Best Cybersecurity Consulting Services in the USA

United States Cybersecurity Consultants

In an era when cyber threats are outpacing even the best-prepared companies, the demand for credible, flexible, and deeply technical cybersecurity consulting services has never been higher. Across the United States, businesses from high-growth SaaS startups to sprawling industrial operations are seeking cybersecurity experts to help protect their digital assets, safeguard customer trust, and meet rigorous compliance demands. From ransomware attacks to zero-day vulnerabilities, the threat landscape is constantly evolving, demanding not just reactive solutions, but proactive, strategy-led defenses. Today’s top cybersecurity consultancies don’t just install tools, they embed risk awareness into company culture, align security with business goals.

But finding the right partner isn’t about slick branding, it’s about proven methods, measurable results, and leadership you can trust. That’s why we’ve curated this research-driven and client-reviewed list of standout cybersecurity consultancies helping organizations thrive securely.

Methodology: How We Chose These USA Cybersecurity Consulting Services

We keep our lists radically authentic, here’s how each agency made the cut:

🔍 Research-driven: Every consultancy listed here demonstrates public proof of frameworks, case studies, and repeatable methods.

💬 Client-reviewed: Verified feedback, testimonials, and ROI examples back up the claims.

📍 Location-based: Each firm is proudly rooted in the USA, with local leadership you can actually reach.

🌟 US-Based Cybersecurity Consultants - Provider Spotlights

🔐 Systemian

What they do:
Systemian delivers robust cybersecurity risk assessments, penetration testing, and tailored compliance frameworks for mid-market SaaS and regulated industries.

Who they work with:
Tech-driven SaaS companies, fintech startups, and large-scale healthcare organizations.

Operating model:
They blend fractional CISO services with project-based security audits, giving clients flexibility without sacrificing depth.

💡 Why they stand out:

• 🛡️ Proprietary risk assessment framework tailored for regulated sectors.
  
  
• 📈 Demonstrated reduction of breach risks for multiple Series B SaaS firms.
  
  
• ⚙️ Flexible plug-in CISO model that scales with client growth.

Wilson Fernando, Founder & Mentor of Systemian

Wilson Fernando brings two decades of deep technical expertise as a former security architect for Fortune 500 companies. He’s known for designing scalable frameworks that align security with business outcomes. Wilson’s approach is direct, data-backed, and trusted by fast-growing tech leaders.

🔐 Option One Technologies

What they do:
Option One Technologies focuses on managed threat detection, cloud security posture management, and on-demand breach response.

Who they work with:
Primarily cloud-native startups and SMEs in e-commerce and digital retail.

Operating model:
They offer hybrid retainers plus fractional security engineering teams for agile remediation.

💡 Why they stand out:

• 🔒 24/7 threat monitoring built on custom ML models.
  
  
• 🚨 Proven incident response playbooks cutting breach impact time by 70%.
  
  
• 🧩 Integration-first works with any cloud stack, no vendor lock-in.

Stephen Kiley, Co-Founder & CEO of Option One Technologies

Stephen Kiley is a seasoned security strategist who previously led threat ops for a major US telco. He’s recognized for operationalizing complex threat intelligence into bite-sized, actionable defenses for smaller teams.

Jose Suazo-Villar, Co-Founder & President of Option One Technologies

Jose Suazo-Villar leads cybersecurity and cloud strategy for financial firms seeking secure, scalable solutions. With a focus on compliance, SaaS innovation, and white-glove service, he delivers cybersecurity consulting that protects sensitive data while enabling growth and transformation.

🔐 BlueRadius

What they do:
BlueRadius delivers strategic cyber defense programs, privacy governance, and vCISO services.

Who they work with:
DTC brands, financial firms, and fast-scaling marketplaces.

Operating model:
BlueRadius emphasizes co-sourced virtual CISO partnerships, building up internal security teams while filling expertise gaps.

💡 Why they stand out:

• 🧭 Frameworks mapped to ISO, SOC 2, and GDPR compliance.
  
  
• ⚡ Credible zero-to-one security program builds for seed-stage companies.
  
  
• 📊 Live dashboards for clients to track risk posture in real time.

Jeff Sowell, Founder & Board-Level Security Advisor of BlueRadius

Jeff Sowell is known for bridging compliance with real-world operations. With a background in privacy law and security ops, he helps companies unify security and governance without killing agility.

🔐 Cardinal Technology Solutions, Inc.

What they do:
Cardinal Technology Solutions, Inc. offers holistic security audits, penetration testing, and IT infrastructure hardening.

Who they work with:
Mid-sized manufacturers, regional banks, and energy providers.

Operating model:
Combines on-site security assessments with remote monitoring services.

💡 Why they stand out:

• 🏭 Deep sector expertise in OT/ICS security for industrial networks.
  
  
• 📝 Certified ethical hacking team with clear, actionable reporting.
  
  
• 🗂️ Strong track record in helping clients meet federal compliance benchmarks.

Leslie Hicks, President of Cardinal Technology Solutions, Inc.

Leslie Hicks is an industry veteran with 25+ years in critical infrastructure security. Known for leading clear-cut audits and employee security training that sticks, Leslie’s practical approach keeps security realistic for legacy-heavy industries.

🔐 CPF Coaching LLC

What they do:
CPF Coaching LLC stands out as a unique blend of cybersecurity consulting and leadership coaching, helping companies level up both skills and culture.

Who they work with:
Cyber teams at growing tech companies, plus individual security professionals.

Operating model:
1:1 coaching, executive workshops, and customized vCISO advisory.

💡 Why they stand out:

• 🧑‍🏫 Fuses technical consulting with people-centric coaching.
  
  
• 🔗 Builds resilient security cultures that retain top talent.
  
  
• 📚 Known for accessible frameworks that demystify security for non-technical leaders.

Christophe Foulon CISSP, GSLC, MSIT, Founder & Executive Cybersecurity Advisor of CPF Coaching LLC

Christophe Foulon is widely respected for making cybersecurity human. A published author and speaker, he blends hands-on security practice with leadership coaching that helps tech companies create security cultures, not just checklists.

🔐 Earney IT

What they do:
Earney IT delivers secure network architecture, compliance consulting, and ongoing managed cybersecurity services.

Who they work with:
Local governments, school districts, and healthcare providers.

Operating model:
Hands-on, relationship-first, many clients have stayed for over a decade.

💡 Why they stand out:

• 🏢 Specializes in public sector and education.
  
  
• 🔑 Known for de-mystifying compliance for non-technical teams.
  
  
• 🕰️ High client retention thanks to proactive, friendly support.

Barrett Earney, Founder & CEO of Earney IT

Barrett Earney built Earney IT to bridge the gap between community-focused organizations and enterprise-level security. He’s hands-on, solutions-focused, and a go-to for education sector compliance projects.

🔐 Magnataur

What they do:
Magnataur combines offensive security testing with defensive engineering, delivering full-spectrum penetration testing and remediation roadmaps.

Who they work with:
Tech startups, fintech, and B2B SaaS firms.

Operating model:
Known for short, intensive engagements with clear deliverables.

💡 Why they stand out:

• 🐉 Offensive-first - red team services stress-test real-world readiness.
  
  
• 🔍 Post-test coaching for in-house teams to maintain resilience.
  
  
• 🚀 Focus on empowering startups to handle security internally.

Alexander Feng, Founder & CEO of Magnataur

Alexander Feng is a highly sought-after pen tester and educator who’s trained in-house red teams at some of the USA’s fastest-scaling fintechs. He’s big on practical skills over jargon, helping startups build a security-first culture.

🔐 IT Medical Technologies

What they do:
IT Medical Technologies delivers specialized HIPAA compliance, medical device security audits, and healthcare IT hardening.

Who they work with:
Hospitals, clinics, and health tech companies.

Operating model:
Combines virtual consulting with on-site device and network testing.

💡 Why they stand out:

• ⚕️ Niche focus on healthcare cybersecurity.
  
  
• 🩺 Proven success securing IoT-enabled medical equipment.
  
  
• 📄 Clear roadmaps for passing healthcare compliance audits.

Charles Smith, Founder, President & CEO of IT Medical Technologies

Charles Smith’s name is synonymous with medical device security. With decades in clinical IT and security, he’s known for crafting airtight compliance pathways that don’t overwhelm medical staff.

🔐 TeamLogic IT of Colorado Springs

What they do:
TeamLogic IT of Colorado Springs offers robust managed IT plus cybersecurity, including ransomware defense and disaster recovery.

Who they work with:
Local small businesses, professional service firms, and nonprofits.

Operating model:
Personalized, local-first with national scale.

💡 Why they stand out:

• 🤝 Strong community ties, local presence with national resources.
  
  
• 🦺 Full-stack security plus managed IT in one contract.
  
  
• 🗂️ Proven protocols for rapid recovery from ransomware.

Charles S. Cunningham, Owner & President of TeamLogic IT of Colorado Springs

Charles S. Cunningham is a trusted local leader who’s helped countless businesses bounce back from cyber incidents stronger than before. He’s known for translating complex risks into clear next steps.

🔐 White Oak Solutions

What they do:
White Oak Solutions provides governance, risk, and compliance (GRC) consulting with embedded security audits and training.

Who they work with:
Government contractors, defense firms, and regulated industries.

Operating model:
Offers fractional CISO and GRC-as-a-Service packages.

💡 Why they stand out:

• 🛡️ Expert at navigating government security frameworks.
  
  
• 📚 Comprehensive training for clients’ in-house security teams.
  
  
• ⚖️ Practical GRC blueprints that balance compliance with usability.

Daniel Beckworth, Founder, CEO & Modernization Architect of White Oak Solutions

Daniel Beckworth brings more than 15 years of GRC leadership for defense contractors. He’s known for making frameworks practical and actionable, not just paper exercises.

Stay Ahead of Cyber Risk

From red team testing to compliance blueprints and culture-focused coaching, these standout U.S. cybersecurity consultancies prove that expertise comes in many specialized forms. Whether you're a seed-stage SaaS startup or a public sector organization, these providers align with your security challenges and scale. Many operate with flexible models from fractional CISOs to hybrid retainers, ensuring clients get depth without long-term lock-in. Their founders bring decades of credibility, often blending deep technical knowledge with business-aligned delivery. Ultimately, these firms don’t just protect digital assets, they help build resilient, security-first organizations from the inside out.

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In today’s cybersecurity landscape, credible guidance is as critical as the code itself. Find the partners and insights that matter most, only on Digital Reference.‍