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Cybersecurity Companies Directory

Find Top Cybersecurity Companies & MSSPs

Browse verified security providers across every category MSSPs running 24/7 SOC monitoring, MDR and incident response specialists, penetration testing firms, and GRC compliance consultants. Filter by state, industry and company size to find the right partner.

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SafeAeon - Cybersecurity Company

SafeAeon

Pleasanton, California, United States

SafeAeon Inc. is a California-based cybersecurity company that specializes in Cybersecurity-as-a-Service solutions. Headquartered in Pleasanton, CA, the company operates multiple global Security Operations Centers (SOCs) that provide 24/7 AI-powered and human-driven security monitoring and incident response services. SafeAeon serves a diverse range of clients, including businesses of all sizes, by delivering vendor-agnostic cybersecurity solutions tailored to their specific needs.

Company Size: 100 - 250 Employees

Industry: Computer & Network Security

Technologies: Salesforce, Cloudflare DNS, Amazon SES, Outlook, CloudFlare Hosting +3 more

SanApptX - Cybersecurity Company

SanApptX

Plano, Texas, United States

SanApptX is a cloud solutions provider in Dallas. Our storage provides low-cost high availability solutions designed for situations ranging from backups and long term storage, to high performance realtime applications. Using commodity hardware and revolutionary software, we are able to allow lower cost storage that offers scalability, reliability, and performance.

Founded Year: 2012

Company Size: 10 - 20 Employees

Industry: Information Technology & Services

Technologies: Outlook, Microsoft Office 365, Autotask, GoDaddy Hosting, Varnish +9 more

Sapphire - Cybersecurity Company

Sapphire

Darlington, England, United Kingdom

Sapphire is a UK-based cybersecurity company with over 25 years of experience in delivering custom security solutions. The company specializes in protecting organizations from cyber attacks by offering flexible and scalable cybersecurity services. Their approach combines expert knowledge with a wide range of security solutions to help clients effectively detect, protect, respond to, and remediate cyber threats.

Founded Year: 1996

Company Size: 250 - 500 Employees

Industry: Computer & Network Security

Technologies: Salesforce, Outlook, Microsoft Office 365, Amazon AWS, OneTrust +10 more

SecqureOne - Cybersecurity Company

SecqureOne

San Jose, California, United States

SecqureOne is a US-based company that specializes in cybersecurity and IT compliance solutions, boasting over 13 years of experience. The company serves a diverse range of industries, including banking, financial services, government, retail, and healthcare, with a global presence through offices and partnerships in the US, UK, Europe, Middle East, India, and Africa.

Founded Year: 2004

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: Cloudflare DNS, Outlook, Amazon AWS, Ruby On Rails, Google Font API +7 more

SecurIT360 - Cybersecurity Company

SecurIT360

Birmingham, Alabama, United States

SecurIT360 is an independent cybersecurity consulting firm based in Homewood, Alabama, founded in 2009. The company specializes in creating customized cybersecurity programs and systems to enhance security posture and ensure regulatory compliance for clients in various industries, including law, healthcare, finance, education, and real estate.

Founded Year: 2009

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: Postmark, Outlook, Microsoft Office 365, Google Cloud Hosting, Amazon AWS +8 more

Secure Compliance - Cybersecurity Company

Secure Compliance

Hillside, Illinois, United States

Here at Secure Compliance Solutions (SCS), we've got your back when it comes to cybersecurity. We're all about keeping your business safe with top-notch services, strong governance, and proactive risk management. In a digital world that's always changing, we're your peace of mind.

Founded Year: 2015

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Cloudflare DNS, Outlook, Microsoft Office 365, Mobile Friendly, reCAPTCHA +3 more

Secure Smart Office - Cybersecurity Company

Secure Smart Office

Ramona, California, United States

At Secure Smart Office (SSO), we believe technology should protect what matters most: trust, reputation, and the dreams that business owners work so hard to build.

Founded Year: 2017

Company Size: 10 - 20 Employees

Industry: Information Technology & Services

Technologies: Outlook, Microsoft Office 365, GoToWebinar, Typekit, Mobile Friendly +8 more

Secure Traces - Cybersecurity Company

Secure Traces

Alpharetta, Georgia, United States

Secure Traces is a cybersecurity company based in Alpharetta, Georgia, founded in 2019. It focuses on providing managed security services and cybersecurity solutions to small and mid-level businesses in critical infrastructure sectors such as healthcare, banking, and pharmaceuticals. The company was established by Natraj Subramaniam, who has over 34 years of experience in IT and cybersecurity.

Founded Year: 2019

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: Outlook, Google Cloud Hosting, Adobe Media Optimizer, Cedexis Radar, Wix +3 more

Secure-Centric - Cybersecurity Company

Secure-Centric

Los Angeles, California, United States

Secure-Centric is a cybersecurity company based in Los Angeles, California, specializing in helping organizations achieve compliance with the Cybersecurity Maturity Model Certification (CMMC). Founded by industry experts Jake Celler and Shawn Phan, the company operates with a team of 10 to 20 employees. Secure-Centric is recognized for its innovative strategies that assist clients in navigating cybersecurity standards and enhancing their overall security posture.

Founded Year: 2020

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Salesforce, Gmail, Google Apps, Microsoft Office 365, Autotask +10 more

SecureNation - Cybersecurity Company

SecureNation

Baton Rouge, Louisiana, United States

SecureNation is a cybersecurity company based in Baton Rouge, Louisiana, founded in 2008. Led by CEO Jon Davis, who has over 20 years of experience in the field, the company focuses on helping clients enhance their technological frameworks and improve their information security programs.

Founded Year: 2008

Company Size: 10 - 20 Employees

Industry: Computer & Network Security

Technologies: Mimecast, GoDaddy Hosting, Mobile Friendly, VisiStat, Shutterstock +5 more

Securely Managed - Cybersecurity Company

Securely Managed

Bloomfield Hills, Michigan, United States

Securely Managed's mission is to safeguard the information of our clients 24/7. Our SOCaaS (SOC as a Service) allows us to provide: constant SIEM monitorization, threat hunting with our multi-layer AI powered endpoint protection, continuous vulnerability management (scanning, analysis, treatment consultation), multi-factor authentication, and patch management. Securely Managed offers innovative information security expertise specializing in strengthening organizations against current/potential threats and vulnerabilities with our advanced, experienced, and cost-effective solutions in practice.

Founded Year: 2017

Company Size: 10 - 20 Employees

Industry: Information Technology & Services

Technologies: Gmail, Outlook, Google Apps, Microsoft Office 365, Apache +6 more

Security Magazine - Cybersecurity Company

Security Magazine

Birmingham, Michigan, United States

Security Magazine is a prominent business media brand that provides valuable information and insights for enterprise-level security leaders across various sectors, including business, government, and institutions. Published by BNP Media, it focuses on management-oriented content that addresses key security management issues, targeting senior professionals like Chief Security Officers and other risk and security leaders.

Founded Year: 1964

Company Size: 50 - 100 Employees

Industry: Information Technology & Services

Technologies: Cloudflare DNS, Outlook, Microsoft Office 365, CloudFlare Hosting, The Trade Desk +23 more

Security Validation - Cybersecurity Company

Security Validation

Oradell, New Jersey, United States

Security Validation is your trusted advisor.

Founded Year: 2011

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: Cloudflare DNS, Outlook, Autotask, CloudFlare Hosting, GoDaddy Hosting +2 more

Secutor Cybersecurity - Cybersecurity Company

Secutor Cybersecurity

Fort Worth, Texas, United States

Secutor Cybersecurity is a U.S.-based IT services and consulting company that specializes in cybersecurity solutions for small to medium-sized businesses (SMBs). With a team of over 100 information security and IT professionals, Secutor focuses on providing affordable and expert cybersecurity services, emphasizing transparency and client success.

Founded Year: 2013

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Cloudflare DNS, Outlook, CloudFlare Hosting, Zoho Books, Hubspot +12 more

Sedara - Cybersecurity Company

Sedara

Buffalo, New York, United States

Sedara is an enterprise cybersecurity company based in Buffalo, New York, founded in 2013. The company specializes in providing customized cybersecurity solutions for organizations of all sizes. Sedara emphasizes a flexible approach to cybersecurity engineering, combining experienced professionals with advanced technology to enhance clients' security posture.

Founded Year: 2013

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: Cloudflare DNS, Amazon SES, Gmail, Google Apps, Microsoft Office 365 +12 more

Sentinel Blue - Cybersecurity Company

Sentinel Blue

Warrenton, Virginia, United States

Sentinel Blue is a managed security service provider (MSSP) located in Warrenton, Virginia. The company specializes in cybersecurity and compliance solutions for government contractors, small and medium-sized businesses (SMBs), and the broader government contracting community in the United States. They focus on developing and maintaining secure cybersecurity policies that meet regulatory compliance requirements and support long-term business success.

Founded Year: 2020

Company Size: 20 - 50 Employees

Industry: Information Technology & Services

Technologies: Cloudflare DNS, Postmark, Atlassian Cloud, React Redux, Render

Serket-Tech Security - Cybersecurity Company

Serket-Tech Security

Atlanta, Georgia, United States

Serket-Tech Security is a cybersecurity consulting firm focused on protecting businesses from digital threats. Founded by Dante Jackson, the company embodies the spirit of the Egyptian goddess Serket, symbolizing healing and protection. With decades of expertise, Serket-Tech aims to empower organizations by building resilient security programs tailored to their specific needs.

Founded Year: 2024

Company Size: 10 - 20 Employees

Industry: Information Technology & Services

Technologies: Outlook, Microsoft Office 365, Amazon AWS, Google Tag Manager, YouTube +3 more

Shearwater Group PLC - Cybersecurity Company

Shearwater Group PLC

London, England, United Kingdom

Shearwater Group plc are an award-winning organisational resilience group that provides cyber security and managed security services to help assure and secure businesses in a connected global economy.

Founded Year: 2017

Company Size: 50 - 100 Employees

Industry: Information Technology & Services

Technologies: Outlook, Microsoft Office 365, CloudFlare Hosting, Campaign Monitor, Gravity Forms +7 more

Siaraa - Cybersecurity Company

Siaraa

Princeton, New Jersey, United States

Siaraa Technologies specializes in Identity and Access Management (IAM) and cloud security solutions, primarily serving clients in the United States, Canada, and India. The company focuses on helping organizations tackle IAM challenges and enhance their security through informed decision-making. Siaraa provides comprehensive services, including Customer and Workforce Access Management, Identity Governance and Administration, and Privileged Access Management.

Founded Year: 2024

Company Size: 20 - 50 Employees

Industry: Computer & Network Security

Technologies: Outlook, Gravity Forms, WordPress.org, Mobile Friendly, Hubspot +1 more

SideChannel - Cybersecurity Company

SideChannel

Worcester, Massachusetts, United States

SideChannel is a cybersecurity company founded in 2019, focused on providing comprehensive cybersecurity services and technology to emerging, mid-market, and enterprise businesses. The company aims to make cybersecurity easy, accessible, and cost-effective for these underserved segments.

Founded Year: 2017

Company Size: 10 - 20 Employees

Industry: Information Technology & Services

Technologies: Amazon SES, Outlook, Quickbooks Online, Google Cloud Hosting, WP Engine +24 more

What We Cover

Types of Cybersecurity Companies in Our Directory

Whether you need a cybersecurity company near me, a national MSSP, or a specialized compliance firm our directory covers every segment. Browse our cybersecurity MSP database with 30,000+ MSSPs, MDR providers & SOC companies or explore our dedicated MSSP list for managed security service providers. To see the best-known vendors first, read our list of the top 100 cybersecurity companies. You can also browse managed IT service providers who bundle security with IT, or filter by industry and company size to find the exact fit.

Managed Security Service Providers (MSSP)

MSSPs deliver 24/7 SOC monitoring, SIEM management, threat detection, and incident response on a subscription basis. Ideal for SMBs and enterprises that need continuous security without building an in-house team.

Browse MSSPs →

Penetration Testing Companies

Pentest firms simulate real-world cyberattacks network, web app, social engineering, and red team ops to identify vulnerabilities before attackers do. Many serve healthcare, finance, and government sectors.

Find Pentest Firms →

Endpoint Detection & Response (EDR)

EDR vendors protect laptops, servers, and mobile devices from malware, ransomware, and zero-day threats. Key players include firms specializing in AI-driven threat hunting and behavioral analytics.

Browse EDR Companies →

Cloud Security Companies

Cloud security specialists secure AWS, Azure, and GCP environments through CSPM, CASB, and zero-trust architecture. Critical for businesses migrating workloads or running hybrid infrastructure.

Browse Cloud Security →

Incident Response & Forensics Firms

IR firms respond to active breaches, contain damage, perform root cause analysis, and conduct digital forensics. They help organizations recover faster and harden defenses post-incident.

Find IR Firms →

GRC & Compliance Consultants

Compliance firms help businesses meet HIPAA, PCI-DSS, SOC 2, ISO 27001, NIST, and CMMC requirements. They conduct gap assessments, audits, policy development, and ongoing compliance management.

Browse Compliance Firms →

Find Cybersecurity Companies by Business Size

Security needs vary by company size. Use our employee size filter to find the right-fit vendor from boutique firms serving small businesses to enterprise-grade MSSPs with 500+ staff.

Find Cybersecurity Companies Near Me

Looking for a local cybersecurity company near you? Our directory covers verified firms across all 50 US states. Filter by state to find cybersecurity companies in your city or region.

Cybersecurity Contact Database

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Frequently Asked Questions

What are the top cybersecurity companies in 2026?

Cybersecurity providers fall into distinct categories, and the right one depends on what you need. MSSPs run 24/7 SOC monitoring and managed detection and response on an ongoing contract. Penetration testing firms deliver point-in-time assessments. Incident response specialists handle active breaches. GRC consultancies manage compliance frameworks like SOC 2, HIPAA and PCI DSS. Use the filters above to browse verified providers in each category by state, industry and company size.

How do I find cybersecurity companies near me?

Use our directory to find cybersecurity companies near you by filtering your state or city. We cover verified cybersecurity firms across all 50 US states from local boutique MSSPs to regional SOC providers. Simply select your state from the filter above to see companies in your area with full contact details.

Which are the best cybersecurity companies in the USA?

There is no single best provider it depends on your industry, compliance obligations, company size and whether you need ongoing monitoring or a one-time assessment. A 40-person healthcare practice with HIPAA requirements needs something different from a 2,000-person manufacturer with OT networks. Start by identifying the discipline you need, then filter this directory by state and company size to build a shortlist of three to compare.

What is the difference between an MSSP and a cybersecurity company?

An MSSP (Managed Security Service Provider) is a type of cybersecurity company that provides ongoing, managed security monitoring on a subscription basis 24/7 SOC, SIEM, and threat response. Broader cybersecurity companies may sell products, conduct one-time penetration tests, or provide consulting without ongoing management.

What services do cybersecurity companies typically offer?

Common services include: 24/7 SOC monitoring, penetration testing & vulnerability assessments, SIEM & threat intelligence, endpoint detection & response (EDR), identity & access management (IAM), cloud security (AWS/Azure/GCP), compliance support (HIPAA, PCI-DSS, SOC 2, CMMC), and incident response & forensics.

How do I choose the right cybersecurity company for my business?

Evaluate vendors based on specialization (network vs. cloud vs. compliance), certifications (CISSP, ISO 27001, SOC 2), industry experience (healthcare, finance, government), SLA response times, and company size. Use our directory filters to narrow by state, employee size, and industry to shortlist the best cybersecurity companies for your specific needs.

What certifications should a cybersecurity company have?

Key certifications include CISSP, CISM, CEH, CompTIA Security+, ISO/IEC 27001, SOC 2 Type II, PCI-DSS QSA, and FedRAMP authorization. Vendor-specific certs from CrowdStrike, Palo Alto Networks, Fortinet, and Microsoft are strong indicators of technical expertise.

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