Apollo.io (YC W16) — Apollo is the foundation of your entire go-to-market strategy
Founded in 2015, Apollo.io is a lead intelligence and sales engagement platform trusted by nearly 9,000 paying customers, from rapidly growing startups to some of the largest global enterprises. Our community-based approach to crowdsourcing data gives users maximum coverage while ensuring data accuracy.
Apollo.io is a Y Combinator company in the Winter 2016 batch. Its directory entry describes it as: Apollo is the foundation of your entire go-to-market strategy. The founders listed are Tim Zheng (Founder/CEO), Ray Li (Founder) (Y Combinator directory entry, November 15, 2015).
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
Founded in 2015, Apollo.io is a lead intelligence and sales engagement platform trusted by nearly 9,000 paying customers, from rapidly growing startups to some of the largest global enterprises. Our community-based approach to crowdsourcing data gives users maximum coverage while ensuring data accuracy. Our advanced algorithms and unique data acquisition methods help over 500,000 sales professionals enrich and analyze prospects' data to increase quality conversations and opportunities.
We have notable investors: Y Combinator and Nexus Venture Partners. We recently completed a Series B financing to fuel our next growth phase. We have reached and maintained profitability for the last 18 months.
Our growth and customer feedback set us apart from competitors. Apollo had over one million sign-ups for its platform in the past year, and the number of weekly active users increased by over 400%. We are a top-ranking G2 Crowd vendor in the Sales Intelligence, Lead Intelligence, Marketing Account Intelligence, and Sales Engagement categories. Our highest scores are in the B2B data space for accuracy and ROI based on customer reviews.
Tim Zheng
Founder/CEO
Ray Li
Founder
Founders, titles and bios as the company published them. Photographs are our own copies of the ones on that record, so they do not break when the original link expires.
One of 175 companies held here in B2B › Marketing.
No investor is drawn from a Form D — the form states how many invested and never who. The one investor on this graph is named because a batch has exactly one.
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Example from a real report (our sample on Target): “The Q2 2026 earnings report, published August 19, 2026, showed adjusted EPS of $2.46 against an expected $2.33” Source: CNBC
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What the Full Report on Apollo.io covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
1 cited source found
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Apollo.io (YC W16) — Apollo is the foundation of your entire go-to-market strategy. MentionFox, 2026-10-29. https://mentionfox.com/funding/yc-apollo-io
