Top IT Services Companies in California

Researched by:Goodfirms Research TeamUpdated:November 8, 2026

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.

Rank
Company
Rating
Reviews
Hourly Rate
Team Size
Founded
Location
Action

List of IT Services Companies in California | Top IT Firms in California

Find a IT Services Company Near you
Find a IT Services Company Near you
Service
Hourly Rate
Employees
ReviewsAll Companies
Industry
Client Type
  • We provide technology solutions for Orange County businesses in all industries. We handle your day-to-day operations, from cloud services to data backups. Our team is made up of certified IT experts who are ready to help you tackle all kinds of technical concerns. ... read Affant reviews & insights

    NA
    250 - 999
    Costa Mesa, United States
  • We’ve literally traveled the globe to vet thousands of software development firms. Because no one else did. Our global certified partner network is the best of the best, and we’ll help you onboard, manage, and optimize outsourcing teams for digital advantage. ... read Accelerance reviews & insights

    < $25/hr
    10 - 49
    2001
    Redwood City, United States
  • At Moonhub we find the best talent, so you don't have to! Our professional team has made automation solutions, which helps you find the Best Candidates for your recruiting needs. For your work, hire highly engaged permanent or elastic workforce. To assist you in finding the best personnel quickly, our recruiters screen millions of profiles ... read Moonhub reviews & insights

    < $25/hr
    2 - 9
    Tustin, United States
  • Are you a small business requiring assistance regarding Cyber security, It consultation, IT support among other things of that nature? We at One82 are here to help you achieve your IT initiatives and improving your IT systems. We are the best IT consulting firm California as we have a solid record of success that proves ... read One82 reviews & insights

    NA
    10 - 49
    1999
    Los Gatos, United States
  • StartupSoft is a Ukrainian staff augmentation company focused entirely on working with tech startups. Our company started from a failed startup in 2016, so we have a common mindset and past pains. We help up-and-coming tech companies from Silicon Valley, and other tech hubs across the US and Canada build their offshore and nearshore development ... read StartupSoft reviews & insights

    $25 - $49/hr
    250 - 999
    2016
    San Francisco, United States
  • KingsGuard is a San Diego Cybersecurity company that specializes in complex and innovative security solutions for companies throughout Southern California. As a collective of highly technical engineers and developers offering decades of security expertise, KingsGuard solves the most complex challenges faced by today’s leading organizations across an ever-evolving digital threat landscape. ... read KingsGuard reviews & insights

    $150 - $199/hr
    2 - 9
    2022
    San Diego, United States
  • Sirius Design Group is a global leader and innovator in digital real estate, passive income and intellectual property monetization. We offer our clients a proprietary blend of high tech marketing strategy and unparalleled innovation to online business startup, growth and development. We are a collective of visionaries, creators, marketers and technologically successful human talent. Our ... read Sirius Design Group reviews & insights

    NA
    10 - 49
    2015
    Palo Alto, United States
  • SHE Group is a German-Romanian software development company that offers you high quality software outsourcing to Europe at a fair price. With over 250 employees, we have a wide pool of highly qualified software engineers who can start working on your project within a few days. Our customers appreciate more than 35 years of experience, ... read SHE Group reviews & insights

    $25 - $49/hr
    250 - 999
    1987
    San Diego, United States
  • DevelopersPerHour is a leading provider of dedicated developers, offering flexible hiring options on an hourly or monthly basis. With a team of highly skilled professionals, we assist businesses in augmenting their development capacity and delivering exceptional software solutions. At DevelopersPerHour, we understand that finding the right talent for your projects can be a time-consuming and ... read DevelopersPerHour reviews & insights

    < $25/hr
    2 - 9
    2023
    Commerce, United States
  • 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. ... read The Tech Consultants reviews & insights

    NA
    10 - 49
    Woodland Hills, United States
  • B STATE is the leading organizational consultant specializing in delivering leadership development and training to large-size businesses, and teams. Our unique approach addresses the frustrations of senior leaders, helping them overcome performance challenges, resource limitations, talent retention issues, revenue gaps, and more. We offer proven systems of training and consultancy leading to a change in ... read B STATE reviews & insights

    NA
    2 - 9
    1986
    Los Angeles, United States
  • At 7th Di Technologies (formerly 7th Dimension), we relieve your IT pains while helping your business grow. We specialize in working with companies that are too small to house their own IT department, or with corporations looking to save money by contracting their IT work to us. Covering everything from network design to disaster recovery, ... read 7th Di Technologies reviews & insights

    NA
    10 - 49
    2008
    Sacramento, United States
  • Welcome to 11:59, where we unlock the art of the possible. As a specialized professional services consulting firm, we empower businesses with future-friendly technology solutions. Our seasoned team of former big four consulting executives leads the way, ensuring your digital and business transformation efforts are met with deep expertise and unwavering support. What sets us ... read 11:59 reviews & insights

    NA
    2 - 9
    Sacramento, United States
  • Welcome to KDIT, your trusted IT company offering tailored Managed IT Services in Huntington Beach. We are committed to delivering high-quality IT support to all our clients. Our dedicated team is incredibly friendly, guiding you every step of the way in growing your business. Our expertly combined services provide customized IT support in Huntington Beach, ... read KDIT reviews & insights

    NA
    50 - 249
    2015
    Huntington Beach, United States
  • At nDataStor, our utmost priority is our clients. We are the leading San Jose managed IT services providers that puts the customer at the forefront. Managed IT and managed security don’t benefit your business if they are not serving your employees and, more importantly, empowering your team to serve your clients. Our IT company in ... read nDataStor reviews & insights

    NA
    50 - 249
    2013
    San Jose, United States
  • We offer managed IT services, VoIP, and Cloud Services to help businesses thrive with seamless communication, technology security, and data storage. With Projects and Consulting, having an expert on your side makes the difference. Get one-off IT assistance and plan future infrastructure changes ... read Vertical Computers reviews & insights

    NA
    2 - 9
    Chino, United States
  • IaaS with a focus on Learning and Proof of Concept Labs, CloudMyLab has been transforming the IT lab landscape since 2016. Partners can utilize a global network of high-performance datacenters to simulate any lab or POC environment, eliminating the need for expensive hardware and software. ... read Cloudmylab reviews & insights

    $25 - $49/hr
    10 - 49
    2016
    Dublin, United States
  • 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

    NA
    2 - 9
    0
    Walnut Creek, United States
  • Established in 2013, to deliver the highest level of IT support services and cyber security to a variety of business and industries. We mark out several principles that are fundamental when it goes to securing your data and Internet connection. These principles are simplicity, result orientation and professionalism. From designing the personalized IT solution for ... read InBlue IT Solutions reviews & insights

    < $25/hr
    2 - 9
    Orange County, United States
  • BRITECITY is an award-winning IT company dedicated to serving small businesses in Orange County, CA. We provide the best service possible by getting the job done right the first time. If a problem does arise, we have 24/7 remote and on-site support to help you out. Our team of expert IT professionals will work with ... read BRITECITY reviews & insights

    < $25/hr
    2 - 9
    Orange County, United States
  • Datarecovee is delivering excellent solutions for data recovery to individuals and enterprises across the globe. Our software go through multiple level of testing to ensure that it will solve the biggest and most challenging problem in the world of Data Recovery. With guareented results we are provide the best possible solutions to companies. ... read Datarecovee reviews & insights

    NA
    2 - 9
    2024
    Los Angeles, United States
  • We alleviate Netsuite challenges to help you achieve your company mission

    NA
    2 - 9
    2018
    Los Angeles, United States
  • Urban IT, Inc. was founded in 2002 to provide comprehensive managed IT and cybersecurity solutions to small and medium-sized businesses in Southern California. Our mission is to establish enduring partnerships with our clients by consistently delivering professional IT management and support services. We excel in offering tailored technology solutions that meet each client’s unique needs, ... read Urban IT, Inc. reviews & insights

    $150 - $199/hr
    2 - 9
    2002
    Westlake Village, United States
  • SalvageData is a leading data recovery expert. We offer 24/7 emergency data loss support for any data storage device of any brand. With over a 96% success rate, we help businesses and individuals to regain access to their files. Our highly trained engineers provide ISO-certified data recovery services employing the most advanced equipment and procedures. ... read SALVAGEDATA-Recovery reviews & insights

    NA
    50 - 249
    2003
    Los Angeles, United States
  • Using AI Tools

    • ChatGPTChatGPT

    Castellan delivers reliable IT solutions that help small and midsize businesses improve efficiency, security, and long-term performance. We specialize in cloud services, cybersecurity, network management, data backup, disaster recovery, and strategic IT consulting tailored to your business needs. Our managed IT services in Orange County provide proactive monitoring, maintenance, and support to minimize downtime and ... read Castellan Inc reviews & insights

    $25 - $49/hr
    2 - 9
    1999
    Calabasas, United States

    Why Castellan Inc?

    • 20 Years of IT Experience
    • Customized and Scalable IT Solutions
    • Reliable Support and Strong Security
  • 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/hr
    2 - 9
    2016
    Belmont, United States
  • 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/hr
    1,000 - 9,999
    1992
    San Diego, United States
  • The Good IT Company offers reliable and professional IT support and security services for businesses throughout Los Angeles and beyond. By outsourcing your tech needs to a reliable IT managed service provider, you can spend more time doing what you do best, allowing your business to thrive while we protect your network. We effectively become ... read The Good IT Company reviews & insights

    $150 - $199/hr
    10 - 49
    2020
    Castaic, United States
  • Techmedics has been helping businesses succeed since 1999, when founders James and Helen Moon saw a gap in the market — small and mid-sized businesses were often left behind when it came to quality IT support. With backgrounds in enterprise IT, they set out to change that by creating a company that delivers high-level technical ... read Techmedics reviews & insights

    NA
    10 - 49
    1999
    Pasadena, United States
  • Using AI Tools

    • ClaudeClaude

    OCMSP is a trusted Managed Service Provider (MSP) based in Newport Beach, Orange County, California, serving businesses across Irvine, Newport Beach, Costa Mesa, Tustin, Santa Ana and surrounding areas. We specialize in delivering IT support, cybersecurity solutions, and compliance services to law firms, medical practices, accounting firms and small to mid-sized businesses.Our mission is simple: ... read OCMSP reviews & insights

    $100 - $149/hr
    2 - 9
    2005
    Newport Beach, United States

    Why OCMSP?

    • Serving Orange County businesses since 2005
    • Compliance-focused IT and cybersecurity
    • Fast, Local, Proactive, and personal support
  • Founded in 2024, our company is built on over 20 years of real-world IT experience. While the business itself is new, the people behind it have been solving tech problems and supporting businesses for decades. We provide Managed IT Support and Services that are reliable, responsive, and tailored to your unique needs. From everyday helpdesk ... read Adib Technologies reviews & insights

    $50 - $99/hr
    2 - 9
    2024
    Tracy, United States
  • GTI has been serving the Orange County area since 2004, providing IT Support such as technical helpdesk support, computer support, and consulting to small and medium-sized businesses. Our goal's always been to provide enterprise-level IT practices and solutions to the small business sector, with small business prices. Our experience has allowed us to build and ... read GTI Technology Simplified reviews & insights

    NA
    2 - 9
    2004
    Tustin, United States
  • Castaneda Networks LLC is a California-based minority-owned technology consultancy specializing in Geographic Information Systems (GIS), data analytics, and geomarketing solutions. We provide customized services to public agencies and private-sector clients, helping them visualize, analyze, and act on spatial data through innovative mapping platforms, location intelligence, and technology integration. Our offerings include GIS consulting, asset management, ... read Castaneda Networks LLC reviews & insights

    $100 - $149/hr
    2 - 9
    2024
    West Covina, United States
  • Innovatia Technical Services delivers end-to-end solutions with over 20 years of industry experience and a team of 300+ global experts. Our flexible pricing, 24/7/365 support, and unwavering commitment to excellence ensure seamless service at every step. From business professional services and technical support to cloud solutions and business process outsourcing, we empower organizations to scale ... read Innovatia Technical Services Inc. reviews & insights

    $25 - $49/hr
    50 - 249
    2025
    Wilmington, United States
  • TWE Solutions, Inc. delivers enterprise-grade IT and cybersecurity services that help businesses align technology with strategic goals. We specialize in co-managed IT services, network security, cloud migration, and infrastructure modernization—all designed for scalability, stability, and compliance. Our certified, U.S.-based engineers provide 24/7 support and real-time threat detection, ensuring maximum uptime and performance for mission-critical environments. ... read TWE Solutions reviews & insights

    $200 - $300/hr
    10 - 49
    2014
    El Segundo, United States
  • Flexis specializes in providing flexible service solutions tailored for MSPs and mid-sized businesses. Our mission is to ensure your IT environment, applications and end users achieve optimal uptime, receive robust support, and all while maintaining the highest security standards. Leveraging our comprehensive suite of NOC, SOC, and Help Desk services, we support your business where ... read Flexis IT reviews & insights

    < $25/hr
    250 - 999
    2013
    Santa Clara, United States
  • At VoicePath, we specialize in cloud-based phone systems utilizing advanced VOIP technology to empower local businesses. Our services include seamless communication solutions with free long-distance calling across North America, ensuring your team stays connected without interruptions. We also service existing older and legacy phone systems, providing upgrades and support. Our offerings extend to phone hookup ... read VoicePath Convergence Group reviews & insights

    $25 - $49/hr
    2 - 9
    1995
    Ontario, United States
  • Looking for comprehensive IT services? BayoTech IT Solutions offers Managed IT Services in California, including cybersecurity, VoIP, remote IT support, backup services, and network security. Keep your business secure and efficient. Visit Our Website to get started today. ... read Bayotech IT Solutions reviews & insights

    NA
    2 - 9
    2020
    Sacramento, United States
  • 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 ... read CQR Cybersecurity reviews & insights

    $50 - $99/hr
    10 - 49
    2024
    San Francisco, United States
  • 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/hr
    10 - 49
    2024
    Sunnyvale, United States
  • OutsourceITSecurity.com is a specialized platform offering professional-grade IT security outsourcing services to businesses of all sizes. With cyber threats evolving faster than ever, companies need reliable, scalable, and cost-effective protection for their digital infrastructure. Our services include managed firewalls, endpoint security, network administration, threat detection, SIEM integration, and regulatory compliance assistance. We connect you with ... read Outsource IT Security reviews & insights

    $25 - $49/hr
    2 - 9
    2019
    Los Angeles, United States
  • 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/hr
    10 - 49
    2020
    Chatsworth, United States
  • 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/hr
    2 - 9
    2001
    Glendale, United States
  • 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/hr
    10 - 49
    2016
    San Francisco, United States
  • 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/hr
    2 - 9
    2002
    Calabasas, United States
  • 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 & ... read Acuvity Consulting USA Inc. reviews & insights

    $200 - $300/hr
    10 - 49
    2013
    Livermore, United States
  • 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/hr
    2 - 9
    2023
    Sunnyvale, United States
  • 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/hr
    10 - 49
    2020
    Marina del Rey, United States

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