Zimbra

Technology 📍 Palo Alto, United States 👥 201-500 employees 💰 $14.5M raised 📅 Founded 2003

Zimbra is the leader in next-generation, open source email, calendar, and collaboration software. Zimbra customers include: H&R Block, Bechtel, Skype, Mozilla, O'Reilly Media, Stanford University and Comcast totaling over 60 million paid mailboxes worldwide. In February 2010, the Zimbra business unit was acquired by

🌐 Website in LinkedIn ← All Companies

📊 Company Overview

Sector

Technology

Country

United States

Employees

201-500

Total Raised · Venture

$14.5M

Founded

2003

Cloud

Unknown

CDN

Fastly

Email

Mimecast

☁️ Cloud Infrastructure

🔒 Subscribers only Cloud Provider

Uses Fastly CDN — origin host undetectable

Workspace	Mimecast
CDN	Fastly

Detected via DNS records and HTTP response headers as of 2026-06-13.

💰 Estimated Cloud Spend

$3M – $6M / year across cloud providers

🛠 Tech Stack & Marketing

Ad Platforms	🔒 Subscribers only
Analytics & CRM	Google Analytics HubSpot
CMS / Platform	WordPress
Frontend Stack	🔒 Subscribers only

Detected from Zimbra's public homepage as of 2026-06-13.

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Data detected 2026-06-13 · Methodology · Suggest a correction