Insights

Strong Market Presence With an estimated revenue between $100M and $250M and a dedicated team of 51-200 employees, 37signals demonstrates solid market traction in the project management and productivity software space, making it a compelling partner for expansion into organizational tools.

Innovative Product Suite The launch of Basecamp 4 highlights ongoing product development and innovation, indicating opportunities to upsell or cross-sell advanced project management features to existing customers seeking more efficient workflows.

Customer-Centric Approach With products like HEY transforming email management from overwhelming to manageable, there is potential to target organizations looking for user-friendly, integration-ready communication solutions to enhance employee productivity.

Technological Flexibility Utilizing a mix of PHP, JavaScript, and Ruby on Rails, 37signals' tech stack positions it well to integrate with various enterprise systems, providing opportunities for customized solutions for large organizations.

Growth and Expansion Potential Given its competitive landscape among companies like Asana, Slack, and Notion, 37signals has growth potential in expanding market share by emphasizing simplicity, reliability, and targeted features aimed at small to medium-sized businesses seeking efficient collaboration tools.

Similar companies to 37signals

37signals Tech Stack

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

HTML
Programming Languages
JavaScript
Programming Languages
Elasticsearch
Search Engines
X-XSS-Protection
Security
X-Content-Type-Options
Web & Portal Technology
Ruby on Rails
Web Frameworks
CSS
Web Tools And Plugins
Google Plus
Widgets

Media & News

37signals LLC launched Basecamp 4 on Sep 27th '22.
Today, 37signals announced the launch of Basecamp 4, the latest version of its project management platform, with more features to help teams focus on the actual work at hand, rather than the overhead of managing it.
Sep 27, 2022 | www.businesswire.com

37signals's Email Address Formats

37signals uses at least 2 format(s):

37signals Email Formats	Example	Percentage
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%
First@37signals.com	John@37signals.com	76%
FLast@37signals.com	JDoe@37signals.com	19%
FirstLast@37signals.com	JohnDoe@37signals.com	5%

Frequently Asked Questions

Where is 37signals's headquarters located?

37signals's main headquarters is located at United States. The company has employees across 6 continents, including North AmericaAsiaEurope.

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.

What is 37signals's NAICS code?

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

How many employees does 37signals have currently?

As of May 2026, 37signals has approximately 175 employees across 6 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: J. H.Chief Executive Officer: S. J.Cto: D. H. H.. 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 HTMLJavaScriptElasticsearchX-XSS-ProtectionX-Content-Type-OptionsRuby on RailsCSSGoogle Plus.

What is 37signals's email format?

37signals's email format typically follows the pattern of First.Last@basecamp.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 175 employees.

Q: What technology does 37signals use?

37signals's tech stack includes HTTP/3, Cloudflare DNS, Postfix, X-Content-Type-Options, KVM.

Q: What is 37signals's NAICS code?

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

Software DevelopmentUnited States51-200 Employees

37signals makes Basecamp and HEY. 

Basecamp solves the critical problems that every growing business deals with. It’s the saner, calmer, organized way to manage your projects and communicate company-wide. 

HEY is our fresh approach on email. Email can be overwhelming and a total mess. Not anymore. We fixed it. HEY transforms email into something you want to use, not something you’re forced to deal with.