Substack

Based in the US, Substack Inc.Substack Inc. operates as a platform for writers and creators to publish newsletters. Founded in 2017, the company is headquartered in San Francisco, US. The founders include Akshay Salunkhe, Alex Cornell, April Xu, Chris Best, Christopher Best, Danna Peña, Eedha Kaul, Federico Cestelli, Frank Lapinski, Hamish Mckenzie, Jasjeet B, Maryam Gharavi, Noa Perugia, Rav Arora, and Ryan Van. In July 2025, Substack Inc.58 million post-money. Substack primarily operates as a platform that empowers writers and creators to publish newsletters and engage directly with their audiences. The core offering allows users to create, distribute, and monetize their newsletters, granting them full control over their content and subscriber base. Substack serves a diverse clientele, including independent writers, journalists, and content creators, who utilize the platform to share their insights, stories, and analyses across a multitude of topics. Users benefit from subscription models that facilitate recurring revenue streams, enabling them to cultivate dedicated readerships.Substack generates revenue primarily through subscription fees collected from readers who opt to subscribe to individual newsletters. The standard transaction structure involves creators setting subscription prices, which can vary based on the content offered, thereby establishing a direct relationship with their audience. This B2C model allows for various pricing plans that cater to different segments of readers, facilitating both free and paid subscriptions. In addition to individual subscriptions, Substack may engage in partnerships with select creators or publishers, further enhancing its revenue potential.

1. Series C

   Jul 17, 2025

   Amount

   $100M

   Investors

   Locked

2. Series B

   Apr 28, 2021

   Amount

   $65M

   Investors

   Locked

3. Series A

   Jul 8, 2019

   Amount

   $19M

   Investors

   Locked

4. Seed

   Apr 30, 2018

   Amount

   $2M

   Investors

   Locked