Massive (formerly Polygon.io) vs OpenCorporates
OpenCorporates
6.2#2 in apis data servicesFrom £2,250 a yearWebAPI
VisitWhat both publish
| Fact | Massive (formerly Polygon.io) | OpenCorporates |
|---|---|---|
| Founded | 2017 | 2010 |
Massive (formerly Polygon.io) plans
No prices published.
OpenCorporates plans
- Essentials£2,250 a year
- Starter£6,600 a year
- Basic£12,000 a year
- EnterprisePriced on request
Pick Massive (formerly Polygon.io) if…
You want what its maker publishes above — check its page for the details.
Pick OpenCorporates if…
OpenCorporates suits teams that need company data for verification, investigations, risk management, or business discovery. Its free at-scale access is specifically available to investigative journalists, NGOs, universities, and anti-crime-and-corruption research groups.