When was Mimecast founded?

Mimecast was founded in 2003 and raised its 1st funding round 5 years after it was founded.

Where is Mimecast located?

Mimecast is headquartered in London, United Kingdom. It is registered at Lexington, Massachusetts.

Who is the current CEO of Mimecast?

Marc Van Zadelhoff of Mimecast.

Which legal entities is Mimecast associated with?

Mimecast is associated with Mimecast Services limited and 6 others.

How many employees does Mimecast have?

As of Jul 31, 2026, the latest employee count at Mimecast is 2383.

Is Mimecast a funded company?

Mimecast is a funded company, having raised a total of $261M across 4 funding rounds to date. The company's 1st funding round was a $***** Seed round, raised on 2008.

How much is Mimecast worth?

The last known valuation of Mimecast was $***** as of Dec 07, 2021.

When was the latest funding round of Mimecast?

Mimecast's latest funding was a $***** Series D round on Sep 09, 2022, with participation from 0 investor.

What is the annual revenue of Mimecast?

Annual revenue of Mimecast is between £100M and £500M as on Mar 31, 2025

Where does Mimecast rank among its competitors?

Mimecast ranks 1st amongst 4 active competitors, only 1 of which is funded. Ocean, which secured $28M in May, 2026.

Who are the top competitors of Mimecast?

Mimecast's top competitors include Ocean, StopSpoof and BEC. Among them, Ocean secured the most recent funding round in May, 2026.

Mimecast - 2026 Company Profile, Team, Funding, Competitors & Financials

Q: Is Mimecast an acquired company?

Mimecast got acquired by Permira on Dec 07, 2021.

Mimecast is an acquired company based in London (United Kingdom), founded in 2003. It operates as a Provider of email security and human risk management software platforms. Mimecast has raised $261M in funding from investors like Insight Partners, Index Ventures and Dawn Capital, with last known valuation of $*****. The company has 4 active competitors, including 1 funded and 1 that has exited. Its top competitors include companies like Ocean, StopSpoof and BEC.

Company Details

Provider of email security and human risk management software platforms. These tools identify and mitigate threats related to electronic communications and internal data handling. The technology monitors for malicious activity, manages data governance, and provides security awareness training to reduce risks associated with human behavior. It also includes features for securing artificial intelligence agents and protecting against unauthorized data movement.

Website: www.mimecast.com/
Social
Email ID: *****@mimecast.com
Phone Number: +44 **********
Registered Address: Lexington, Massachusetts

Key Metrics

Founded Year

2003

Location

London, United Kingdom

Stage

Acquired

Total Funding

$261M in 4 rounds

Latest Funding Round

Series D, Sep 09, 2022, $*****

Last Known Valuation

$***** as on Dec 07, 2021

Investors

Insight Partners & 7 more

Ranked

1^st among 4 active competitors

Annual Revenue

£100M - £500M as on Mar 31, 2025

Employee Count

2,383 as on Jul 31, 2026

Investment & Acquisitions

Aware & 10 more

Similar Companies

Ocean & 3 more

Exit Details

Acquired by Permira (Dec 07, 2021)

View Mimecast's full profile

Mimecast is associated with 7 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
Mimecast Services limited CIN: 4901524 , Germany, Active	Sep 15, 2003	-	79693 (As on Mar 31, 2022)
Mimecast France SARL CIN: 949143721 , France, Active	Feb 21, 2023	-	-	-
MIMECAST NORTH AMERICA, INC. CIN: 260851633 , United States, Active	Dec 26, 999	-	1060 (As on Dec 31, 2024)	-
MIMECAST LTD CIN: 1644675 , United States, Active		$500M - $1B (As on Mar 31, 2021)	-	-
MIMECAST SERVICES LIMITED CIN: 4901524 , United Kingdom, Active	Sep 15, 2003	£100M - £500M (As on Mar 31, 2025)	-
Mimecast Germany GmbH CIN: D2601_HRB234744 , Germany, Active	Jul 25, 2017	-	-
MIMECAST INDIA PRIVATE LIMITED CIN: U72900KA2022FTC167082 , India, Active	Oct 14, 2022	₹100 - ₹500 Cr (As on Mar 31, 2025)	-

Mimecast got acquired by Permira on Dec 07, 2021 at an acquisition amount of $*****.

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

Mimecast has raised a total funding of $261M over 4 rounds. Its first funding round was on 2008. Mimecast has 8 institutional investors.

Here is the list of recent funding rounds of Mimecast:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Sep 09, 2022	2323645	Series D	3113416	9050276	3398449	6992825
Sep 26, 2012	2620223	Series C	6635908	3337727	2254023	Dawn Capital
Jan 25, 2010	4632884	Series B	7620854	9481930	Index Ventures & 1 more	3569192

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View details of Mimecast's funding rounds and investors

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

Marc Van Zadelhoff: CEO of Mimecast.

Mimecast's Board of Directors

Mimecast's board has 2 active members. David Call and Janet Prosper are part of team.

Here is the list of Mimecast's board of directors:

Name	Type	Representing	Status	Duration
nquqb{j	Team	-	Current	4y 8m
ws{ukt{	Team	-	Current	1y 1m
ppfeayy	Independent board member	-	Past	5y 4m
kpelytp	Independent board member	-	Past	4y 8m
rooqdbo	Independent board member	-	Past	9y 5m
gawodpc	Independent board member	-	Past	2y 9m
zdauono	Independent board member	-	Past	2y 3m
ammyemi	Independent board member	-	Past	5y 8m
y{ssarn	Independent board member	-	Past	6y 5m

View details of Mimecast's Founder profiles and Board Members

Mimecast's employee count trend

Mimecast has 2,383 employees as of Jul 26. Here is Mimecast's employee count trend over the years:

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Top competitors of Mimecast include Ocean, StopSpoof and BEC. Here is the list of Top 10 competitors of Mimecast, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Mimecast 2003, London (United Kingdom), Acquired	Provider of email security and human risk management software platforms	$261M	Insight Partners, Dawn Capital & 6 others	77/100
2nd	Ocean New York City (United States), Series B	AI-powered cybersecurity company that provides agentic email security solutions	$28M	Lightspeed Venture Partners, Cerca Partners ... & 5 others	45/100
3rd	StopSpoof 2018, Mumbai (India), Unfunded	Cybersecurity solution for blocking phishing emails	-	-	29/100
4th	BEC 2019, Weston (United States), Unfunded	E-mail security solutions provider	-	-	28/100
5th	BlockIt 2018, Colombia, Deadpooled	Secure communication platform	-	-	15/100

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Looking for more details on Mimecast's competitors? Click here to see the top ones

Mimecast has not made any investments yet. Mimecast has made 11 acquisitions.

Here is the list of latest three $acquisitions:

Filter this list

Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Aug 14, 2024	Acquisition	Aware	2016	Columbus (United States)
Jul 24, 2024	Acquisition	Code42	2001	Minneapolis (United States)
Jan 04, 2024	Acquisition	Elevate Security	2017	San Francisco (United States)