Top 70 Application Security Companies in California
The Best of December 2025Looking for a top application security company in California?
With their in-depth knowledge of application security principles, penetration testing techniques, and security compliance standards, application security services help businesses identify and address security vulnerabilities before malicious actors exploit them. By collaborating with application security professionals, companies can enhance the resilience of their software infrastructure, build trust with their customers, and maintain a strong security posture in today's digital age.
To assist you in your search for a partner, we’ve compiled this list of the top application security vendors in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Application Security Services
-
31$1,000+10 - 49 employeesCarlsbad, CAEnteracloud is a small Carlsbad, California-based IT strategy consulting company. The team focuses on IT strategy consulting and cloud consulting & SI.Read More
-
32Undisclosed10 - 49 employeesSacramento, CAIT managed services company TLC Tech, Inc. Was launched in 2004. The agency provides IT managed services and IT strategy consulting, and is small.Read More
Industries
-
33$1,000+10 - 49 employeesSan Francisco, CAIT strategy consulting company People 1st, IT Inc. LLC was launched in 1997. The team provides IT strategy consulting and cloud consulting & SI.Read More
Industries
-
34Undisclosed250 - 999 employeesLos Gatos, CACloudDev is an IT strategy consulting company. The Los Gatos, California-based team specializes in IT strategy consulting and cloud consulting & SI.Read More
Industries
-
35$10,000+50 - 249 employeesSan Diego, CARead More
IT strategy consulting company Meriplex Communications was established in 2001. In Houston, Texas, their midsize team focuses on IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services.
Industries
-
36$5,000+10 - 49 employeesFremont, CAProkopto is a small IT strategy consulting company headquartered in Fremont, California. The team offers IT strategy consulting and cloud consulting & SI.Read More
Industries
-
37Undisclosed10 - 49 employeesOakland, CAIn Oakland, California, PC Professional, Inc. Is an IT managed services company. The team provides IT managed services and Cybersecurity.Read More
Industries
-
38$1,000+10 - 49 employeesSan Marcos, CAProject Expedite, a Digital Strategy company, was established in 2004. The small team focuses on Digital Strategy and BI & big data consulting & SI.Read More
-
39$25,000+2 - 9 employeesIrvine, CACybersecurity company GoatBytes.IO is located in Irvine, California. Their services include Cybersecurity and Mobile App Development.Read More
-
40Undisclosed2 - 9 employeesHuntington Beach, CASurf City Systems is an IT strategy consulting company. The Huntington Beach, California-based team offers IT strategy consulting and cloud consulting & SI.Read More
Industries
-
41$1,000+2 - 9 employeesSan Francisco, CACarezian, Inc. Is a Cybersecurity company founded in 2021. The small team focuses on Cybersecurity and IT managed services.Read More
-
42Undisclosed50 - 249 employeesMilpitas, CALaunched in 2018, AnChain.AI is a Cybersecurity and artificial intelligence firm. Their services include Cybersecurity and Artificial Intelligence.Read More
-
43Undisclosed10 - 49 employeesLong Beach, CAWeb development company Bit Tech Solutions was established in 2000. Headquartered in Long Beach, California, the team offers Web Development and cloud consulting & SI.Read More
-
44$1,000+2 - 9 employeesSan Diego, CASan Diego IT Pros is an IT strategy consulting company. They were launched in 2015 and specialize in IT strategy consulting and cloud consulting & SI.Read More
-
45$1,000+2 - 9 employeesSan Diego, CABeanstalk Computing is an IT managed services company launched in 2006. The team offers IT managed services and Cybersecurity.Read More
-
46$1,000+10 - 49 employeesRancho Cucamonga, CAGENIUSBOTS is a Cybersecurity company. Established in 2023, the team offers Cybersecurity and Content Marketing. The agency is headquartered in Rancho Cucamonga, California.Read More
-
47$100,000+50 - 249 employeesCulver City, CARead More
Application development company Stateside Agency is located in Culver City, California and San José, Costa Rica. The midsize team offers mobile app development, web development, ux/ui design, e-commerce development, and more. The agency was founded in 2013.
Industries
-
48Undisclosed10 - 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
Industries
-
49Undisclosed2 - 9 employeesSan Jose, CALaunched in 2010, DOSANJH USA Inc., a small IT strategy consulting company, is based in San Jose, California. Their team focuses on IT strategy consulting and Cybersecurity.Read More
Industries
-
50$1,000+50 - 249 employeesMission Viejo, CALaunched in 2006, Infoshare Systems, Inc is a branding company. The team specializes in Branding and Digital Strategy.Read More
Industries
-
51$1,000+2 - 9 employeesLos Angeles, CAOnTime Tech Pros is an IT strategy consulting company. They offer IT strategy consulting, unified communications consulting & SI, cybersecurity, IT managed services, and more and were launched in 2013. Their small team is Los Angeles, California-based.Read More
Industries
-
52Undisclosed10 - 49 employeesPalo Alto, CAEstablished in 2009, CIO Professional Services, LLC is an IT strategy consulting company. The small team focuses on IT strategy consulting and Cybersecurity.Read More
-
53Undisclosed2 - 9 employeesLos Angeles, CAXeneX Inc. Is a Cybersecurity company. In Los Angeles, California, their team provides Cybersecurity and IT managed services.Read More
-
54Undisclosed2 - 9 employeesSanta Ana, CAFounded in 2024, Falconforce Consulting is a Cybersecurity company. The team specializes in Cybersecurity and Blockchain and is headquartered in Santa Ana, California.Read More
-
55Undisclosed10 - 49 employeesCupertino, CAFounded in 2002, KalioTek is an IT strategy consulting company. The company offers IT strategy consulting and cloud consulting & SI, and is small.Read More
Industries
-
56Undisclosed2 - 9 employeesMilpitas, CACygne Noir Cyber, LLC, a Cybersecurity company, was established in 2023. The team specializes in Cybersecurity and IT managed services.Read More
Industries
-
57Undisclosed2 - 9 employeesOrange, CACybernova Tech Consulting, an IT strategy consulting company, was launched in 2014. The firm specializes in IT strategy consulting and cloud consulting & SI.Read More
Industries
-
58$1,000+2 - 9 employeesWest Hollywood, CASecure Origin is a Cybersecurity and IT managed services company based in West Hollywood, California. They focus on Cybersecurity and IT managed services.Read More
Industries
-
59$1,000+2 - 9 employeesTemecula, CAIronguard IT is an IT strategy consulting company. Launched in 2024, the team provides IT strategy consulting and cloud consulting & SI.Read More
-
60Undisclosed10 - 49 employeesBurbank, CALaunched in 2014, ConvergentDS LLC is a small Cybersecurity company. Their services include Cybersecurity and IT strategy consulting.Read More
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule Consultation