Harmonic is a dynamic data provider that specializes in fast-growing start-up data. The data points you can filter by from Harmonic are unique and it's a great option for layering on highly specific filters to a broader audience.
Filters we recommend using from Harmonic (if applicable to your audience goals):
- Change in Headcount over a set period of time
- Funding data (pulled from Crunchbase)
- Social Stats (Facebook, Instagram, Twitter followers, etc.)