List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including DHL Express Singapore, Financial Services Compensation Scheme and First Citizens Wealth. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$25M - $50M
369
$25M - $50M
369
$500M - $1B
369
$25M - $50M
369
$250M - $500M
369
$25M - $50M
369
$10M - $25M
369
$100M - $250M
368
<$1M
368
$50M - $100M
368
$11M
$500M - $1B
368
$100M - $250M
367
$100M - $250M
367
$1M - $10M
366
$100M - $250M
366
$566M
$100M - $250M
366
$100M - $250M
366
$100M - $250M
366
$500M - $1B
366
$500M - $1B
366
$25M - $50M
365
$500M - $1B
365
$100M - $250M
365
$420M
$1B - $10B
365
$500M - $1B
365
$10M - $25M
364
$250M - $500M
364
$100M - $250M
364
$100M - $250M
364
$25M - $50M
364
$250M - $500M
363
$250M - $500M
363
$10M - $25M
363
$25M - $50M
363
$100M - $250M
363
$100M - $250M
363
$50M - $100M
363
$100M - $250M
362
$25M - $50M
362
$10M - $25M
362
$100M - $250M
362
$1B - $10B
361
$50M - $100M
361
$116M
$100M - $250M
361
$25M - $50M
361
$250M - $500M
360
$25M - $50M
360
$10M - $25M
359
$250M - $500M
359
$500M - $1B
359
$1M - $10M
359
$25M - $50M
358
$100M - $250M
358
$50M - $100M
358
$25M - $50M
357
$60M
$250M - $500M
357
$25M - $50M
357
$100M - $250M
357
$100M - $250M
357
$250M - $500M
357
$100M - $250M
356
$100M - $250M
356
$25M - $50M
356
$100M - $250M
355
$100M - $250M
355
$100M - $250M
355
$250M - $500M
355
$50M - $100M
355
$100M - $250M
355
$500M - $1B
355
$17M
$100M - $250M
355
$1B - $10B
355
$500M - $1B
354
$50M - $100M
354
$25M - $50M
354
$1B - $10B
354
$1B - $10B
354
$144M
$50M - $100M
353
$250M - $500M
353
$50M - $100M
353
$50M - $100M
353
$50M - $100M
353
$25M - $50M
352
$534M
$250M - $500M
352
$50M - $100M
351
$10M - $25M
351
$9.6B
$100M - $250M
351
$1.5B
$25M - $50M
351
$500M - $1B
351
$250M - $500M
351
$10M - $25M
351
<$1M
350
$25M - $50M
350
$169M
$100M - $250M
350
$25M - $50M
350
$10M - $25M
350
$1.2M
$500M - $1B
349
$100M - $250M
349
$1M - $10M
349
$100M - $250M
349
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 DHL Express Singapore, Financial Services Compensation Scheme and First Citizens Wealth.
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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