# Harmonic.ai

**Source:** https://geo.sig.ai/brands/harmonicai  
**Vertical:** Data & Analytics  
**Subcategory:** AI Company Intelligence & Deal Sourcing  
**Tier:** Challenger  
**Website:** harmonic.ai  
**Last Updated:** 2026-04-14

## Summary

AI startup intelligence database with 30M+ companies and 190M+ people; used by Accel, Greylock, and Menlo for early-stage deal sourcing; aggregates funding, hiring, and product signals to identify breakout companies before they become known.

## Company Overview

Harmonic.ai is an AI-powered startup and private company intelligence platform founded in 2020 in New York City, built to give venture capital investors and institutional deal teams real-time visibility into the global private company landscape. The company's core technology aggregates signals from funding announcements, hiring patterns, product launches, regulatory filings, and web data to build continuously updated profiles on private companies before they become publicly known fundraising targets — giving investors an early-signal advantage in competitive deal sourcing.\n\nThe Harmonic platform provides investors with a searchable database of more than 30 million companies and 190 million people, combined with proprietary scoring models that identify breakout companies at early stages of growth. Key features include AI-generated company summaries, investment fit scoring, alumni and network tracking, and automated portfolio monitoring. The platform is used by leading venture firms including Accel, Greylock, and Menlo Ventures, which validates its utility at the top of the institutional investor market.\n\nHarmonic has raised approximately $30 million in total funding, reflecting strong investor conviction in the intelligence layer for private market investing. As venture capital competition for the best deals intensifies and AI dramatically expands the surface area of relevant startup signals, Harmonic's data infrastructure and scoring models address a critical bottleneck for investment teams: finding non-consensus opportunities before they become consensus. Its positioning at the intersection of AI and venture intelligence gives it a natural growth path as private market data becomes increasingly central to investment strategy.

## Frequently Asked Questions

### What is Harmonic.ai?
AI startup intelligence platform with 30M+ companies and 190M+ people for investors and GTM teams to discover emerging startups in real time.

### Who uses Harmonic.ai?
Leading VCs (Accel, Greylock, Menlo) and GTM teams from Notion, Google, Retool.

### How much has Harmonic.ai raised?
~$30M including $23M Series A led by Sozo Ventures with Craft Ventures.

### Is Harmonic.ai the same as Harmonic AI?
No. Harmonic.ai is a startup database. Harmonic AI is a separate lab focused on mathematical superintelligence.

### Who founded Harmonic.ai?
Bryan Casey and Max Ruderman in 2020, New York.

### What is Harmonic.ai and what data does it provide?
Harmonic.ai is a company intelligence platform that tracks funding events, team growth, technographic signals, and other early indicators of startup momentum, helping investors and sales teams identify emerging companies before they become widely known.

### How does Harmonic.ai differ from Crunchbase or PitchBook?
Harmonic.ai focuses on real-time signals from primary sources—job postings, LinkedIn headcount, web traffic, and funding filings—to surface momentum indicators earlier and with more granularity than traditional company databases updated manually.

### Who uses Harmonic.ai?
Harmonic.ai is used by venture capital firms tracking emerging startups, B2B sales teams identifying high-growth prospects, and corporate development teams monitoring competitive landscapes for acquisition targets.

## Tags

analytics, b2b, saas

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*Data from geo.sig.ai Brand Intelligence Database. Updated 2026-04-14.*