
Harmonic is a startup discovery engine with 35M+ companies, 195M+ profiles, and an AI agent named Scout.
Harmonic provides a startup discovery engine built for venture capital and go-to-market teams. The core platform offers a web-based interface, a Chrome extension, and developer-first REST and GraphQL APIs that deliver real-time data on more than 35 million companies and 195 million professional profiles.
Scout, Harmonic's AI research agent, enables natural-language queries for market mapping, valuation comparisons, thesis building, and outreach drafting. Users can monitor talent flows, track funding signals, receive alerts on strategic hires, and export bulk data directly to warehouses or CRMs. The platform updates priority companies daily and integrates with Affinity, Polytomic, and other workflow tools.
The market for startup intelligence is expanding as venture capital firms, corporate development teams, and sales organizations seek earlier and more accurate private-market data. Legacy providers such as Crunchbase and PitchBook dominate brand recognition but often lag on freshness and early-stage coverage.
Harmonic targets this gap by indexing stealth and pre-seed companies before they announce funding, and by tracking 195 million-plus individual profiles rather than only company records. As AI-native research tools become standard in VC workflows, platforms that combine proprietary data with natural-language agents are positioned to capture share from traditional databases. Expansion into non-VC use cases—such as startup sales prospecting and talent sourcing—could significantly broaden Harmonic's total addressable market beyond pure venture research.
Harmonic differentiates from Crunchbase and PitchBook through deeper early-stage coverage, indexing 35 million-plus companies including stealth and pre-seed startups that traditional databases miss. The platform merges structured and unstructured data from legal filings, web sources, and social signals into a canonical knowledge graph, updated daily for freshness.
The Scout AI agent enables natural-language research across company and people data, generating market maps, valuation comps, and outreach drafts that general-purpose search cannot replicate. Unlike competitors focused on company-centric profiles, Harmonic tracks 195 million-plus individual profiles—including junior engineers and operators—allowing investors to evaluate talent density and source founders before they announce a company.