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Zimbra

Other B2B Software · Buffalo, United States · Founded 2004

Zimbra is the leader in next-generation, open source email, calendar, and collaboration software MoreLess

Zimbra operates in the enterprise email and collaboration market, providing a robust platform that integrates seamlessly with third-party services like Slack, Dropbox, and Zoom. The company serves a diverse range of clients, including businesses, educational institutions, and government agencies, offering both on-premises and cloud-based deployment options. Zimbra's business model revolves around a subscription-based SaaS (Software as a Service) offering, generating revenue through licensing fees and premium support services. The platform's flexibility and extensibility set it apart from competitors, allowing users to break free from closed ecosystems like Microsoft and Google. Zimbra continually enhances its product through regular updates and patches, ensuring high levels of security and performance. The company also engages with its user community through webinars and partner collaborations to introduce new features and capabilities.

Keywords: enterprise email, collaboration platform, SaaS, integrations, productivity, cloud deployment, security, extensibility, licensing fees, premium support.

Valuation $50–100M
Revenue $10–50M
Headcount 100–500
Total funding $10–50M
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Zimbra and the history behind them.

Talent graph

Zimbra's talent

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Team profiled 31 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

6 investors on Zimbra's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Series A 4 investors entered at this stage
Series B+ 2 investors entered at this stage
Eric Hahn
DAG Ventures

Global footprint

Where Zimbra has talent and traffic

Workforce by country
11 countries with
team presence
🇮🇳 India60%
🇺🇸 United States12.7%
🇸🇬 Singapore5.5%
🇬🇧 United Kingdom5.5%
🏳️ Cameroon1.8%
Top 5 of 11 shown

Market sentiment

What the market is saying about Zimbra

An AI-synthesized read of the highest-engagement posts about Zimbra on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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