Last year, nearly a third of all cyber incidents were due to direct hacking attempts. Besides, about 29% of breaches came from internal misuse, and malware attacks accounted for around 15% of the threats detected. Your business could be targeted from multiple angles.
The web security industry is evolving, too. It has come a long way beyond just using firewalls and antivirus programs. Today’s web security service providers offer smarter solutions, like real-time threat detection, immediate response tools, and proactive defenses. We’ve identified top web security companies that actively detect threats and stop them before any damage happens.
Best Web Security Companies
Protagonist is one of the top web application security testing companies in Ukraine. They deeply understand how software is actually built and know where security gaps often hide and how to fix them without interrupting your development flow.
Protagonist offers a full range of security services, including cloud security, software security, testing and assessments, and ongoing security management and compliance. They can handle your ongoing security needs without requiring you to build an internal team. This approach will help you get the most out of your security investments.
- Location: Kyiv, Ukraine
- Founded: 2019
- Team: Up to 49 experts
- Clients: Healthfully Inc., Yalantis, ViewTrade Technology, and others
Vumetric is one of the top web security companies that focuses on penetration testing and thorough security evaluations. The name combines “Vulnerability” and “Metric,” which reflects their mission to quickly determine potential weaknesses and accurately assess the risks they pose to your business.
Operating under ISO 9001-certified processes, Vumetric guarantees consistent quality on every project. Their reputation is built on trust with clients ranging from Fortune 1000 companies to small businesses and government agencies. Everything is handled in-house, which ensures direct access to experts who understand your unique challenges and provide customized solutions.
- Location: Toronto, Canada
- Founded: 2007
- Team: Up to 49 experts
- Clients: Chapman’s Ice Cream, Water Solutions Company, SolusGuard, and others
TechMagic is one of the best web application security vendor in Poland. They’re a great choice for businesses that want to build software from the ground up and prefer to have everything managed in one place, including security services like SOC2 consulting, social engineering testing, DevSecOps, and more.
While the company has a strong focus on healthcare digital innovations, their expertise spans many industries, including FinTech and Hospitality. Over the past 11 years, TechMagic has worked with more than 200 satisfied clients and boasts a 92% net promoter score.
- Location: New York, US; London, UK; Krakow, Poland; Lviv, Ukraine
- Founded: 2014
- Team: 350+ certified experts
- Clients: Huckleberry Labs, CARL Finance GmbH, SocioLocal, and others
NextLink Labs is one of the top application security companies that helps companies achieve mature, sustainable growth through technology solutions. They specialize in building strong, flexible cloud-based systems that follow the best practices in the industry.
The company combines consulting expertise and DevOps methodologies to make sure each digital transformation is a success. Particularly, their team brings expertise across areas, like cybersecurity pogram development and maturity, incident response planning and readiness, cybersecurity risk management, and more.
- Location: Pittsburgh, US
- Founded: 2018
- Team: Up to 49 experts
- Clients: Molyneaux Home, KEF Robotics, Alius Health, and others
Sekurno was named the top global leader in cybersecurity by Clutch in 2025, and for a reason. The company rejects the “tick the box” approach to security that creates false confidence.
They aim to genuinely understand your specific risks and design solutions that protect your business core while enabling growth. And this approach goes far beyond standard compliance requirements. Sekurno protects organizations from seven critical risks, like financial losses, intellectual property theft, remediation costs, data breaches, and more.
- Location: Amsterdam, Netherlands
- Founded: 2019
- Team: Up to 49 experts
- Clients: Kaunt A/S, Coreway, Usersnap, and others
CyberDuo is the best web application security company that brings together expert IT and cybersecurity professionals to help keep businesses protected. Their cybersecurity services include managed detection and response, vulnerability management, and cloud security, while their managed cloud services cover managed Azure, managed Microsoft 365, and cloud apps management.
Their team holds advanced certifications in cybersecurity and Microsoft technologies, ensuring they can provide expert advice and support across all their services. On top of that, CyberDuo also runs a Cybersecurity Series where they talk about important cyber topics and help raise awareness about new threats.
- Location: Los Angeles, San Francisco, San Diego, New York, US
- Founded: 2008
- Team: Up to 999 experts
- Clients: Mirdon Production, Episource, St. Francis Medical Center, and others
Packetlabs is one of the top web application security testing companies in North America. They specialize in penetration testing, proudly accredited by CREST and SOC 2 Type II. All of Packetlabs’ data stays within North America, and their entire team is comprised of OSCP-certified professionals.
Plus, they handle everything in-house—no outsourcing involved. Clients tend to give them high praise, with an average net promoter score of 9.5 out of 10 after each project. Their services cover a wide range: infrastructure and application penetration testing, ICS/OT cyber security assessment, ransomware pen testing, DevSecOps, objective-based pen testing, cyber maturity reviews, and cloud security assessments.
- Location: Toronto, Canada; San Francisco, US
- Founded: 2011
- Team: Up to 249 experts
- Clients: HubSpot, SickKids, IC/ES, and others
TechMD is the best web application security company dedicated to bringing big-business technology to small and medium-sized companies. They work with smaller organizations to give them access to the same advanced tools for productivity, growth, and security that big corporations rely on. TechMD has built a strong reputation for making powerful technology easy to use and affordable.
The company has been around for 38 years and boasts a customer satisfaction rate of over 98%. Currently, they manage nearly 50,000 systems for their clients. TechMD mainly offers four core services: managed IT services, managed cybersecurity, modern office solutions, and IT consulting.
- Location: Endicott, US
- Founded: 1989
- Team: Up to 999 experts
- Clients: GoGlass, Sterling Plumbing Inc., August Law Group, and others
Software Mind is one of the best web security companies that has been combining the latest technology with a people-first approach for over 20 years. They’re a cloud consulting and development company that helps businesses of all sizes across different industries.
Thanks to steady growth, outside investment, and smart acquisitions, they now operate not just in Europe but also in the US and Latin America. With over 25 years of experience in software development, Software Mind prides itself on building long-lasting relationships, often working with clients for more than four years. They’ve completed more than 2,000 projects in over 35 countries, and more than 350 clients trust them to handle their software needs.
- Location: Krakow, Poland
- Founded: 1999
- Team: 1600+ talented experts
- Clients: Retail Insight, Alianza, Logically, and others
Software Secured offer thorough testing combined with clear, actionable reports that determine issues without any false alarms, making it simple for you to spot, understand, and fix security problems quickly. This company offers top-quality security services that match the biggest names in the industry. And the best part is that they do it without the sky-high prices or complicated processes you often get from large security firms.
Plus, they stay ahead of the game with ongoing security training, so their team is always up-to-date on the latest threats and ways to defend against them. By investing in their experts’ professional growth, Software Secured ensures your team benefits from current, practical security knowledge.
- Location: Ottawa, Canada
- Founded: 2009
- Team: Up to 49 experts
- Clients: Straddle, Fligoo Corp., Marco Learning Inc., and others
Conclusion
The best security partnerships must feel less like vendor relationships and more like having an expert on your team. Someone who understands your business, knows your risks, and adjusts as new threats come up. The investment you make today in cooperation with the best web application security vendor determines whether tomorrow’s attack becomes a minor inconvenience or a business-ending disaster.
If you want to feature your web security firm on this list, email us or submit a form in the Top Choices section. After a thorough assessment, we’ll decide whether it’s a valuable addition.
