Apollo.io

Apollo.io is an AI-powered B2B sales intelligence and engagement platform based in San Francisco, California. Founded in 2015, the company has quickly grown to become a unicorn, achieving a valuation of approximately $1.6 billion in 2023. Apollo.io provides a comprehensive suite of tools designed to enhance the sales lifecycle, featuring a massive verified contact database with over 275 million global contacts and 35 million companies. The platform utilizes advanced AI capabilities to streamline prospecting and outreach. It offers automated tools for finding ideal buyers, personalized messaging, and multi-channel outreach automation across email, phone, and social media. Additionally, Apollo.io integrates seamlessly with major CRM systems, providing real-time insights and analytics to optimize sales performance. With a user base of millions across more than 500,000 organizations, Apollo.io is a trusted solution for revenue teams and sales operators looking to improve their sales strategies.

AI sales intelligence and engagement platform. Sacra: $150M ARR May 2025; ~$200M mid-2026 at ~30% growth. Last priced round $1.6B Aug 2023.