List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including European Bank for Reconstruction and Development, MindInventory and The Medicines Company. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
<$1M
320
$25M - $50M
320
$400M
$500M - $1B
320
$25M - $50M
320
$500M - $1B
319
$50M - $100M
319
$1.8B
$50M - $100M
319
$1B - $10B
318
$1.9B
$100M - $250M
318
$100M - $250M
318
$100M - $250M
318
<$1M
317
$250M - $500M
317
$100M - $250M
316
$1M - $10M
316
$100M - $250M
316
$500M - $1B
316
$55M
$250M - $500M
316
$100M - $250M
315
$100M - $250M
315
$1M - $10M
315
$250M - $500M
314
$25M - $50M
314
$864M
$10B+
314
$50M - $100M
314
$25M - $50M
314
$100M - $250M
314
$100M - $250M
314
$100M - $250M
314
$18M
$100M - $250M
314
$1M - $10M
314
$50M - $100M
313
$50M - $100M
313
$250M - $500M
313
$100M - $250M
313
$100M - $250M
313
$10M - $25M
312
$250M - $500M
312
$189K
$100M - $250M
312
$10M - $25M
312
$50M - $100M
312
$168M
$1B - $10B
312
$25M - $50M
312
$1M - $10M
311
$10M - $25M
311
$10M - $25M
311
$50M - $100M
311
$10M - $25M
311
$10M - $25M
310
$250M - $500M
310
$250M - $500M
310
$500M - $1B
310
$10M - $25M
310
$1B - $10B
310
$50M - $100M
310
<$1M
310
$214K
$1M - $10M
310
$1M - $10M
310
$100M - $250M
309
$50M - $100M
309
$120M
$100M - $250M
309
$100M - $250M
308
$50M - $100M
308
$100M - $250M
308
$100M - $250M
308
$4.5M
$25M - $50M
308
$25M - $50M
308
$25M - $50M
308
$100M - $250M
308
$250M - $500M
308
$25M - $50M
308
$250M - $500M
308
$1M - $10M
308
$10M - $25M
308
$96M
$250M - $500M
307
$50M - $100M
307
$146M
$250M - $500M
307
$100M - $250M
307
$49M
$10M - $25M
306
$100M - $250M
306
$100M - $250M
306
$50M - $100M
306
$1B - $10B
306
$50M - $100M
306
$1M - $10M
306
$1M - $10M
306
$791M
$100M - $250M
305
$10M - $25M
305
$10M - $25M
305
$1M - $10M
305
$1.4M
$25M - $50M
305
$37M
$100M - $250M
305
$10M - $25M
305
$50M - $100M
305
$10M - $25M
305
$100M - $250M
305
$182M
$25M - $50M
305
$10B+
305
$250M - $500M
305
$100M - $250M
304
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 European Bank for Reconstruction and Development, MindInventory and The Medicines Company.
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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