List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Pankow Builders, Saab UK and Vacon Ltd. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
294
$1M - $10M
294
$500M - $1B
294
$1M - $10M
294
$500M - $1B
294
$100M - $250M
293
$50M - $100M
293
$29M
$100M - $250M
293
$100M - $250M
293
$250M - $500M
293
$100M - $250M
293
$1M - $10M
293
$500M - $1B
293
$25M - $50M
292
$100M
$1B - $10B
292
$10B+
292
$10M - $25M
292
$100M - $250M
291
$10M - $25M
290
$10M - $25M
290
$100M - $250M
290
$1M - $10M
290
$13M
$100M - $250M
290
$3.4M
$25M - $50M
290
$1M - $10M
290
$1M - $10M
290
$50M - $100M
289
$100M - $250M
289
$250M - $500M
289
$250M - $500M
289
$188M
$25M - $50M
289
$10M - $25M
289
$25M - $50M
289
$100M - $250M
289
$37M
$100M - $250M
288
$500M - $1B
288
$500M - $1B
288
$10M - $25M
288
$10M - $25M
288
$50M - $100M
287
$100M - $250M
287
$100M - $250M
287
$50M - $100M
286
$250M - $500M
286
$100M - $250M
286
$100M - $250M
286
$100M - $250M
286
$1.2B
$1M - $10M
286
$1M - $10M
286
$5.2M
$250M - $500M
286
$100M - $250M
286
$25M - $50M
286
$50M - $100M
286
$1B - $10B
286
$25M - $50M
286
$250M - $500M
285
$50M - $100M
285
$10M - $25M
285
$50M - $100M
285
$25M - $50M
284
$10M - $25M
284
$25M - $50M
284
$100M - $250M
284
$100M - $250M
284
$1B - $10B
284
$250M - $500M
284
$1M - $10M
283
$25M - $50M
283
$1B - $10B
283
$50M - $100M
283
$50M - $100M
283
$50M
$50M - $100M
283
$1B - $10B
283
$95M
$100M - $250M
283
$1B - $10B
283
$10M - $25M
283
$1M - $10M
282
$500M - $1B
282
$10M - $25M
282
$10M - $25M
282
$50M - $100M
282
$50M - $100M
282
$10B+
281
$250M - $500M
281
$10M - $25M
281
$10M - $25M
280
$250M - $500M
280
$550K
$100M - $250M
280
$50M - $100M
280
$250M - $500M
280
$10M - $25M
280
$1B - $10B
280
$100M - $250M
280
$100M - $250M
280
$25M - $50M
279
$50M - $100M
279
$323K
$50M - $100M
279
$1M - $10M
279
$550M
$100M - $250M
278
$27M
$50M - $100M
278
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 Pankow Builders, Saab UK and Vacon Ltd.
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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