Insights

GrowthMomentum Tumblr operates in the high-growth technology and internet space with a sizable employee base and substantial revenue, indicating strong market demand and a ripe environment for strategic partnerships, premium ad tech solutions, or enterprise-grade productivity tools.

MonetizationUpside Revenue is reported between 1B and 10B with a relatively modest funding round, suggesting potential need for advanced monetization platforms, diversified ad tech, or commerce integrations to sustainably scale margins and advertiser ROI.

AdTechFit Existing technology stack includes Criteo, Google AdSense, Matomo, and Piwik PRO Core, signaling openness to performance marketing partnerships, analytics enhancements, and privacy-conscious data solutions that can optimize campaigns and measurement.

CommerceSync Recent partnerships and feature expansions with Etsy and other commerce-oriented platforms point to a strategic push toward shopping and purchase-driven content, presenting opportunities for e-commerce integrations, affiliate networks, and shoppable experiences.

CommunityExpansion Launching Reddit-style Communities and video discovery features indicates a user engagement push and opportunity for community management tools, creator monetization, and enterprise collaboration offerings to support large user communities.

Similar companies to Tumblr

Tumblr Tech Stack

Tumblr uses 8 technology products and services including Criteo, Google AdSense, Matomo, and more. Explore Tumblr's tech stack below.

Media & News

Tumblr's Email Address Formats

Tumblr uses at least 4 email formats:
Tumblr Email FormatsExamplePercentage
FirstLast@tumblr.comJohnDoe@tumblr.com
60%
First.Last@tumblr.comJohn.Doe@tumblr.com
29%
First@tumblr.comJohn@tumblr.com
8%
FLast@tumblr.comJDoe@tumblr.com
3%

Frequently Asked Questions

What is Tumblr's phone number?

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You can contact Tumblr'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 Tumblr's official website and social media links?

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Tumblr's official website is tumblr.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does Tumblr generate?

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As of October 2026, Tumblr's annual revenue is estimated to be $1B - $10B.

What is Tumblr's SIC code and NAICS code?

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Tumblr's SIC code is 7311 - Advertising Agencies and NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Tumblr have currently?

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As of October 2026, Tumblr has approximately 1.9K employees across 6 continents, including North America, Asia and South America. Key team members include Chief Executive Officer: G. D., Chief Executive Officer: L. B. and Chief Executive Officer: S. M. Explore Tumblr's employee directory with LeadIQ.

What industry does Tumblr belong to?

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Tumblr operates in the Technology, Information and Internet industry.

What technology does Tumblr use?

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Tumblr's tech stack includes Criteo, Google AdSense, Matomo, GitHub, Salesforce, WP Engine, BambooHR and Piwik PRO Core.

What is Tumblr's email format?

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Tumblr's email format typically follows the pattern of FirstLast@tumblr.com. Find more Tumblr email formats with LeadIQ.

How much funding has Tumblr raised to date?

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As of October 2026, Tumblr has raised $125M in funding. The last funding round occurred on Apr 15, 2015.
Tumblr logo

Tumblr

Technology, Information and InternetNew York, United States1001-5000 Employees

Tumblr is a technology platform focused on community and cultural dialogue, connecting people to new ideas, passions, and forms of self-expression. It provides a space for discovery and engagement where users interact around shared interests and content within a social context. The service centers on enabling conversations and creative expression within communities.

Based in New York City, Tumblr operates in the technology, information and internet sector and maintains a sizeable workforce. Its user base consists of individuals seeking creative expression and connection through topic-based communities. In December 2024, Tumblr rolled out its Communities feature from beta to a wider user base, expanding structured community discussions on the platform.

Section iconCompany Overview

Phone number
Website
tumblr.com
SIC Code
7311 - Advertising Agencies
NAICS Code
5415 - Computer Systems Design and Related Services
Employees
1001-5000

Section iconFunding & Financials

  • $125M

    Tumblr has raised a total of $125M of funding over 6 rounds. Their latest funding round was raised on Apr 15, 2015 as a Venture Round.

  • $1B - $10B

    Tumblr's revenue is estimated to be in the range of $1B - $10B

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