Apollo.io

Apollo.io, originally known as ZenProspect, is a B2B marketing company that provides a robust sales engagement and intelligence platform. Founded in 2015 and based in San Francisco, California, with a fully remote operational model, Apollo.io has rapidly expanded its reach across the United States and Canada. The platform features a database of over 275 million contacts and 73 million companies, supporting targeted prospecting with tools like lead scoring, deal intelligence, conversation intelligence, and API integration capabilities. Apollo.io utilizes advanced AI for email messaging and sales automation to enhance personalization and sales processes. It also supports automated CRM data enrichment and health monitoring to ensure data accuracy. The company offers a Chrome extension for easy integration with LinkedIn and email platforms, alongside detailed analytics and reporting features to monitor sales performance. Apollo.io hosts various webinars and events to engage and educate users. With nearly 9,000 paying customers and over one million sign-ups in the past year, the company has shown significant growth, including a 400% increase in weekly active users. Apollo.io has been recognized as a top-ranking vendor by G2 Crowd in several categories and boasts the highest scores in the B2B data space for accuracy and ROI based on customer reviews. The company, which has a team of 40 employees, has achieved profitability for the last 18 months following its participation in Y Combinator’s W16 batch and completion of a Series B financing round.