Harmonic is the complete startup database that tracks 35M+ companies and 195M+ people. The platform enables users to find companies and people they are looking for based on any investment thesis or ideal customer profile, with constantly updating data to stay ahead of competition and ensure CRM context is current.

How does Harmonic get its data?

Harmonic sources data from legal filings and dozens of public data sources, refreshing data regularly to maintain currency and accuracy.

Why is Harmonic better than other startup databases?

Harmonic finds companies at their earliest stages of formation well before other startup databases and keeps all data points fresh. The platform has broader coverage, greater depth, and unmatched freshness and accuracy. It maps company and robust people data allowing filtering by team composition and changes, and lets data work where users need it via API, Chrome Extension, and integrations.

Where can I read more about Harmonic?

Users can watch a video demo of the platform, visit the blog, or read customer stories to learn how firms leverage Harmonic's data. For specific questions, users can email support@harmonic.ai.

Business profile · Analytics & Data

Harmonic

The startup discovery engine

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Harmonic at a glance

Harmonic

Category: Analytics & Data
Based in: New York, United States
Website: harmonic.ai
Votes: 0

Harmonic metrics

Info on harmonic.ai: Ahrefs Domain Rating and Majestic link info, each with the change since the last update.
Metric	Value
Domain Rating	66 +1 (up) since last check
Trust Flow	24 no change since last check
Citation Flow	44 no change since last check
Referring domains	932 no change since last check
External backlinks	17,315 no change since last check

Info: Ahrefs Domain Rating as of 17 Oct 2026, last changed 8 Oct 2026. Info: top topic is Business/Investing (23). Info: Majestic as of 3 Oct 2026, last changed 3 Oct 2026. Link info from Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.

Harmonic domain at a glance

Source: the public RDAP record, checked 16 Oct 2026, 14:17 UTC.
Domain age	8 years
Registered	15 Jun 2018
Expires	15 Jul 2027
Registrar	Porkbun LLC
DNSSEC	Not signed

Complete domain info for harmonic.ai

A complete startup database tracking 35M+ companies and 195M+ professional profiles with real-time data, enabling venture capital firms and investors to discover and monitor startups before competition.

About

Homepage of Harmonic

Harmonic is a complete startup database that tracks over 35 million companies and 195 million professional profiles in real-time. The platform enables investors and venture capital firms to discover companies at their earliest stages of formation, well before traditional startup databases, and keeps all data points fresh.

The company provides solutions across multiple use cases including venture capital deal sourcing, growth capital monitoring, corporate development, and go-to-market prospecting. Users can discover companies through granular filters on fresh data, research with AI-powered agentic reports, and act through workflow organization and outreach directly on the platform.

Harmonic offers Scout, an AI agent designed specifically for investors that can run scheduled searches, generate market maps, and surface talent movements. The platform integrates with existing workflows through a Chrome extension, API access, bulk data delivery, and no-code integrations with tools like Zapier and n8n.

The company operates from its headquarters in New York and serves hundreds of venture teams who use Harmonic's sourcing engine to make data-driven investment decisions.

Features at a glance

Search 35M+ companies and 195M+ professional profiles
AI agent Scout for automated research and discovery
Real-time alerts for company and talent movements
Network mapping and relationship tracking
Chrome extension for instant insights
REST and GraphQL API access
Bulk data delivery to data warehouse
Zapier and n8n integrations
MCP integration for AI conversations
Market maps and talent flow analysis

Compare and explore

Quick answers

What is Harmonic?: Harmonic is the complete startup database that tracks 35M+ companies and 195M+ people. The platform enables users to find companies and people they are looking for based on any investment thesis or ideal customer profile, with constantly updating data to stay ahead of competition and ensure CRM context is current.
How does Harmonic get its data?: Harmonic sources data from legal filings and dozens of public data sources, refreshing data regularly to maintain currency and accuracy.
Why is Harmonic better than other startup databases?: Harmonic finds companies at their earliest stages of formation well before other startup databases and keeps all data points fresh. The platform has broader coverage, greater depth, and unmatched freshness and accuracy. It maps company and robust people data allowing filtering by team composition and changes, and lets data work where users need it via API, Chrome Extension, and integrations.
Where can I read more about Harmonic?: Users can watch a video demo of the platform, visit the blog, or read customer stories to learn how firms leverage Harmonic's data. For specific questions, users can email support@harmonic.ai.

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