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.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
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...
Top Services:
- IT Services
- Software Development
- Mobile App Development
- Web Design
- eCommerce Development
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 27 Projects Listed
Intetics delivers cybersecurity services covering malware protection, ransomware prevention, DDoS mitigation, and phishing defense, with security gap analysis embedded across the software development lifecycle. The agency is best for companies needing security integrated alongside custom software development...
Top Services:
- Software Development
- Mobile App Development
- IoT
- Software Testing
- AI Development
- Show more
- Location
- Naples, Florida
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 51 Projects Listed
AI-first custom software, AI and IT services firm in McLean, VA and North Bethesda, MD, serving enterprise and government. SBA-certified EDWOSB and WOSB, CAGE 9RX92. A senior Sthenos team is accountable on every engagement, and we build a free clickable prototype before you commit...
Top Services:
- Software Development
- AI Development
- Staff Augmentation
- Mobile App Development
- Cloud Consulting
- Show more
- Location
- McLean, Virginia
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 23 Projects Listed
For growth-stage software companies operating in regulated environments, where enterprise deals, audits, and regulations block growth, Corpsoft Solutions is a compliance-native software development partner that designs and builds audit-ready systems from day one...
Top Services:
- Software Development
- IT Compliance Solution
- AI Development
- Cybersecurity
- Cloud Consulting
- Show more
- Location
- Wilmington, Delaware
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 9 Projects Listed
Xenoss is an NYC-based MarTech/AdTech software development company...
Top Services:
- Software Development
- AI Development
- Cybersecurity
- IT Services
- Show more
- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 3 Projects Listed
Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology...
Top Services:
- AI Development
- Software Development
- Web Development
- Mobile App Development
- Blockchain
- Show more
- Location
- Santa Clara, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
Cybersecurity Companies by City
Cybersecurity Companies by State
Cybersecurity Specializations in the US
Popular Services
Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
Cybersecurity Companies FAQs
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 |
|
System Design |
|
| Policy development (1-2 months) |
|
| System development (4-6 months) |
|
| System Testing (3-4 months) |
|
| Implementation (1-3 months) |
|
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:
- Healthcare: 47%
- Tech, Media, and Telecom: 43%
- Financial: 38%
- Energy, Utilities, and Resources: 37%
- Industrial and Auto: 33%
- Retail and Customer: 28%








