Substack

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A place for independent writing. We make it simple for a writer to start a paid newsletter Media Publishing Consumer

Company News Substack Team Profile Media Startups Series B Route United States News

About Substack

Substack is tracked on 100Xfounder as a media company, founded in 2017, based in San Francisco Bay Area, California, USA, currently mapped to the Series B stage. A place for independent writing. We make it simple for a writer to start a paid newsletter Media Publishing Consumer

Profile snapshot: Founders linked: Substack Team. Funding tracked: $65.00M. Hiring focus: Open Roles. Tech tags: Node.js, React, Kafka, and Snowflake.

Recent signals:

Substack appears in the 100Xfounder startup directory import feed.

Why it Matters

Substack is worth tracking because its funding history is already mapped here, including a $65.00M round, the hiring signal points to active work across Open Roles roles, recent coverage is already tied back to this page, and Substack Team's founder profile is linked directly from the company page. Use this page as the starting point before moving into the company news hub, founder profiles, and related market pages.

Funding Snapshot

Total Funding: $65.00MLast Round: Series B Andreessen Horowitz, $65M Series B in 2021, $650M valuationAll Rounds: 1

Series B | Andreessen Horowitz, $65M Series B in 2021, $650M valuation

Hiring Roles

This company is actively hiring.

Open Roles

Meet the Founders

Substack Team

Founder & CEO

Founder Profile LinkedIn

Tech Stack

Node.jsReactKafkaSnowflake

Last updated: June 1, 2026

Substack research snapshot

This page is assembled from the published company profile, linked founder directory records, and tagged newsroom context already stored on 100Xfounder. It is most useful as a quick starting point before moving into the deeper company, founder, and hub routes below.

Company summary
A place for independent writing. We make it simple for a writer to start a paid newsletter Media Publishing Consumer
Founders covered
Substack Team
Market position
Media | Series B | San Francisco Bay Area, California, USA
Newsroom signal
No direct company-tagged stories are mapped yet; use the connected hubs below for broader market context.
Funding signal
$65.00M

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Company News Hub Substack Team United States News Media Startups Series B Funding News

Active topics

Startup News Founder Intelligence

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Company News Hub Topic Hubs Funding News

No company-specific newsroom stories available yet.

Contextual Research Links

Jump to country, industry, stage, startup taxonomy, and newsroom routes tied to this company.

Company profile→Founder profile→United States startup directory→Startups in United States→Media hub→Media startup list→Series B startup list→Series B newsroom→Media startups in United States→Founder directory→

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FAQs About Substack

Common questions people ask about this profile.

What is Substack?

A place for independent writing. We make it simple for a writer to start a paid newsletter Media Publishing Consumer

Who founded Substack?

Substack is associated with Substack Team on 100Xfounder.

Where is Substack located?

Substack is listed in San Francisco Bay Area, California, USA.

What stage is Substack in?

Substack is currently mapped to Series B. Funding context: Andreessen Horowitz, $65M Series B in 2021, $650M valuation

What is the latest funding round of Substack?

Substack's latest tracked round is Series B Andreessen Horowitz, $65M Series B in 2021, $650M valuation. Total tracked rounds: 1.

Is Substack hiring now?

Substack hiring status: Open Roles.

What technologies does Substack use?

Substack is associated with Node.js, React, Kafka, and Snowflake.

Is Substack verified on 100Xfounder?

Yes. Substack is currently marked verified on 100Xfounder as of June 1, 2026.

How can users connect with Substack founders?

Users can move from the company page to any linked founder profiles, review the company news hub, and use listed company links when public contact routes are available.