Top IT Services Companies in California
Are you looking to seek consultation from the best IT services companies in California? Professional IT services lend you a fresh perspective and help you analyze your existing setup. Innovative solutions from IT service providers will act as a catalyst to bring about positive changes in your current setup and help you strengthen the security of your data. With cost-effective, customized solutions, you can realize more productivity in your structure. Here is a list of the top IT firms in California rated on quality, reliability, and ability.
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List of IT Services Companies in California | Top IT Firms in California
At 7 Layers IT Solutions, we are devoted to offering cutting-edge IT solutions tailored to meet the increasing demands of businesses. With expertise in managed IT services, cybersecurity, cloud computing, and IT consulting, we provide trustworthy and scalable technological solutions to boost productivity and security. Our team of seasoned experts makes sure that IT operations ... read 7 Layer IT Solutions reviews & insights
$25 - $49/hr10 - 492020Chatsworth, California
Techital is a Glendale, California–based managed IT services provider specializing in Microsoft 365, cybersecurity compliance, and IT solutions for distributed workforces. Founded in 2001, we support clients in industries including professional services, manufacturing, and beauty/cosmetics production. Our services include proactive IT management, cloud solutions, VoIP, structured cabling, cybersecurity audits, and compliance readiness for cyber insurance. ... read Techital, Inc. reviews & insights
$150 - $199/hr2 - 92001Glendale, California
GTS is the leading IT services and solutions company providing services in cyber security, staff augmentation and software development domains. Founded in 2006, GTS has presence in the US, Singapore, South Korea, Romania, UAE and South Asia. We provide a comprehensive array of cyber security, staffing and software development services to technology companies and IT ... read Global Tech Studio reviews & insights
< $25/hr10 - 492016San Francisco, California
IT Support LA is one of the leading tech companies providing IT solutions to various businesses in and across Los Angeles. Our company was set up in 2002 and since has been providing customized services to small and mid-size businesses across Los Angeles. Our mission is to provide large company-level IT services to our clients ... read IT Support Company In LA reviews & insights
< $25/hr2 - 92002Calabasas, California
Acuvity Consulting is a California-based boutique management consulting firm delivering Big 4–level strategy services at a fraction of the cost. Founded by a former Deloitte Engagement Manager, we bring 20+ years of experience across healthcare, manufacturing, technology, and the public sector. We specialize in bridging business and technology strategy through CIO/CTO advisory, IT modernization & cybersecurity, ... read Acuvity Consulting USA Inc. reviews & insights
$200 - $300/hr10 - 492013Livermore, California
Deploy Elite Tech Squads. Built to Deliver. Silicon Valley-based Outstaffing Studio, Led by Alex Raud SVITS provides high-performance IT professionals—from junior developers to executive-level leaders—all trained under the command of Alex Raud: former Performance Architect of Intel VTune, GPA, and Director of SEAPI. He led Intel's strategic collaborations with Apple and Microsoft. You're using his ... read Silicon Valley IT Solutions reviews & insights
$25 - $49/hr2 - 92023Sunnyvale, 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
Bellvia Solutions is a nationwide IT, cloud, and cybersecurity services provider helping organizations modernize securely in an evolving digital world. Headquartered remotely in California, Bellvia operates with a remote-first workforce, supporting clients across all 50 states. Bellvia Solutions is a Certified California Small Business (Micro) Vendor Eligible for direct awards under Government Code 14838.5. As ... read Bellvia Solutions LLC reviews & insights
NA2 - 92025Irvine, California
CAL IT Group is a trusted Managed IT services provider based in Orange County, specializing in tailored technology solutions for small and mid-sized businesses. With a strong focus on cybersecurity, business continuity, and responsive support, CAL IT Group empowers companies to operate securely and efficiently. Their team of certified experts delivers proactive monitoring, cloud integration, ... read CAL IT Group reviews & insights
NA10 - 492016Huntington Beach, California
Since 1989, Divine Logic has helped Fresno and Central Valley businesses stay secure, productive, and connected through calm, practical IT management. We provide managed IT services, vCIO strategy, cloud and cybersecurity solutions tailored to each client’s goals. Our remote-first approach ensures quick resolutions, while on-site support is scheduled when it truly matters. At Divine Logic, ... read Divine Logic reviews & insights
$150 - $199/hr10 - 491989Fresno, California
OC Security Audit – Your Partner in Cybersecurity and IT Compliance OC Security Audit is a California-based cybersecurity and IT consulting firm specializing in network security audits, IT infrastructure assessments, and compliance solutions. We help organizations identify vulnerabilities, strengthen defenses, and achieve compliance with frameworks such as PCI-DSS, HIPAA, NIST, and ISO 27001. With over ... read OC Security Audit reviews & insights
$150 - $199/hr2 - 92020Irvine, California
Clymin is a data scraping-as-a-service AI company. We extract information from web and mobile applications by leveraging AI and convert it into structured data. Our proprietary technology allows us to effectively extract and parse data at scale. We can provide data in the desired formats for customers, such as CSV, JSON, S3 upload, API integration, ... read Clymin reviews & insights
< $25/hr10 - 492023San Francisco, California
VFIX Communications is a trusted managed IT services provider serving businesses throughout the San Francisco Bay Area. We help small and midsize organizations improve security, reduce downtime, and streamline daily operations through reliable and comprehensive IT support. Our team works closely with professional services firms, nonprofit organizations, medical and dental offices, and multi location businesses that ... read VFIX Communications reviews & insights
$200 - $300/hr2 - 92022San Francisco, 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
NexInfo is a leading consulting firm established in 1999, delivering expert guidance to businesses of all sizes—from startups and small enterprises to Fortune 1000 organizations. We help companies achieve Operational Excellence through a powerful combination of business process expertise and software consulting services. Our strong domain knowledge spans Enterprise Resource Planning (ERP), Product Lifecycle Management ... read NexInfo reviews & insights
$100 - $149/hr250 - 9991999Santa Ana, California
24hourtek provides proactive managed IT services for SMBs and nonprofits across the San Francisco Bay Area. The company focuses exclusively on business IT, delivering managed IT support, help desk services, cybersecurity, and long-term IT strategy. Its approach emphasizes secure systems, operational efficiency, and reliable day-to-day IT operations, supported by standardized processes and automated IT operations where appropriate. ... read 24hourtek reviews & insights
NA10 - 492003San Francisco, California
Chiron IT is a private IT consulting company that specializes in digital transformation and business process automation. With a focus on industries such as finance, healthcare, retail, and government, the company provides tailored cloud technology, data migration, cybersecurity, and software development solutions. Chiron IT helps businesses streamline operations, improve efficiency, and reduce operational costs by ... read Chiron IT reviews & insights
$100 - $149/hr2 - 92018Irvine, California
Enhance your IT operations with AI Managed IT Services. Based in Los Angeles, we provide reliable, responsive IT support designed to keep your business running efficiently. Our services include 24/7 system monitoring, advanced network security, and proactive technology management. With a strong focus on service quality and client satisfaction, we help minimize technical disruptions so ... read AI Managed IT Services reviews & insights
$100 - $149/hr10 - 492004Westlake Village, California
Integrate end to end credit and payment solutions into your business processes using our modern card issuing platform. From global enterprises to booming startups, innovators count on Marqeta. Industry leaders across on-demand delivery, expense management, retail, digital banking, and more use Marqeta to deliver exceptional customer card experiences that elevate their brands and build lasting ... read Marqeta reviews & insights
$50 - $99/hr250 - 9992010Oakland, California
CrowdStrike (Nasdaq: CRWD), a global cybersecurity leader, has redefined modern security with the world’s most advanced cloud-native platform for protecting critical areas of enterprise risk — endpoints and cloud workloads, identity and data. Powered by the CrowdStrike Security Cloud and world-class AI, the CrowdStrike Falcon® platform leverages real-time indicators of attack, threat intelligence, evolving adversary ... read Crowdstrike reviews & insights
$200 - $300/hr1,000 - 9,9992011Sunnyvale, California
SentinelOne is the world's leading AI-powered cybersecurity platform. The SentinelOne Singularity platform, built on the first unified Data Lake, is revolutionizing security operations, with AI, solving use cases across Endpoint Protection, SIEM, Cloud Security, Identity Threat Detection and 24x7 Managed Threat Services. SentinelOne empowers the world to run securely by creating intelligent, data-driven systems that ... read Sentinelone reviews & insights
$200 - $300/hr1,000 - 9,9992013Mountain View, California
The financial world is broken. Outdated systems, sky-high fees, fraud everywhere. We’re here to fix it. Nellcorp builds the future of payments and banking - seamless, secure, and built for growth. We work with banks and fintechs to drive innovation and scale while keeping operations compliant and safe from cyber threats.
< $25/hr2 - 92010Vallejo, California
Clare Computer Solutions (CCS) is a San Ramon–based managed IT services and cybersecurity provider supporting organizations throughout the San Francisco Bay Area. Founded in 1980, CCS helps businesses modernize, secure, and streamline their technology environments through reliable IT management, strategic guidance, and responsive support. With more than 35 years of industry experience, the company delivers ... read Clare Computer Solutoins reviews & insights
$150 - $199/hr10 - 491990San Ramon, California
Treeline is a next-gen IT, security, and compliance provider backed by Andreessen Horowitz. Built for businesses that want more from their IT partner. The traditional managed IT model wasn't designed for the speed, complexity, and security demands businesses face today. Reactive ticket queues, inconsistent response times, and fragmented tooling make it difficult for providers to ... read Treeline reviews & insights
NA50 - 2492025San Francisco, CaliforniaWhy Treeline ?
- a16z-backed with world-class engineering
- AI-powered IT that actually scales with you
- White-glove service, not cookie-cutter MSP
Technology should drive growth, not create risk, downtime, or constant fire drills. For over 25 years, Acorn IT Services has helped businesses eliminate IT instability, reduce cybersecurity exposure, and scale with confidence through fully managed IT, cloud, and security solutions. We serve mid-sized organizations that cannot afford downtime, compliance gaps, or reactive IT. What We ... read Acorn IT Services reviews & insights
$50 - $99/hr50 - 2492000Ontario, CaliforniaWhy Acorn IT Services?
- 24-7 IT Support
- IT Leadership towards your business goals
- 25 years in business
PayNearMe builds technology to transform the payment experience for businesses and their customers. With PayXM™, the industry’s first platform purpose-built for Payment Experience Management, every touchpoint of the payment journey is simple—driving satisfaction, accelerating payments, and lowering the total cost of acceptance. A single platform, contract and integration supports all major payment types and channels, ... read PayNearMe reviews & insights
$50 - $99/hr250 - 9992009Santa Clara, CaliforniaWhy PayNearMe?
- Proven results and data-driven strategies
- Experienced and dedicated team
- Transparent communication and reporting
CMMC IT Support is a U.S.-based firm specializing in Cybersecurity Maturity Model Certification (CMMC) Level 2 compliance for Department of Defense contractors. They offer comprehensive services, including gap analysis, documentation, implementation, and ongoing managed IT support. Their structured approach ensures clients meet all 110 practices and 320 assessment objectives required for certification. With hands-on assistance ... read CMMC IT Support reviews & insights
NA10 - 492000San Diego, CaliforniaWhy CMMC IT Support ?
- Trusted cybersecurity compliance & support
- Fast, reliable managed IT solutions
- Expert risk reduction & audit readiness
Accorp Partners is a CPA-led consulting firm providing cybersecurity, compliance, and audit services, including SOC 1, SOC 2, SOC 3, ISO, HIPAA, GDPR, and CMMC. We support startups and enterprises in achieving global compliance standards.
NA10 - 492010California City, CaliforniaWhy Accorp Partners?
- Trusted SOC compliance experts
- Scalable solutions for startups & enterprises
- Client-focused, transparent approach
TRM Labs is a blockchain intelligence company that helps financial institutions, crypto businesses, and government agencies detect and investigate crypto-related financial crime and fraud. Every day, we tackle challenges in data engineering, data science, and threat intelligence to advance our mission to build a safer financial system for billions of people.
$50 - $99/hr250 - 9992018San Francisco, CaliforniaWhy TRM Labs?
- On-time delivery and reliable support
- Affordable pricing with high quality
- Strong focus on client satisfaction
Using AI Tools
ChatGPT
ABSO Technologies is a full-service Managed IT Services provider dedicated to delivering reliable, secure, and scalable technology solutions for businesses, municipalities, and non-profits across Northern California. Our core services include network management, cybersecurity, cloud solutions, data backup and recovery, help desk support, VoIP systems, and structured cabling. We take a proactive approach to IT by ... read ABSO Technologies, Inc. reviews & insights
$50 - $99/hr10 - 492021Rancho Cordova, CaliforniaWhy ABSO Technologies, Inc.?
- 100 percent In-House Experts. No Outsourcing.
- Proactive IT That Prevents Problems
- Enterprise-Level IT at Competitive Rates
Using AI Tools
Copilot
Since our inception in 2001, we have delivered consistent and reliable expert IT support to small and medium-sized businesses in San Diego County. We leverage our experience, status as a partner with key vendors like Microsoft® and VMware®, and our proven ability to provide full-service systems integration, support and maintenance to support all of your ... read Kazmarek Technology Solutions, Inc. reviews & insights
$150 - $199/hr10 - 492001San Diego, CaliforniaWhy Kazmarek Technology Solutions, Inc.?
- Professionally managed company.
- Listen twice as much as we speak.
- Always have security in mind.
Using AI Tools
- Automation Anywhere
- Natural Language Processi
Elevance Systems is a 100% healthcare-focused IT services company dedicated to building secure, resilient, and digital-first IT environments for healthcare organizations. With over a decade of experience in healthcare IT and a strong global presence across North America, Central America, UAE, and India, Elevance Systems supports health systems, payers, clinical networks, and physician groups in ... read Elevance Systems reviews & insights
$300+/hr1,000 - 9,9992015Cupertino, CaliforniaWhy Elevance Systems?
- AI Driven Healthcare Innovation
- Secure Scalable Data and System Integration
- Operational Efficiency with Real Results
Using AI Tools
Claude
Rollout AI provides growing businesses with a fully managed, AI-native IT department. Founded by operators from Google, DeepMind, and Apple, we bring the strategic rigor and modern tooling of top tech companies to professional services firms — law practices, financial services, property management, and growing SMBs. We handle everything a traditional MSP does — helpdesk, ... read Rollout AI reviews & insights
$150 - $199/hr2 - 92025San Francisco, CaliforniaWhy Rollout AI?
- Founded by Google, DeepMind, and Apple vets
- AI automation built into every engagement
- Direct engineer access, no sales middlemen
Using AI Tools
- Claude
I apply my technical skills and passion for AI integration and security to protect data and networks from malicious attacks. I have years of experience in conducting vulnerability assessments, penetration testing, and ethical hacking for various clients and industries, using Red Hat tools and methodologies. I have configured and deployed multiple AI Forges. I hold ... read DOD Cyber Consulting LLC reviews & insights
$100 - $149/hr2 - 92025San Diego, CaliforniaWhy DOD Cyber Consulting LLC?
- Honest
- Dependable
- Fair
Using AI Tools
- OpenClaw
- ConnectWise Manage
- Kaseya VSA
- Microsoft Copilot
- Datto RMM
- + 1 More
BrightWorks IT is a managed IT services provider (MSP) built by uniting respected local IT companies across six offices nationwide. We deliver proactive managed IT support, cybersecurity, cloud solutions, backup & disaster recovery, IT consulting, and compliance services to small and mid-sized businesses with 20 to 500 employees. Our clients span healthcare, legal, manufacturing, nonprofit, ... read Brightworks IT reviews & insights
$150 - $199/hr10 - 492022Thousand Oaks, CaliforniaWhy Brightworks IT?
- Multi-Location Coverage with Local Expertise
- Proactive, SLA-Driven Support
- Single Point of Accountability Across IT
Using AI Tools
- ChatGPT
KaufmanIT is a reliable IT solutions provider based in Irvine, CA, offering advanced technology services for businesses of all sizes. Our expertise includes IT consulting, cybersecurity, cloud solutions, and managed IT services to ensure smooth operations and strong data protection. With a customer-focused approach, we help businesses improve efficiency, strengthen IT infrastructure, and support long-term ... read KaufmanIT Inc. reviews & insights
NA10 - 492010California City, CaliforniaWhy KaufmanIT Inc.?
- Delivered measurable results
- Maintaining clear and honest communication
- Attention to detail
Using AI Tools
- ChatGPT
Fidelis Security® is the industry innovator in proactive cyber defense, safeguarding modern IT for global enterprises with proactive XDR , NDR , EDR and CNAPP platforms. Our team of experts come with years of experience and strive towards making cybersecurity easy for you.
NA250 - 9992002Riverside, CaliforniaWhy Fidelis Security?
- Best Cybersecurity Solutions
- Cybersecurity Solutions
- Detect and Respond to Threats
Using AI Tools
- ChatGPT
Reliable managed IT services provider offering 24/7 IT support, cybersecurity, cloud solutions, network management, and proactive monitoring for businesses of all sizes. We help companies improve security, reduce downtime, and scale efficiently with expert IT support.
$50 - $99/hr10 - 492021Wilmington, CaliforniaWhy managed service provider?
- Proactive IT Support
- Fast Response
- Secure Cloud
Founded in 2013, Squareboat is a design‑first technology company trusted by startups and enterprises across the globe. We build products that are fast, scalable, and delightful to use. What we do: 1. Web & Mobile Development: Future‑ready platforms that power growth and handle scale effortlessly. 2. AI & Machine Learning: Intelligent solutions that drive data‑backed ... read Squareboat reviews & insights
$50 - $99/hr50 - 2492013San Francisco, CaliforniaExcellent Understanding of requirements and ability to convert that into a solution
- Founder
DataEntryIndia.in is an end-to-end data support and BPO/BPM service provider with over 25 years of industry experience and 850+ full-time employees. We have served over 3,500 global businesses, including Vodafone, Pepsico, Bose, and Panasonic. Our industry partners encompass multiple verticals, including healthcare, real estate, legal, banking, finance, and insurance. Our organization holds ISO 9001:2015 certification ... read Dataentryindia.in reviews & insights
NA250 - 9991999Laguna Beach, CaliforniaExcellent service quality
- Anonymous
Reinforce Global is a dynamic technology company with a demonstrated experience of providing end-to-end software development, mobile app development and website development solutions to global enterprises. With a professional team of programmers, coders, app developers, testers, code reviewers, quality assurance, Reinforce Global augments the digital growth goals of global organizations looking to take benefit of ... read Reinforce Global reviews & insights
$25 - $49/hr10 - 492018Anaheim, CaliforniaJob well done
- Anjana Rathore
TechMatter is a top-tier software company based in the US and Pakistan, known for delivering high-quality custom and enterprise software development services. Founded in 2017 by Mubashir Hanif, TechMatter has become a trusted partner for businesses looking to turn complex problems into smart, scalable solutions. Our team follows a well-structured process with strict quality standards ... read TechMatter reviews & insights
< $25/hr50 - 2492017Glendale, CaliforniaCustom software for our startup
- CEO
Partnering with Amz Experts for e-commerce passive income is hassle-free because our ecommerce marketing agency provides a done-for-you solution that follows a process we’ve been perfecting for over a decade. We create uniquely customized solutions for your business and your target audience. Our ecommerce experts will work with you one-on-one to create a strategy that ... read amz experts reviews & insights
$150 - $199/hr10 - 492022Camino, CaliforniaTheir group was proactive, well-coordinated,
- IT Manager
Software Development Was Never Meant to Be This Hard. Beehive redefines the standards. We split your project into microtasks, assign them to senior engineers, and stitch the flow together all with the power of AI. We are the world's first parallel software production system, built to deliver functioning products at record speed, highest precision, and instant scalability. ... read Beehive Software reviews & insights
$25 - $49/hr50 - 2492021San Jose, CaliforniaGreat service, a pleasure to work with
- Anonymous
ESOF, A Next-Generation of Vulnerability Management, Detection and Response Platform. Get in touch with our team today to empower your organization.
NA50 - 2492013San Francisco, California
Established in USA, Wordsuccor Ltd. is a well known WordPress development company. Being a trusted name in the world of website and web development, we are committed to rendering exceptional services in across the globe. Out passionate and determined developers make it possible for us to carry WordPress development services efficiently and ensure custom-tailored solutions ... read WordSuccor Ltd. reviews & insights
< $25/hr50 - 2492010Santa Monica, CaliforniaDeal Website Development
- SEO Strategist Digital muscle Limited
YouTeam is a marketplace for building offshore software development teams. We leverage the dynamic availability of talent across the network of 400+ trusted dev shops in 35 countries. As a result, our customers are able to handpick engineers for their offshore team and get the work started within 48 hours. Every engineer passes 3 levels ... read YouTeam reviews & insights
$25 - $49/hr10 - 492014Mountain View, CaliforniaDelivered high-quality products.
- Marketing Manager
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
- Founder/CEO
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