List of Companies Using Qualys
Prospecting companies using Qualys? Here they are, biggest first, including Australian Payments Plus, DHL Express España and Discovery Life Sciences. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$250M - $500M
553
$50M - $100M
553
$100M - $250M
553
$100M - $250M
553
$250M - $500M
553
$25M - $50M
553
$1B - $10B
553
$250M - $500M
553
$1.1B
$500M - $1B
551
$10M - $25M
551
$723M
$100M - $250M
550
$1B - $10B
550
$100M - $250M
548
$10M - $25M
548
$50M - $100M
548
$25M - $50M
548
$120M
$50M - $100M
547
$50M - $100M
547
$100M - $250M
547
$186M
$250M - $500M
546
$100M - $250M
546
$149M
$25M - $50M
546
$32M
$100M - $250M
545
$25M - $50M
545
$100M - $250M
544
$665M
$100M - $250M
544
$1B - $10B
543
$1.1B
$250M - $500M
543
$100M - $250M
543
$500M - $1B
542
$25M - $50M
542
$801M
$100M - $250M
541
$250M - $500M
541
$50M - $100M
540
$500M - $1B
540
$1B
$250M - $500M
540
$25M - $50M
540
$500M - $1B
539
$25M - $50M
539
$500M - $1B
538
$10M - $25M
538
$100M - $250M
538
$10M - $25M
538
$500M - $1B
538
$1B - $10B
537
$250M - $500M
537
$250M - $500M
537
$54M
$250M - $500M
537
$100M - $250M
535
$10M - $25M
535
$500M - $1B
534
$80M
$100M - $250M
534
$5.7M
$100M - $250M
533
$10M - $25M
533
$50M - $100M
532
$10M - $25M
532
$500M - $1B
532
$25M
$250M - $500M
532
$250M - $500M
532
$250M - $500M
531
$418M
$500M - $1B
530
$250M - $500M
530
$1B - $10B
529
$95M
$250M - $500M
529
$225M
$250M - $500M
528
$10M - $25M
528
$1B - $10B
526
$351M
$500M - $1B
526
$250M - $500M
526
$12M
$250M - $500M
526
$100M - $250M
525
$100M - $250M
525
$250M - $500M
525
$100M - $250M
525
$500M - $1B
525
$25M - $50M
524
$7M
$500M - $1B
523
$500M - $1B
523
$25M - $50M
523
$1.1B
<$1M
520
$1M - $10M
519
$250M - $500M
518
$100M - $250M
516
$50M - $100M
516
$500M - $1B
516
$500M - $1B
516
$25M - $50M
516
$25M - $50M
516
$100M - $250M
515
$25M - $50M
515
$10M - $25M
515
$50M - $100M
514
$782M
$50M - $100M
514
$667M
$100M - $250M
513
$50M - $100M
513
$500M - $1B
513
$250M - $500M
512
$1B - $10B
512
$25M - $50M
512
$1B - $10B
512
About companies using Qualys
Why target companies using Qualys?
Qualys 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 Australian Payments Plus, DHL Express España and Discovery Life Sciences.
Which industries use Qualys the most?
Among companies using Qualys 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 Qualys located?
Companies using Qualys are most often headquartered in the United States, the United Kingdom, Canada, France, India and Germany.
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 Qualys?
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.
