Top IT Services Companies in California
Goodfirms has reviewed 818 IT Services Companies in California as of November 2026. The top-ranked firm is Instinctools (4.9 stars, 27 verified reviews, $25 - $49/hr, founded 2000, San Francisco). Across the category, the median hourly rate is $25, median client rating is 4.9, and 33% of firms employ 50+ members. Explore the vetted IT Services Companies in California below, compare their strengths, and connect with the provider best suited to your requirements.
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.
Goodfirms has verified 818 IT Services Companies in California - part of 18,244+ IT Services Companies, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.
Top 10 at Glance
Compare the highest-ranked firms first side by side.
List of IT Services Companies in California | Top IT Firms in California
Using AI Tools
ChatGPT
Claude
Lovable
IT Staff Augmentation Services is a technology staffing partner that helps businesses extend their development teams with skilled and experienced IT professionals. We enable companies to quickly add the right technical expertise to their projects while maintaining control over their teams, workflows, and product development.From startups and SMBs to established enterprises, we provide flexible solutions ... read IT Staff Augmentation Services reviews & insights
$25 - $49/hr50 - 2492020San Francisco, United StatesWhy IT Staff Augmentation Services?
- Access skilled, vetted IT professionals
- Scale teams quickly with flexible staffing
- Reliable talent aligned with your project needs
Using AI Tools
Canva
Sparient is a global IT services and consulting partner helping organizations navigate growth and transformation in the AI-driven digital era. We bring deep technology expertise and a proven track record across diverse industries, enabling enterprises to design and execute highly customized solutions aligned to their business objectives. Our strength lies in understanding complex technology landscapes ... read Sparient reviews & insights
NA50 - 2492015Rancho Cucamonga, United StatesWhy Sparient?
- Full-stack capability under one roof.
- Deep vertical experience.
- Partnership over transactions.
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ChatGPT
Bulwark Advisory is a cybersecurity consulting company focused on Product Security, Application Security, DevSecOps, cloud security, and secure software development.We help startups, scale-ups, technology companies, SaaS providers, and engineering-driven organizations build and improve practical security programs without slowing down product delivery.Our services include Product Security program assessments, secure architecture reviews, threat modeling, Application Security, DevSecOps ... read Bulwark Advisory reviews & insights
$100 - $149/hr10 - 492025San Francisco, United StatesWhy Bulwark Advisory?
- 15 years of cybersecurity expertise
- Hands-on Product Security & DevSecOps
- Security that supports business growth
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ChatGPT
Canva
Gemini
Grammarly
Customized Technology Roadmaps That Modernize Office Infrastructure and Deliver Business Outcomes.We are a managed services company. Our services include:Managed IT ServicesManaged Print ServicesUnified communications ... read Excel Office Services reviews & insights
$150 - $199/hr10 - 492014Los Angeles, United StatesWhy Excel Office Services?
- We create technology roadmaps
- We deliver a world class customer experience
- We explain why you need what we recommend
Using AI Tools
cl
Zyene designs, builds, and integrates production AI for wholesale distributors, manufacturers, and specialty contractors. We connect email, documents, and spreadsheets with existing ERP, CRM, MES, accounting, and field systems to automate orders, RFQs, quotes, bids, and knowledge search, with human approval where judgment matters. ... read Zyene reviews & insights
NA2 - 92025San Francisco, United StatesWhy Zyene?
- AI built around industrial workflows
- Integration with existing business systems
- Human approval where judgment matters
Using AI Tools
Gemini
TechiT Services is a San Diego IT support company providing managed IT services and business IT support for small and mid-sized companies in La Jolla, UTC and across San Diego County. Our Microsoft-certified team delivers IT services and support, network support, cybersecurity services, remote IT support, Microsoft 365 and cloud management, Wi-Fi, data backup and ... read TechiT Services reviews & insights
$150 - $199/hr2 - 92012San Diego, United StatesWhy TechiT Services?
- Microsoft-certified Microsoft 365 and Azure team
- Three San Diego offices, one local team
- One accountable partner for IT and security
Using AI Tools
X-PHY AI
X-PHY Inc. is a California-headquartered cybersecurity company established in 2021 and part of the Flexxon Group. It builds AI-embedded, hardware-based security for storage devices, with protection built in at the physical layer so threats can be detected and stopped in real time. Its patented portfolio supports zero-trust protection for endpoints, servers and data centres. Address: ... read X-PHY Inc. reviews & insights
NA10 - 492021Cupertino, United StatesWhy X-PHY Inc.?
- Hardware-level AI threat protection
- Real-time defence for endpoints and servers
- Over 50 patents in AI-embedded security
Using AI Tools
Claude
Founded in 1999, Pro Link Systems is a managed IT services provider based in Woodland Hills, California, serving businesses throughout Greater Los Angeles. We specialize in managed IT support, cybersecurity, cloud solutions, Microsoft 365, backup and disaster recovery, and IT consulting. Our team provides proactive monitoring, reliable technical support, and strategic IT solutions to help ... read Pro Link Systems reviews & insights
NA2 - 91999Woodland Hills, United StatesWhy Pro Link Systems?
- Over 25 years serving Los Angeles businesses
- Reliable IT support from experienced engineers
- Proactive cybersecurity and cloud expertise
Using AI Tools
Claude
Founded in 2001, IT Total Care is a veteran-owned Managed IT Services Provider (MSP) serving businesses across the San Francisco Bay Area. We deliver full-service IT outsourcing, network administration, cybersecurity, cloud solutions, and responsive end-user support, and HIPAA IT compliance support so your team can work securely and efficiently. With over 25 years of local ... read IT Total Care reviews & insights
NA10 - 492001Foster City, United StatesWhy IT Total Care?
- Service Quality
- Expertise
- Responsiveness
Using AI Tools
AI-powered tools
Accutive Security is a cybersecurity consulting firm specializing in cryptography, data protection, and identity security. We help organizations design, modernize, and manage enterprise security programs across Public Key Infrastructure (PKI), Certificate Lifecycle Management (CLM), Code Signing, Secrets Management, Key Management, Hardware Security Modules (HSMs), and Identity and Access Management (IAM).Our end-to-end consulting services cover security ... read Accutive Security reviews & insights
NA50 - 2492009Aliso Viejo, United StatesWhy Accutive Security?
- Expert Cybersecurity Solutions
- Trusted PKI and Certificate Management
- Strong Identity and Access Security
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ChatGPT
Claude
Grok
AI threat detection (SOC
Xonicwave is a veteran-owned managed IT services and cybersecurity provider headquartered in San Diego, serving small businesses for 22 years (since 2004). Our flat-rate plans include unlimited remote support with a 15-minute response time, 24/7 security operations center (SOC) monitoring, backup, cloud and IT consulting, with plans starting at $500/month. We back our work with ... read Xonicwave reviews & insights
NA10 - 492004San Diego, United StatesWhy Xonicwave?
- 15-minute response time
- Round-the-clock SOC monitoring
- Full satisfaction guarantee
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ChatGPT
Claude
Gemini
Atlantis Utility provides professional Business Phone Systems, Business VoIP, and cloud-based phone systems for businesses in Ventura County, California, and surrounding areas. We specialize in Hosted VoIP PBX, SIP Trunking, business telephone systems, phone system installation, and tailored communication solutions that help businesses improve call management, connectivity, and customer experience. Visit https://atlantisutility.com/ to explore our ... read Atlantis Utility INC reviews & insights
$50 - $99/hr10 - 491984Ventura, United StatesWhy Atlantis Utility INC?
- Business Phone Systems
- Business VoIP
- Security Cameras
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. ... read Squareboat reviews & insights
$50 - $99/hr50 - 2492013San Francisco, United StatesExcellent Understanding of requirements and ability to convert that into a solution
- FounderUsing AI Tools
GitHub Copilot
ScienceSoft is an AI transformation and software development company founded in 1989, serving global enterprises and mid-size organizations across a range of sectors, with a particular focus on healthcare, insurance, and investment management. With 750+ specialists on board and operations across the U.S., GCC, and ... read ScienceSoft USA Corporation reviews & insights
$50 - $99/hr250 - 9991989San Francisco, United StatesI'd highly recommend ScienceSoft for various testing needs
- Delivery LeaderWhy ScienceSoft USA Corporation?
- In AI & IT since 1989
- More than 4,300 successful projects
- ISO 9001 and ISO 27001 certified
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, ... read Dataentryindia.in reviews & insights
NA250 - 9991999Laguna Beach, United StatesExcellent service quality
- AnonymousReinforce 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 ... read Reinforce Global reviews & insights
$25 - $49/hr10 - 492018Anaheim, United StatesJob well done
- Anjana RathoreUsing AI Tools
Claude
MindK is a software development and IT consulting company that helps businesses build software products, automate business processes, and modernize technology and infrastructure. We build custom software up to 4x faster and 30-50% more cost-effectively through AI-accelerated engineering, a library of pre-built AI agents, and ... read MindK reviews & insights
$50 - $99/hr50 - 2492009San Francisco, United StatesIT company with great hard and soft skills
- Ievgen KliushnykWhy MindK?
- Healthcare expertise
- Ready-to-use AI agents
- Product owner's mindset
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 ... read amz experts reviews & insights
$150 - $199/hr10 - 492022Camino, United StatesTheir group was proactive, well-coordinated,
- IT ManagerSoftware 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 ... read Beehive Software reviews & insights
$25 - $49/hr50 - 2492021San Jose, United StatesGreat service, a pleasure to work with
- AnonymousESOF, A Next-Generation of Vulnerability Management, Detection and Response Platform. Get in touch with our team today to empower your organization. ... read TAC Security reviews & insights
NA50 - 2492013San Francisco, United StatesUsing AI Tools
Claude
Vision Quest is a specialized cybersecurity and managed services provider serving the Sacramento professional community. The organization focuses on solving the shortage of high-level technical talent by providing managed detection and response (MDR), endpoint protection, and network security monitoring.Key Areas of Focus:Cybersecurity Oversight: Actively managing "ghost networks" to detect and neutralize threats before they impact ... read Vision Quest Information Solutions reviews & insights
$150 - $199/hr2 - 91998Citrus Heights, United StatesWhy Vision Quest Information Solutions?
- Cybersecurity-first MSP
- Sacramento-based, local accountability
- Compliance expertise
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Claude
Axus Networks is a Burbank-based managed IT and cybersecurity company serving Southern California businesses and organizations since 2011. Services include managed IT, co-managed IT, cybersecurity, cloud services, backup and disaster recovery, IT consulting and vCIO, compliance (HIPAA, PCI DSS, CMMC, SOC 2), VoIP and hosted PBX, and structured cabling. The team provides 24/7 monitoring plus ... read Axus Networks reviews & insights
NA10 - 492011Burbank, United StatesWhy Axus Networks?
- Serving Southern California since 2011
- Around-the-clock monitoring and emergency support
- 15-minute critical response commitment
Using AI Tools
ChatGPT
Claude
Xentric Solutions is a managed IT services provider based in Woodland Hills, California, supporting businesses across Los Angeles since 2014. We take over the day-to-day work of keeping a company's technology secure, reliable, and ready for growth, so owners and teams can focus on running the business.Our services include fully managed IT and help desk ... read Xentric Solutions reviews & insights
NA2 - 92014Woodland Hills, United StatesWhy Xentric Solutions?
- IT, security and AI phones from one team
- Saved clients hundreds of thousands in losses
- Local to Woodland Hills, serving LA since 2014
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 ... read WordSuccor Ltd. reviews & insights
< $25/hr50 - 2492010Santa Monica, United StatesDeal Website Development
- SEO Strategist Digital muscle LimitedYouTeam 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 ... read YouTeam reviews & insights
$25 - $49/hr10 - 492014Mountain View, United StatesDelivered high-quality products.
- Marketing ManagerUsing AI Tools
Claude
Waverley Software is an AI-first strategic engineering partner helping technical leaders fix fragile systems, modernize legacy platforms, and build AI-native products. Its senior engineers use disciplined, AI-native delivery to turn prototypes and complex systems into secure, scalable, production-grade software faster, with visible quality and executive-level ... read Waverley Software reviews & insights
$50 - $99/hr250 - 9991992Palo Alto, United StatesTop shelf offshore team: dedicated, capable, tenacious, and reliable
- Head of Security & PrivacyWhy Waverley Software?
- AI-native delivery without trading away quality
- Accountable for one agreed outcome, not seats
- Accountable for one agreed outcome, not seats
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 ... read Zazmic reviews & insights
$25 - $49/hr50 - 2492014San Francisco, United StatesOutstanding quality, support and participation
- Founder/CEOUsing AI Tools
Microsoft 365 Copilot
Professional Computer Concepts, Inc. provides managed IT services and cybersecurity for small and midsize businesses in the San Francisco Bay Area. Founded in 2002 and based in Novato, California, PCC helps businesses manage their technology with IT support, cloud services, and IT strategy consulting. ... read Professional Computer Concepts Inc. reviews & insights
NA10 - 492002Novato, United StatesWhy Professional Computer Concepts Inc.?
- Serving Bay Area businesses since 2002
- Managed IT and cybersecurity expertise
- Support for small and midsize businesses
In this swiftly advancing digital era, our organization shines as a dynamic, forward-thinking leader in software development. We are committed to empowering clients with strategic guidance, innovative technology, and expert knowledge to navigate the complex digital landscape. Our team consists of top-tier talents from top ... read Anmel, Inc reviews & insights
$100 - $149/hr50 - 2492021San Francisco, United Statesimplementing forecast model for energy consumption
- Product Specialist GermanyAt Kindrix Group, we are shaping global growth through AI-driven innovation and intelligent IT solutions. As a trusted technology partner, we help businesses across industries evolve, scale, and lead in a digitally connected world. With expertise in artificial intelligence, automation, cloud, cybersecurity, and data-driven strategies, ... read KindrixGroup reviews & insights
$25 - $49/hr10 - 492025California City, United StatesMy overall experience was positive and the service delivered what I expected.
- AnonymousEvery day at FireEye, we see firsthand the impact of cyber-attacks on real people. This is what inspires us to fulfill our mission to relentlessly protect our customers from the impact and consequences of cyber attacks. FireEye has created a unique learning system. Our real-time knowledge of the threat landscape ensures that our offerings provide ... read FireEye reviews & insights
$25 - $49/hr1,000 - 9,9992004Milpitas, United StatesMariaDB frees companies from the costs, constraints and complexity of proprietary databases, enabling them to reinvest in what matters most – developing innovative, customer-facing applications rapidly. Trusted by organizations like Deutsche Bank, DBS Bank, Nasdaq, Red Hat, ServiceNow, Verizon and Walgreens – MariaDB meets the same core requirements as proprietary databases, but at a fraction ... read MariaDB reviews & insights
$25 - $49/hr50 - 2492006San Francisco, United StatesAn IT Network Consulting company specializing in network security, network design, implementation and support for Data, Wireless, and Voice networks. We're an efficient, competent, and have a quick turn-around time. ... read Accend Networks reviews & insights
< $25/hr10 - 492011San Jose, United StatesClickAway provides your organization with unmatched managed IT services that include the technological expertise and resources that support highly available, secure and flexible IT systems. We are knowledgeable in business as well as technology. ClickAway IT technicians provide you with a balanced perspective and real-world IT solutions that fit your unique business needs.Good small business ... read ClickAway IT Services + Computer Repair reviews & insights
NA50 - 2492002Los Altos, United StatesTLC Tech has been providing professional IT Support for businesses in and around Northern California since 2004. We strive to give our clients Enterprise-level services and solutions at prices that work for small businesses. Time and experience has helped us develop best practices and workflow procedures around a proactive philosophy designed to keep your focus ... read TLC Tech reviews & insights
< $25/hr10 - 492004Sacramento, United StatesStarted in 1987 as Swann Consulting Group, Tech-Hero IT Services is a premier Managed Services Provider (MSP) in Northern California. We use state of the art technologies to control IT costs and secure our clients' networks, servers, desktops and mobile devices. ... read Tech-Hero IT Services reviews & insights
< $25/hr2 - 91987Elk Grove, United StatesSweet Memory IT Services is a local, full service provider of IT Services, Support, Solutions and Computer Repair. Our Team of IT Professionals with In-Office and Remote monitoring maintenance services, provides unparalleled, end-to-end support ensuring that Critical IT Infrastructure is kept up and running, minimizing downtime and maximizing productivity. Monthly Flat Fee, Bundled Services, and ... read Sweet Memory reviews & insights
< $25/hr2 - 9San Francisco, United StatesTechsavies is a one stop-shop that can tailor an IT Solution which serves your day to day Business needs in the short and long-term. We provide our customers with Turn-Key solutions that allow them to focus on their business and not the technology that underlines their business operations. ... read Techsavies reviews & insights
< $25/hr2 - 9San Francisco, United StatesWe are here to help you. If you have no access to your hard disk drive or if you are not seen any partition or data, then you can bring your device for a full free diagnostic. ... read San Francisco Bay Computer Services reviews & insights
< $25/hr2 - 9San Francisco, United StatesOn Time Tech makes your technology work for you. When other companies put you on hold, On Time Tech puts you first. We are dedicated to providing quality computer support and service for small businesses. We care about your needs with a proactive personalized approach. Our goal is to minimize downtime and maximize productivity. ... read On Time Tech reviews & insights
< $25/hr10 - 492004San Francisco, United StatesThe Kotar family started a service & shop for office machines and computers back in the 1960s. However, at the break of the millennium, our IT business started to come across an increasing number of customers with broken computers who were more interested in getting back their valuable data than having their hardware repaired. That ... read Kotar Data Recovery reviews & insights
< $25/hr2 - 9San Jose, United StatesHey, IT happens, and when IT does, Quorum instant recovery solutions are there to get you out of IT, quickly and reliably! Whether IT is a Ransomware attack, a natural disaster or human error that wipes out key servers, systems, apps or data, having the right recovery solution in place BEFORE IT HAPPENS can turn ... read Quorum reviews & insights
< $25/hr10 - 492008San Jose, United StatesWe grew up with IT…and IT grew up around us. Since 1996, we’re still front and center in Silicon Valley and throughout California. The reason is simple: We continue to provide a supremely high level of IT services and support that’s unequalled (and in some quarters, unheard of) in the industry. Most IT providers can ... read USWired Inc. reviews & insights
$100 - $149/hr10 - 491996Campbell, United StatesFounded in 2022, SecurityGen is a global start-up focused on telecom security. We deliver a soslid security foundation for driving secure Telco digital transformations and ensuring next-gen enterprise intelligent connectivity. Our extensive product and service portfolio ensures complete protection against existing and advanced telecom security threats. ... read Securitygen reviews & insights
< $25/hr10 - 492022California City, United StatesThinkTek is a Managed Services Provider based out of Orange County, California that relies on its trusted customer service mindset, exceptional delivery performance and proven skillset - meeting your business needs any time.ThinkTek offers individual attention and value to every client, and our commitment to customer service is second to none in the industry. ThinkTek’s ... read ThinkTek reviews & insights
$25 - $49/hr2 - 9Orange County, United StatesSince 2004, our company’s name and reputation have become synonymous with state-of-the-art cybersecurity services in Los Angeles. Our elite team of experts has served as the outsourced IT department and undercover cyber-bodyguards for countless small- to medium-sized companies throughout Los Angeles and across the country. From medical institutions and law firms to marketing agencies, nonprofits, ... read Digital Uppercut reviews & insights
NA10 - 492004Valley Village, United StatesClonetab, the leading Virtualization and Cloning platform designed to accelerate test data delivery for ERPs and Databases. Our software stands out as the only solution capable of virtualizing and providing true end-to-end on-demand clones of ERPs, such as Oracle e-Business Suite and PeopleSoft, as well as databases. We offer a comprehensive integrated solution for virtualization, ... read Clonetab Inc reviews & insights
NA50 - 2492011Tracy, United StatesServices by Appointment Only. Computer Problem? Data Recovery? "Get Free Diagnostics" Remote and Onsite Support. Specializes in all Desktop, Laptop, and Server & Networking related issues to all our valued customers and businesses. We are your source for virtually all your IT repair needs. Network & Servers Services, Remote Access Services, VoIP Services, Hard Drive ... read Fiji IT Solutions reviews & insights
$100 - $149/hr2 - 92013Fremont, United States
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