Top 100 Application Security Companies
The Best of April 2026Looking for a top application security company?
Application security companies are critical in safeguarding software applications from cyber threats and vulnerabilities. By partnering with application security companies, clients can mitigate the risk of cyber attacks, protect sensitive data, and ensure the integrity and availability of their software applications.
That's why we've created this list of the best application security vendors for you to review. Read through company descriptions, former clients, and notable projects to find the best fit for your business.
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List of the Best Application Security Services
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1291Undisclosed2 - 9 employeesExhibit A Computer Forensics is a small San Antonio, Texas-based Cybersecurity company. The team provides Cybersecurity.Read More
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1292Undisclosed2 - 9 employeesGainsborough, EnglandCybersecurity company Practical Infosec is based in Gainsborough, England. They specialize in Cybersecurity.Read More
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1293Undisclosed250 - 999 employeesBirmingham, EnglandResillion, an Application Testing company, was launched in 2022. The midsize team focuses on Application Testing and Computer Engineering.Read More
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1294Undisclosed250 - 999 employeesPittsburgh, PACOGENT Infotech, a midsize Application Testing company, is in Pittsburgh, Pennsylvania and Irving, Texas. The team offers Application Testing and Market Research.Read More
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1295Undisclosed250 - 999 employeesZłotniki, PolandAll for One Poland is a Złotniki, Poland-based business intelligence company. They offer BI & big data consulting & SI and cloud consulting & SI and were established in 1995.Read More
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1296Undisclosed250 - 999 employeesBern, SwitzerlandIsolutions AG, an IT strategy consulting company, is based in Bern, Switzerland and Kloten, Switzerland. They provide IT strategy consulting and cloud consulting & SI.Read More
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1297Undisclosed250 - 999 employeesVersailles, FranceIT strategy consulting company Alter Solutions Group focuses on IT strategy consulting and cloud consulting & SI. They were established in 2006.Read More
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1298Undisclosed250 - 999 employeesMelville, NYSourcepass is a web design agency in Melville, New York. They offer Web Design and IT strategy consulting and were launched in 2021.Read More
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1299$5,000+50 - 249 employeesRead More
UnderDefense is a cybersecurity provider located in Lviv, Ukraine with a second office in New York City. The company was founded in 2016 and now has a team of 28 that exclusively provides cybersecurity services.
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1300$10,000+50 - 249 employeesKothaguda, IndiaStryv Solutions Pvt. Ltd. Is a SEO services firm located in Orlando, Florida and Kothaguda, India. The midsize agency was founded in 2024. Their team focuses on Search Engine Optimization, BI & big data consulting & SI, Artificial Intelligence, cloud consulting & SI, and more.Read More
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1301Undisclosed1,000 - 9,999 employeesRocket Software, an IT managed services company, is headquartered in Waltham, Massachusetts. Their services include IT managed services and Custom Software Development.Read More
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1302$1,000+Freelancer employeesKyle, TXHVR Cloud LLC is an IT strategy consulting company founded in 2023. Their services include IT strategy consulting and cloud consulting & SI.Read More
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1303$1,000+Freelancer employeesBeograd, SerbiaFounded in 2024, Fixdemonium is a web design company. The team offers Web Design and CRM consulting and SI.Read More
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1304Undisclosed50 - 249 employeesRazordynamics is a Jamshedpur, India-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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1305UndisclosedFreelancer employeesMiller Cyber Technologies, an IT strategy consulting company, was founded in 2020. The small team focuses on IT strategy consulting and Cybersecurity.Read More
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1306Undisclosed50 - 249 employeesSao Paulo, BrazilHeadquartered in Sao Paulo, Brazil, HackerSec is a Cybersecurity company. The team provides Cybersecurity and Mobile App Development.Read More
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1307Undisclosed50 - 249 employeesRome, NYCybersecurity company Assured Information Security (AIS) is based in Rome, New York and Catonsville, Maryland. Founded in 2001, the team focuses on Cybersecurity and Artificial Intelligence.Read More
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1308$1,000+10 - 49 employeesSan Rafael, Costa RicaHeadquartered in San Rafael, Costa Rica and Alajuela, Costa Rica, Nucleus Defend is a Cybersecurity company. The team provides Cybersecurity and IT managed services.Read More
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1309Undisclosed10 - 49 employeesLondon, EnglandS3M Security is a London, England-based Cybersecurity and software development firm. They provide Cybersecurity and Custom Software Development and were founded in 2016.Read More
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1310Undisclosed10 - 49 employeesدبي, United Arab EmiratesSecureLink is a small Cybersecurity company headquartered in دبي, United Arab Emirates. Their services include Cybersecurity and IoT development.Read More
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1311Undisclosed10 - 49 employeesNew York, NYFounded in 2023, Resonance Security Inc is a small New York, New York-based Cybersecurity company. Their team specializes in Cybersecurity and Blockchain.Read More
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1312Undisclosed10 - 49 employeesUndisclosedPhoenix TechnoCyber, a small Cybersecurity company, is headquartered in. The team focuses on Cybersecurity.Read More
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1313Undisclosed10 - 49 employeesPhoenix Security is a Cybersecurity company. Located in London, England, the firm was founded in 2021. Their team focuses on Cybersecurity and BI & big data consulting & SI.Read More
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1314Undisclosed10 - 49 employeesSan Francisco, CAEAmmune is a San Francisco, California-based IT strategy consulting company. Founded in 2007, the team provides IT strategy consulting and BI & big data consulting & SI.Read More
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1315Undisclosed10 - 49 employeesMelbourne, AustraliaCythera Pty Ltd is a Cybersecurity company founded in 2018. The team specializes in Cybersecurity and IT managed services.Read More
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1316Undisclosed10 - 49 employeesFarmingdale, NYLaunched in 1999, IT Asset Management Group is a small Farmingdale, New York-based IT strategy consulting company. Their services include IT strategy consulting and BI & big data consulting & SI.Read More
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1317Undisclosed10 - 49 employeesLimassol, CyprusESafe Cyber Security Ltd is a small Limassol, Cyprus-based Cybersecurity company. The team focuses on Cybersecurity and IT managed services.Read More
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1318Undisclosed10 - 49 employeesCenturion, South AfricaCybersecurity company Dotcom Cybersecurity was founded in 2020. The team offers Cybersecurity and IT managed services.Read More
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1319Undisclosed10 - 49 employeesGuayaquil, EcuadorConsulting Systems, a small Cybersecurity company, is headquartered in Guayaquil, Ecuador. Their services include Cybersecurity and Corporate Training & Coaching.Read More
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1320Undisclosed10 - 49 employeesKnoxville, TNContextual Security is a Cybersecurity company headquartered in Knoxville, Tennessee. Their services include Cybersecurity and IT managed services.Read More
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