Where is Substack's headquarters?

Substack is located in San Francisco, California, United States.

Who invested in Substack?

Substack has 34 investors including E1 Ventures And Jens Grede.

When was the last funding round for Substack?

Substack closed its last funding round on obfuscated from a Secondary Market round.

Who are Substack's competitors?

Alternatives and possible competitors to Substack may include beehiiv, Patreon, And Medium.

How much funding has Substack raised to date?

Substack has raised obfuscated.

Substack - Growth Outlook

Growth Outlook

Growth Score

updated Jan 4, 2026

-11 pts

in past quarter

Growth Performance Over Time

Score

Trend

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Learn more.

Growth Score - The measure of growth based on company activity, operational metrics, and investments

Growth Trend - The change in the growth score over the given time period

Recent Milestones

Raised Funding Round

Jan 1, 1970

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Raised Funding Round

Jan 1, 1970

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+5 more milestones

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Growth Insight

See this Growth Insight

Substack is

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to be growing

Top Contributing Factors

Recently Raised Funding

Growth Prediction

See this Growth Prediction

Top Contributing Factors

Key Employee Changes

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Companies with Similar Growth

Organization Name	Growth Score	Industries	Headquarters Location	Description
Connecticut Innovations	70	Biotechnology, Business Development, Energy, Information Technology, Media and Entertainment, Venture Capital	Rocky Hill, Connecticut, United States	Connecticut Innovations provides strategic capital and operational insight to to companies in high-tech industries
Pocket FM	78	Affiliate Marketing, Apps, Audio, Digital Entertainment, Information Technology, Media and Entertainment, Software	Bangalore, Karnataka, India	Pocket FM creates audio series platforms for long-form audio entertainment.
Pattern	75	Advertising, Advertising Platforms, Analytics, Brand Marketing, Content Creators, Digital Marketing, E-Commerce Platforms, Marketing, Social Media Marketing, Software	Lehi, Utah, United States	Pattern provides ecommerce solutions to accelerate brands on marketplaces.
Trump Media & Technology Group	73	Digital Media, Financial Services, Information Technology, Media and Entertainment, Online Portals, Social Media, Stock Exchanges	Sarasota, Florida, United States	Trump Media & Technology Group provides digital media and technology products focused on online communication and content distribution.
Kickstarter	71	Content Creators, Crowdfunding, Finance, Funding Platform	Brooklyn, New York, United States	Kickstarter is a crowdfunding platform for creative projects such as movies, music, art, theater, games, comics, design, and photography.
Universal Music Group	77	Audio Recording and Production, Media and Entertainment, Music, Non-Fungible Token (NFT), Publishing	New York, New York, United States	Universal Music Group is a music-based entertainment company that offers music recording, publishing, and merchandising services worldwide.
Scentbird	79	Beauty, E-Commerce, Personalization, Subscription Service	New York, New York, United States	Scentbird enables its users to choose and get supply of sample designer fragrances on a monthly basis before buying them.
Olyzon	69	Advertising, Artificial Intelligence (AI), Digital Entertainment, Media and Entertainment, TV	Paris, Ile-de-France, France	Olyzon uses artificial intelligence to support media planning, campaign activation, and performance analysis.
Warner Bros Discovery	74	Advertising, Broadcasting, Digital Entertainment, Digital Media, Film Production, Media and Entertainment, News, Publishing, TV Production, Video Streaming	New York, New York, United States	Warner Bros. Discovery develops, owns, and distributes film, television, news, and streaming content across multiple platforms.
BuzzFeed	72	Advertising, Digital Entertainment, Digital Media, Journalism, News, Publishing, Social News	New York, New York, United States	BuzzFeed is a cross-platform digital media company delivering news and entertainment content to a global audience.