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.
For over 30 years, Quest has been a beacon in Government IT services. From cybersecurity to cloud management, we tailor our offerings to your unique needs, ensuring agility, productivity, and scalability in an evolving market...
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...
Connecting Global Audiences Through Media App Development Proficiency
Connecting Global Audiences Through Media App Development Proficiency
Founded in 2004, Maganti IT Resources LLC is a certified IT powerhouse based in Naugatuck, CT, with global outreach via offshore locations. As a leader in media app development, we offer innovative solutions to businesses, helping them navigate today's ever-evolving market with technology-driven agility and...
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...
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...
Keller Schroeder is an employee-owned, information technology consulting services firm, and a value-added reseller and systems integrator of hardware and software products...
Cybalt is one of the top cybersecurity consulting companies in the USA. We provide best-in-class and end-to-end security solutions and services at the speed of innovation to help our clients across 30+ countries achieve their business goals. Visit our website and get free security assessment today, where our...
PEI is a technology consultancy and service provider serving a dedicated client base across the United States. In business for over 20 years, we focus on several areas of technology: Networking, Infrastructure, IP Communications, and Managed Services...
We are one of the fastest-growing CRM solutions providers in North America. As a trusted partner of Salesforce, Certinia, and HubSpot, we transform businesses by providing innovative solutions to our clients globally...
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...
Contributing to the Safety & Security of Our Nation
Contributing to the Safety & Security of Our Nation
Welcome to MartinFederal! For over a decade, MartinFederal has provided the U.S. government with customer-focused, performance-based solutions, using technology and an empowered workforce as an engine to drive its customers' missions...
Mike & Karen Collins. In the beginning, the entire company was just two people selling IT hardware. In the years since, weve grown to over 85 employees with offices in Chattanooga, Nashville and Knoxville...
Fusion Technology, a certified HUBZone Small Business, was founded in 2007 to provide comprehensive information technology services and solutions to mission-critical US Government programs, the Intel Community, and security-hardened facilities...
Advantage Technology offers comprehensive IT services, specializing in network cable solutions. With a rich history spanning 20 years, our company has been delivering reliable IT services and innovative solutions...
Tanner is your trusted partner to help grow your business.
Tanner is your trusted partner to help grow your business.
Tanner's strategic accounting and advisory services help companies realize their full value. The agency provide the right answers, right here in Utah...
WSRP is an independent member of the BDO Alliance, which is a nationwide association of independently owned accounting, consulting and service firms whose members have similar client service goals...
MILL5 is a global AI and technology consulting company offering Software Consulting, Performance Engineering, and Managed Service offerings to businesses across various industries...
Take care of your business. We'll take care of your I.T.
Take care of your business. We'll take care of your I.T.
Back To Business I.T. is led by the most experienced and certified team of experts in the Miami Valley. Whether you have straightforward technology requirements or complex technical needs, we offer a full suite of managed services and IT solutions designed to solve your technology challenges. At the end of...
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!...
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...
Xobee Networks is the #1 Managed Service Provider of innovative, cost-effective, and cutting-edge technology solutions in California. Through our wide range of services, we've helped businesses, non-profits, government entities and other organizations throughout California for over 26 years. Were the tech...
InDevLab is a business that offers services in the complex and separately on mobile application development, high-load systems, IT infrastructure, and R&D...
Virtru equips you to protect your data anywhere and everywhere it's shared.
Virtru equips you to protect your data anywhere and everywhere it's shared.
Data must be respected. That's why the Virtru platform gives people and organizations the freedom to securely share sensitive data without compromising privacy, ownership, or HIPAA. Enjoy the power of secure data sharing with Virtru...
Premium US and Europe located team delivering tech solutions
Premium US and Europe located team delivering tech solutions
Corpsoft.io is a seasoned team of Solution Architects, Web and Mobile Developers with over 10 years of experience. We have multiple Laravel (PHP and Custom PHP), JavaScript (React.js, Vue.js), and Flutter, Android and iOS development teams...
Greystone Technology has revolutionized the approach to technology services, completely reimagining how they are delivered. Our methodology is both common sense and groundbreaking. Instead of beginning with preconceived solutions, we prioritize asking questions and lots of them...
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...
Layer 3 Communications is a distinguished engineering firm that excels in delivering comprehensive network services and cutting-edge products. Our expertise lies in handling intricate network requirements...
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...
As a Managed Outsourced Information Technology company, we are not just focused on technology, but also on building meaningful relationships with our clients and fostering a strong team...
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...
CTSI is your trusted IT Solutions Provider specializing in cybersecurity. We are dedicated to improving your life and business success by leveraging technology to keep your business secure, efficient, and driving it forward. With a caring and experienced team, we provide comprehensive IT solutions, strategic...
Oceanit is a trailblazing 'Mind to Market' company, propelling scientific breakthroughs into practical applications. With a commitment to disruptive innovation, our multidisciplinary teams deliver cutting-edge solutions across industries, harnessing unique pathways to market and transforming the way we live...
Office1 is your gateway to a modernized business landscape. We provide proactive, personalized, and eco-friendly office technology solutions. Our comprehensive managed IT services, cloud integration and cutting-edge imaging services ensure a seamless digital transformation...
With a rich history of over 35 years, Network Center, Inc. (NCI) has established itself as a leading provider of IT services in the Upper-Midwest region...
Leading Provider Of Cybersecurity And IT Expertise
Leading Provider Of Cybersecurity And IT Expertise
Decisive Point Consulting Group is a Service Disabled Veteran Owned Small Business (SDVOSB) committed to providing technically advanced, cost-effective solutions to the US Government, our industry partners, and commercial clients globally...
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...
Excellence Unleashed: Offshore Development at its Finest
Excellence Unleashed: Offshore Development at its Finest
Leo Technosoft (LTS), the top offshore development firm, offers affordable, scalable, and flexible IT services. With over 14 years of industry expertise, LTS excels in Product Development, Mobility, Solution Engineering, IoT, and Business Intelligence services. Through the LTS Accelerator model, we support...
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: