List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Devoteam Creative Tech, S2GRUPO and WireCo. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
778
$500M - $1B
778
$500M - $1B
777
$100M - $250M
776
$250M - $500M
776
$1M - $10M
775
$500M - $1B
775
$500M - $1B
775
$1B - $10B
774
$100M - $250M
774
$1.1M
$25M - $50M
774
$100M - $250M
774
$1B - $10B
773
$500M - $1B
772
$50M - $100M
772
$59M
$250M - $500M
771
$50M - $100M
771
$50M - $100M
769
$250M - $500M
768
$372M
$250M - $500M
767
$250M - $500M
764
$250M - $500M
764
$500M - $1B
763
$262M
$500M - $1B
762
$1B - $10B
762
$818M
$100M - $250M
762
$30M
$25M - $50M
761
$1M - $10M
761
$100M - $250M
761
$10M - $25M
761
$50M - $100M
761
$500M - $1B
759
$33M
$250M - $500M
759
$50M - $100M
759
$500M - $1B
759
$1B - $10B
759
$10M - $25M
758
$10M - $25M
757
$25M - $50M
757
$112M
$1B - $10B
756
$50M - $100M
756
$50M - $100M
756
$50M - $100M
756
$500M - $1B
755
$50M - $100M
754
$500M - $1B
754
$500M - $1B
754
$500M - $1B
754
$1B - $10B
752
$725K
$500M - $1B
751
$530M
$500M - $1B
750
$250M - $500M
750
$100M - $250M
750
$250M - $500M
750
$210M
$250M - $500M
750
$25M - $50M
750
$500M - $1B
749
$50M - $100M
749
$500M - $1B
749
$50M - $100M
748
$250M - $500M
747
$250M - $500M
746
$25M - $50M
746
$500M - $1B
745
$126M
$250M - $500M
745
$500M - $1B
745
$4.5M
$1B - $10B
744
$10M - $25M
744
$256M
$1B - $10B
743
$1.7M
$1B - $10B
743
$250M - $500M
743
$250M - $500M
742
$250M - $500M
741
$250M - $500M
741
$325M
$25M - $50M
740
$50M - $100M
740
$100M - $250M
740
$500M - $1B
739
$500M - $1B
738
$10M - $25M
737
$500M - $1B
736
$250M - $500M
735
$50M - $100M
735
$100M - $250M
733
$100M - $250M
732
$1B - $10B
732
$250M - $500M
732
$10M - $25M
731
$100M - $250M
731
$1B - $10B
731
$250M - $500M
731
$250M - $500M
730
$10M - $25M
730
$50M - $100M
729
$619M
$100M - $250M
729
$98M
$25M - $50M
728
$250M - $500M
728
$100M - $250M
728
$500M - $1B
728
$80M
$1B - $10B
728
About companies using Microsoft Defender
Why target companies using Microsoft Defender?
Microsoft Defender 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 Devoteam Creative Tech, S2GRUPO and WireCo.
Which industries use Microsoft Defender the most?
Among companies using Microsoft Defender on LeadIQ, the most common industries are IT Services and IT Consulting, Software Development, Financial Services, Insurance, Higher Education and Hospitals and Health Care. Narrow your list to the industry you sell into from there.
Where are companies using Microsoft Defender located?
Companies using Microsoft Defender are most often headquartered in the United States, the United Kingdom, Canada, Germany, Australia and France.
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 Microsoft Defender?
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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Top companies by employee count
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