in essential details such as company name, address, industry type, SIC code, revenue, employee count, national identifiers, VAT numbers, and social media profiles, using an intelligent search feature that incorporates autocomplete and smart matching; it also monitors changes in company data. The platform supports B2B lead generation and market analysis with 18 distinct filtering criteria, including geographical location, industry classification, SIC code, revenue, workforce size, website domain, and social media presence, enabling users to rank and analyze individual company profiles while offering the ability to export as many as 50,000 records in CSV format. Furthermore, HitHorizons ensures users have the most accurate and timely billing information by sourcing it from official registries, providing details such as name, legal structure, address, and VAT information when applicable. With its comprehensive suite of features, HitHorizons stands out as an indispensable resource for businesses aiming to optimize their operational strategies and enhance their decision-making processes in today’s competitive market landscape. This unique combination of tools not only streamlines data management but also empowers companies to gain valuable insights into their industry.

MixRank empowers businesses with the data intelligence they need to thrive. Our platform aggregates and refines extensive datasets on professionals, companies, and job postings, providing the crucial insights that drive smarter decision-making across various industries. We're the trusted partner for sales and martech platforms, recruitment providers, VCs, PE firms, and B2B companies, delivering high-quality, constantly refreshed data for competitive advantage and sustainable growth. From optimizing talent acquisition to assessing market potential and making shrewd investment choices, MixRank offers a comprehensive lens into your opportunities. Beyond that, MixRank also offers a powerful Mobile Apps & SDK Data API and Web Platform tailored for sales, marketing, and business intelligence teams. This specialized intelligence provides the most complete database of mobile apps, developers, SDKs, technologies, and integrations, giving top vendors the edge to grow sales, counter rivals, plan effective market strategies, and build lasting customer relationships.