Top Cyber Security Companies in California
Are you looking for cybersecurity firms in California to help your organization detect, respond, and recover from cyber risks? There are many cybersecurity service providers in California that enable you to develop a roadmap to protect your current environment. In the present scenario of the prevalent online risks, it is crucial to have one of the best cybersecurity agencies in California as your partner that help you align the security strategies with your business goals. Identifying the need, Goodfirms has fabricated a list of the top cybersecurity companies in California that are capable of building defense systems against complex and sophisticated threats.
List of Top Cybersecurity Firms in California
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Since 2011, Packetlabs has been a trusted provider of advanced IT security services across North America. The company is widely recognized for its penetration testing, adversary simulation, and comprehensive security assessment services. With CREST and SOC 2 Type II accreditations, Packetlabs delivers best-in-class, compliant, and reliable cybersecurity solutions to organizations across diverse industries.
$200 - $300/hr50 - 2492011San Francisco, CaliforniaPacketlabs always exceeded my expectations for the services they’ve delivered
- Anonymous -
Founded in 2012, STS Software has a strong track record of delivering reliable IT support solutions to businesses across the United States. By combining agile methodologies with the latest technologies, the company helps organizations streamline operations and improve decision-making. STS Software’s highly skilled IT professionals are dedicated to enhancing efficiency, performance, and long-term business success.
$50 - $99/hr250 - 9992012San Francisco, CaliforniaSTS Software delivered secure and efficient solution that improved accuracy and reduced manual work
- Paul Evans, CEO at IVCM -
Established in 2013, Ighty Support is a leading IT solutions company delivering end-to-end IT management services, from cloud infrastructure to robust security solutions. By leveraging the latest tools and technologies, the team helps businesses boost productivity and become future-ready, allowing organizations to focus fully on their strategic objectives and long-term growth.
$50 - $99/hr10 - 492011San Francisco, CaliforniaProfessional and efficient network cabling!
- Emily Johnson, Project coordinator at Tower Tales -
Talentica Software is an AI-native product engineering company helping startups and enterprises build scalable, secure, and high-performance digital products. With 22+ years of experience and 200+ products built across the product lifecycle, we combine strong engineering fundamentals with advanced AI capabilities to accelerate development and drive business impact. Our team of 600+ AI-native engineers (top 2% ... read Talentica Software reviews & insights
$25 - $49/hr250 - 9992003Pleasanton, CaliforniaHighly skilled and knowledgeable team.
- Bob Friday, Co-Founder and CTO at Mist Systems -
ALFATEK leverages decades of experience spanning multiple industries, covering IT Project Management, Infrastructure Engineering, Back-end System Administration, Software Development, and continuous IT support for corporate and governmental sectors. Our services encompass both on-site and remote management of enterprise network infrastructures, encompassing everything from Domain Controllers and network peripherals to overseeing Web Properties, Cyber Security, Databases, ... read ALFATEK reviews & insights
$150 - $199/hr10 - 492013Concord, CaliforniaTitle: IT MSP Firm
- Eugene Grach, CEO at Torture Museum -
Looking for a few extra hands? Or perhaps outsourcing your software development, from concept to code? Access 4,000+ Senior Software Engineers Proficient in English Working the same hours you do Experts in 100+ technologies and programming languages How it Works - 3 Flexible Engagement Models Staff Augmentation: Our software developers in ... read BairesDev reviews & insights
$25 - $49/hr1,000 - 9,9992009San Francisco, California -
Burgi Technologies act as your technology partner by providing the following services: Comprehensive IT Support and services, Helpdesk support, HIPAA Compliant IT services for medical practices, Computer Networking, Software solutions, Cloud Services, Backup and recovery, business continuity solutions, Web and Mobile App Development, Security solutions, Surveillance camera systems and more...
NA10 - 492015Tustin, California -
SoluLab is a globally recognized AI, Blockchain, and Web3 development company known for transforming visionary ideas into scalable digital products. With over 50M+ active users across apps we've built and a 97% customer success score, we’re trusted by both high-growth startups and industry giants like Walt Disney, Goldman Sachs, Mercedes-Benz, the University of Cambridge, and ... read SoluLab reviews & insights
$25 - $49/hr250 - 9992014Los Angeles, CaliforniaExceptional Development of a Comprehensive Banking and Trading Platform
- Chris Hall, Chief Executive Officer at Three Sixty Products LLC -
TruAdvantage is a Bay Area based, award-winning IT firm that specializes in managed IT, managed Cybersecurity, cloud solutions and strategic IT planning. Our passion is to bring enterprise-level productivity, simplicity, scalability, and security to over 100 small to medium businesses who have chosen us as their IT partner.
$150 - $199/hr10 - 492010San Jose, CaliforniaThe accessibility of their team is consistently reliable.
- Shawna Anderson, HR Operations Specialist at Trading & Logistics Company -
YES IT Labs stands as the premier software development company in USA, known for our unwavering passion for innovation and excellence. Our team of dedicated professionals is not just about coding; we are about transforming your ideas into powerful, impactful digital solutions. With a strong commitment to delivering exceptional results, we work closely with our clients, ... read YES IT Labs LLC reviews & insights
< $25/hr50 - 2492017Laguna Beach, CaliforniaStrong requirement clarity and delivery exactly within the agreed timeline.
- Daniel McCann, Senior software engineer at ilderWhy YES IT Labs LLC?
- Reliable & Scalable Software Delivered on Time
- Transparent Process with Dedicated Experts
- Solutions Built to Drive Real Business Growth
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Bitcot is an award-winning digital transformation company that leading organizations trust for custom solutions in web, mobile, AI, and automation. Fortune 500s and ambitious startups come to us for one reason: AI-powered software that actually moves the needle. Based in San Diego, California, we deliver end-to-end software development services for startups and enterprises across industries. ... read BitCot reviews & insights
$50 - $99/hr50 - 2492011San Diego, CaliforniaEasy to Work With
- Tong Ho -
Neebal, a technology solutions provider, has delivered top of the line solutions across Agro, Pharma, and BFSI verticals. Neebal aims to provide top tier services for API Integration, RPA, and advanced mobility with prime focus on Hyperautomation. Founded in 2010, Neebal is proud recipient of the Deloitte Technology Fast 500 Award (APAC) and the Deloitte ... read Neebal Technologies reviews & insights
$25 - $49/hr50 - 2492010Fremont, CaliforniaExcellence
- John Macharia -
HashCash is a global software company offering solutions in Blockchain, AI, Big Data, and IoT through its platforms, products & services. HashCash Blockchain products enable enterprises to move assets across borders in real-time for Remittances, Trade Finance, Payment Processing, and more. HashCash runs US-based digital asset exchange, PayBito & Digital asset payment processor, BillBitcoins. HashCash ... read HashCash Consultants reviews & insights
$50 - $99/hr50 - 249Palo Alto, CaliforniaPaybito Experience
- Raktim Dutta, Student at Heritage Institute of Technology -
Svitla is a global digital solutions company with over 20 years of industry experience. Since 2003, we have engineered more than 5,000 transformative solutions for our clients around the globe, bolstering their growth and competitive edge. Our mission is to advise and implement modern, sustainable solutions for our clients, using the power of digital, cloud, ... read Svitla Systems reviews & insights
$25 - $49/hr1,000 - 9,9992003Corte Madera, CaliforniaReliable management and experts with focus on team work
- Mira Boteva, Project Manager at Deutsche Börse -
Carmatec is a result- driven digital transformation company, providing a one-stop solution for all your business needs. Deploy state-of-the-art ERP systems that streamline operations, simplify communications, enhances marketing impact, drives data-driven decision making, kicks accelerates business growth and ultimately captures a higher ROI. Harness the power of technology and digital platforms to transform your business ... read Carmatec reviews & insights
< $25/hr50 - 2492003Los Angeles, CaliforniaMy experience with Carmatec Inc. was highly positive
- Sibani Sahu, Business Analyst at Oracle Financial Services -
Code Calibre is a professional Web Design, Web Development, and Digital Marketing company located in Delhi, NCR. We are a technology-driven organization stepping forward to take the next step towards evolving as one of the top IT companies in India. We began with the aim to deliver high-quality work to our foreign & local clients in ... read Code Calibre reviews & insights
NA50 - 2492014San Francisco, CaliforniaTheir expertise and excellence in Mobile App Development are phenomenal.
- Greg Stephen, Senior Vice president at PIVOT AGENCY -
Infobahn specializes in full-lifecycle project and consulting efforts conducted in strategic partnership with some of the world's most prominent companies. Infobahn provides a broad range of IT consulting services leveraging Onsite, Offsite and Offshore models. Our Management Team is experienced having created and nurtured professional services and consulting teams to deliver quality solutions to Fortune ... read Infobahn Softworld Inc reviews & insights
< $25/hr250 - 9991996San Jose, CaliforniaHighly unprofessioanl and unstructured
- Jasmeet Kaur, Account Manager at Pyramid Consulting, Inc -
𝐀𝐩𝐩𝐢𝐧𝐠𝐢𝐧𝐞 is one of the best awards winning top mobile app development companies in the USA which guarantees your app to win a marketplace. 𝐀𝐩𝐩𝐢𝐧𝐠𝐢𝐧𝐞 designs impeccable web applications that help the company in branding and get featured in App stores. 𝐀𝐩𝐩𝐢𝐧𝐠𝐢𝐧𝐞 develops apps for Android and IOS devices. The company is known for its ... read Appingine reviews & insights
$25 - $49/hr50 - 2492008Los Angeles, CaliforniaMobile App Design & Development Service for Education App .
- Brandon Walker, Founder at IFS e-Learning -
As a leading software development company, Matellio has established itself as a trusted partner for businesses across industries worldwide. Our journey began in 2014 with a small team of 25 passionate developers focused on providing custom software development services to startups and small businesses. We started exploring ways to create innovative technological solutions. As we ... read Matellio Inc reviews & insights
$50 - $99/hr50 - 2492014San Jose, CaliforniaGreat Shopping Stop
- Abhijit Nath, Research Student at University of Cape Town -
American Web Coders is one of the prominent website design and development companies based in the USA. A company has achieved numerous awards by delivering top-quality solutions across the world.
NA10 - 492012Los Angeles, CaliforniaThey delivered a stunning website that boosted my SEO and user engagement—worth every penny!
- Giggy Brok, Marketing Manager at Solution Thinker (AAF Tech) -
Roweb is a custom software development company with 20+ years of experience helping global clients build scalable digital products and high-performing development teams. From startups to large enterprises, we specialize in long-term partnerships that support business growth through tailored web and mobile solutions, automation tools, and digital platforms. In 2025, Roweb joined Sirma Group — ... read Roweb Development reviews & insights
NA50 - 2492004San Francisco, CaliforniaExcelent
- Sorin-Stefan Ungureanu, General Manager at Seatbelt Consulting SRL -
At Zazmic, we are on a mission to empower businesses to leverage the transformative power of AI and Cloud, building custom solutions that aren’t just smart, but also secure and scalable. We’ve been in AI/ML for 12 years now, and today, we are leading the way as the fastest-growing Google Cloud partner and a ... read Zazmic reviews & insights
$25 - $49/hr50 - 2492014San Francisco, CaliforniaOutstanding quality, support and participation
- Pierre Schwob, Founder/CEO at ContextU, Inc -
MindK is a software development company that helps businesses around the world work smarter, not harder, with custom products built specifically to meet their company's needs. Our core expertise includes end-to-end development of software solutions, providing a dedicated team of top experts, as well as Test Automation-as-a-service and DevOps-as-a-service. For the last 10 years, we delivered 150+ software solutions ... read MindK reviews & insights
$50 - $99/hr50 - 2492009San Francisco, CaliforniaIT company with great hard and soft skills
- Ievgen Kliushnyk -
Technology Mindz is a cutting-edge IT service and solution provider that empowers enterprises to reshape their businesses in the digital era. With over a decade of expertise and innovation in design, development, and support, we serve as a comprehensive solution for enterprises seeking to overcome their critical IT challenges.
$25 - $49/hr50 - 2492012Cupertino, CaliforniaThe IT services provided by Technology Mindz are of a high standard.
- Ama William -
CyberProof is a security services company that intelligently manages your incident detection and response. Our advanced cyber defense platform enables operational efficiency with complete transparency to dramatically reduce the cost and time needed to respond to security threats and minimize business impact. SeeMo, our virtual analyst, automates and accelerates cyber operations by learning and adapting ... read CyberProof reviews & insights
$25 - $49/hr50 - 2492017Aliso Viejo, California -
Cyber Defense Group (CDG) is a focused cyber security specialist that provides maximum defense using exceptional knowledge and the most advanced technology against today's advanced threats. We are the trusted security advisor to many leading organizations across the globe, working with our clients to deliver a holistic approach to cyber security.
< $25/hr10 - 492016Los Angeles, California -
LA Networks helps large and small organizations understand, adapt, implement and evolve network infrastructure technologies, cyber security solutions, and managed IT services. We are an authentic, engineering-first organization that stays true to this identity. Technology excites and intrigues us and we never stop working to master the latest innovations from our key partner, Cisco. For ... read LA Networks reviews & insights
$25 - $49/hr10 - 491997Los Angeles, California -
FPA Technology Services, Inc. is the preeminent outsourced IT service provider for growing businesses in the greater Los Angeles area specializing in working with Registered Investment Advisors, CPA's and Business Managers, Manufacturers and Distributors, and Non-Profits. As a single source for all the technology services an organization may need, FPA focuses on assisting clients to ... read FPA Technology Services reviews & insights
$25 - $49/hr10 - 491991Los Angeles, California -
Cyber-confidence is our Mission. Trust, transparency, accountability, technology, skills and experience together in one, harmonized process. We integrate Managed Security Services with IT teams and Service Providers. The latest in AI, Machine Learning and Cloud technologies allow us to purpose-build AI-based software that keep costs low and quality high. In development for over a decade, ... read ICE Cybersecurity reviews & insights
< $25/hr2 - 92016San Diego, California -
At RSI Security we take great pride in presenting unbiased, independent, and technical in-depth security assessment. We don't have a conflict of interest when it comes to your security weaknesses since we're not interested in implementing your network or selling you additional hardware and software. We simply want to share our expert security guidance so ... read RSI Security reviews & insights
< $25/hr10 - 492008San Diego, California -
Let’s be clear, while we’ll gladly come in and fix what’s broken, we’d prefer that you never experience the loss of business continuity that comes from IT troubles. At Wendego, our business model is based on relentlessly working to prevent system failures or loss of data that can cost your company in the long run. ... read Wendego IT Solutions reviews & insights
< $25/hr2 - 92006San Diego, California -
SOCBOX IS A TEAM OF WORLD-CLASS CYBERSECURITY EXPERTS DEDICATED TO HELPING YOU PROTECT YOUR COMPANY. WE COMBINE A STATE-OF-THE-ART SECURITY OPERATIONS CENTER (SOC) WITH THE BEST CYBERSECURITY TOOLS AND MANAGED SECURITY SERVICES AVAILABLE, DEPLOYED RAPIDLY TO ANY SIZE ENVIRONMENT AT A REDUCED COST.
< $25/hr10 - 49San Diego, California -
AttackIQ, a leader in the emerging market of continuous security validation, built the industry’s first platform that enables red and blue teams to test the effectiveness of their security controls and staff. Our platform supports the MITRE ATT&CK Matrix, a curated knowledge base and model for cyber adversary behavior used for planning security improvements and ... read AttackIQ reviews & insights
< $25/hr50 - 2492013San Diego, California -
We specialize in server and workstation installation, and IT support for small medium business in San Diego area and surroundings. We have been helping local small businesses expand and upgrade their existing network. Our typical customer has 5 to 50 workstations and 1 to 10 servers depending on the size of their network, and they ... read Pinnacle Access reviews & insights
< $25/hr2 - 91989San Diego, California -
AUSGAR is a company of smart, innovative technical team members who can out-think problems faced by our customers in the cybersecurity, experimentation and engineering services marketplace. Specializing in security engineering and accreditation, we protect devices, networks and systems. We successfully execute experimentation and exercises to transition technology to the fleet expeditiously. We also provide a ... read AUSGAR Technologies reviews & insights
< $25/hr50 - 2492003San Diego, California -
SACTECH helps your business engage technology, security, and applications with a utility mindset so you can thrive in an Internet Delivered World
< $25/hr2 - 92003Sacramento, California -
Established in 2012, iQvcloud develops products that facilitate the protection of all forms of data and information when at rest. This technology exceeds today’s standards for encryption/decryption by introducing solutions that address the needs of both secure business transmission of data and the authentication of the user. The experts behind iQvcloud’s technology have always ... read IQV Cloud reviews & insights
NA10 - 492012Los Angeles, California -
We're a passioned group of cyber security professionals with more than 14 years of experience in information security, Penetration testing and Application Security (AppSec), we support non-profit organizations like OWASP and love what we do, we are that kind of people that like to share knowledge. White Jaguars ® started on 2016 (formerly Roblest.com 2001-2016) ... read White Jaguars Cyber Security reviews & insights
NA2 - 92010San Jose, California -
Leading Digital Transformation Projects across many industries such as EDUCATION, TECHNOLOGICAL, FINANCIAL, MEDICAL & HEALTH, COMMERCIAL. Our purpose is to help you on assessing your business. We provide a World-Class Service. We can work together on developing a [Cybersecurity Strategy] for your organization. Services: - Cybersecurity Assessments - Learning Program & Strategy for Awareness - ... read ŠTÍT CYBERSECURITY reviews & insights
NA2 - 92018San Jose, California -
Choose Total Secure Technology's IT Management Services in Roseville for all your computer rollout needs. We’ve designed our IT services to fit your business from project management to integration to imaging and scripting. Our expert specialists have developed accurate, cost-effective, and highly efficient operational processes to decrease potential downtime.
NA2 - 9Sacramento, California -
TTC provides Managed IT Support & Services for small & medium businesses in Woodland Hills, CA. We offer Managed Services, VoIP & Compliance. We also provide 24/7 monitoring of all essential components to ensure your business stays up and running smoothly at all times.
NA10 - 49Woodland Hills, California -
SharkStriker is a cybersecurity vendor with a mission to simplify cybersecurity and empower MSPs through human-powered, tech-driven holistic services delivered through its unified, multi-tenant, open-architecture platform STRIEGO. With its global SOCs, it is helping businesses gain ROI from their existing security investments and address challenges like rising complexity & skills gap, multi-vendor management, and rising ... read SharkStriker Inc reviews & insights
NA2 - 9Walnut Creek, California -
Planet 9 is a trusted cybersecurity and compliance consulting firm dedicated to helping businesses navigate complex security and regulatory requirements. We specialize in HIPAA, PCI DSS, ISO, and SOC 2 compliance readiness, ensuring organizations meet industry standards while strengthening their security posture. Our services include information security risk assessments, compliance program development, and vCISO services, ... read Planet 9 Inc. reviews & insights
$200 - $300/hr2 - 92016Belmont, California -
ESET LLC is a global digital security company, protecting millions of customers and businesses worldwide with innovative, award-winning antivirus and internet security solutions. Founded in 1992, ESET has grown to become one of the leading cybersecurity companies, known for its reliable and effective security products. With a commitment to research and development, ESET continues to ... read ESET LLC reviews & insights
< $25/hr1,000 - 9,9991992San Diego, California -
CQR Cybersecurity is a cybersecurity service provider with over 15 years of hands-on experience. We specialize in helping organizations protect their infrastructure through a full range of expert services. Our offerings include penetration testing, red teaming, source code review, compliance audits, cloud security assessments, and virtual CISO support. Each service is delivered by certified professionals with ... read CQR Cybersecurity reviews & insights
$50 - $99/hr10 - 492024San Francisco, California -
Value Aligners makes enterprise-grade cybersecurity accessible to SMBs. Our platform provides AI-driven threat intelligence, compliance automation and a curated marketplace of security solutions. We offer tiered assessments, modular training, and tools to reduce compliance prep time and breach risks. We empower SMBs to thrive in the digital age, aligning the interests of businesses, vendors, and ... read Value Aligners reviews & insights
$25 - $49/hr10 - 492024Sunnyvale, California -
IT services provider Xperts Unlimited has been delivering flat-rate, all-inclusive managed IT solutions since 2000. Headquartered in Marina del Rey and Irvine, California, the company supports small and mid-sized businesses across Los Angeles and Orange County. Acting as a dedicated remote IT department, Xperts Unlimited offers 24/7 help desk support, network monitoring, cybersecurity, cloud services, ... read Xperts Unlimited reviews & insights
< $25/hr10 - 492020Marina del Rey, California -
Triphen Technologies delivers trusted hospitality IT services and cybersecurity solutions built for restaurants, bars, nightclubs, and hotels. From managed IT support services to cloud managed IT for hospitality, our California-based team helps guest-facing brands scale confidently, reduce downtime, and protect critical data.
NA10 - 492024Glendale, California
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