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.
Zazz delivers 24/7 cybersecurity services, covering penetration testing, Zero Trust architecture, DevSecOps, IAM, and compliance across SOC 2, HIPAA, ISO 27001, PCI-DSS, and GDPR. The cybersecurity agency in the USA is the best fit for teams needing a full-spectrum MSSP with compliance readiness...
Accelerating Software Development - Building Offshore Software Development Centers
Accelerating Software Development - Building Offshore Software Development Centers
Saigon Technology provides threat detection, managed firewall, ransomware protection, and compliance support for HIPAA, SOC 2, PCI, GDPR, and CCPA. The cybersecurity agency in the US is ISO 27001-certified, and the best fit for small and mid-sized businesses seeking outsourced security operations...
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...
Mindrops delivers cloud security services covering threat detection, IAM, data encryption, and compliance alignment. The US cybersecurity firm serves clients across fintech, healthcare, and eCommerce. Best fit for SMBs needing cloud security alongside software and mobile app development...
VerifiedVerified by the DesignRush team for authenticity and credibility.
ELEKS, a trusted partner for guaranteed software engineering excellence, quality, and transparency.
ELEKS, a trusted partner for guaranteed software engineering excellence, quality, and transparency.
ELEKS delivers penetration testing, compliance audits, and security-by-design consulting, certified under HITRUST, ISO 27001, SOC 2, and CREST. The US cybersecurity firm serves healthcare, fintech, and insurance clients, including ESET. Best for enterprises needing compliance-driven security programs...
Software development company that delivers measurable results.
Software development company that delivers measurable results.
SparxIT delivers cybersecurity covering VAPT, red teaming, infrastructure monitoring, GRC, and data leakage prevention. The US cybersecurity company has served Suzuki and Walmart in the past 25 years. Best fit for mid-market and enterprise teams in manufacturing, healthcare, and BFSI...
Genetech Solutions offers cybersecurity covering application security, network security, data encryption, and compliance consultation for GDPR, CCPA, and HIPAA. Best fit for SMBs in fintech, healthcare, or logistics needing security alongside software development...
Rivell offers cybersecurity services, covering threat detection, endpoint protection, cloud security, and compliance with HIPAA, PCI-DSS, and GDPR. Government client retention sits at 99.9%. The cybersecurity agency in the US is the best fit for SMBs in healthcare, finance, and legal industries...
TruAdvantage delivers managed cybersecurity with 24/7 SOC, MDR, Zero Trust, SIEM, and phishing simulation to Bay Area SMBs. HIPAA-compliant and SOC2 in progress. Ranked #1 MSP in the Bay Area by MSP501. Best fit for SMBs in healthcare, life sciences, and nonprofits with 20-250 employees...
Computools delivers cybersecurity covering penetration testing, cloud security on AWS, Azure, and GCP, industrial ICS/SCADA protection, and GDPR, HIPAA, and PCI DSS compliance. As an ISO 9001 and ISO 27001 certified US cybersecurity agency, it serves clients like Generation Group and Visa...
CyberSecOp delivers cybersecurity consulting, vCISO advisory, managed SOC, incident response, including ransomware negotiation, and GRC services. The US cybersecurity firm is CMMC-AB RPO and ISO 27001 certified, and ranked #1 on Gartner Peer Insights for security consulting in 2024 and 2025...
Motomtech delivers enterprise-grade cybersecurity at mid-market pricing, covering 24/7 threat monitoring, zero-trust architecture, and SOC 2, HIPAA, and compliance support. Best suited for SMBs in healthcare, finance, and SaaS that want security built into their application...
Unified Infotech offers risk assessment, penetration testing, IAM, SIEM, endpoint protection, and compliance with GDPR and HIPAA. The cybersecurity firm in the US serves 300+ clients across fintech, healthcare, and eLearning. Best fit for SMBs and enterprises...
Managed I.T. Services & Cybersecurity Solutions Since 1994
Managed I.T. Services & Cybersecurity Solutions Since 1994
LME Services has protected businesses since 1994, offering 24/7 SOC monitoring, MDR, SIEM, and compliance support across legal, accounting, and financial services. Trusted by Spring Bank Wisconsin and HighRadius, the US cybersecurity agency delivers enterprise-grade cybersecurity to businesses...
Simublade provides vulnerability management, compliance assessment, endpoint detection, MFA, and disaster recovery planning on AWS and Azure. The US cybersecurity company serves fintech, healthcare, and SaaS clients. Best fit for startups and SMBs needing security alongside product development...
Capital Techies provides 24/7 breach response, covering incident containment, digital forensics, malware removal, and HIPAA-aligned compliance support. The cybersecurity agency in the USA serves nonprofits, healthcare, and government. Best fit for SMBs needing emergency cybersecurity response...
Innovating Success Through Technology & Blockchain.
Innovating Success Through Technology & Blockchain.
InvoZone applies AI-powered threat detection and human-led expertise across its cybersecurity services, including behavioral analytics, data encryption, and cloud security. With a team of 500+ developers, it has completed 300+ projects with a 97% success rate...
Turning Digital Ideas into Powerful & Lucrative Realities
Turning Digital Ideas into Powerful & Lucrative Realities
Wezom offers cybersecurity services, including risk assessment, penetration testing, EDR, vCISO, and GRC, aligned to ISO 27001 and NIST. The cybersecurity firm has 26 years of experience and 3,500+ projects. Best suited for mid-market companies in logistics, fintech, and healthcare, needing security...
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...
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...
VerifiedVerified by the DesignRush team for authenticity and credibility.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
VerifiedVerified by the DesignRush team for authenticity and credibility.
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...
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...
VerifiedVerified by the DesignRush team for authenticity and credibility.
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...
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...
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...
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...
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...
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...
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...
NextLink Labs serves as a steadfast ally in DevOps consulting, nurturing businesses across diverse industries towards sustainable development and expansion...
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...
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: