List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Truveta, Kestra Financial and Launch Consulting Group. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$515M
$250M - $500M
469
$250M - $500M
468
$250M - $500M
468
$100M - $250M
467
$25M - $50M
466
$250M - $500M
466
$17M
$50M - $100M
466
$100M - $250M
466
$156M
$1B - $10B
466
$500M - $1B
466
$1B - $10B
465
$100M - $250M
465
$105M
$250M - $500M
465
$5.1B
$250M - $500M
464
$1B - $10B
464
$25M - $50M
464
$1M - $10M
464
$100M - $250M
464
$250M - $500M
464
$100M - $250M
464
$1M - $10M
463
$100M - $250M
463
$10M - $25M
463
$10M - $25M
463
$250M - $500M
463
$500M - $1B
463
$50M - $100M
463
$100M - $250M
463
$250M - $500M
463
$220M
$50M - $100M
463
$190M
$100M - $250M
462
$100M - $250M
462
$250M - $500M
462
$1M - $10M
462
$25M - $50M
461
$25M - $50M
461
$250M - $500M
461
$1.4M
$10M - $25M
461
$50M - $100M
461
$10M - $25M
461
$10M - $25M
460
$1M - $10M
460
$100M - $250M
460
$500M - $1B
460
$2.2M
$25M - $50M
459
$10M - $25M
459
$1M - $10M
459
$25M - $50M
459
$10M - $25M
459
$250M - $500M
459
$250M - $500M
459
$10M - $25M
458
$1M - $10M
458
$25M - $50M
458
$100M - $250M
458
$1B - $10B
458
$250M - $500M
457
$25M - $50M
457
$100M - $250M
457
$500M - $1B
457
$100M - $250M
456
$25M - $50M
456
$1M - $10M
456
$500M - $1B
456
$100M - $250M
456
$250M - $500M
456
$100M - $250M
455
$1B - $10B
455
$1M - $10M
454
$100M - $250M
454
$580M
$100M - $250M
453
$1M - $10M
453
$100M - $250M
453
$50M - $100M
453
$50M - $100M
453
$50M - $100M
453
$1M - $10M
453
$10M - $25M
452
$1B - $10B
452
$100M - $250M
452
$250M - $500M
452
$50M - $100M
451
$1M - $10M
450
$50M - $100M
450
$10B+
450
$500M - $1B
450
$1B - $10B
450
$250M - $500M
449
$50M - $100M
449
$10M - $25M
449
$10M - $25M
449
$102M
$100M - $250M
449
$200K
$250M - $500M
449
$25M - $50M
449
$500M - $1B
449
$50M - $100M
448
$1B - $10B
448
$100M - $250M
448
$1M - $10M
447
$500M - $1B
447
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 Truveta, Kestra Financial and Launch Consulting Group.
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.
Search by Industry
ConstructionIT Services and IT ConsultingSoftware DevelopmentFinancial ServicesReal EstateHospitals and Health CareAdvertising ServicesNon-profit OrganizationsInsuranceLaw PracticeRetailWellness and Fitness ServicesBusiness Consulting and ServicesEducation Administration ProgramsMotor Vehicle ManufacturingTechnology, Information and InternetFood and Beverage ServicesStaffing and RecruitingAccountingOil and GasHospitalityAppliances, Electrical, and Electronics ManufacturingManufacturingArchitecture and PlanningMachinery Manufacturing
Search by Country
United StatesUnited KingdomCanadaGermanyAustraliaFranceNetherlandsIndiaSpainSwitzerlandItalySwedenBrazilBelgiumSingaporeIrelandUnited Arab EmiratesDenmarkSouth AfricaIsraelNew ZealandNorwayFinland
Search by Technology
Top companies by employee count
Top companies in United States by employee countTop companies in United Kingdom by employee countTop companies in Canada by employee countTop companies in Germany by employee countTop companies in France by employee countTop companies in Australia by employee countTop companies in Netherlands by employee countTop companies in India by employee countTop companies in Spain by employee countTop companies in Switzerland by employee countTop companies in Sweden by employee countTop companies in Italy by employee countTop companies in Denmark by employee countTop companies in Brazil by employee countTop companies in Ireland by employee count
1-888-653-2347 
support@leadiq.com © LeadIQ, Inc. All rights reserved.
