Substack
Subscription publishing platform for writers. Millions of paid subscribers across politics, fiction, sports, and tech.
- Location
- San Francisco, United States
- Raised
- $85M+
- Stage
- Series B
- Founded
- 2017
- Category
- Marketplace
- Funding
- VC-backed
- Team
- 51-200
Funding figures as of Jul 2025 · not independently verified
Founders of Substack
- Chris Best
- Hamish McKenzie
- Jairaj Sethi
Investors backing Substack
- Andreessen Horowitz
- Sequoia
- Notation Capital
Frequently asked questions
What does Substack do?
Subscription publishing platform for writers. Millions of paid subscribers across politics, fiction, sports, and tech.
Where is Substack based?
Substack is based in San Francisco, United States.
When was Substack founded?
Substack was founded in 2017.
How much has Substack raised?
Substack has raised $85M+ in their Series B round as of Jul 2025.
Who founded Substack?
Substack was founded by Chris Best, Hamish McKenzie, Jairaj Sethi.
Who has invested in Substack?
Substack is backed by Andreessen Horowitz, Sequoia, Notation Capital.
How Substack would pitch themselves
○ Auto-generated01Target customer
Culture — the core audience Substack's product is built around.
02Problem they solve
Subscription publishing platform for writers. Millions of paid subscribers across politics, fiction, sports, and tech. The category has historically been served by tools that miss the modern workflow this product is built around.
03Key differentiator
Substack differentiates on a new economic engine for culture. Backed by Andreessen Horowitz + Sequoia, $85M+ raised — the company has resources + validation to compound this thesis. Founded by Chris Best + team.
04Go-to-market strategy
Growth-stage GTM — multi-channel revenue motion (direct enterprise sales, channel partnerships, marketplace listings). Vertical specialisation + verticalised AE teams targeting enterprise + mid-market.