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Substack's Overview

Total employees1859
HeadquartersSan Francisco
Founded2017

Substack is an American online platform that provides publishing, payment, analytics, and design infrastructure to support subscription newsletters. It enables writers to send digital newsletters directly to subscribers, offering both free and paid subscription models. Founded in 2017 by Chris Best, Jairaj Sethi, and Hamish McKenzie, Substack's mission is to make it simple for writers to start a publication and get paid directly by their readers, fostering a new model for independent journalism and creative expression. The platform has gained significant traction among journalists, experts, and creators looking for autonomy and a direct monetization channel.

Where is Substack's Headquarters?

Substack officeSubstack officeSubstack officeSubstack office
*Images sourced via web search. Rights belong to original owners

HQ Function

The San Francisco headquarters serves as the central nerve center for Substack's global operations, including product development, engineering, strategic planning, marketing, and corporate leadership.

Notable Features:

While specific architectural details are not widely publicized, being in San Francisco suggests a modern office environment designed to foster collaboration and innovation, typical of leading tech companies. It's likely optimized for a hybrid work model.

Work Culture:

Substack's work culture is reportedly focused on empowering creators and fostering a strong sense of ownership and impact. It emphasizes collaboration, intellectual curiosity, and a mission-driven approach to building a better ecosystem for writers.

HQ Significance:

The San Francisco HQ is significant as it places Substack at the heart of the tech industry, allowing access to top talent, venture capital, and a vibrant ecosystem of innovation, crucial for its growth and platform development.

Values Reflected in HQ: The headquarters likely reflects Substack's values of innovation, creator-centricity, and building a sustainable model for independent publishing in the digital age.

Location:

Substack's platform is accessible to writers and readers worldwide, supporting content creation and consumption across numerous countries and languages. While its corporate headquarters is in the US, its operational footprint is inherently global due to the digital nature of its service and its distributed team. Functions supported globally include platform access, payment processing for international subscriptions, writer support, and community engagement for its international user base.

Street Address:

548 Market St, PMB 72296

City:

San Francisco

State/Province:

CA

Country:

USA

Substack's Global Presence

Distributed (Remote-First)

Address: Not Applicable (Primarily Remote Workforce)

The distributed model supports Substack's global user base of writers and readers, enabling flexible operations and diverse perspectives in product development and community engagement. It reduces reliance on physical office locations beyond its main HQ.

Buying Intent Signals for Substack

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Substack

As of April 2025, Substack' leadership includes:

Chris Best - Co-founder & Chief Executive Officer
Hamish McKenzie - Co-founder & Chief Writing Officer
Jairaj Sethi - Co-founder & Chief Technology Officer

Investors of Substack

Substack has been backed by several prominent investors over the years, including:

Andreessen Horowitz
Y Combinator
Fifty Years
Audacious Ventures
Cultural Leadership Fund
FundersClub
Quiet Capital

Executive New Hires/Exits in the Last 12 Months

Hire0
Exits0

Substack's core founding executive team has remained stable, continuing to lead the company's strategic direction. No major high-profile executive hires or departures have been publicly announced in the last 12 months. The company has focused on internal team growth and product development.

Technology (Tech Stack) used by Substack

Discover the tools Substack uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Substack Email Formats and Examples

Substack typically uses a first name-based email format for its employees, often associated with their primary domain 'substack.com' or their corporate entity 'substackinc.com'. The most common structure appears to be [first_name]@substack.com.

[first]@substack.com or [first]@substackinc.com

Format

chris@substack.com

Example

85%

Success rate

News and media

Substack BlogMay 2, 2024

Substack news title: Substack Reader for Android is now available

Substack announced the official launch of its Substack Reader app for Android devices, expanding access for readers to discover and consume content from their favorite writers on the platform, complementing its existing iOS app and web reader....more

The VergeApril 11, 2024

Substack news title: Substack is testing its own version of Twitter with ActivityPub support

Substack is reportedly experimenting with integrating ActivityPub, the decentralized social networking protocol, into its Notes feature. This move could allow Substack Notes to interoperate with other federated platforms like Mastodon, potentially expanding its social reach and creating a Twitter-like alternative....more

Nieman LabJanuary 18, 2024

Substack news title: Substack addresses content moderation concerns amid controversy

Substack faced scrutiny over its content moderation policies, particularly regarding extremist content on the platform. CEO Chris Best responded to concerns, stating the company was listening and reviewing its policies, while reiterating a commitment to free expression and the challenges of content moderation at scale....more

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