Top 10 Cybersecurity Services Agencies in Texas (2026)

#1CrowdStrike

Texas·Enterprise·15+ yrs·Score: 100

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AI-powered cloud-native cybersecurity platform providing endpoint protection, threat intelligence, and incident response services.

#2Accenture Security

New York·Enterprise·37+ yrs·Score: 98

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Global cybersecurity consulting and managed services provider delivering strategic and operational security.

#3Deloitte Cyber

New York·Enterprise·Score: 98

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Big Four cybersecurity practice providing advisory, implementation, and managed security services.

#4PwC Cybersecurity

New York·Enterprise·28+ yrs·Score: 98

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Global cybersecurity and privacy consulting practice providing strategic and technical security services.

#5EY Cybersecurity

New York·Enterprise·37+ yrs·Score: 95

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Cybersecurity services and consulting from Big Four firm delivering strategic advisory and managed security.

#6KPMG Cyber Security

New York·Enterprise·39+ yrs·Score: 93

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Cybersecurity consulting and managed services from Big Four firm focusing on risk and resilience.

#7Securonix

Texas·Mid-Size·17+ yrs·Score: 90

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Security analytics and operations platform provider specializing in SIEM, UEBA, and SOAR capabilities.

#8LevelBlue (AT&T Cybersecurity)

Texas·Enterprise·7+ yrs·Score: 80

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Managed security services provider with telecommunications heritage, recently rebranded from AT&T Cybersecurity.

#9NTT Security

Nebraska·Enterprise·10+ yrs·Score: 80

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Global managed security services provider operating as part of NTT Group.

#10Rackspace Technology

Texas·Enterprise·28+ yrs·Score: 80

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Multi-cloud managed services provider with 25+ years experience, offering migration and management across AWS, Azure, Google Cloud, and VMware.