List of Companies Using Mimecast
Prospecting companies using Mimecast? Here they are, biggest first, including ITRS, Ingram Book Company and Plessey. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$500M - $1B
391
$250M - $500M
391
$10M - $25M
391
$1M - $10M
391
$650M
$500M - $1B
391
$25M - $50M
390
$960K
$100M - $250M
390
$500M - $1B
390
$250M - $500M
390
$1B - $10B
390
$100M - $250M
390
$100M - $250M
390
$1B - $10B
390
$100M - $250M
390
$1M - $10M
390
$250M - $500M
390
$100M - $250M
390
$1B - $10B
389
$10M - $25M
389
$1B - $10B
389
$100M - $250M
389
$100M - $250M
389
$100M - $250M
389
$250M - $500M
389
$100M - $250M
388
$250M - $500M
388
$1M - $10M
388
$183M
$50M - $100M
388
$250K
$250M - $500M
388
$50M - $100M
388
$100M - $250M
388
$100M - $250M
388
$1B - $10B
388
$50M - $100M
388
$250M - $500M
388
$1B - $10B
388
$1B - $10B
388
$500M - $1B
387
$250M - $500M
387
$25M - $50M
387
$100M - $250M
387
$25M - $50M
387
$1.7B
$250M - $500M
387
$100M - $250M
387
$1M - $10M
387
$620M
$250M - $500M
387
$100M - $250M
386
$250M - $500M
386
$10M - $25M
386
$100M - $250M
386
$100M - $250M
386
$500M - $1B
386
$250M - $500M
386
$50M - $100M
386
$10M - $25M
386
$250M - $500M
386
$100M - $250M
386
$25M - $50M
386
$35M
$250M - $500M
386
$10M - $25M
385
$50M - $100M
385
$100M - $250M
385
$50M - $100M
385
$500M - $1B
385
$250M - $500M
385
$1M - $10M
385
$25M - $50M
385
$1M - $10M
384
$45M
$1M - $10M
384
$100M - $250M
384
$10M - $25M
384
$1B - $10B
384
$1B - $10B
384
$10M - $25M
384
$100M - $250M
384
$100M - $250M
384
$100M - $250M
384
$100M - $250M
384
$1M - $10M
384
$320M
$50M - $100M
384
$50M - $100M
383
$74M
$25M - $50M
383
$500K
$250M - $500M
383
$100M - $250M
383
$25M - $50M
383
$100M - $250M
383
$500M - $1B
383
$250M - $500M
383
$50M - $100M
382
$100M - $250M
382
$50M - $100M
382
$50M - $100M
382
$100M - $250M
382
$10M - $25M
382
$1B - $10B
382
$500M - $1B
382
$100M - $250M
382
$10M - $25M
381
$100M - $250M
381
$25M
$50M - $100M
381
About companies using Mimecast
Why target companies using Mimecast?
Mimecast is a Security, identity & compliance technology. Companies running these tools already spend on identity, endpoint, email and consent security, which makes them mature buyers in the category. Companies on the list include ITRS, Ingram Book Company and Plessey.
Which industries use Mimecast the most?
Among companies using Mimecast on LeadIQ, the most common industries are Financial Services, Law Practice, IT Services and IT Consulting, Construction, Insurance and Hospitals and Health Care. Narrow your list to the industry you sell into from there.
Where are companies using Mimecast located?
Companies using Mimecast are most often headquartered in the United States, the United Kingdom, Australia, South Africa, Canada and the United Arab Emirates.
What other Security, identity & compliance technologies do companies use?
Prospecting the wider Security, identity & compliance space? Related technologies with their own company lists include Microsoft Active Directory, Cisco, Microsoft Entra ID and CookieYes.
How do I reach decision makers at companies using Mimecast?
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.
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