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Substack logo.png
Type of site
Subscription platform
Created by
  • Chris Best
  • Hamish McKenzie
  • Jairaj Sethi
Employees20 (December 2020)[1]
Launched2017; 4 years ago (2017)[2][3]
Current statusLive

Substack is an American online platform that provides publishing, payment, analytics, and design infrastructure to support subscription newsletters.[4] It allows writers to send digital newsletters directly to subscribers.[5][6] Founded in 2017, Substack is headquartered in San Francisco, California.[7]


Substack was founded in 2017 by Chris Best, the co-founder of Kik Messenger; Jairaj Sethi, a developer; and Hamish McKenzie, a former PandoDaily tech reporter.[8][9] Best and McKenzie describe Ben Thompson's Stratechery, a subscription-based tech and media newsletter, as a major inspiration for their platform.[4] Christopher Best operated as chief executive as of March 2019.[10]


Substack users range from journalists,[11][12] to experts, to large media sites.[13] Among the high-profile writers to have used the platform are political-economics journalist Matthew Yglesias, culture critic Anne Helen Petersen, music essayist Robert Christgau, and food writer Alison Roman.[14] The New York Times columnist Mike Isaac argued in 2019 that some of these companies see newsletters as a more stable means to maintain readers through a more direct connection with writers.[10] In 2020, The New Republic said there was an absence of local news newsletters, especially in contrast to the large number of national-level political newsletters.[15] As of late 2020, large numbers of journalists and reporters were coming to the platform, driven in part by the long-term decline in traditional media (there were half as many newsroom jobs in 2019 as in 2004).[16] Around that time, The New Yorker said that while "Substack has advertised itself as a friendly home for journalism, [...] few of its newsletters publish original reporting; the majority offer personal writing, opinion pieces, research, and analysis."[1] It described Substack's content moderation policy as "lightweight," with rules against "harassment, threats, spam, pornography, and calls for violence; moderation decisions are made by the founders."[1]

In 2019, Substack added support for podcasts and discussion threads among newsletter subscribers.[17][18]

Major writers on Substack include historian Heather Cox Richardson, author Daniel M. Lavery, and economist Emily Oster.[19]


Authors can decide to make subscription to their newsletter free or paid, and to make specific posts publicly available to non-subscribers.[1] As of 2020, the minimum fee for a subscription was $5/month or $30/year,[1] and Substack usually takes a 10 percent fee from subscription payments.[13][8] Advertising to users plays no role in revenue generation.[16] In February 2019, the platform began allowing creators to monetize podcasts.[20]

Substack reported 11,000 paid subscribers as of 2018, rising to 50,000 in 2019.[20]

Chris Best discussing mobile advertising in 2015

Substack raised an initial seed round in 2018 from investors including The Chernin Group, Zhen Fund, Twitch CEO Emmett Shear, and Zynga co-founder Justin Waldron.[21] Andreessen Horowitz provided $15.3 million in Series A funding in 2019, some of which went to bringing high-profile writers into Substack's network.[22] Substack has provided some content creators with advances to start working on their platform.[13] In 2019, the site provided a fellowship to some writers, which included a $3,000 stipend and a one-day workshop in San Francisco. In 2020, following the onset of the coronavirus pandemic, Substack extended grants of $1,000–$3,000 to over 40 writers to begin working on the platform.[8] The decline of sports-oriented publications such as Sports Illustrated, Deadspin, and SB Nation, coupled with the onset of coronavirus, led to a surge in sports journalists moving to write on Substack in 2019 and 2020. However, Substack competes with subscription site The Athletic in this submarket, so McKenzie says the company does not recruit as strongly in that market.[8] Substack expanded into comics content in 2021 and signed creators including Saladin Ahmed, Jonathan Hickman, Molly Ostertag, Scott Snyder, and James Tynion IV, paying them while keeping their subscription revenue. After their first year, Substack will take 10 percent of subscription revenue.[19]

The Substack founders reached out to a small pool of writers in 2017 to acquire their first creators.[9] Bill Bishop was among the first to put his newsletter, Sinocism, on Substack, providing his newsletter for $11 a month or $118 a year with daily content.[4] As of 2019, Bishop's Sinocism was the top paid newsletter on the service.[20] By late 2020, the conservative newsletter The Dispatch claimed the title of top Substack user, with more than 100,000 subscribers and over $2 million in first-year revenue, according to founder Steve Hayes.[16] In May 2021, Substack acquired Brooklyn-based startup People & Company.[23]

In August 2020, Substack reported that over 100,000 users were paying for at least one newsletter.[22] As of August 2021, Substack had more than 250,000 paying subscribers and its top ten publishers were making $7 million in annualized revenue.[24]

Privacy incident[edit]

On July 28, 2020, Substack sent out email notifications to all its users about changing privacy policies and notification about CCPA compliance. In this notification email, email addresses of all recipients were inadvertently included in the email 'cc' field rather than in the 'bcc' field. This exposed the email addresses of many Substack users.[25] Per an acknowledgement post on the social media site Twitter, the company indicated that the issue was remedied after the initial batch of emails, but did not disclose the number of users affected.[25]

Substack Pro[edit]

In March 2021, Substack revealed that it had been experimenting with a revenue sharing program in which it paid advances for writers to create publications on its platform; this became a program known as Substack Pro.[26] Substack has been criticized for not disclosing which writers were part of Substack Pro.[27]

Substack Defender[edit]

Substack provides legal advice to its writers through its program, Substack Defender. Lawyers provide a legal review of stories before they are published, and provide advice surrounding cease-and-desist letters related to writers' work.[28]


  1. ^ a b c d e Wiener, Anna (28 December 2020). "Is Substack the Media Future We Want?". The New Yorker. Retrieved 11 February 2021.
  2. ^ "Substack celebrates its first birthday with 25K paying newsletter subscribers".
  3. ^ McKenzie, Hamish. "Why we pay writers".
  4. ^ a b c Kafka, Peter (16 October 2017). "Meet the startup that wants to help you build a subscription newsletter business overnight". Vox.
  5. ^ "Analysis | A classic Silicon Valley tactic — losing money to crush rivals — comes in for scrutiny". Washington Post. ISSN 0190-8286. Retrieved 29 July 2021.
  6. ^ Fatemi, Falon. "The Rise Of Substack—And What's Behind It". Forbes. Retrieved 29 July 2021.
  7. ^ "Here's How the Top Newsletter Platforms Challenging Substack Stack Up". TheWrap. 20 July 2021. Retrieved 29 July 2021.
  8. ^ a b c d Strauss, Ben (1 June 2020). "Out-of-work sportswriters are turning to newsletters, hoping the economics can work". The Washington Post.
  9. ^ a b Bilton, Ricardo (5 October 2017). "'Stratechery as a service': Substack aims to streamline the creation of independent subscription news sites". Nieman Lab.
  10. ^ a b Isaac, Mike (19 March 2019). "The New Social Network That Isn't New at All". The New York Times.
  11. ^ Daniels, Chris (11 December 2020). "Journalism's future or passion project? Breaking down the world of Substack". PRWeek. Retrieved 25 February 2021.
  12. ^ Recker, Jane (22 December 2020). "Substack Is Attracting Big DC Journos. Who's Making the Leap?". Washingtonian. Retrieved 25 February 2021.
  13. ^ a b c Smith, Ben (24 May 2020). "The New Model Media Star Is Famous Only to You". The New York Times.
  14. ^ Ha, Anthony (18 March 2021). "Substack faces backlash over the writers it supports with big advances". TechCrunch. Retrieved 3 June 2021.
  15. ^ Shephard, Alex (25 May 2020). "Is Email the Future of Journalism?". The New Republic.
  16. ^ a b c Tracy, Marc (23 September 2020). "Journalists Are Leaving the Noisy Internet for Your Email Inbox". The New York Times. Writers own their newsletters, and the platform takes a 10 percent cut.
  17. ^ Ha, Anthony (3 June 2019). "Substack expands its subscription platform with discussion threads". TechCrunch.
  18. ^ Ha, Anthony (7 February 2019). "Subscription platform Substack adds podcast support". TechCrunch.
  19. ^ a b Gustines, George Gene (August 9, 2021). "Comic Book Writers and Artists Follow Other Creators to Substack". The New York Times. ISSN 0362-4331.
  20. ^ a b c Owen, Laura Hazard (16 July 2019). "Email newsletter platform Substack nabs $15.3 million in funding (and vows it won't go the way of other VC-funded media companies)". Nieman Lab.
  21. ^ "Substack raises $2 million to prove newsletters can help media".
  22. ^ a b Walsh, James D. (29 August 2020). "A Guide to the Newsletter Economy". Intelligencer.
  23. ^ "Substack acquires team from community consulting startup People & Company". TechCrunch. Retrieved 14 May 2021.
  24. ^ Fatemi, Falon. "The Rise Of Substack—And What's Behind It". Forbes. Retrieved 1 September 2021.
  25. ^ a b McKay, Tom (28 July 2020). "Substack Just Accidentally Revealed Email Addresses of Tons of Users". Gizmodo. Retrieved 29 July 2020.
  26. ^ McKenzie, Hamish (12 March 2021). "Why we pay writers". Substack Blog. Retrieved 12 April 2021.
  27. ^ Kafka, Peter (19 March 2021). "Substack writers are mad at Substack. The problem is money and who's making it". Recode. Retrieved 12 April 2021.
  28. ^ Fatemi, Falon. "The Rise Of Substack—And What's Behind It". Forbes. Retrieved 1 September 2021.

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