Insights

Established PM niche 37signals specializes in project management and email solutions with Basecamp and HEY, indicating a strong foothold in productivity software for teams seeking calmer operations and streamlined communication.

Product Expansion Recent launches include Fizzy, a kanban product, and Basecamp 4, signaling ongoing portfolio growth and opportunities to cross-sell complementary workflow tools to existing Basecamp and HEY users.

Mid‑market Potential Headcount and revenue place 37signals in a mid-market range with room to expand to larger SMBs or small enterprises seeking integrated project management and email efficiency at scale.

Security & Compliance Technical stack highlights focus on robust security (X-XSS-Protection, X-Content-Type-Options) which can be leveraged to address enterprise-grade security concerns in potential deals.

Growth Signals Active press coverage and product updates alongside a revenue range of several hundred million dollars suggest momentum, presenting opportunities for upsell of premium features, scalable plans, or adoption in growing teams.

Similar companies to 37signals

37signals Tech Stack

37signals uses 8 technology products and services including Ruby, JavaScript, Basecamp, and more. Explore 37signals's tech stack below.

Ruby
Programming Languages
JavaScript
Programming Languages
Basecamp
Project Management
Elasticsearch
Search Engines
X-XSS-Protection
Security
X-Content-Type-Options
Web & Portal Technology
Ruby on Rails
Web Frameworks
Google Plus
Widgets

Media & News

37signals's Email Address Formats

37signals uses at least 2 format(s):

37signals Email Formats	Example	Percentage
First@37signals.com	John@37signals.com	76%
FLast@37signals.com	JDoe@37signals.com	19%
FirstLast@37signals.com	JohnDoe@37signals.com	5%
First.Last@basecamp.com	John.Doe@basecamp.com	62%
First@basecamp.com	John@basecamp.com	34%
Last@basecamp.com	Doe@basecamp.com	3%
First.L@basecamp.com	John.D@basecamp.com	1%

Frequently Asked Questions

What is 37signals's phone number?

You can contact 37signals's main corporate office by phone at

+1-312-505-****

. 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 37signals's official website and social media links?

37signals's official website is 37signals.com and has social profiles on LinkedIn.

How much revenue does 37signals generate?

As of July 2026, 37signals's annual revenue is estimated to be $100M - $250M.

What is 37signals's NAICS code?

37signals's NAICS code is 5112 - Software Publishers.

How many employees does 37signals have currently?

As of July 2026, 37signals has approximately 176 employees across 6 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: J. H.Co-Owner: M. V.Creative Director: S. G.. Explore 37signals's employee directory with LeadIQ.

What industry does 37signals belong to?

37signals operates in the Software Development industry.

What technology does 37signals use?

37signals's tech stack includes RubyJavaScriptBasecampElasticsearchX-XSS-ProtectionX-Content-Type-OptionsRuby on RailsGoogle Plus.

What is 37signals's email format?

37signals's email format typically follows the pattern of First@37signals.com. Find more 37signals email formats with LeadIQ.

When was 37signals founded?

37signals was founded in 1999.

37signals

Q: What is 37signals's official website and social media links?

37signals's official website is 37signals.com. 37signals has social profiles on LinkedIn.

Q: How many employees does 37signals have currently?

37signals has approximately 176 employees.

Q: What technology does 37signals use?

37signals's tech stack includes Google Plus, Google Analytics, PHP, OpenAI, Cloudflare CDN.

Q: What is 37signals's NAICS code?

37signals's NAICS code is 5112 (Software Publishers).

Software DevelopmentUnited States51-200 Employees

37signals is a software development company based in the United States with a mid-sized team. It develops Basecamp and HEY, two software products: Basecamp focuses on project management and company-wide communication, while HEY is an email system designed to improve how messages are handled.

Basecamp aims to address common challenges faced by growing organizations by organizing projects and facilitating cross-team collaboration. HEY offers an email experience designed to be more usable and less burdensome. In September 2022, 37signals announced the release of Basecamp 4, a newer version of its project management platform with additional features intended to help teams focus on actual work.