Company Overview
About Substack
Substack is a publishing platform that enables writers, journalists, and creators to publish newsletters and build subscriber communities with integrated payment infrastructure. Founded in 2017 by Chris Best, Hamish McKenzie, and Jairaj Sethi, Substack popularized the creator-owned newsletter model by making it trivially easy to start a paid newsletter, handling payments, delivery, and subscriber management so writers could focus entirely on their content.
Business Model & Competitive Advantage
The platform has grown to host millions of writers and reached 5 million paid subscriptions as of 2025, with writers earning a collective $450M+ in annual gross revenue. Substack takes a 10% cut of subscription revenue, aligning its incentives directly with writer success. The platform has attracted major writers including Glenn Greenwald, Matt Taibbi, Heather Cox Richardson, and hundreds of former journalists from major media organizations, effectively enabling a new class of independent media institutions that rival traditional publications in audience and influence.
Competitive Landscape 2025–2026
Substack reached unicorn status in July 2025 with a $1.1 billion valuation, reflecting its position as critical infrastructure for the independent creator economy. The platform has expanded from pure email newsletters into podcasting, short posts (Notes), and video—building toward a comprehensive creator-reader relationship platform. Substack faces competition from Beehiiv and Ghost, but maintains network advantages from its large existing writer and reader community and the trust writers have built with its payment and subscriber management infrastructure.
Recent Activity
View all →Foreign Filing filed 2026-08-14
We spoke to SpyTalk's Jeff Stein in the days after his lawsuit was dismissed with prejudice in federal court
Foreign Filing filed 2026-07-30
Kicking off an honest series about writers, thinkers, creators, and AI—how a tech journalist works with AI
Foreign Filing filed 2026-07-29
Foreign Filing filed 2026-07-29
Foreign Filing filed 2026-07-29
Foreign Filing filed 2026-07-29
Foreign Filing filed 2026-07-29
Foreign Filing filed 2026-07-29
Honest conversation, the first wave of “How I make this” statements, and an upcoming series on how publishers are using and feeling about AI
A day in the life of a reporter on the road, growing his Substack, and contending with the Americanization of the world’s game
Key Differentiators
Emerging Innovator
Substack is an emerging player bringing innovative solutions to the Media & Publishing market.
Frequently Asked Questions
Estimated Visibility Trend (Beta)
Simulated 8-week rolling score
Based on estimated brand signals. Historical tracking coming soon.
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