To provide you with only the top cybersecurity companies in the USA, our 12 veteran experts have extensively vetted each listing using our five main ranking criteria. We have also vetted over 800 of their client reviews to equip you with a well-researched, unbiased assessment of each provider’s capabilities.
List of the Best Cybersecurity Companies in the USA
667 Companies-Rankings updated: August 23, 2026
Cybersecurity companies on DesignRush are evaluated for technical expertise, capabilities, and real client reviews to help businesses choose trusted cybersecurity providers. Some listings may be paid.
Powering businesses with cutting-edge IT solutions. Your success, our mission.
Powering businesses with cutting-edge IT solutions. Your success, our mission.
Techx4u, Inc is a leading IT solutions provider, specializing in managed IT services, cybersecurity, and cloud computing. We empower businesses with innovative technology solutions tailored to their unique needs, ensuring seamless operations and robust security. Based in Sri Lanka with branches in the United...
If you think about SOC2, ISO27001, ISO 42001, GDPR, HIPAA, HITRUST Services, Securis360 For you! We weave a web of protection so strong, even the most cunning spider wouldn't dare to tangle...
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Your spark, our fuel
Your spark, our fuel
Dreamers is a research, data science, and tech consultancy that specializes in building solutions for complex problems. We are based in sunny California, but we work remotely with clients from all over the world. We're engineer-owned and operated, meaning you'll get personal attention and quick answers...
Perimattic is a technology partner specializing in AI development, software development, cloud solutions, DevOps, MLOps, and enterprise technology services. The company helps startups, growing businesses, and enterprises build secure, scalable, and high-performance digital solutions...
The IT Managed Service Provider for Growing Companies
The IT Managed Service Provider for Growing Companies
GlacisTech is an IT Services company, a managed service provider (MSP) and managed security solution provider (MSSP) for small to medium businesses in the Dallas and North Texas Region...
The company specializes in delivering comprehensive IT solutions tailored to modern business environments, supporting a wide range of technologies including Linux, Docker, Windows, and Windows Server ecosystems...
Vofox Solutions, a leading Offshore Development Company with CMMI Level 3 Certification, is renowned for delivering reliable and world-class software development solutions. Our exceptional development team and utilization of cutting-edge technologies enable us to meet and surpass client expectations...
Excellent Webworld: AI-Driven Custom Software Development Company | ISO 9001 Certified Global Leader
Excellent Webworld: AI-Driven Custom Software Development Company | ISO 9001 Certified Global Leader
Excellent Webworld delivers penetration testing, red teaming, IAM, cloud security, SOC, MDR, and compliance with GDPR, HIPAA, and PCI DSS. The firm is ISO 27001 and ISO 9001 certified, with CISSP, CISM, and CEH-certified staff. Best for teams in fintech, healthcare, and eCommerce...
IT Security and Compliance for Financial Institutions
IT Security and Compliance for Financial Institutions
RESULTS Technology delivers Top IT Compliance Solutions tailored for banks, credit unions, and financial institutions. Headquartered in Kansas City, we offer full IT maintenance services, including desktop support, business continuity, disaster recovery, and proactive network monitoring. Your success in the...
Softude offers vCISO advisory, security consulting, cyber risk management, vulnerability management, network security, and cloud security. The firm is ISO 27001 and ISO 9001 certified, with an average incident response time under one hour. Best for companies in banking, healthcare, and logistics...
Softwarium was founded almost twenty years ago with a vision of providing companies of all sizes with innovative technological solutions to meet their business needs and give them a competitive advantage. We pride ourselves on being both results-driven and culture-centric. All our team members play an...
XO provides proactive threat detection, risk assessment, and customized security strategy design for US businesses. The American cybersecurity agency holds a 99+ CSAT score, and it’s best for SMBs in retail, finance, hospitality, and education needing security alongside managed IT...
Bay Networks: Your IT authority with a strong IT outsourcing focus. Specializing in MSP, we offer tailored solutions, guaranteed satisfaction, and a competitive edge...
NextLink Labs serves as a steadfast ally in DevOps consulting, nurturing businesses across diverse industries towards sustainable development and expansion...
Tech Solutions That Derive Results, Amplifying Business Growth.
Tech Solutions That Derive Results, Amplifying Business Growth.
NOVA Cloud delivers threat detection and response, vulnerability assessments, incident response planning, continuous monitoring, and security consulting. The cybersecurity agency in the USA serves healthcare and eCommerce clients. Best for SMBs needing cybersecurity, cloud, and managed IT services...
As your trusted Technology Consultant, Outsourced IT, Cyber, and Managed Services Provider (MSP), Conscious Networks provides expertise in a wide array of technologies and solutions to business owners and their IT teams. We understand how to implement technology to enhance productivity, protect you from...
Veteran-owned AI automation agency offering full-stack services: AI agents, workflow automation, web development, SEO, digital marketing, CRM/Salesforce consulting, cybersecurity & self-hosted solutions. BYOK pricing from $2,500 clients own everything. No subscriptions...
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Engineering peace of mind
Engineering peace of mind
Vention offers security audits, application security testing, risk management, compliance, and consulting. The US cybersecurity firm is ISO-certified and has served DealCloud and StoneX. Best fit for companies in fintech and healthcare needing ongoing security assessment and compliance support...
Sigma Software delivers cybersecurity consulting covering security audits, ISMS implementation, secure SDLC, and compliance with ISO 27001, SOC 2, PCI DSS, and DORA. The firm performs 100+ audits yearly and is ISO 27001 certified. Best fit for enterprises in finance, healthcare, and defense...
MoogleLabs leverage AI/ML, Blockchain, DevOps,Low Code/No Code platforms, AI Testing and Data Science to come up with the best solutions for diverse businesses...
FRSecure offers penetration testing, vCISO, risk assessment, incident response, social engineering, and compliance preparation for PCI DSS, SOC 2, and CMMC. The USA cybersecurity company is a PCI DSS Qualified Security Assessor Company. Best for organizations needing a dedicated security partner...
A-LIGN delivers SOC 2, ISO 27001, HITRUST, FedRAMP, CMMC, PCI DSS, and penetration testing. The American cybersecurity company is an accredited ISO certification body, licensed SOC auditor, and CMMC C3PAO. Best for enterprises in healthcare, government contracting, and finance needing compliance audits...
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Full-Cycle IoT and Software Development company
Full-Cycle IoT and Software Development company
Yalantis integrates security at every stage of software development, from architecture design and DevSecOps to penetration testing, managed SIEM, and incident response, with proven expertise across healthcare, financial, and industrial sectors...
Dedicated remote teams from India, starting at $5/hour. 500+ pre-vetted professionals. Operated by LegelpTech Outsourcing Pvt Ltd (ISO 27001:2022 certified). 5-day risk-free trial. 48-hour shortlist. Founded 2021 by Ashu Mishra & Chandra Prakash. Serving SMB and mid-market clients globally...
Amnet provides network security, penetration testing, endpoint protection, and compliance with HIPAA, PCI-DSS, and SOC 2. The US cybersecurity agency is CISSP and CEH certified and an 8-time winner of Best IT Consulting Firm. It’s recommended for SMBs needing security alongside managed IT...
We empower businesses through transformative technology solutions and unmatched IT services.
We empower businesses through transformative technology solutions and unmatched IT services.
RightCyber Solutions delivers managed cybersecurity covering EDR, email security, next-gen firewall management, SIEM, MFA, and compliance support for HIPAA, PCI-DSS, and CMMC. It's recommended for SMBs and agricultural operations, needing enterprise-grade security on modest budgets...
Koltiv provides risk assessments, MDR, firewall and endpoint protection, security awareness training, compliance support for HIPAA, CMMC, and NIST, and disaster recovery planning. The USA cybersecurity firm serves agriculture and manufacturing clients. Best fit for SMBs needing security and managed IT...
Unicloud is one of the fastest-growing cloud & AI consulting companies. We strive to help our customers maximize returns on their cloud investments. We provide platform and expertise across the cloud lifecycle, starting with assessment, migrations, deployment, optimization, and SRE. In the last few years, we...
OSIbeyond delivers managed cybersecurity covering SIEM, continuous monitoring, EDR, dark web monitoring, MFA, and CMMC Level 2 compliance. The firm has served nonprofits, associations, and businesses since 2004. Best fit for SMBs and nonprofits...
eMazzanti Technologies delivers cybersecurity covering SOC, network security, penetration testing, MFA, dark web monitoring, and email defense. The American cybersecurity agency is a Microsoft Gold Partner ranked #1 MSP in New York City. Best fit for SMBs in legal, retail, and government...
Kinematic Digital offers penetration testing, application security, DevSecOps, incident response planning, SIEM, and compliance support for GDPR, CCPA, and HIPAA. It serves enterprises across web development and digital transformation. Best fit for mid-market and enterprise teams...
LeverX brings 20+ years of SAP-specific security expertise, covering GRC implementation, role and access management, data encryption, and real-time threat monitoring. The cybersecurity services company has completed 950+ projects for over 800 clients across sectors...
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Precise Software Solutions
Precise Software Solutions
Exaud develops custom cybersecurity software for high-tech companies, covering real-time threat detection, sensitive data protection, and compliance with industry standards. The cybersecurity firm served Samsung and Alphabet, and is suitable for high-tech and software firms needing security built into custom...
Solving complex problems with design and technology since 2005.
Solving complex problems with design and technology since 2005.
Infinum delivers penetration testing, GRC, secure software development, and social engineering testing through its CREST and NCSC CHECK-accredited AMR CyberSecurity unit. The cybersecurity firm is ISO 27001, SOC 2, and PCI QSA-certified. Best fit for enterprises in banking, healthcare, and defense...
All-inclusive IT. Secure, proactive, and built to scale.
All-inclusive IT. Secure, proactive, and built to scale.
Advanced Networks delivers fully managed IT and cybersecurity from our Los Angeles HQ and offices in Orange County and San Francisco, serving Southern California and the Bay Area. Unlimited support, proactive monitoring, and a full security stack, on a fixed monthly rate with no surprise costs...
Dedicated Teams That Build Complex Software Systems
Dedicated Teams That Build Complex Software Systems
SiliconMint provides cybersecurity covering static and dynamic code analysis, secure architecture, data encryption, and vulnerability testing. The US cybersecurity agency has served WhiteHat Security and Verizon. Best fit for enterprises in the fintech and banking sectors...
AI-Native App & Enterprise Software Development Company
AI-Native App & Enterprise Software Development Company
TechAhead delivers cybersecurity, covering penetration testing, AI/ML security testing, cloud security, MDR, and IoT security assessment. The American cybersecurity firm is SOC 2 Type II, ISO 27001, and AWS Security certified. It’s served clients like AXA and the ICC...
CIO Technology Solutions provides 24/7 network monitoring, ransomware prevention and remediation, compliance with PCI DSS, HIPAA, CMMC 2.0, and NIST CSF, and zero-trust architecture. The USA cybersecurity company serves businesses across healthcare, legal, and financial services...
Softeq provides penetration testing, vulnerability scanning, IDS/IPS implementation, and compliance assessment for HIPAA, PCI DSS, and FedRAMP. The agency is ISO 27001 certified with nearly 30 years of experience. Best fit for enterprises in healthcare and industrial manufacturing...
Mainstream Technologies delivers risk assessment, threat monitoring, compliance, incident response, and workforce training. The US cybersecurity agency is SOC 2 Type II certified and a CMMC-AB registered provider since 2010. Best fit for SMBs and government contractors needing a local MSSP...
Ntiva delivers managed cybersecurity covering 24/7 monitoring, vCISO, incident response, and compliance with NIST, CMMC, and HIPAA. The firm holds CMMC Level 2 certification through an accredited C3PAO. Best fit for SMBs and mid-market firms in government contracting, healthcare, and legal services...
Aldridge provides managed cybersecurity, including 24/7 SOC, MDR, SIEM, dark web monitoring, MFA, and security awareness training. The cybersecurity firm in the USA is SOC 2 certified and a Microsoft Gold Partner. Best fit for SMBs in construction, manufacturing, healthcare, and legal services...
DYOPATH delivers managed cybersecurity via its DYOGUARD platform, covering SOC, EDR, SIEM, vCISO, GRC, and dark web monitoring. The American cybersecurity agency holds a 98% client satisfaction rating. Best fit for mid-market companies in healthcare, finance, and government...
Eclypses offers a FIPS 140-3 validated data protection technology that encrypts data at the application layer with zero key management, addressing quantum and AI-era threats. The US cybersecurity firm is the best fit for enterprises in financial services, healthcare, and government...
Our Award-Winning IT Services Help Organizations Win with Technology.
Our Award-Winning IT Services Help Organizations Win with Technology.
Exigent delivers managed cybersecurity covering MDR, firewall-as-a-service, dark web monitoring, penetration testing, and HIPAA compliance support. The USA cybersecurity firm holds an 83 Net Promoter Score and 25+ years of experience. Best fit for SMBs in dental, nonprofit, and legal sectors...
A brand, design, and technology agency based in New York.
A brand, design, and technology agency based in New York.
Scalability Inc. offers penetration testing for APIs, web and mobile apps, cloud infrastructure, network testing, and red team engagements, aligned to OWASP, PTES, SOC 2, and HIPAA frameworks. The US cybersecurity agency is best for startups, SaaS companies, and regulated organizations...
Digis provides penetration testing, IT security audits, digital forensics, and industrial cybersecurity for ICS/SCADA systems, using SAST and DAST. The USA cybersecurity firm has completed 30+ projects. Best fit for fintech, healthcare, and eCommerce companies needing compliance-focused security...
What services do top cybersecurity companies in the USA provide?
They offer a comprehensive range of services to protect a business from digital threats and attacks. According to IBM’s latest report, businesses are increasing their investments in these top 5 services:
Threat intelligence and analysis (43%): Gathering data on cyberthreats, adversary behaviors, and emerging vulnerabilities to proactively defend systems
Data security and protection tools (37%): Implementing firewalls, encryption, and data loss prevention (DLP) solutions to ensure the confidentiality and integrity of a company’s data
Incident response and testing (35%): Developing and testing a strategy to monitor, identify, and manage threats to minimize business damage
Security awareness training (33%): Educating employees on the latest security best practices and the company’s security protocols
Offensive security testing (32%): Employing ethical hacking and penetration testing to simulate real attacks to uncover and address vulnerabilities
What is a typical project implementation timeline for this industry?
Typically, cybersecurity implementation can take a few months to over a year, depending on your current security stature, IT infrastructure, industry-specific regulations, and project scope and complexity.
Here's an approximate cybersecurity timeline:
Stage
Tasks
System audit and requirement analysis (1 month)
Identifying business needs and high-priority system issues
Developing a cybersecurity roadmap
System Design (1-3 months)
Crafting system architecture and an integration plan
Policy development (1-2 months)
Establishing security policies, procedures, and frameworks
System development (4-6 months)
Configuring cybersecurity solutions, such as firewalls and encryption tools
System Testing (3-4 months)
Conducting penetration, regression, and other quality tests to ensure system reliability and usability
Implementation (1-3 months)
Ensuring the cybersecurity system’s deployment readiness and transferring it to a live environment
Conducting employee and stakeholder training
How much do businesses allocate for cybersecurity?
Depending on service scope, business size, number of devices, IT infrastructure complexity, and compliance requirements, businesses allocate 5-20% of their IT budget to cybersecurity.
Here’s an approximate breakdown according to business size:
Small businesses (less than 100 employees) allocate 5-10% of their IT budget for cybersecurity, as they typically cover fewer systems and users.
Medium-sized companies (100-1,000 employees) invest 8-15% of their tech budget, as they may need more comprehensive endpoint and cloud security services.
Large enterprises (1,000+ employees) dedicate 10-20% of their technological budget, often requiring 24/7 security operations, full compliance and support audits, and more complex security solutions.
How often should businesses audit their cybersecurity?
Approximately 23% of security breaches stem from IT failure, and 26% are caused by human error — both of which are preventable with regular security audits.
Here’s how often you should conduct cybersecurity audits according to best practices:
Annual audits for comprehensive audits of your entire system, including your policies, frameworks, network, and recovery plan.
Biannually and quarterly to achieve regulatory compliance (e.g., PCI DSS and HIPAA), protect highly sensitive data, and manage complex infrastructures. A common practice is to conduct monthly vulnerability assessments and quarterly penetration testing.
Immediately after a reported incident or a change in your infrastructure (e.g., implementing a new enterprise resource planning system).
What US industries benefit from cybersecurity services?
While all industries benefit from working with top cybersecurity companies, research shows that certain sectors experience more threats than others. Here are the sectors with the most damaging breaches and the share of breaches exceeding $1 million: