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Founded Year



Unattributed | Alive

Total Raised


Last Raised

$177.79M | 10 mos ago



About Mimecast

Mimecast (NASDAQ: MIME) is a cybersecurity company providing artificial intelligence (AI)-powered email security solutions. It provides a suite of cybersecurity tools and platforms for email security and resilience, data governance, ransomware protection, and more. The company was founded in 2003 and is based in London, United Kingdom.

Headquarters Location

1 Finsbury Avenue

London, England, EC2M 2PF,

United Kingdom

+44 (0)20 7847 8700


Mimecast's Product Videos

ESPs containing Mimecast

The ESP matrix leverages data and analyst insight to identify and rank leading companies in a given technology landscape.

Enterprise Tech / Cybersecurity

The security awareness training market offers solutions designed to educate employees about security best practices and help prevent security breaches caused by human error. Security awareness training programs cover a range of topics, including password management, phishing awareness, and data protection. Capabilities of solutions in this market include online training modules, phishing simulatio…

Mimecast named as Leader among 15 other companies, including Proofpoint, Arctic Wolf Networks, and KnowBe4.

Mimecast's Products & Differentiators

    Email Security

    Provided via a Secure Email Gateway (SEG) or via an integrated cloud offering


Expert Collections containing Mimecast

Expert Collections are analyst-curated lists that highlight the companies you need to know in the most important technology spaces.

Mimecast is included in 2 Expert Collections, including Conference Exhibitors.


Conference Exhibitors

5,302 items



7,452 items

These companies protect organizations from digital threats.

Mimecast Patents

Mimecast has filed 48 patents.

The 3 most popular patent topics include:

  • computer network security
  • computer security
  • email
patents chart

Application Date

Grant Date


Related Topics




Computer security, Archive formats, Computer network security, Cybercrime, Cyberwarfare


Application Date


Grant Date



Related Topics

Computer security, Archive formats, Computer network security, Cybercrime, Cyberwarfare



Latest Mimecast News

Mimecast appoints Janet Prosper as Chief Human Resources Officer

Nov 29, 2023

" Mimecast, a US-based IT company, has announced the appointment of Janet Prosper as Chief Human Resources Officer (CHRO), effective immediately. Prosper, previously serving as Senior Vice President in her most recent role, assumed the interim CHRO position in October 2022. In her new role, she will report to Peter Bauer, Mimecast's CEO. As CHRO, Prosper will collaborate with the executive team to shape the company’s people and organizational strategy. She will lead all aspects of human resources, with a focus on transformation, organizational design, change management, culture, employee offerings, talent management, and leader development, including DEI initiatives. With over 30 years of HR expertise leading teams in large global organizations, Prosper has previously worked with CareerBuilder as Senior Director of Global HR, Ciena as HRBP Leader, and Equifax as Head of HR UK & Ireland, among other roles. Welcoming Prosper to the leadership role, Bauer said, “Janet is a strong and capable business partner, skilled at aligning Mimecast’s people strategy with our company goals to drive business success and growth. I’m thrilled to have Janet on the team, and I'm confident she will be a tremendous asset and enabler of our success.” Prosper added, “It is an honour to lead Mimecast’s fabulous and talented team of human resources professionals. I look forward to continuing our work together and partnering with our business leaders to foster an innovative and inclusive culture where people can do their best work, driven by our Mimecast Way values.

Mimecast Frequently Asked Questions (FAQ)

  • When was Mimecast founded?

    Mimecast was founded in 2003.

  • Where is Mimecast's headquarters?

    Mimecast's headquarters is located at 1 Finsbury Avenue, London.

  • What is Mimecast's latest funding round?

    Mimecast's latest funding round is Unattributed.

  • How much did Mimecast raise?

    Mimecast raised a total of $260.79M.

  • Who are the investors of Mimecast?

    Investors of Mimecast include Permira, Dawn Capital, Insight Partners and Index Ventures.

  • Who are Mimecast's competitors?

    Competitors of Mimecast include Tessian, Armorblox, Abnormal, Material Security, Hornetsecurity and 7 more.

  • What products does Mimecast offer?

    Mimecast's products include Email Security and 3 more.

  • Who are Mimecast's customers?

    Customers of Mimecast include Vercity, Three Crowns LLP and Cushman & Wakefield.


Compare Mimecast to Competitors

Proofpoint Logo

Proofpoint operates as a security and compliance solutions company. It offers email, mobile, desktop, cloud, digital risk, and information protection products to provide security awareness training, archiving, and compliance solutions. The company serves the federal government, higher education, financial services, healthcare, and other industries. The company was founded in 2002 and is based in Sunnyvale, California.


IRONSCALES provides an artificial intelligence-driven email security platform. The company offers ransomware protection, credential theft protection, account takeover protection, security awareness training, phishing stimulation testing, and more. It primarily serves the cybersecurity industry. The company was founded in 2014 and is based in Atlanta, Georgia.


INKY operates as a cloud-based email security platform with integrated artificial intelligence. It recognizes logos, brand colors, and email signatures and understands email, and searches for signs of fraud and imposters. INKY was formerly known as New Arcode. The company was founded in 2008 and is based in College Park, Maryland.

Abnormal Logo

Abnormal develops a cloud email security platform protecting enterprises from targeted email attacks. Its platform uses abnormal behavior technology (ABX), which combines the abnormal identity model, the abnormal relationship graph, and abnormal content analysis to stop attacks that lead to account takeover, financial damage, and organizational mistrust. It was founded in 2018 and is based in San Francisco, California.

Xorlab Logo

Xorlab develops and provides information technology (IT) security products and services for businesses. The company's machine-intelligent software understands human communication behavior and relationships. The products allow security leaders to control the attack surface across tens of thousands of individual relationships in real-time, and restore confidence in digital communication channels. it was founded in 2015 and is based in Zurich, Switzerland.

Valimail Logo

Valimail delivers fully automated email authentication as a cloud service. The platform monitors enforces, and amplifies business domains. Its platform works for stopping fake emails, protecting brands, and helping ensure compliance. It was founded in 2015 and is based in San Francisco, California.


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