Mimecast

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Information technology company

title: "Mimecast" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["software-companies-of-the-united-kingdom", "email", "spamming", "companies-formerly-listed-on-the-nasdaq", "2015-initial-public-offerings", "2022-mergers-and-acquisitions", "permira-companies"] description: "Information technology company" topic_path: "geography/united-kingdom" source: "https://en.wikipedia.org/wiki/Mimecast" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Information technology company ::

::data[format=table title="Infobox company"]

FieldValue
nameMimecast Limited
logoMimecast Logo
typePrivate
founded
founders
ownerPermira
locationLondon, England, UK (Global HQ)
Lexington, Massachusetts, United States (North America HQ)
key_peopleMarc van Zadelhoff (CEO)
industryInformation security
E-mail archiving
File archiving
Cybersecurity
Risk management
productsEmail & Collaboration Threat Protection
Insider Risk Management & Data Protection
Data Compliance & Governance
Security Awareness & Training
num_employees2,000
website
footnotes
::

| name = Mimecast Limited | logo = Mimecast Logo | type = Private | founded = | founders = | owner = Permira | location = London, England, UK (Global HQ) Lexington, Massachusetts, United States (North America HQ) | key_people = Marc van Zadelhoff (CEO) | industry = Information security E-mail archiving File archiving Cybersecurity Risk management | products = Email & Collaboration Threat Protection Insider Risk Management & Data Protection Data Compliance & Governance Security Awareness & Training | num_employees = 2,000 | website = | footnotes = Mimecast Limited is a global cybersecurity company that addresses threats brought on by human risk.

The company is headquartered in London, and is owned by British investment firm Permira.

History

Mimecast was founded in 2003 by Peter Bauer and Neil Murray. The company started as a provider of cloud-based email management for Google Workspace, Microsoft Exchange and Microsoft Office 365. Bauer, who trained as a Microsoft systems engineer and worked with corporate messaging systems, previously founded tech integration agency FAB Technology in 1997, and sold it in 1999 to Idion Technology Holdings. He became Mimecast's CEO. Murray was previously CTO at Global Technology Services and founder of Pro-Solutions. He became the company's CTO.

In June 2010, Mimecast appointed Dr. Nathaniel Borenstein chief scientist. Borenstein co-created the Multipurpose Internet Mail Extensions (MIME) email standard, along with other email systems and software.

On October 16, 2015, Mimecast announced that it filed its registration statement for a proposed initial public offering (IPO). Mimecast began trading on the Nasdaq Global Select Market under the ticker symbol "MIME" on November 19, 2015. The offering closed on November 24, 2015.

On May 19, 2022, Mimecast was acquired by and become a wholly-owned subsidiary of Magnesium Bidco Limited, an affiliate of Permira Holdings Ltd.

In January 2024, Marc van Zadelhoff replaced Bauer as the company's CEO.

Acquisitions

On July 10, 2018, Mimecast acquired cybersecurity training start up Ataata.

On July 31, 2018, Mimecast acquired Solebit.

On November 14, 2019, Mimecast acquired DMARC Analyzer.

On January 6, 2020, Mimecast acquired Segasec.

In January 2024, Mimecast acquired human risk management specialist Elevate Security.

On July 24, 2024, Mimecast acquired Code42.

In August 2024, Mimecast acquired AI compliance software provider Aware. ::figure[src="https://upload.wikimedia.org/wikipedia/commons/1/11/Mimecast_Offices.jpg" caption="Mimecast North American Office in Lexington, MA"] ::

Technology

Mimecast started as a cloud-based email management platform for Microsoft's email products, and after a series of acquisitions, expanded to be a more general provider of risk reduction services within organizations. The company sells products in the following four areas: email & collaboration threat protection; insider risk management & data protection; data compliance & governance; and security awareness & training.

Operations

Mimecast's global headquarters is based in London. Its US headquarters is in Lexington, Massachusetts, just outside of Boston. It lists additional offices in Bengaluru, Cape Town, Dubai, Hilversum, Israel, Johannesburg, Melbourne, Mississauga, Munich, Paris, Singapore, and Sydney. Marc van Zadelhoff is the company's CEO.

Security and privacy breaches

In January 2021, a Mimecast security certificate was revealed to have been compromised, potentially allowing attackers to intercept communications with Microsoft-based email servers.

References

References

  1. "Mimecast Agrees to Permira Takeover in $5.8 Billion Deal".
  2. Symcox, Jonathan. (July 24, 2024). "London’s Mimecast in US swoop".
  3. (7 December 2021). "Mimecast Agrees to Permira Takeover in $5.8 Billion Deal". Bloomberg.com.
  4. "Mimecast Cofounder and CEO Peter Bauer on the Importance of Building Relationships with Customers and Employees".
  5. "FORM 10-K".
  6. "The Future Fifty: the list".
  7. Partners, Insight. (March 17, 2025). "Peter Bauer’s big bet on email: Mimecast’s journey from bootstrapped startup to email pioneer".
  8. "Mimecast Appoints Marc van Zadelhoff as New CEO".
  9. Moyo, Admire. (July 25, 2024). "Mimecast bolsters insider threat management with Code42".
  10. "Mimecast Leaders Eligible For $456.9M In Payouts In Permira Deal | CRN".
  11. https://www.bizjournals.com/boston/stories/2010/06/21/daily2.html
  12. https://www.reuters.com/article/us-mimecast-ipo/email-security-provider-mimecast-files-for-u-s-ipo-idUSKCN0SD26720151019/
  13. Hackett, Robert. "This is the IPO You Missed Today".
  14. "Mimecast is listed in Permira's Portfolio.".
  15. (2018-07-10). "Cybersecurity training startup Ataata acquired by Mimecast - Technical.ly DC". Technical.ly DC.
  16. (2017-12-19). "Bethesda-based cybersecurity training startup raises $3M Series A - Technical.ly DC". Technical.ly DC.
  17. Osborne, Charlie. (2018-08-01). "Mimecast snaps up security software developer Solebit in $88m deal". ZDNet.
  18. mimecast. "Mimecast Acquires DMARC Analyzer".
  19. mimecast. "Segasec Acquisition".
  20. "Mimecast Acquires Elevate Security to Address Human Risk".
  21. Williams, Nick. (July 25, 2024). "Code42, a Twin Cities tech darling, acquired by Massachusetts-based cyber firm". The Minnesota Star Tribune.
  22. (August 14, 2024). "Mimecast acquires Aware to enhance security and compliance in workplace collaboration tools".
  23. https://www.crn.com/news/security/mimecast-buys-email-security-firm-dmarc-analyzer-to-block-spoofing
  24. https://www.cio.com/article/201506/mimecast-acquires-israeli-cybersecurity-startup-segasec.html
  25. Williams, Nick. (July 25, 2024). "Code42, a Twin Cities tech darling, acquired by Massachusetts-based cyber firm".
  26. Staff, S. C.. (August 29, 2024). "2024 SC Awards Finalists: Best Compliance Solution".
  27. "Mimecast snaps up security software developer Solebit in $88m deal".
  28. Careers, Mimecast. "Office Locations".
  29. (2021-01-12). "Email security firm Mimecast says hackers hijacked its products to spy on customers".
  30. (2021-01-13). "Mimecast Discloses Certificate Incident Possibly Related to SolarWinds Hack".
  31. Seals, Tara. (2021-01-12). "Mimecast Certificate Hacked in Microsoft Email Supply-Chain Attack".

::callout[type=info title="Wikipedia Source"] This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page. ::

software-companies-of-the-united-kingdomemailspammingcompanies-formerly-listed-on-the-nasdaq2015-initial-public-offerings2022-mergers-and-acquisitionspermira-companies