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
1,021 Companies-Rankings updated: September 04, 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.
Digital transformation I Custom Software development
Digital transformation I Custom Software development
Our team helps companies and non-technical entrepreneurs solve their tech challenges, from IT advisory, tech products development to digital transformation, workflow/workforce management tools...
Wipfli is a leading accounting and business consulting firm, ranking among the top 20 in the nation. With a century of experience and a forward-thinking approach, we help clients achieve lasting results. Our team of eternal students brings cross-industry expertise and creativity to solve complex challenges...
We're a Detroit-based accounting and consulting firm helping growth-driven entrepreneurial companies compete in the global marketplace. Specializing in manufacturing & distribution companies, industrial automation businesses, architect & engineering firms and businesses expanding to and from the U.S. Check...
Collaborating for Lasting Impact in Business Consulting
Collaborating for Lasting Impact in Business Consulting
Join us at Deloitte, where we believe that our collective influence is the cornerstone of our value. With a rich legacy spanning over 175 years and a global network encompassing 150 countries, we empower remarkable achievements, solve complex problems, and drive meaningful progress for clients, professionals...
Delap is a large Oregon public accounting firm committed to helping clients manage, grow, and protect their businesses and wealth through financial complexities...
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...
Techmedics® helps businesses get the most out of their technology investments by offering comprehensive IT support plans flexible enough for any sized business, in any industry...
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...
Blue & Co., LLC is an independent accounting and advisory firm with more than 450 people in 10 offices across Indiana, Ohio,and Kentucky. With more than 50 years of experience,...
Managed IT and cybersecurity provider delivering 80-second average response times, 6-minute average resolution times, 100% U.S.-based support, and 97.5% customer satisfaction to help businesses reduce downtime, improve productivity, and operate securely...
America One Tech is a Boston-based IT services company offering expertise in Computer Repair, IT Support, Network Integration, Managed IT Services, Remote Access & Network Security, IT Staffing and Computer Training. We've served businesses in Greater Boston and New England for over 20 years...
We Help Protect our Customer's Data, So They Can Focus on What They Do Best
We Help Protect our Customer's Data, So They Can Focus on What They Do Best
AG Grace is dedicated to developing our nation’s future by protecting our critical resources and infrastructure offering a full range of services that improve our client’s ability to provide security, management, and assurance. We provide efficient cost-effective services and solutions to our customers...
We deliver cybersecurity training and consulting for some of the world’s top brands and also partner with national systems integrators to augment their teams with our expertise...
When it comes to managing IT for your business, you need an expert. Let us show you what responsive, reliable, and accountable IT Support looks like in the world...
ParksideTech is a proactive IT services and support TEAM that specializes in working with businesses to provide and support technical solutions businesses use to operate...
For over 20 years, Microtech has been providing unparalleled service & support for our client's technology needs. We service Broward, Dade & Palm Beach...
We’re a team of passionate, proactive specialists who work tirelessly to meet your IT and voice needs. Technology, wave after ever-changing wave of IT – doesn’t have to be overwhelming. We promise...
Flat-Fee Managed Technology Services for Small Business
Flat-Fee Managed Technology Services for Small Business
Cortavo is the only all-inclusive, worry-free managed IT solution that has a flat per-user fee. We provide all the computer hardware, software, office connectivity, help desk support, cybersecurity and phone systems your business needs to be successful...
IT Accuracy is an IT Support and Managed Service Provider based in Los Angeles. We take the time to understand your business and provide you with the best IT solutions that are specific to your needs. We are proud to have established a reputation for providing unparalleled service. Our team stays on the...
Logically is an IT consulting and outsourcing firm with offices across the United States. We have locations in ME, MA, CT, OH, NY, NC, TN, MN, NV, and CA...
BDO is a trusted adviser to clients seeking project management, audit, tax, and business consulting services. As one of the worlds leading audit and accounting organisations, we have clients of all types and sizes from large corporate organisations to private businesses, entrepreneurs and individuals across...
Saicon Consultants, Inc. provides information technology professional services. The Company offers data warehousing, big data strategy, mobile development, and developing software services. Saicon Consultants serves customers worldwide...
For over three decades, TMG has been the center of excellence for proven, dependable, and affordable Information Technology, Cybersecyrity, and Data Privacy solutions delivered by experienced, internationally certified professionals...
The right technology can make the difference between your business surviving and thriving. Total Networks works with business leaders to ensure that you have the technology and managed IT support that enables your business success. Our goal is simple. Help you optimize your technology, reduce IT risks, and...
Offering AgTech, Business, and IT Services. Baker Tilly Canada Cooperative is a member of the global network of Baker Tilly International Limited, the members of which are separate and independent legal entities. Baker Tilly Canada refers to the association of member firms of Baker Tilly Canada Cooperative...
Preparing your business for tomorrow by understanding your business today.
Preparing your business for tomorrow by understanding your business today.
We empower small and medium-sized businesses to make the very most of the technology they have, helping them to drive greater productivity and efficiency, while reducing costs...
Intelecis is a renowned Managed Security Service Provider (MSSP) in the United States and the United Kingdom. We are dedicated to providing organizations with the most dependable, secure, and competent IT Security and Support service possible. When you deal with the most highly rated Cyber Security Company as...
A boutique cyber security consultancy firm that specializes in application security, cloud security, DevSecOps, threat modelling with focus on small businesses and startups. Also, provide multiple unique solutions like CyberRISK4Board and cyber risk management consulting...
Sirius serves small and medium sized businesses in the Phoenix, AZ area and across the US. We reduce downtime and ensure business continuity through our managed IT services. Our technology experts are available 24/7 to proactively monitor, manage and maintain IT systems. We at Sirius have a wide range of...
EB Solution has been in IT Support business for more than 11 years, working with companies of different sizes from different industries. We employ professionals who know everything about cybersecurity, business continuity and disaster recovery, VoIP technologies, networking, and IT management overall...
LeeShanok Network Solutions is your partner in Business IT! Our security-first approach means we keep you protected AND connected. Whether you have 50 employees or 500, LeeShanok can enable your business through technology. See how we partner with your IT Team to deliver the best Managed Services for Arizona...
NewEvol is business driven data lake with data analytics, automation & response system to cater to organizational need addressing business problem of IoT, IT, security and beyond...
Aunalytics brings together the best of human intelligence and leading digital technologies to transform business challenges into flexible, scalable solutions, measured by definable business outcomes...
Empowering Defense and Technology With Strategic, Innovative Solutions
Empowering Defense and Technology With Strategic, Innovative Solutions
INTECON (Integrity Consulting) provides proven Telecommunication, Information Technology, Maintenance & Operations, Engineering Services (T.I.M.E.), and Advisory & Assistance services to government and commercial customers...
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