Best B2B Data Providers for Scalestack

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.

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.

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.

Harness the power of comprehensive data to fuel every aspect of your business with Clearbit, the ultimate marketing data engine designed for optimizing customer interactions. Gain profound insights into your clientele, pinpoint potential leads, and tailor each marketing and sales engagement to maximize effectiveness. Trust in our real-time lookups to provide you with timely and precise data, enabling swift action based on the latest information, complete with sales alerts and notifications about job changes. Access detailed company metrics such as employee numbers, technology usage, and industry classifications, along with specific employee information like their roles, levels of seniority, and job transition updates all at your disposal. By leveraging our extensive datasets and advanced machine learning capabilities, you will have everything necessary to successfully convert leads and expand your business. Seamlessly integrate the right data into your current tools, as we designed Clearbit to work fluidly within your existing technology stack, ensuring consistent and cohesive data access for your sales, marketing, and analytics teams. This integration empowers your teams to make informed decisions swiftly, enhancing overall productivity and performance.

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.

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.

Perform a comprehensive Total Addressable Market (TAM) analysis and create segmented lists of accounts and contacts to enhance your sales and marketing efforts. Secure a competitive advantage by obtaining fully compliant direct dials and verified email addresses. Focus your outreach initiatives using intent data, optimizing efficiency within your revenue teams. Effortlessly execute cold email campaigns that convert strangers into potential clients and those potential clients into loyal customers. Augment your outbound strategies with targeted audience matching and improved match rates on selected advertising platforms. Monitor and manage significant changes within accounts to uncover possibilities for growth and upselling. With Cognism's array of integrations, streamline your existing workflows with ease. You will have unlimited access to both individual and company-level data, ensuring you always have a robust list of prospects and the necessary contact information to reach them. The platform is designed for straightforward setup and integration, providing you with real-time access to essential data within your preferred systems. This means you can efficiently adapt to evolving market conditions and capitalize on new opportunities as they arise.

Discover the ultimate startup engine designed to uncover your fund's returners. With our expansive database featuring over 20 million companies and more than 160 million individuals, you will never overlook a vital opportunity. Customize, refine, and save highly specific searches to effortlessly locate that elusive needle in the haystack. Keep your team synchronized by updating connections seamlessly, and track network activities and communications to ensure every introduction is warm and welcoming. Stay informed and reach out at the perfect moment, thanks to our unparalleled refresh rate. Seamlessly integrate with REST or GraphQL, allowing you to customize your integration approach using our versatile API. Experience low latency and maximum adaptability by having the comprehensive startup database delivered right to your data warehouse or cloud storage. Our continuously updating database enables you to maintain a competitive edge, ensuring that your CRM is always equipped with the most current context, empowering you to make informed decisions and seize new opportunities as they arise. With our platform, you will transform the way you discover and engage with potential investments and partners.

Crustdata is a cutting-edge platform delivering real-time company and people data to power AI, sales, marketing, recruiting, and investment decision-making. Backed by Y Combinator, it offers access to over a billion people and 60 million companies, updated continuously to provide live signals such as hiring activity, funding events, web traffic spikes, and executive moves. Its APIs and flexible delivery methods enable integration with CRMs, ATS, investment platforms, and internal tools to keep systems fresh and actionable. Users can build live lists based on custom filters and receive alerts on critical changes to companies or individuals they track. Crustdata supports various sectors, including sales automation, private equity, recruiting, and growth equity, by offering deep enrichment and powerful filtering capabilities. Its platform is built to scale, delivering bulk datasets or on-demand API calls depending on client needs. Companies benefit from accurate, timely data that fuels smarter outreach, deal sourcing, and competitive intelligence. Security and data privacy are priorities, making Crustdata a reliable partner for data-driven organizations.

HitHorizons offers seamless access to a comprehensive database featuring over 80 million European companies through its various tools, including an API, screener, smart charts, patent information, product scanner, financial reports, and an AML sanctions database, along with tools tailored for the UK market. The sales and marketing data API enhances CRM and ERP systems by automatically populating essential company details such as name, address, industry, SIC code, sales figures, employee counts, national identifiers, VAT numbers, and social media links, utilizing autocomplete searches and sophisticated matching processes; additionally, it tracks updates in company information. This platform is instrumental for B2B lead generation and market analysis, providing 18 different filtering criteria such as region, industry, SIC code, sales volume, employee numbers, and website/domain, which facilitate ranking, benchmarking, and the creation of individual company profiles, along with the capability to export data in CSV format for up to 50,000 records. Moreover, it provides current billing information sourced from official registries, including name, legal structure, address, and VAT details, when accessible. With its extensive features and real-time updates, HitHorizons significantly streamlines the process of obtaining crucial business data for various applications.