List of the Top 9 B2B Data Providers for Unified.to in 2026

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.

UpLead is a B2B prospecting tool that delivers top-notch contacts and company information for businesses. Its features encompass real-time email verification, access to global contacts across more than 200 nations, over 50 search parameters, and technology tracking capabilities. Additionally, UpLead supports account-based marketing strategies, provides insights on email patterns, links to social media profiles, integrates seamlessly with Salesforce, offers a powerful API, and is compatible with various other CRM systems. This comprehensive suite of tools ensures that organizations can effectively streamline their prospecting efforts and enhance their marketing initiatives.

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.

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.

LeadSift, a provider of intent data for B2B companies, assists businesses in pinpointing and prioritizing the prospects and accounts they should focus on. By leveraging millions of unstructured public web data points, we identify individuals who show increased interest in competing and relevant topics. After recognizing a potential signal, we employ an intricate mapping technique to uncover the identities of these prospects and analyze their work environments for relevance. Ultimately, this process yields contacts who have been actively exploring a particular company or subject matter. The insights generated by LeadSift enable organizations to enhance their advertising expenditures, marketing nurturing initiatives, and sales outreach strategies effectively. With our data-driven approach, businesses can make more informed decisions and improve their overall engagement with potential clients.

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.

Discover and monitor the fastest-growing companies and investors across the globe effortlessly. Elevate your leads and accounts by utilizing extensive company data provided by Mattermark, which includes more than 80 attributes for each organization, encompassing aspects such as location, industry, revenue, employee count, funding, and workforce expansion. Identify the right contacts by assessing their job titles, responsibilities, and seniority levels. Refine your outreach methods by tracking changes in team size, web traffic, media exposure, and various other metrics. Our sophisticated tools leverage machine learning, web crawlers, primary data sources, and natural language processing to extract insights from millions of news articles and websites each day. A dedicated team of in-house analysts rigorously verifies this information daily, allowing you to make informed business choices. Gain access to a vast database of global business intelligence that can be easily filtered and sorted. Mattermark simplifies the identification of the most advantageous deals. Explore detailed profiles of companies and investors to gain deep insights into their growth patterns and operational dynamics over time, fundamentally changing the way you approach business by ensuring you have reliable information at your fingertips. This methodology not only bolsters decision-making but also cultivates a culture of strategic planning based on solid data, ultimately driving better outcomes for your organization. By relying on such comprehensive insights, you can position your business for sustained success.

Slintel excels in identifying technographics-driven buying intent, enabling businesses to reveal the small fraction of active buyers—just 3%—within their target audience. By examining more than 100 million data points, Slintel provides invaluable market and sales insights. With Slintel, clients gain access to detailed contact information and purchasing behaviors of over 17 million companies globally, along with insights on 70 million decision-makers across various industries, empowering them to make informed decisions and drive growth.