# Harmonic

> Harmonic is a startup discovery engine built for venture investors, corporate development teams, and go-to-market professionals. It aggregates and continuously refreshes structured and unstructured data on more than 30 million companies and 190 million people, then lets users run granular, multi-criteria searches and AI-powered research to find promising startups before anyone else does. Founded in 2020 and now headquartered in New York, the company positions itself as 'the source of truth for startups.'

- **Founded:** 2020
- **Headquarters:** New York, United States
- **Founders:** Max Ruderman (Co-founder & CEO), Bryan Casey (Co-founder), Ajay Sohmshetty (Co-founder)
- **Team size:** ~70 employees
- **Products:** Startup Database, Scout, Search & Filters, Network Mapping & Alerts, Chrome Extension
- **Notable:** Raised $30M total across Seed and Series A from investors who were customers first., Grew its index to 30M+ companies and 190M+ people with industry-leading data refresh rates., Cited by a Tier-1 VC as the source of 4 of its 9 most recent deals.

## Products & services

- **Startup Database** — Proprietary, continuously refreshed dataset covering 30M+ companies and 190M+ people, with firmographics, team data, funding history and headcount trends.
- **Scout** — AI agent that answers natural-language questions about markets and companies and produces agentic research reports pulling from proprietary and web data.
- **Search & Filters** — Granular, multi-criteria search across industry, founding date, fundraising history, headcount growth, founder background and social signals.
- **Network Mapping & Alerts** — Maps team connections and monitors them, with real-time alerts on talent movement and company milestones.
- **Chrome Extension** — Surfaces instant Harmonic insights on any webpage.
- **API & Data Services** — REST/GraphQL APIs and bulk data delivery to warehouses for programmatic access and enrichment.

## Achievements

- Raised $30M total across Seed and Series A from investors who were customers first.
- Grew its index to 30M+ companies and 190M+ people with industry-leading data refresh rates.
- Cited by a Tier-1 VC as the source of 4 of its 9 most recent deals.
- Publishes the quarterly 'Hot 25 Startups' ranking based on aggregated investor interest.

## Latest updates

- **2022-11** — Closed a $23M Series A led by Sozo Ventures with Craft Ventures and Floodgate participating.
- **2024-01** — Detailed how it built its investment research agent on LangGraph and LangSmith.

## Links

- Website: https://harmonic.ai
- LinkedIn: https://www.linkedin.com/company/harmonicai
- Twitter/X: https://twitter.com/moonbasesf
- Facebook: https://facebook.com/moonbaseSF

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Profile page: https://yespress.io/harmonic
Published by YesPress — https://yespress.io
Last updated: 2026-06-15