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
1,014 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.
Helping companies transform for success in the digital future
Helping companies transform for success in the digital future
The effects of digital transformation go beyond business and into the consulting industry itself. The old leaders in consulting cannot adapt to the speed of change in a digitally disrupted world. A new model of consultancy has emerged: outcome-focused, collaborative, and built for continuous, iterative...
Since its founding in 1990, MBI Companies Inc. (MBI) has been committed to being the top architectural, engineering, and interiors firm in the markets we serve. We do this by hiring the most talented and highest integrity people, by being the leader in technological innovations and expertise, by being...
IT Infrastructure & Cybersecurity Solutions Provider.
IT Infrastructure & Cybersecurity Solutions Provider.
At vCloud Tech, we revolutionize how businesses adopt and innovate with cloud technology. Born in the cloud-first, mobile-first era, we specialize in modernizing applications, digitizing data, and securing modern datacenters. Our top talent and expertise fuel global innovation, creating strong partnerships...
We help organizations to protect their data from unauthorized access against unwanted security threats. Our data security solutions aim to eliminate data privacy risks to make business processes secure and run smoothly. Sattrix Information Security is a data security service provider to startups and leading...
SharkStriker is a cybersecurity agency empowering organizations with comprehensive protection and proactive defense strategies. Leveraging human expertise alongside machine intelligence, SharkStriker enhances existing security investments to deliver robust, integrated solutions. Its compliance and security...
Meet the UnderDefense MAXI MDR + SOAR security-as-a-service platform backed by our 24/7 concierge team for your ultimate business protection at every step of the way...
SBS Cyber Security is a dedicated partner that provides tailored cybersecurity solutions, empowering organizations to navigate today’s complex cyber threat landscape. By offering custom approaches to protect and elevate security strategies, SBS ensures businesses can make informed decisions and stay ahead...
Founded in 2000 by four experienced leaders in technical support of the U.S. military, today SimVentions is headquartered just south of Washington D.C. in Fredericksburg, VA...
Ardent Technologies Inc is a Dayton, Ohiobased small business that has delivered IT support, cybersecurity, acquisition, financial and administrative services to federal, state and commercial clients since 2000. It blends strategic insight, advanced technology and responsive service to meet complex mission...
ITsGuru is the perfect partner for small to medium-sized businesses looking for efficient and reliable Managed IT services. Our team excels in providing responsive customer service with a commitment to understanding your unique business needs above all else!...
Founded in 2017, VegaNext is a comprehensive technology solutions provider dedicated to delivering reliable and professional IT services across the US. Our unwavering commitment ensures that business owners receive top-notch support tailored to their unique needs. With a team of highly skilled IT...
With 20+ years of experience, Atvantiq has been a trusted leader in delivering innovative solutions across mobile and web application development, UI/UX Design, full-stack systems, Telecom, AI/ML, Gen AI, blockchain and crypto platforms, as well as DevOps and security-focused architectures...
Empower Your Growth With Nearshore Tech Excellence
Empower Your Growth With Nearshore Tech Excellence
Your trusted partner for Staff Augmentation and a full tech ecosystem.We connect you with top-tier nearshore engineers and build scalable, secure, and innovate tech solutions powered by AI, Data, Cloud, Cybersecurity, and Software Development. Helping your business grow faster and smarter...
Valeo Networks is an award-winning, 360-degree Managed Security Service Provider serving state, country and municipal markets, SMBs and non-profit organizations. Hailed as one of top 5% of revenue-generating MSSPs nationwide, we are considered one of the biggest MSSPs nationally. Our team provides solutions...
PoloSoft Technologies is an innovative service provider for enterprise software, CRM, ERP, mobile applications, IoT, Digital Transformation, Cloud technologies, Web Services, e-Commerce, GIS, LiDAR & CAD. Our IT solutions make some glorious promises to our clients that give business empowerment, greater...
Lancera is your go-to partner for software development, web and mobile application development, and cybersecurity solutions. With a customer-centric approach, we serve businesses of all sizes, including top global companies...
StealthLabs builds tailored data governance frameworks to ensure data integrity, security and consistency across the enterprise. The firm combines governance policy, metadata management, and compliance-ready processes to transform data into reliable, actionable assets...
Microsoft Partner of the Year | Implementation Services for Dynamics 365, Copilot, Azure
Microsoft Partner of the Year | Implementation Services for Dynamics 365, Copilot, Azure
JourneyTeam has more than 30 years of experience helping organizations modernize how they work through Dynamics 365, Microsoft 365, Power Platform, Azure, AI/Copilot, and Microsofts security technologies. With all Microsoft Solution Partner designations, multiple Advanced Specializations, and five Microsoft...
Sparity is a leading software development company, coding the future of innovation. Our mastery includes digital transformation solutions, data engineering, cloud services, DevOps, and cybersecurity, executed with exceptional expertise...
Where Vision Meets Execution and Innovation Has Purpose. We believe technology should do more than just function it should fuel transformation, unlock hidden potential, and create a meaningful impact. With over a decade of experience, we specialize in delivering custom-built, high-performance solutions across...
Corsica Technologies is constantly regarded as one of the best managed IT and cybersecurity providers. Additionally, Corsica Technologies assists businesses in using technology as a means of gaining a competitive edge in their company operations. Your IT strategy will be more cohesive as a result of our...
MILL5 is a global AI and technology consulting company offering Software Consulting, Performance Engineering, and Managed Service offerings to businesses across various industries...
Clearwater excels in delivering comprehensive cybersecurity and compliance solutions tailored specifically for the healthcare sector. With over two decades of experience, the agency unites advanced security measures with strategic compliance initiatives to enhance organizational resilience. Its expert team...
Designed To Simplify, Secure, And Scale Your Business
Designed To Simplify, Secure, And Scale Your Business
The 20 MSP delivers Managed IT Services that help businesses operate smarter, safer, and more efficiently across single and multi-location environments. We act as a true extension of your organization, providing proactive IT support, cybersecurity, cloud and Microsoft and Apple management, and strategic IT...
High Point Networks is a trusted value-added reseller (VAR) of information technology, catering to both the SMB and Enterprise level markets across the upper Midwest...
Since 1985, Richey May has been a leading provider of assurance, tax, business advisory and other accounting services to clients across the United States. With expertise in the financial services industry, we specialize in serving the mortgage, commercial real estate and alternative investment sectors. Our...
4SquareSolutions is a software development partner committed to transforming innovative ideas into robust business solutions. With expertise in custom development and cybersecurity, cloud consulting, and mobile app design, the agency leverages cutting-edge technologies to propel digital products to success...
EFutures is a award winning software product engineering company. We have delivered bespoke software solutions to clients globally for the past 25 years. More recently we have added AI driven innovations to our service offerings empowering business to propel forward...
Vertek Corporation, founded in 1988, is a leading provider of operations consulting, end-to-end business process outsourcing, business intelligence and software applications that are used in various combinations to solve client problems and deliver the highest ROI and fastest time-to-value...
FIT Technologies is a full-service Managed IT and Cybersecurity Provider that develops long-term technology partnerships with our clients to increase efficiency, productivity, and security. We provide services to tens of thousands of users throughout Ohio and across the country...
Cyber Espial is a cybersecurity agency renowned for its advanced digital security solutions and strategic defense services worldwide. Specializing in penetration testing and proactive threat mitigation, the agency safeguards digital assets across diverse industries with meticulous expertise. By leveraging...
Unissant provides advanced data analytics that empower our clients to meet their business goals. With deep expertise in finance, health IT, national security, and energy, Unissant provides state-of-the-art enterprise computing solutions to both commercial and government clients...
Johnson Lambert was formed in 1986 in the Washington, DC area by Larry Johnson and Debbie Lambert, Partners Emeriti. Prior to the formation of Johnson Lambert, Larry and Debbie were both affiliated with Ernst & Whinney (now EY), where they were active leaders in the firm’s insurance practice...
Our clients seldom refer to us as their accountant because they’ve come to expect so much more from us. Everything we do for our clients is focused on the growth and sustainability of your organization...
Catalyst Business Solutions is a global technology consultancy headquartered in Silicon Valley. The firm delivers services in enterprise applications (Oracle, NetSuite, ERP/HCM/EPM/CRM), cybersecurity, cloud adoption, and industry-specific platforms such as social security, pension and electronic cargo...
Delap is a large Oregon public accounting firm committed to helping clients manage, grow, and protect their businesses and wealth through financial complexities...
Keller Schroeder is an employee-owned, information technology consulting services firm, and a value-added reseller and systems integrator of hardware and software products...
CIO Solutions is a managed services provider supporting the information technology solutions of small to mid-sized businesses throughout the Central Coast and Central Valley of California. Full offices located in Fresno, Santa Barbara, and San Luis Obispo serve local businesses. Expert technicians and...
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:
Proposals