Substack
A place for independent writing.
San Francisco, United States · Founded 2017 · $180.3M raised
- Headquarters
- San Francisco, California
- Employees
- 51–200
- Founded
- 2017
- Business Model
- B2B
- Website
- substack.com
- Total Funding
- $180.3M
- Last Round
- $100.0M Series CJul 2025
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
Indexed holds 3 funding rounds and 4 investors for this company. The full record is or through the API.
About
Substack is a media platform that lets writers, podcasters, and video creators publish directly to subscribers and earn money from subscriptions, keeping 90% of the revenue they generate. Creators can host newsletters, podcasts, and live video, build an audience through Substack's built-in discovery network of tens of millions of weekly readers, and access legal support through Substack Defender. The platform is free to start, with no platform fees or long-term contracts, and monetizes only when creators do.
Summary
Substack is a Marketplace company based in San Francisco, United States, founded in 2017. It has raised $180.3M in total across 3 rounds, most recently a $100.0M Series C round in Jul 2025. Investors include Andreessen Horowitz, Bond Capital and The Chernin Group.
Tech & App Stack
5 technologies & apps tracked
Every product and vendor across these categories, with where each signal came from.
Create a free account with 25 free credits every month, no card needed, to unlock the full tech & app stack, funding history, and valuations.
Funding History
Jul 2025
Sign up to see all 3 events
Funding: Series A through Series C. Amounts, valuations, and investors where available.
Investors
Similar Companies

Didi Chuxing is a mobile transportation platform, offering a full range of commuting options to 4...
America's #1 audio company, reaching 9 out of 10 Americans every month with broadcast radio, podc...

India's largest e-commerce marketplace offering electronics, fashion, grocery, and more across hu...

Grab is Southeast Asia's leading super-app, providing ride-hailing, food and grocery delivery, di...
Appears in
Your company? Embed this profile
Add the live badge to your site — it stays current as your funding data updates.
<a href="https://indexed.vc/companies/substack"><img src="https://indexed.vc/api/badge/company/substack" alt="Substack on Indexed.vc" width="260" height="76" /></a>


