Substack

Company United States

Substack is a company in social networks and media platforms founded in 2,017^[1] and based in San Francisco, California^[1].

“Substack is the app for independent voices: a free newsletter, video, and podcast hosting platform with paid subscriptions built in.”^[2]

Founded: 2,0173 Nov 2026
Employees: 51-200
Sources: 33 sites

Sources3

Only what anyone could find on the open web appears here: company sites, registries, filings, reviews and press. Private material never shows on a public page.

3 pages on 3 sites, each linked to the exact address it was read at.Sign in free to see the findings each page supports

3 pages matching on invest.microventures.comAll sites

invest.microventures.comOther web page1 finding · 1 page
- MicroVentures company profile: Substack

Research behind the page

How the public findings were gathered: research runs, who contributed and how many pages were read, then who stands behind each item.

Open-web sources cited: 3

Evidence

How sure each item is

Verified0
Self-reported0
Inferred60
Low confidence0

Sources most relied on

en.wikipedia.org58 items · read 20 hours ago
substack.com1 item · read 13 hours ago
invest.microventures.com1 item · read 20 hours ago