Substack

San Francisco, United States Founded: 2017 • Age: 9 yrs Unicorn
Subscription-based platform for publishers content management is provided.

About Substack

Substack is a Media & Entertainment company based in San Francisco (United States) founded in 2017 by Jairaj Sethi, Hamish McKenzie, Christopher Best, and Ryan Everton. Subscription-based platform for publishers content management is provided. Substack has raised $189.5 million across 6 funding rounds from investors including Wefunder, FundersClub and TCG Ventures. The company has 4,285 employees. Substack has completed 2 acquisitions, including Cocoon and Yem. Substack was last valued at $1.1 billion in December 2025. Its chief executive, as recorded, is Christopher Best. Its website substack.com draws about 166.9 million monthly visits. Its Indian entity Transfin Media Private Limited reported revenue of β‚Ή1.1 Lakh. Its focus areas include Tech for Digital Publishers, Content Management, CMS and Digital Publishing Platforms. Its competitors include Patreon, WordPress and Scoop.it; 3 of its 3 listed competitors have raised funding.

Company details

Substack was founded in 2017 in San Francisco, United States, as a content management platform in the digital publishing sector. Independent publishers are supported through tools for hosting and content creation. Subscriptions and memberships from readers are facilitated to replace ad-based revenue. Payments are processed on behalf of publishers, with a share of subscription income retained as the platforms fee. Operations focus on enabling direct monetization for creators.

  • Headquarters San Francisco, United States
  • Employees 4,285
  • Founders Jairaj Sethi, Hamish McKenzie, Christopher Best, Ryan Everton
  • Stage Unicorn
  • Sectors
    Media & Entertainment
  • Website category News and Media
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Website substack.com/home
  • Social LinkedIn X
  • Legal Name Transfin Media Private Limited
  • Date of Incorporation 08 Feb, 2017
Key Metrics
  • Indian entity revenue
    ₹1.1 Lakh

    FY 2022 · +338% YoY

  • Indian entity net loss
    -₹33.5 Lakh

    FY 2022 · -3041% margin

  • Indian entity EBITDA
    -₹28.7 Lakh

    FY 2022 · -2600% margin

  • Total Equity Funding
    $189.5M (USD)

    in 6 rounds

  • Latest Funding Round
    $100M (USD), Series C

    Jul 2025

  • Investors
    Wefunder

    & 32 more

  • Employee Count
    4,285
  • Investments & Acquisitions
    Cocoon

    & 1 more

Apps and channels of Substack

Substack publishes 1 mobile app with over 1M+ downloads.

Substack
Google Play News & Magazines Teen Free 1M+ downloads
Developer: Substack Inc.
View on Google Play

Funding Insights of Substack

Substack has successfully raised a total of $189.5M across 6 strategic funding rounds. The most recent funding activity was a Series C round of $100 million completed in July 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $189.5M
  • Total Rounds 6
  • Last Round Series C β€” $100M
  • First Round $125,000

    (Feb 2018)

  • Investors Count 33

All 6 funding rounds of Substack with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Jul 2025$100MSeries C–Bond Capital, TCG Ventures
May 2023$3.29MSeries B––
–
Mar 2021$65MSeries B–Andrew Chen
–
Jul 2019$19.09MSeries A–a16z
May 2018$2MSeed–Zhen Fund, Garage Capital
Feb 2018$125,000Seed––
Valuation history
DateValuationStage
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Last known valuation $1.1B (Dec 2025). 33 investors in total: 28 institutional and 5 angel.

Investors in Substack

Substack has secured backing from 33 investors, including angel, venture fund, and institutional investors. Prominent investors backing the company include Wefunder, FundersClub and TCG Ventures.

All
Venture Fund
Institutional
Angel
InvestorDescriptionFounded YearDomainLocation
Venture capital investments in technology sectors are handled by Andreessen Horowitz.
a16z.com
Early-stage startups are accelerated via funding and educational programs.
ycombinator.comMountain View, United States
Tech & Offline focused Seed stage VC Firm investing primarily in Asia and the US
zhenfund.comBeijing, China
Seed-stage investments are made by Garage Capital across multiple sectors.
garage.vcKitchener, Canada
Venture capital firm focused on multiple sectors
fiftyyears.comSan Francisco, United States
Investments in multiple sectors are made by Bond Capital.
bondcap.comSan Francisco, United States
bondcapital.ca
Angel investments in early-stage ventures are managed by VentureSouq.
venturesouq.comDubai, United Arab Emirates
Early-stage venture capital funding is provided by Xfund.
xfund.comCambridge, United States
Venture capital firm investing in multiple sectors
atelierventures.coPittsburgh, United States
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Investor details for Substack

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Board of directors of Transfin Media Private Limited (Substack)

Transfin Media Private Limited is the primary company behind Substack. The board of Transfin Media Private Limited currently have 3 directors; the longest-serving is Ritu Arora, appointed in 2017. 1 earlier director has ceased.

DirectorDesignationAppointedTenureEntity
Ritu Arora
DIN 07696571
Director08 Feb 20179 yrs 9 moTransfin Media Private Limited
Nikhil Arora
DIN 07694537
Director08 Feb 20179 yrs 9 moTransfin Media Private Limited
Sharath Chandra Toopran
DIN 08164418
Director03 Jul 20188 yrs 4 moTransfin Media Private Limited

People of Substack

206 people are tracked at Substack (20 in leadership, 186 in team); the tracked headcount is 4,285.

NameRoleGroup
Jairaj Sethi
Co-Founder & CTOLeadership
Hamish McKenzie
Co-FounderLeadership
Christopher Best
Co-Founder & CEOLeadership
Ryan Everton
FounderLeadership
Chris Best
Co-Founder & CEOLeadership
Dillard Mills Baker
Head of DesignLeadership
Helen Tobin
Head Of CommunicationsLeadership
Kenneth Rapoza
Managing Editor Of The Double Plus NewsletterLeadership
Jasjeet B.
Co-founder Of Green PathLeadership
Shauna M. Ahern
Head WriterLeadership
Karim Damji
Chief Financial OfficerLeadership
Julien Petit
Head Writer - "the VC Insider"Leadership
Carla Faraguna
Executive Assistant To Chief Executive OfficerLeadership
Mike Cohen
Head Of AI & ML EngineeringLeadership
Maryam Monalisa Gharavi
Founder & Author, ExhaustLeadership
Faisal Khan
Chief Content Creator, Newsletter & BlogLeadership
Kristen Felicetti
Head Of SupportLeadership
Kevin Huynh
VP OperationsLeadership
Dan Stone
Head Of Culture & MusicLeadership
Sachin Monga
VP Of ProductLeadership

186 more people are available in the full profile.

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Financials of Substack

Figures of Transfin Media Private Limited, the primary company behind Substack, for FY 2022. Revenue was ₹1.1 Lakh (+338% year on year). Net loss was -₹33.5 Lakh (-3041% margin). EBITDA was -₹28.7 Lakh (-2600% margin).

  • ₹1.1 LakhRevenue · FY 2022 · +338% YoY
  • -₹33.5 LakhNet loss · -3041% margin
  • -₹28.7 LakhEBITDA · -2600% margin
  • ₹1.2 LakhPaid-up capital

Balance sheet, profit and loss, cash flow and ratios of Transfin Media Private Limited are on its company page.

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Detailed financial statements for Substack

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Investments & Acquisitions by Substack

Substack has strategically engaged in corporate development activities, having acquired 2 companies. Notable acquisitions include Cocoon and Yem.

Acquisitions
Company NameDescriptionDomainLocationFoundedAcquiredAmount
Platform offering email marketing software
joinyem.comCarpinteria, United States2021Sep 2022β€’β€’β€’β€’
Employee leave management software is provided by Cocoon.
cocoon.comSan Francisco, United States2020Aug 2021β€’β€’β€’β€’
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Timeline of Substack

6 dated milestones of Substack across 8 years, from founding to its latest funding, stage changes and deals.

  1. Founded Substack is founded.
  2. Funding First funding round of $125K.
  3. Acquisition Acquires Cocoon.
  4. Acquisition Acquires Yem.
  5. Funding Latest funding round, Series C, of $100.0M.
  6. Milestone Reaches Unicorn status.

Competitors of Substack

Substack has 3 listed competitors in our database, 3 of them funded. They include Patreon, WordPress and Scoop.it.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
patreon.com2013San Francisco, United States$412.1M392
Reward-based crowdfunding is facilitated for content creators and musicians.
wordpress.com2005San Francisco, United States$28,018800
Cloud-based website development and content management platform is offered.
scoop.it2010San Francisco, United States$2.6M797
Content curation and social sharing platform for businesses
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Detailed competitors of Substack

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Verified entity values are shown only after access is granted.

Web traffic of Substack

The website of Substack (substack.com) receives about 166.9M visits a month and ranks #293 among all websites worldwide, #30 in News and Media.

  • Monthly visits
    166.9M

    ▲ 18.7% vs previous month

  • Unique visitors
    43.2M

    per month

  • Global rank
    #293

    among all websites

  • Category rank
    #30

    News and Media

Similar websites

Websites whose visitors overlap most with Substack. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
finance.yahoo.com
finance.yahoo.com
100%
#205–
nytimes.com
98%
695.1M#71View details
theguardian.com
97%
338.1M#159View details
bbc.com
93%
547.1M#107View details
washingtonpost.com
92%
84.1M#674View details
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’β€’.comβ€’β€’%β€’.β€’M#‒‒‒‒‒–
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Top companies in Digital Media & Publishing Platforms

3 companies that operate in the same segment as Substack (Digital Media & Publishing Platforms) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Content is shared and discussed across user-driven communities.
2005San Francisco, California, United StatesUSD 1.62 B
Reward-based crowdfunding is facilitated for content creators and musicians.
2013San Francisco, California, United StatesUSD 412.1 M1,218
Native advertising solutions are delivered via a cloud-based content platform.
2006New York, New York, United StatesUSD 403.72 MUSD 1.3 B1,800
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Related news about Substack

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Frequently Asked Questions about Substack

Substack was founded in 2017 and raised its 1st funding round 1 year after it was founded.

Substack is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.

Christopher Best is the CEO of Substack, as recorded in our data. They have also founded this company.

Substack is a funded company, having raised a total of $189.5M across 6 funding rounds to date. The company's 1st funding round was a Seed of $125K, raised on Feb 2018.

Substack has 4,285 employees.

The primary company behind Substack, Transfin Media Private Limited, reported revenue of β‚Ή1.1 Lakh for FY 2022, up 338% year on year.

Substack was founded in 2017 in San Francisco, United States, as a content management platform in the digital publishing sector. Independent publishers are supported through tools for hosting and content creation. Subscriptions and memberships from readers are facilitated to replace ad-based revenue. Payments are processed on behalf of publishers, with a share of subscription income retained as the platforms fee. Operations focus on enabling direct monetization for creators.

Substack's top competitors include Patreon, WordPress and Scoop.it.

Substack has made 2 acquisitions, including Cocoon, and Yem.

Substack has 33 investors. Key investors include Wefunder, FundersClub, TCG Ventures, TRITON FUNDS, and Andrew Chen.

The valuation of Substack is $1.1B as of Dec 2025.

Substack operates through Transfin Media Private Limited.

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