Apollo

Apollo.io has raised a total of $251.3 million across six funding rounds, including a $100 million Series D in August 2023, achieving a valuation of $1.6 billion. Founded in 2015 and headquartered in San Francisco, California, the company employs 501–1,000 people and provides AI-driven sales and marketing automation tools. Key investors include Sequoia Capital, Tribe Capital, and Bain Capital Ventures. Apollo.io’s platform offers access to over 220 million B2B contacts, enabling automated outreach, pipeline growth, and revenue optimization, with further expansion and ARR growth expected globally.