When was Zimbra founded?

Zimbra was founded in 2003 and raised its 1st funding round 3 years after it was founded.

Where is Zimbra located?

Zimbra is headquartered in Palo Alto, United States.

How many employees does Zimbra have?

As of Jul 31, 2026, the latest employee count at Zimbra is 122.

Is Zimbra a funded company?

Zimbra is a funded company, having raised a total of $17M across 2 funding rounds to date. The company's 1st funding round was a $***** Series C round, raised on Apr 07, 2006.

When was the latest funding round of Zimbra?

Zimbra's latest funding was a $***** Series C round on Jun 27, 2014, with participation from 0 investor. Its primary sector is Enterprise Collaboration. In United States, the Enterprise Collaboration sector has seen $327M in funding in 2026 to date.

Where does Zimbra rank among its competitors?

Zimbra ranks 1st amongst 241 active competitors, of which 26 are funded. It stands 6th in terms of total funding among its competitors. The most recent competitor to raise funding was June.ai, which secured $20M in Aug, 2026.

Who are the top competitors of Zimbra?

Zimbra's top competitors include Hiver, SEDNA and Workshop. Among them, June.ai secured the most recent funding round in August, 2026.

Zimbra - 2026 Company Profile, Team, Funding & Competitors

Company Details

Zimbra is the open source email, calendar, and collaboration web based application, built with AJAX, and an entire collaboration server. It can be deployed on premises or hosted by a third party and run as a hosted email service. It is primarily used in the enterprise market and its competitors are Microsoft Exchange and Google Apps. It is built with well known web technologies and scales economically. The core web client and server are also open sources and can be used for free. One of the other aspects of Zimbra is all APIs are open and a framework exists to incorporate other applications and web services directly into the web experience, such as Facebook, Twitter, etc.

Website: www.zimbra.com/
Social

Key Metrics

Founded Year

2003

Location

Palo Alto, United States

Stage

Acquired

Total Funding

$17M in 2 rounds

Latest Funding Round

Series C, Jun 27, 2014, $*****

Investors

Benchmark & 8 more

Ranked

1^st among 241 active competitors

Employee Count

122 as on Jul 31, 2026

Investment & Acquisitions

Mezeo Software

Similar Companies

Mattermost & 340 more

Exit Details

Acquired by Synacor (Aug 18, 2015)

View Zimbra's full profile

Zimbra is associated with 4 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Synacor, Inc CIN: 716-853-1362 , United States, Active		-	-	-
RRV CIN: 43603036166 , Latvia, Active	May 19, 2008	€0 - €1M (As on Dec 31, 2018)	1 (As on Dec 31, 2022)	-
ZIMBRA, INC. CIN: 201085998 , United States, Active	Dec 31, 1999	-	217 (As on Dec 31, 2014)	-
ZIMBRA TECHNOLOGY INDIA PRIVATE LIMITED CIN: U72900PN2013PTC149196 , India, Active	Oct 21, 2013	₹10 - ₹50 Cr (As on Mar 31, 2025)	100 (As on Mar 01, 2026)

Zimbra got acquired by Synacor on Aug 18, 2015.

Click here to take a look at Zimbra's acquisition in detail

Zimbra has raised a total funding of $17M over 2 rounds. Its first funding round was on Apr 07, 2006. Zimbra has 9 institutional investors.

Here is the list of recent funding rounds of Zimbra:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jun 27, 2014	2655307	Series C	6634191	3759526	4168069	7526219
Apr 07, 2006	9351178	Series C	2385117	1426838	5008536	Accel & 5 more

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View details of Zimbra's funding rounds and investors

The founders of Zimbra is Roland Schemers.

Here are the details of Zimbra's key team members:

Roland Schemers: Co-Founder of Zimbra and founder of 1 other company.

View details of Zimbra's Founder profiles and Board Members

Zimbra's employee count trend

Zimbra has 122 employees as of Jul 26. Here is Zimbra's employee count trend over the years:

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Top competitors of Zimbra include Hiver, SEDNA and Workshop. Here is the list of Top 10 competitors of Zimbra, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Zimbra 2003, Palo Alto (United States), Acquired	Enterprise collaboration software with open source APIs	$17M	Benchmark, Accel & 7 others	69/100
2nd	Hiver 2011, San Jose (United States), Series B	Email collaboration tools for sales and project management	$46.2M	K1 Investment Management, Kalaari Capital ... & 8 others	66/100
3rd	SEDNA 2017, London (United Kingdom), Series C	Cloud-based enterprise collaboration management software provider	$86M	G. K. Goh Holdings, Stride & 25 others	60/100
4th	Workshop 2020, Omaha (United States), Series A	Cloud-based platform for employee communications	$27.7M	McCarthy Capital, Coelius Capital & 7 others	57/100
5th	June.ai 2016, New York City (United States), Acquired	Developer of product analytics platform providing insights into user behavior	$20M	TimeVentures, Conviction & 7 others	55/100
6th	Shortwave 1999, San Francisco (United States), Early Stage	Cloud-based platform for unified email	$9M	Lightspeed Venture Partners, Union Square Ventures ... & 6 others	55/100
7th	Fyxer 2015, London (United Kingdom), Series B	Provider of AI powered email and meeting management tools	$40M	20VC Fund, Madrona & 13 others	52/100
8th	Tekst 2022, Ghent (Belgium), Series A	Text Intelligence for customer service operations	$14.3M	Elephant Venture Capital, Entourage	51/100
9th	eM Client 2006, Prague (Czech Republic), Unfunded	Cloud-based platform for unified email management	-	-	51/100
10th	Hotmail 1995, Mountain View (United States), Acquired	Provider of email web service	-	DFJ Growth, Menlo Ventures & 4 others	50/100