Insights

Large User Base With over 30 million active users and a broad content discovery platform, there is significant potential to target brands and publishers looking to reach engaged audiences through targeted advertising and sponsored content integrations.

Advertising Opportunities StumbleUpon's Paid Discovery platform has already attracted more than 100,000 marketers, indicating a proven interest in content promotion services, which presents opportunities to offer enhanced marketing solutions or premium ad placements.

Recent Acquisition History Having been acquired by eBay and then reacquired by its founders, the company demonstrates a strategic focus on niche content discovery, suggesting potential for partnerships or integrations with marketplaces and e-commerce platforms.

Tech Stack Compatibility Utilizing modern tools such as Next.js, Google Workspace, and Vercel, StumbleUpon is positioned well for cloud-based, scalable solutions, making it attractive for tech partners offering SaaS integrations or expansion services.

Revenue Growth Potential Although current revenues are modest ($1M - $10M), the company’s engaged user base and advertising platform offer room for growth, making it a viable target for sales of expansion tools, analytics solutions, or advertising packages aimed at increasing monetization.

StumbleUpon Tech Stack

StumbleUpon uses 8 technology products and services including Webpack, Google Workspace, Google Sign-in, and more. Explore StumbleUpon's tech stack below.

  • Webpack
    Development
  • Google Workspace
    Email
  • Google Sign-in
    Identity Verification
  • Next.js
    Javascript Frameworks
  • Ubuntu
    Operating Systems
  • Vercel
    Platform As A Service
  • Node.js
    Programming Languages
  • reCAPTCHA
    Security

StumbleUpon's Email Address Formats

StumbleUpon uses at least 1 format(s):
StumbleUpon Email FormatsExamplePercentage
FLast@stumbleupon.comJDoe@stumbleupon.com
53%
First@stumbleupon.comJohn@stumbleupon.com
29%
Last@stumbleupon.comDoe@stumbleupon.com
12%
FirstLast@stumbleupon.comJohnDoe@stumbleupon.com
6%

Frequently Asked Questions

Where is StumbleUpon's headquarters located?

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StumbleUpon's main headquarters is located at San Francisco, California United States. The company has employees across 4 continents, including North AmericaAfricaEurope.

What is StumbleUpon's phone number?

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You can contact StumbleUpon's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is StumbleUpon's official website and social media links?

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StumbleUpon's official website is stumbleupon.com and has social profiles on LinkedIn.

How much revenue does StumbleUpon generate?

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As of December 2025, StumbleUpon's annual revenue is estimated to be $2.5M.

What is StumbleUpon's SIC code NAICS code?

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StumbleUpon's SIC code is 4813 - Telephone Communications, Except Radiotelephone NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does StumbleUpon have currently?

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As of December 2025, StumbleUpon has approximately 45 employees across 4 continents, including North AmericaAfricaEurope. Key team members include Owner: S. G.Director, Advertising Sales: J. C.Director Of Finance And Accounting: J. K.. Explore StumbleUpon's employee directory with LeadIQ.

What industry does StumbleUpon belong to?

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StumbleUpon operates in the Technology, Information and Internet industry.

What technology does StumbleUpon use?

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StumbleUpon's tech stack includes WebpackGoogle WorkspaceGoogle Sign-inNext.jsUbuntuVercelNode.jsreCAPTCHA.

What is StumbleUpon's email format?

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StumbleUpon's email format typically follows the pattern of FLast@stumbleupon.com. Find more StumbleUpon email formats with LeadIQ.

StumbleUpon

Technology, Information and InternetCalifornia, United States11-50 Employees

StumbleUpon is the easiest way to discover new and interesting things from across the Web. More than 30 million people turn to StumbleUpon to be informed, entertained and surprised by content and information recommended just for them. In addition, more than 100,000 brands, publishers and other marketers have used StumbleUpon’s Paid Discovery platform to tell their stories and promote their products and services. 

Explore more at www.StumbleUpon.com.

Section iconCompany Overview

Headquarters
San Francisco, California United States
Phone number
SIC Code
4813 - Telephone Communications, Except Radiotelephone
NAICS Code
5415 - Computer Systems Design and Related Services
Employees
11-50

Section iconFunding & Financials

  • $1M$10M

    StumbleUpon's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    StumbleUpon's revenue is estimated to be in the range of $1M$10M

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