What is Apollo.io?
AI-powered sales intelligence, enrichment and engagement for outbound and inbound GTM teams.
- Category
- Sales intelligence and engagement
- Headquarters
- San Francisco, CA
- Founded
- 2015
- Employees
- ~1,000+
- Total funding
- ~$250M+
- Valuation or Status
- ~$1.6B private valuation (2023 Series D)
What is Apollo.io?
Apollo.io is a sales intelligence and engagement company. AI-powered sales intelligence, enrichment and engagement for outbound and inbound GTM teams.
Apollo.io sells into teams that need b2b database, apollo data, ai assistant and related workflows. Revenue not publicly disclosed; Apollo reports millions of sellers at more than 600,000 companies using the platform. Apollo states that millions of sellers at over 600,000 companies use its sales platform, including enterprise customers such as Ernst & Young, Oracle and Lyft.
The company is positioned around a focused operating wedge rather than a generic software suite: B2B database, Apollo Data, AI Assistant, Sequences, Data enrichment, Chrome extension. That makes the buying center relatively clear for sellers, because product, engineering, finance, data, HR or payments leaders usually evaluate the platform based on measurable workflow impact, security and integration depth.
As of June 2026, the most durable facts are its 2015 founding date, San Francisco, CA headquarters/operating hub, ~1,000+ employee scale and ~$1.6B private valuation (2023 Series D). Where the company does not disclose revenue or profitability, this profile states that explicitly instead of substituting private estimates.
Sources:Apollo pricingApollo about
What does Apollo.io offer?
Apollo.io offers B2B database, Apollo Data, AI Assistant, Sequences and adjacent platform capabilities.
- B2B database· Product
- Apollo Data· Product
- AI Assistant· Product
- Sequences· Product
- Data enrichment· Product
- Chrome extension· Product
- Workflow automation· Product
- Conversation intelligence· Product
Sources:Apollo pricingApollo about
How does Apollo.io make money?
Apollo.io makes money through apollo offers a free entry plan plus paid tiers and custom enterprise plans.
Apollo offers a free entry plan plus paid tiers and custom enterprise plans. Pricing is tied to seats, credits, export/enrichment usage, data access, sequencing, dialer/conversation tools, API access and enterprise governance.
The commercial motion is usage- and expansion-driven: teams usually start with a concrete workflow, then add seats, modules, credits, compute, payment volume, data access, compliance controls or enterprise support as adoption spreads. That means growth depends on product-led entry for smaller teams and negotiated enterprise contracts where security, procurement and integrations matter.
For sellers, the budget owner is the function that experiences the workflow pain first. A vendor replacing manual work, improving risk controls or integrating with the named systems in the tech-stack facet has a stronger pitch than a generic productivity message.
Sources:Apollo pricingApollo about
Who leads Apollo.io?
Apollo.io is led by Tim Zheng (Co-founder and CEO) and Ray Li (Co-founder).
- Tim ZhengCo-founder and CEOCo-founder - since 2015Leads Apollo strategy and go-to-market platform expansion.
- Ray LiCo-founderCo-founderCo-founded the business and helped build the original data platform.
- Apollo executive teamRevenue and product leadershipCurrentOwns platform, data, customer success and enterprise GTM execution.
How do you contact Apollo.io's leadership?
Use published company channels first; the personal addresses below are clearly marked as format-following rather than verified inboxes. The observed/presumed pattern for this profile is format-following, not verified: first.last@apollo.io.
format-following, not verified: first.last@apollo.ioSources:Apollo pricingApollo about
How much funding has Apollo.io raised?
Apollo.io has ~$250M+, with status: ~$1.6B private valuation (2023 Series D).
Major disclosed financing events: 2015-2020: Seed and early rounds - amounts not all consistently disclosed - Apollo built the initial sales database and engagement platform before later growth rounds. Mar 2021: Series B - about $32M - Growth financing supported expansion of Apollo sales intelligence and engagement. Mar 2022: Series C - about $110M - Reported round pushed the company toward unicorn scale as usage accelerated. Aug 2023: Series D - $100M at ~$1.6B valuation - Led by Bain Capital Ventures with participation from existing investors; total funding moved above $250M.
The funding history shows how investors underwrote the company's market. Earlier rounds financed the initial wedge; later rounds funded enterprise expansion, infrastructure, regulatory coverage, geographic growth or broader platform scope.
If a round, valuation or revenue number is not public, this profile treats it as undisclosed. That matters for sales planning because private companies often have large budgets without publishing the exact revenue base, while acquired or IPO-track companies usually add more formal procurement and risk review.
How did Apollo.io get here?
Apollo.io's path runs from founding through product expansion, major financing and its current June 2026 status.
- 2015Company foundedApollo starts building a B2B contact data and sales engagement platform.
- 2021Series BApollo raises growth capital as sales teams consolidate prospecting workflows.
- 2022Series CThe company scales data, enrichment and sequencing for larger GTM teams.
- 2023Series D unicorn roundApollo raises $100M at a reported $1.6B valuation.
- 2025AI and workflow expansionApollo emphasizes AI assistant, workflow automation and inbound/outbound motions.
- 2026Apollo MCP visibleThe company markets Apollo MCP and AI-native sales workflows.
Sources:Apollo pricingApollo about
Who are Apollo.io's competitors?
Apollo.io competes with ZoomInfo, Cognism, Lusha, Clay and adjacent platform vendors.
- ZoomInfoEnterprise sales intelligence database with data and intent products.
- CognismB2B sales intelligence with strong EMEA compliance positioning.
- LushaContact data and prospecting platform for sales teams.
- ClayAI GTM workflow builder that can combine many enrichment providers.
- OutreachSales engagement platform focused on sequences and revenue workflows.
Sources:Apollo pricingApollo about
Apollo.io — frequently asked questions
