Our industry analysts determined the best California cybersecurity companies helping businesses protect their business data from attacks and streamline security measures. Browse companies' rates, portfolios, reviews and more in our agency listings table below to pick the most suitable partner.
Best California Cybersecurity Firm Rankings
162 Companies - Rankings updated: April 03, 2026
We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.
Cost-Effective Enterprise Class IT Solutions for Small Business Growth
We provide LA and OC metro area small businesses with Enterprise Class IT solutions, including data security, IT helpdesk & managed services, repairs and installations, and more. Get in touch to schedule your free consultation and network security audit. [... view MZ DATA profile ]- Location
- Long Beach, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- Under $1,000
Agile Software Development Company
Axon Active is a Swiss software development company, founded in 2008, with strong expertise in Agile and a vast portfolio of successful international projects, ranging from small businesses to highly complex multi-platform systems for large corporate clients. [... view Axon Active profile ]- Location
- San Francisco, California
- Number of Employees
- 500 - 999
IT Solutions That Optimize Your Business
Technologent is a Global Provider of Edge-to-EdgeTM Information Technology solutions and services for Fortune 1000 companies. We help our clients outpace the new digital economy by creating IT environments that are agile, flexible, efficient, transparent and secure. Without these characteristics, companies [... view Technologent profile ]- Location
- Irvine, California
- Number of Employees
- 250 - 499
Align your Business and IT, Faster.
CIO Professional Services LLC comprises a team of seasoned executives with expertise in CIO, CTO, and CSO roles, complemented by consulting partners from the Big 4. Our focus extends beyond strategy development; we specialize in guiding the execution of initiatives to ensure the delivery of tangible results [... view CIO Professional Services LLC profile ]- Location
- Palo Alto, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $300/hr
- Minimal Budget
- $25,000 - $50,000
Powering IT Excellence
Bellvia Solutions is a North American IT Managed Service Provider (MSP) delivering enterprise-grade IT, cybersecurity, cloud, and connectivity services available under your brand. [... view Bellvia Solutions profile ]- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
People Connecting Technology
Techmedics® helps businesses get the most out of their technology investments by offering comprehensive IT support plans flexible enough for any sized business, in any industry. [... view Techmedics profile ]- Location
- Pasadena, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $250/hr
- Minimal Budget
- $1,000 - $10,000
Highly Rated Cyber Security & IT Company
Intelecis is a renowned Managed Security Service Provider (MSSP) in the United States and the United Kingdom. We are dedicated to providing organizations with the most dependable, secure, and competent IT Security and Support service possible. When you deal with the most highly rated Cyber Security Company as [... view Intelecis profile ]- Location
- Fullerton, California
- Number of Employees
- 50 - 99
- Minimal Budget
- $1,000 - $10,000
Managed IT Service Provider & Cybersecurity Specialists
DLL Techs is a reputable Managed IT & Security Service Provider and Cybersecurity Specialists catering to small and medium-sized businesses. We offer an array of additional services, including web development, marketing, and media services. [... view DLL Techs profile ]- Location
- Glendora, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $1,000 - $10,000
Empowering IT Solutions for Smarter Business
Empowered IT Solutions stands out as a Technology Success Provider, offering innovative IT solutions and cutting-edge cybersecurity services. With our expertise, we empower businesses to navigate the digital landscape securely and efficiently. [... view Empowered IT Solutions profile ]- Location
- San Diego, California
- Number of Employees
- Under 49
- Minimal Budget
- Under $1,000
We Exist To Help You Get It Right. The First Time.
FUSE3 delivers comprehensive IT services with a focus on proactive solutions and personalized attention. The agency excels in IT support, consulting, outsourcing, and infrastructure design, ensuring scalable and enterprise-quality results. FUSE3's state-of-the-art network operations center enables reliable [... view FUSE3 profile ]- Location
- Fair Oaks, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $199/hr
- Minimal Budget
- $1,000 - $10,000
- K2 Partnering Solutions is the global leader in technology staffing with unparalleled expertise, market knowledge and international presence in ERP (SAP, Oracle), Enterprise Cloud (Salesforce), Analytics/Big Data, Enterprise Mobility and Social/Digital technologies [... view K2 Partnering Solutions profile ]
- Location
- San Francisco, California
- Number of Employees
- 1000 & Up
Secure Your Business. Transform Your Operations. Empower Your People.
Heroic Technologies delivers trusted IT and cybersecurity solutions with an average response time of under 10 minutes and a 98%+ client satisfaction rating. As cyber threats continue to rise, with ransomware impacting two-thirds of businesses and cybercrime costs nearing $10 trillion, we empower organizations [... view Heroic Technologies profile ]- Location
- Campbell, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
A Managed Services Provides
TECHBLEED is a Managed Service Provider that specializes in streamlining IT services for organizations in need of implementing information security protocols, remote monitoring, disaster recovery, and internal and external business communications. [... view TECHBLEED profile ]- Location
- Glendale, California
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
Global Yet Local!
Catalyst Business Solutions is a global technology consultancy headquartered in Silicon Valley. The firm delivers services in enterprise applications (Oracle, NetSuite, ERP/HCM/EPM/CRM), cybersecurity, cloud adoption, and industry-specific platforms such as social security, pension and electronic cargo [... view Catalyst Business Solutions profile ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
Managed IT Services & IT Support for Fresno, CA Businesses
Real Time specializes in providing computer-related services and support to small and medium-sized businesses throughout California's Central Valley and beyond. Over the years we've helped many small businesses relieve their technology worries so that they can concentrate on growing their businesses and [... view Real Time Information Services profile ]- Location
- Fresno, California
- Number of Employees
- Under 49
Specialized in managed IT, SD-WAN, intelligent networks, and cybersecurity solutions.
Our company offers a full stack of managed IT solutions so that you can streamline operations and consolidate efforts, giving you maximum performance with minimum running costs. [... view Meriplex Communications profile ]- Location
- San Diego, California
- Number of Employees
- 1000 & Up
Simplify It Process
Trust Haven Solution is a U.S.-based digital services firm founded in 2020, with a team of 50249 professionals. Specializing in web design, PPC, SEO, social media, content writing, cybersecurity, IT strategy consulting, and full-stack web and app development, the agency supports small to midsized businesses [... view Trust Haven Solution profile ]- Location
- Bakersfield, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- Under $1,000
Take the World at new Level
Masters Development Network and Solutions (MSDN Solutions) is a Web Development and Marketing company providing Web and Software Services, Graphic Design and Printing Solutions, and all Marketing needs to enterprises and more specifically to startup companies across the world. [... view MSDN Solutions, INC. profile ]- Location
- Thousand Oaks, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $1,000 - $10,000
Trust Your It. Empower Your Business.
L3 Networks provides Managed IT Services & Support. From Cyber Security to Cloud Services, L3 Networks keeps your business secure, reliable, and future-proof since 2000. [... view L3 Networks Inc. profile ]- Location
- Cypress, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Streamline Your Business with Office1.
Office1 is your gateway to a modernized business landscape. We provide proactive, personalized, and eco-friendly office technology solutions. Our comprehensive managed IT services, cloud integration and cutting-edge imaging services ensure a seamless digital transformation. [... view Office1 profile ]- Location
- San Diego, California
- Number of Employees
- 100 - 249
Hardwired: Helping You Understand IT
IT Consulting and Managed service provider based in Los Angeles providing Desktop and Server support on AWS and Azure. We support desktops and offices in over 300 locations nationwide. Specializing in the manufactured home and RV resort industries. [... view Network Thinking Solutions profile ]- Location
- Westlake Village, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $10,000 - $25,000
IT Infrastructure & Cybersecurity Solutions Provider.
At vCloud Tech, we revolutionize how businesses adopt and innovate with cloud technology. Born in the cloud-first, mobile-first era, we specialize in modernizing applications, digitizing data, and securing modern datacenters. Our top talent and expertise fuel global innovation, creating strong partnerships [... view VCloud Tech profile ]- Location
- Rolling Hills Estates, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
Lightning-Fast AI, Cloud & Cybersecurity Solutions
Zazmic has been at the forefront of AI/ML and software development innovation for over a decade. Today, we continue to lead the charge as the Google Cloud Premier partner and a top provider of Gen AI, cybersecurity, and cloud services. Design, architecture, top-tier engineering we have it all. [... view Zazmic profile ]- Location
- San Francisco, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Engineering Quality, Securing Digital Success.
Qualitest is the worlds leading managed services provider of AI-led quality engineering solutions. It helps brands transition through the digital assurance journey and make the move from conventional functional testing to adopt innovations such as automation, AI, blockchain, and XR. [... view Qualitest Group profile ]- Location
- Santa Clara, California
- Number of Employees
- 1000 & Up
Trusted By 100+ Orange County Businesses
BRITECITY Orange County's Award-Winning Managed IT Partner. Delivering 24/7 managed IT services, cybersecurity, and cloud solutions to Irvine, Anaheim, and all of Orange County since 2007. Flat-rate, no-surprises support with on-site & remote helpdesk, HIPAA compliance, and zero-downtime migrations. Trusted [... view BRITECITY profile ]- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $205/hr
- Minimal Budget
- $1,000 - $10,000
TopTier IT, Trusted For Decades
InSync Computer Solutions has been managing, maintaining, protecting & securing clients IT environments for 31 years. Our superior and effective managed IT services are the reason our client retention rates are so high. The inSync model includes onsite IT support with a dedicated senior engineer and is [... view InSync Computer Solutions profile ]- Location
- Laguna Hills, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $1,000 - $10,000
Round The Clock IT Support
24Online at +962 6 582 88 33. Information Technology Services and Tech Support for Companies in Amman, Jordan and the Middle East. 10+ years in biz. [... view 24Online profile ]- Location
- Alameda, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Business & Technology Solutions
Withum can be the new business advisor relationship you need to inspire innovation for your growth and success. Experience a fresh perspective on embracing what you’ve learned and refocusing your business strategy to thrive in an evolving, complex business environment. Whether you’re looking to strengthen [... view Withum profile ]- Location
- San Francisco, California
- Number of Employees
- 1000 & Up
Building A Better Working World
EY offers Accounting, Business Consulting, and IT Services with a mission to build a better working world. It provides insights and quality services that instill trust in global capital markets and economies. EY focuses on developing exceptional leaders who deliver on their commitments to all stakeholders [... view EY profile ]- Location
- Sacramento, California
- Number of Employees
- 1000 & Up
Digital transformation for your business.
Product and Software Development, IT Consulting Services and Managed IT. [... view Carezian profile ]- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $90/hr
- Minimal Budget
- $1,000 - $10,000
All-inclusive IT. Secure, proactive, and built to scale.
Advanced Networks delivers fully managed IT and cybersecurity services to organizations across Southern California. We act as an extension of your team or your entire IT department, providing unlimited support, proactive monitoring, and a complete software stack including security, backup, and compliance [... view Advanced Networks profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $1,000 - $10,000
Software Development and Cloud Technology Company
We’re a solution-based technology company with a focus in cloud transformation, software development and big data analytics services based out of California. We combine the love for engineering and big data to scale projects and help businesses grow. Our passion for technology drives results-based solutions [... view Jaxel profile ]- Location
- Pleasanton, California
- Number of Employees
- Under 49
- Minimal Budget
- $10,000 - $25,000
For The Future
We are advisors, engineers, and designers solving business challenges with innovative technology solutions. [... view SoftServe, Inc. profile ]- Location
- Los Angeles, California
- Number of Employees
- 1000 & Up
When IT ABSOlutely has to work!!
ABSO Technologies stands out as a leading IT Managed Service Provider (MSP) that excels in providing comprehensive technology solutions to businesses, municipalities, and organizations throughout Northern California. [... view ABSO Technologies, Inc. profile ]- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $90/hr
- Minimal Budget
- Under $1,000
Modern Design and Agile Development
We reduce the friction of getting paid for your products and services online. With custom designs that are proven to be effective, we add value to your business using technology. Make your product easier to buy than your competitions. [... view Smith Consulting profile ]- Location
- Laguna Niguel, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $10,000 - $25,000
Now, for tomorrow.
Offering AgTech, Business, and IT Services. Baker Tilly Canada Cooperative is a member of the global network of Baker Tilly International Limited, the members of which are separate and independent legal entities. Baker Tilly Canada refers to the association of member firms of Baker Tilly Canada Cooperative [... view Baker Tilly profile ]- Location
- Orange County, California
- Number of Employees
- 1000 & Up
We Build Next-Generation Applications for Small and Mid-Sized Companies.
Sunvera Software builds innovative and intelligent chatbot solution, mobile, and web applications to help small and mid-sized companies improve operational efficiency and customer satisfaction while reducing company costs. [... view Sunvera Software profile ]- Location
- Orange County, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $10,000 - $25,000
A Leading Technology Company
We are an industry leading technology company in Orange County, CA specializing in managed IT services, cybersecurity & digital marketing for small and medium sized businesses. We ensure your systems are secure, running optimally and that you have help when needed. [... view IT Tropolis profile ]- Location
- Orange County, California
- Number of Employees
- Under 49
- Minimal Budget
- Under $1,000
Build Better Software.
Tech.us is a leading provider of specialized technology services, including custom software development, artificial intelligence and machine learning solutions, mobile app development, web and cloud application development, and cybersecurity. [... view Tech.us, Inc profile ]- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $10,000 - $25,000
Your Full Digital Development Experience.
Phoenix Afterglow is a premier multimedia company specializing in web development, app development, online marketing, and cybersecurity. They are dedicated to upholding the highest standards of performance, integrity, and ethics to ensure client satisfaction and achieve a lasting sense of fulfillment for all [... view Phoenix Afterglow profile ]- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Digitize Your Ideas!
Ideators, an Incorporated Registered Firm with a presence & clientele in Florida, Texas, Boston, San Francisco, Australia, Hong Kong, & Portugal is an emerging Digital Services & Solutions Firm. We ensure to integrate the expertise of the team professionals along with innovativeness, and your requir [... view Ideators profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
More Than Code We Build Trust Through Craft & Commitment
Engineered with integrity. Backed by mentorship. Delivered with care. BTS transforms ideas into scalable, secure, and impactful digital products that deliver long-term value. [... view Blue Trail Software profile ]- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $50,000 & Up
Elevate Your Digital Experience: Where Web Excellence Begins.
Sariya IT is an IT solutions and digital marketing agency dedicated to providing services such as web development, digital marketing, SEO, and IT solutions that seamlessly align with your unique business vision. With a strong focus on technology services, we empower your success. [... view Sariya IT profile ]- Location
- Fullerton, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
A Trusted Software Development Company
Pegasus One are a trusted Software Development Company based in Southern California with clients all over North America. Since 2009 we’ve been a software innovation partner for SMBs and Fortune 500 companies. [... view Pegasus One profile ]- Location
- Orange County, California
- Number of Employees
- 50 - 99
Strategic Creativity. Digital Excellence.
We provide strategic and creative services to multinational brands, enterprises, and non-profits, helping them navigate the digital economy. Founded in Seattle and based in Portland, we specialize in web & mobile apps, digital advertising, product design, design systems, eCommerce, and high-end mult [... view Jozi Firecracker Factory LLC profile ]- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
Web & Mobile App Development Company
Angular Minds is a top AngularJS development company, builds scalable mobile apps and web apps using AngularJS. Hire our dedicated AngularJS Developers for developing perfect AngularJS based apps and grow your business. [... view Angular Minds profile ]- Location
- San Diego, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 1 Project Listed
Award-Winning IT, Web & Software Services
Jim founded Nerd Crossing with a simple mission in mind—to provide the world with a trustworthy, customer service-focused technology and web service provider. Nerd Crossing offers honest, high quality technology services to the San Francisco Bay Area and beyond [... view Nerd Crossing profile ]- Location
- El Sobrante, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $165/hr
- Minimal Budget
- $1,000 - $10,000
Custom Software for Businesses
Consider us an extension of your team and your technical co-founders, the highly qualified engineers who will create, develop, and maintain the software systems required to power your idea. [... view Coreware Group profile ]- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $25,000 - $50,000
Your Extended Engineering Team
Argusoft is a trusted software solutions design consultancy that provides end-to-end, enterprise-class turnkey solutions. Our team of Argonauts are trained to think design at every step, architecting, designing, and coding with the business goals and objectives of our clients in mind. [... view Argusoft profile ]- Location
- Newark, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
Your Security Partner.
If you think about SOC2, ISO27001, ISO 42001, GDPR, HIPAA, HITRUST Services, Securis360 For you! We weave a web of protection so strong, even the most cunning spider wouldn't dare to tangle. [... see all Securis360 reviews ]- Location
- Milpitas, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $10/hr
- Minimal Budget
- Under $1,000
Related Services in California
Cybersecurity Companies in California
About The Author and Expert Reviewer
Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.
Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.
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