Substack Inc
Valuation · 2025
$1.1B
2024 Revenue
$45M
Customers
500K
Funding
$117.3M
Avg ACV
$90
Team · 2025
2.6K
Founded
2020
Substack Inc Revenue, Valuation & Funding (2024)
Substack Inc generated $45M in revenue in 2024.
SimpleFuture is a start-up based out of Harvard's innovation lab. Our focus is discovering ways that we can improve the financial futures of people.
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Substack Inc Revenue
In 2024, Substack Inc's revenue reached $45M. The company previously reported $29M in 2023. Since its launch in 2020, Substack Inc has shown consistent revenue growth.
| Year | Milestone | Source |
|---|---|---|
| 2024 | Substack Inc Hit $45m revenue in December 2024 | Not recorded |
| 2023 | Substack Inc Hit $29m revenue in June 2023 | sacra.com |
| 2022 | Substack Inc Hit $19m revenue in December 2022 | Estimated |
| 2021 | Substack Inc Hit $12m revenue in December 2021 | Estimated |
| 2020 | Launched with $0 revenue |
Substack Inc Valuation, Funding Rounds
Substack Inc reached a $1.1B valuation in 2025, set during its Series C round.
Substack Inc has raised $117.3M in total funding across 3 rounds, most recently a $100M Series C round in 2025.
| Year | Round | Amount | Valuation | % Sold | Source |
|---|---|---|---|---|---|
| 2025 | Series C | $100M | $1.1B | 9% | techcrunch.com |
| 2023 | Series B | $2M | - | - | techcrunch.com |
| 2019 | Series A | $15.3M | - | - | techcrunch.com |
Founder / CEO
Customers
Substack Inc serves 500K customers.
Substack Inc Employees & Team Size
Substack Inc employs approximately 2.6K people as of 2026, up from 1.5K in 2024. It serves 500K customers that rely on its solutions.
| Year | Milestone | Source |
|---|---|---|
| 2025 | Reached 2.6K employees (November 2025) | Not recorded |
| 2024 | Reached 1.5K employees (December 2024) | Not recorded |
| 2024 | Reached 1.3K employees (October 2024) | Not recorded |
| 2024 | Reached 1.3K employees (October 2024) | Not recorded |
| 2023 | Reached 958 employees (December 2023) | Not recorded |
| 2023 | Reached 50 employees (December 2023) | Not recorded |
| 2022 | Reached 558 employees (December 2022) | Not recorded |
| 2021 | Reached 1 employees (April 2021) | Not recorded |
Frequently Asked Questions about Substack Inc
What is Substack Inc's revenue?
As of 2024, Substack Inc generated $45M in revenue.
Who founded Substack Inc?
Substack Inc was founded by Jacob Schonberger.
Who is the CEO of Substack Inc?
The CEO of Substack Inc is Jacob Schonberger.
How much funding does Substack Inc have?
Substack Inc raised $117.3M across 3 rounds.
How many employees does Substack Inc have?
As of 2025, Substack Inc had 2.6K employees.
Where is Substack Inc headquartered?
Substack Inc is headquartered in San Francisco, California, United States.
Data and Sources
All figures on this page are taken directly from interviews or are estimates from public sources and proprietary models. Not financial advice. Read full disclaimer.
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