United States
Email sucked for years. Not anymore — we fixed it. HEY’s fresh approach transforms email into something you want to use, not something you’re forced to deal with.
- Revenue
- $80.8M
As of August 2026, Latka tracks 87 internal communications software companies with $10M–$100M in annual revenue. They have combined revenues of $2.3B and employ 15.1K people. They have raised $1.7B and serve 47.3M customers combined.
Every company below sells internal communications software to other businesses and is ranked by its most recent annual revenue. Revenue, funding, headcount and customer figures come from CEO interviews on the Latka podcast, public company filings, and Latka estimates where a company has not disclosed a number.
Internal communications software enables organizations to streamline communication across various teams and departments. It consists of platforms and tools designed to share information, engage employees, and enhance collaboration in real-time. Typical features include instant messaging, video conferencing, file sharing, and employee feedback mechanisms, which collectively facilitate a cohesive work environment. The primary use cases for internal communications software involve improving team engagement, aligning goals, and disseminating crucial information. These software solutions often cater to a diverse range of buyer personas, including human resources personnel tasked with employee engagement, IT departments needing secure communication channels, and management teams focused on enhancing team productivity and culture.
Sorting: Highest -> Lowest
Showing 10 of 87 companies ranked by annual revenue.
United States
Email sucked for years. Not anymore — we fixed it. HEY’s fresh approach transforms email into something you want to use, not something you’re forced to deal with.
San Francisco, California, United States
Advantage Club is a global HR-Tech player providing Corporate Employee Experience and R&R Platform for enhancing employee productivity and employee engagement. It delivers an AI-driven platform for driving employee engagement with features like rewards, recognition, and community building.
San Francisco, California, United States
business management platform for creative entrepreneurs
Beaverton, Oregon, United States
The global leader in strategic response management software, transforming how organizations share and exchange critical information
Shenzhen, Guangdong, China
Developer of instant messaging tools designed to provide professional community and trading platform for Finance industry. The company's platform provide financial practitioners with various solutions such as transaction communication, AI information processing, and institutional risk control compliance management.
Stuttgart, Baden-Wuerttemberg, Germany
Flip is the employee experience platform that connects every employee with the right people, news, info, and tools – all from a handy app in their pocket.
Redwood City, California, United States
Simpplr is the AI-powered platform that transforms employee experience and productivity. Harnessing AI, Simpplr provides employees with personalized, single-point access to people, information and resources across multiple platforms. This empowers employees to stay more connected, productive and engaged. For over a decade, Simpplr has been a trusted partner to 1,000+ leading brands, including AAA, Eurostar, Penske, Moderna, and Snowflake, creating transformative digital workplaces. Headquartered in Silicon Valley, CA, with additional offices in the UK, Canada, and India, Simpplr is backed by Norwest Venture Partners, Sapphire Ventures, Salesforce Ventures, and Tola Capital. Learn more at simpplr.com.
Latka tracks 87 internal communications software companies with $10M–$100M in annual revenue. Together they generate $2.3B in annual revenue and employ 15.1K people.
37signals LLC is the largest, with $80.8M in annual revenue.
The average internal communications software company in this list makes $25.9M a year, across 87 companies with reported revenue. They serve 47.3M customers combined.
Ranked by annual revenue, the leaders are 37signals LLC, Advantage Club AI, HoneyBook, Responsive and QTrade.
The 87 internal communications software companies with $10M–$100M in annual revenue tracked here have raised $1.7B in disclosed funding between them.
- Provides tools for real-time messaging and collaboration - Allows for document sharing and management among team members - Includes features for tracking employee engagement and feedback - Facilitates integration with other workplace tools and software - Not just focused on external communication; must address internal communication needs
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