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Harmonic is the source of truth for startups

Discover opportunities earlier, research them faster, and act with confidence.

Proprietary data on millions of companies and the people behind them. Powered by AI that automates your workflow from discovery to decision.

Meet Scout
The AI agent made for investors
Find
Search the way you think.
Scout maps markets, evaluates momentum and understands intent.
Hey Scout. Where are the opportunities in the AI infra stack? Highlight category leaders, and describe their differentiation
Screen
Research opportunities that match your criteria.
Save hours of sifting through results.
Create a research report. I want to see whether their founding team and product trajectory match my thesis on vertical AI infrastructure
Analyzed founding team background
Mapped competitive positioning
Assessed growth trajectory
Reviewed funding history
Act
Scout prioritizes, drafts, and delivers.
Insight to action in one conversation.
Draft outreach
Acme
Hi Max,

I've been tracking the shift to agent-based observability and Acme keeps coming up as the category leader. Your traction with Fortune 500 dev teams and technical approach (agents vs legacy polling) maps directly to our thesis on next-gen infrastructure.I'd love to learn more about your product roadmap and how you're thinking about defensibility as Datadog and New Relic add AI features.Worth a conversation?Best,[Your Name][Fund Name]

“We found 4 out of our last 9 deals on Harmonic”

– Tier 1 VC

Discover

Find the companies and people others miss

Find companies at the earliest signals
Granular filters on the freshest data
Monitor the people making moves
Filter by background, education, experience and so much more
Your team’s network, mapped and monitored
Stay up to date by syncing connections from inboxes, calendars and LinkedIn

Research

The context you need to move with conviction

Agentic research reports
Highlights from Harmonic’s proprietary data… and the entire web in one click
Investor intelligence at your fingertips
Search investors by stage, sector, geography, check size and investment activity

Act

From insight to outreach, without leaving Harmonic

Organize your workflow
Track opportunities and collaborate
Our data everywhere you need it
Instant insights from the Chrome Extension
Download

Agent-ready

Live data on companies, founders, investors, and how your team is connected to them, without leaving your workflow.

Purpose-built MCP
Harmonic intelligence in every conversation with your AI
Not coding? No worries
Zapier and n8n bots can keep your workflow up to date with the latest data from the source of truth about startups
Bulk data for optimal flexibility
The complete startup database delivered directly to your data warehouse or cloud
Harmonic API
Always up to date, always production ready and tailored to your integration
Read the Docs

Visionary investors run on Harmonic

“Harmonic instantly turned Floodgate into a data-driven firm. Its automated tools have become fundamental to our sourcing and networking efforts.”
Floodgate
Mike Maples
Co-founding Partner at Floodgate
“The Harmonic platform has decisively enhanced my productivity.”
Teamworthy
Brian Cashin
VP at Teamworthy
“If we lost Harmonic it would be a 9/10 bad day”
Anonymous
Anonymous
From a Top 3 VC Firm
“…Harmonic’s Chrome extension has become my default tool when coming across a new business”
Ben Kany
Principal at Bedrock
“They have the best data, the easiest-to-use API, and they’re working on a number of capabilities that will soon replace many of the other systems we’re using”
Fin Capital
Fan Wen
Investor at Fin Capital
“Harmonic uncovers the earliest-stage companies from a variety of data sources well before other providers do”
Ridge Ventures
Zain Rizavi
Principal at Ridge Ventures