Best B2B Data Providers for Orthogonal

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.

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.

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.