List of Companies Using Mimecast
Prospecting companies using Mimecast? Here they are, biggest first, including Heidelberg Instruments, Holly Energy Partners, L.P. ("HEP") and Hueston Hennigan LLP. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$50M - $100M
146
$400M
$250M - $500M
146
$25M - $50M
146
$38M
$250M - $500M
146
$1M - $10M
146
$50M - $100M
146
$50M - $100M
146
$10M - $25M
146
$50M - $100M
146
$50M - $100M
146
$50M - $100M
146
$50M - $100M
146
$50M - $100M
146
$100M - $250M
146
$100M - $250M
146
$50M - $100M
146
$100M - $250M
146
$10M - $25M
146
$25M - $50M
146
$10M - $25M
146
$16M
$250M - $500M
146
$10M - $25M
146
$25M - $50M
146
$25M - $50M
146
$50M - $100M
145
$25M - $50M
145
$250M - $500M
145
$100M - $250M
145
$100M - $250M
145
$55M
$25M - $50M
145
$100M - $250M
145
$25M - $50M
145
$100M - $250M
145
$500M - $1B
145
$25M - $50M
145
$100M - $250M
145
$100M - $250M
145
$100M - $250M
145
$50M - $100M
145
$100M - $250M
145
$1M - $10M
145
$25M - $50M
145
$100M - $250M
145
$25M - $50M
145
$1M - $10M
145
$50M - $100M
145
$250M - $500M
145
$250M - $500M
145
$250M - $500M
145
$50M - $100M
145
$100M - $250M
145
<$1M
145
$25M - $50M
145
$250M - $500M
145
$25M - $50M
145
$100M - $250M
145
$10M - $25M
145
$25M - $50M
145
$50M - $100M
145
$32M
$50M - $100M
145
$50M - $100M
145
$100M - $250M
145
$127M
$100M - $250M
145
$815M
$1M - $10M
144
$25M - $50M
144
$1M - $10M
144
<$1M
144
$50M - $100M
144
$250M - $500M
144
$100M - $250M
144
$1M - $10M
144
$1M - $10M
144
$10M - $25M
144
$100M - $250M
144
$50M - $100M
144
$100M - $250M
144
$25M - $50M
144
$25M - $50M
144
$50M - $100M
144
$50M - $100M
144
$25M - $50M
144
$50M - $100M
144
$250M - $500M
144
$25M - $50M
144
$50M - $100M
144
$50M - $100M
144
$50M - $100M
144
$9M
$100M - $250M
144
$250M - $500M
144
$100M - $250M
144
$25M - $50M
144
$50M - $100M
144
$100M - $250M
144
$50M - $100M
144
$243K
$100M - $250M
144
$50M - $100M
144
$100M - $250M
144
$50M - $100M
144
$1M - $10M
144
$10M - $25M
144
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 Heidelberg Instruments, Holly Energy Partners, L.P. ("HEP") and Hueston Hennigan LLP.
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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