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

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Hourly Rate
Employees
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Client Type
  • Using AI Tools

    • ChatGPTChatGPT
    • GitHub CopilotGitHub Copilot

    We are a fully remote company comprising Software Development experts spread across 6+ different countries with decades of technical know-how and cross-industry understanding of building technology solutions that enable businesses to scale fast. At Bluelight, our commitment is to help companies succeed by providing cutting-edge ... read Bluelight reviews & insights

    $100 - $149/hr
    10 - 49
    2019
    Sacramento, United States
    Web & Mobile App Development for an Online Banking Startup - Co-Founder & CEO at Relay

    Why Bluelight?

    • Elite LATAM engineers in your timezone
    • 2-week risk-free trial, no long-term lock-in
    • Clutch Top 100 and SOC 2 compliant
  • 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 ... read Appingine reviews & insights

    $25 - $49/hr
    50 - 249
    2008
    Los Angeles, United States
    sjkjvjsjfjkfkfk - Michael Oladipupo
  • Using AI Tools

    • GeminiGemini

    Spiral Scout builds AI agent systems and production workflow automation for companies that need more than a proof-of-concept.Founded in San Francisco in 2010, we are a team of 120+ engineers with 16 years of production engineering behind us. We are a certified Temporal Solution Provider, ... read Spiral Scout reviews & insights

    $50 - $99/hr
    50 - 249
    2010
    San Francisco, United States
    Working with Spiral Scout was quick, easy, and highly efficient. - Chief Medical Officer

    Why Spiral Scout?

    • Production-grade AI, not demos
    • You own the system, zero vendor lock-in
    • Temporal-certified, Wippy runtime creators
  • Since 2008 we have done nothing but work and specialize in Software Engineering Alto refers to ¨high¨ in Spanish. It also refers to Palo Alto, California, where the company was founded, even though the two co-founders are from the other side of the planet, Argentina. ... read Alto reviews & insights

    NA
    50 - 249
    2014
    Palo Alto, United States
    Excellent team - Founder
  • Yellowstone Labs is a software staff augmentation company focused on helping organizations build and maintain reliable engineering capacity without the challenges of constant hiring or team turnover. We provide full-time software engineers who work alongside client teams, contributing directly to product development, system enhancements, and ... read Yellowstone Labs reviews & insights

    $25 - $49/hr
    10 - 49
    2024
    Signal Hill, United States
    Yellowstone Labs' AI and offline features transformed our platform, exceeding expectations. - CTO
  • Gearheart

    Pro Verified

    Using AI Tools

    • GitHub CopilotGitHub Copilot
    • CursorCursor
    • LovableLovable
    • PerplexityPerplexity
    • ClaudeClaude
    • + 2 More

    Gearheart is a product development studio specializing in operational workflow-heavy B2B SaaS platforms — the kind where permissions, data isolation, and workflow logic determine whether the product actually holds up at enterprise scale.We engage at the start of a build, or when a product has ... read Gearheart reviews & insights

    $50 - $99/hr
    10 - 49
    2012
    San Francisco, United States
    The team was great to work with and most importantly delivered results. - Founder
    Visit Website

    Why Gearheart?

    • 14 Years in B2B SaaS
    • Senior-Only Team
    • Enterprise-Level Expertise
  • Using AI Tools

    • ChatGPTChatGPT

    GeekyAnts is an AI-powered digital product engineering and consulting company helping startups, enterprises, and Fortune 500 brands build scalable, future-ready digital solutions. Since 2006, we have delivered 800+ successful projects for 550+ global clients across healthcare, BFSI, retail, logistics, education, and enterprise technology.We help businesses ... read GeekyAnts reviews & insights

    $25 - $49/hr
    250 - 999
    2006
    San Francisco, United States
    GeekyAnts is a premier FinTech engineering powerhouse that seamlessly blends secure financial app - Chief Strategy Officer at bunq

    Why GeekyAnts?

    • Strategic Problem Solvers
    • AI-Native, Enterprise-Ready
    • Trusted Long-Term Partners
  • Nefter helps U.S. companies scale their engineering teams with top-tier LATAM developers. Our staffing model delivers fully integrated, long-term engineers who work in real time with U.S. teams. Key results: • 40%–50% hiring cost reduction • First vetted candidates delivered in 72 hours • 85% ... read Nefter reviews & insights

    $25 - $49/hr
    10 - 49
    2025
    San Diego, United States
    Outstanding team! - Carlos Salvador
  • JetRuby is a top-rated custom software development company with over 15 years of experience and a strong track record in AI-integrated solutions. We’ve delivered 250+ Ruby on Rails projects and released open-source tools with 45M+ downloads — trusted by companies like Netflix and GitHub. What ... read JetRuby Agency LTD. reviews & insights

    $25 - $49/hr
    50 - 249
    2010
    San Francisco, United States
    Outstanding development expertise and communication—highly recommend Jet Ruby! - CEO
  • You can buy Facebook likes, Instagram followers, YouTube Views and Twitter followers from LikesBee.com. Our all social media pricing is completely affordable from other social media services provider. We help you to improve your social media presence by offering effective packages with 100% money-back guarantee. ... read LikesBee reviews & insights

    < $25/hr
    2 - 9
    2016
    California City, United States
    Great Experience with this company ever and best place to buy facebook facebook followers specially - Vitni Smith
  • Talentica Software partners with venture-backed startups to build scalable products and engineering teams from the ground up quickly. Regarded among the top IT services companies in world startup ecosystems, it blends product strategy with hands-on, practical development work. Founders seeking the best tech support companies ... read Talentica Software reviews & insights

    $25 - $49/hr
    250 - 999
    2003
    Pleasanton, United States
    Highly skilled and knowledgeable team. - Co-Founder and CTO
  • 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 ... read Matellio Inc reviews & insights

    $50 - $99/hr
    50 - 249
    2014
    San Jose, United States
    Great Shopping Stop - Research Student
  • We provide strategy, design, and development services for top startups and global enterprises. Our bread and butter is product strategy, mobile and web applications, UX/UI design, front-end web development, back-end infrastructure, and server support. Our core methodology is rooted in agile and is a client-centric, ... read VentureDevs reviews & insights

    NA
    50 - 249
    2016
    Los Angeles, United States
    Got what we needed....and more! - Co-Founder
  • Using AI Tools

    • GitHub CopilotGitHub Copilot
    • PerplexityPerplexity

    Cyntexa is a leading IT consulting company that helps businesses leverage the power of cloud computing and digital transformation. With offices in India, USA, UK, Canada, UAE, and Australia, we serve clients across various industries and regions. Our team of over 400+ certified professionals has ... read Cyntexa Labs reviews & insights

    $25 - $49/hr
    250 - 999
    2018
    San Francisco, United States
    Review on Cyntexta for Field Service Work - Rebeka Avendano

    Why Cyntexa Labs?

    • Certified Experts in Salesforce and Databricks
    • Tailored Solutions for Business Growth
    • Proven Expertise Across Industries
  • 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. ... read American Web Coders reviews & insights

    NA
    10 - 49
    2012
    Los Angeles, United States
    They delivered a stunning website that boosted my SEO and user engagement—worth every penny! - Marketing Manager
  • Altoros, with headquarters in the United States, operates major development centers in Argentina and Poland. This enables the company to offer competitive rates, align with different time zones, and provide high communication and technological skills, making it a top choice for customers.Take your software products ... read Altoros Labs reviews & insights

    $50 - $99/hr
    250 - 999
    2001
    Pleasanton, United States
    I'm really impressed - Web Developer Specialist
  • Based in San Diego, Tateeda is a distinguished custom software development firm and staff augmentation provider. Our impressive talent pool includes more than 100 seasoned engineers. We specialize in assisting companies across various high-tech and business sectors in crafting impactful and scalable software solutions. Our ... read TATEEDA GLOBAL LLC reviews & insights

    $50 - $99/hr
    50 - 249
    2013
    San Diego, United States
    Software Development For A Pharmacy Network - Maryna Bizhikian
  • Using AI Tools

    • ClaudeClaude
    • ChatGPTChatGPT
    • GrammarlyGrammarly

    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. ... read TechMatter reviews & insights

    < $25/hr
    50 - 249
    2017
    Glendale, United States
    Custom software for our startup - CEO

    Why TechMatter?

    • Proven Expertise in Healthcare Technology
    • Scalable Solutions Built for Your Growth
    • Reliable Support from Strategy to Delivery
  • Nextware delivers high-quality development, IT and business process services through its team of technically skilled, agile and responsive professionals.Nextware delivers high-quality development, IT and business process services through its team of technically skilled, agile and responsive professionals.Nextware strives to be your most trusted and recommended ... read Nextware Technologies reviews & insights

    $100 - $149/hr
    50 - 249
    2006
    Santa Monica, United States
    Highly recommend them! - President and CEO
  • ETEAM is a seasoned digital product agency specializing in transformative growth for different types of businesses, from VC-backed startups to the largest company in the world, for the last decade. We're best known for translating the complex world of digital development into clear and easy-to-understand ... read ETEAM reviews & insights

    $50 - $99/hr
    50 - 249
    2016
    Irvine, United States
    A terrific experience with a contracted engineering team - Group Product Manager
  • 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 ... read Technology Mindz reviews & insights

    $25 - $49/hr
    50 - 249
    2012
    Cupertino, United States
    The IT services provided by Technology Mindz are of a high standard. - Web developer
  • Using AI Tools

    • ClaudeClaude

    Aurexis Global Commerce is an e-commerce operations and marketplace management company established in 2026. We help brands, online sellers, retailers, and growing e-commerce businesses manage the operational work required to build, maintain, and scale their online stores and marketplace presence.Our team brings 4+ years of ... read Aurexis Global Commerce reviews & insights

    $25 - $49/hr
    10 - 49
    2026
    Los Angeles, United States
    A reliable team for handling large eBay listing volumes without making the process complicated. - Owner

    Why Aurexis Global Commerce?

    • Reliable E-commerce Support That Scales With You
    • Experienced Team. Detail-Driven Execution.
    • One Partner for Multi-Channel Operations
  • Using AI Tools

    • ClaudeClaude
    • ChatGPTChatGPT
    • GeminiGemini
    • CanvaCanva
    • GitHub CopilotGitHub Copilot

    Crest Data is a data and AI-driven technology solutions provider for enterprises and technology innovators in Cybersecurity and Observability. With expertise across Data Analytics, Workflow Automation, and Cloud, we design, build, and operationalize products, solutions, and ecosystems at scale for data and AI use cases. Our engineering-first teams help organizations modernize monitoring environments, strengthen security ... read Crest Data reviews & insights

    $50 - $99/hr
    1,000 - 9,999
    2013
    San Jose, United States

    Why Crest Data?

    • Deep domain expertise in Cybersecurity and Observa
    • AI-driven operational intelligence and insight-led
    • Accelerated modernization, with migrations up to 6
  • Secure Techies is a trusted Managed IT Service Providers in Los Angeles, California. We give the best quality resources and labor to ensure your network, devices, and systems for your business. For more, visit our website. Secure Techies ... read Secure Techies reviews & insights

    NA
    10 - 49
    Woodland Hills, United States
  • ISSQUARED, Inc. is an IT Infrastructure and Security company that was founded in 2010. We deliver Infrastructure Technology Solutions that can include a mix of Networks, Server/Storage, Operating Systems, Databases, Middleware, Enterprise Applications Infrastructure Stack, and Virtualization, We deliver IT Managed Services to support the IT Infrastructure, and operate a Security Operations Center for our ... read ISSQUARED INC reviews & insights

    NA
    250 - 999
    2009
    California City, United States
  • Zoltis Technologies is a Los Angeles-based company that offers computer support, help desk remote support, and expert-managed services. With over 20 years of experience designing software and information systems for small businesses, we use the industry-standard network, workstation, and server remote management technologies to monitor and manage your small business's overall performance, productivity, and security ... read Zoltis Technologies reviews & insights

    NA
    2 - 9
    Los Angeles, United States
  • 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/hr
    50 - 249
    2017
    Aliso Viejo, United States
  • Digital Shadows minimizes digital risk by identifying unwanted exposure and protecting against external threats. Organizations can suffer regulatory fines, loss of intellectual property, and reputational damage when digital risk is left unmanaged. Digital Shadows SearchLight™ helps you minimize these risks by detecting data loss, securing your online brand, and reducing your attack surface. To learn ... read Digital Shadows reviews & insights

    $25 - $49/hr
    10 - 49
    2011
    San Francisco, United States
  • 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. ... read Cyber Defense Group reviews & insights

    < $25/hr
    10 - 49
    2016
    Los Angeles, United States
  • 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/hr
    10 - 49
    1997
    Los Angeles, United States
  • Frontline is a top-ranked Managed IT Service Provider in Los Angeles that offers a comprehensive suite of managed services, including network management, cybersecurity, cloud solutions, data backup, and IT consulting. https://www.frontlineinc.com With Frontline as your trusted managed IT services provider, you are guaranteed a robust and efficient technology infrastructure for your business. Our managed IT ... read Frontline, LLC - Managed IT Services reviews & insights

    NA
    10 - 49
    2010
    Los Angeles, United States
  • Crimson IT (CIT) is all about customer service. We promise that you will fall in love with our IT support. While our competitors focus on technology and ignore the person using the technology, we focus on both. Customers appreciate the fact that we are experts with technology, but they love us because we treat them ... read Crimson IT reviews & insights

    $25 - $49/hr
    10 - 49
    2011
    Los Angeles, United States
  • 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/hr
    10 - 49
    1991
    Los Angeles, United States
  • 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/hr
    2 - 9
    2016
    San Diego, United States
  • 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/hr
    2 - 9
    2006
    San Diego, United States
  • 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. ... read SOCBOX reviews & insights

    < $25/hr
    10 - 49
    San Diego, United States
  • 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/hr
    50 - 249
    2013
    San Diego, United States
  • Network Titan was founded in 2006 by Mike Hughes because he could no longer find purpose working at AT&T. Mike was a Senior Tier III Network Engineer. Rising into management at a company that size meant lots of meaningless paperwork and bureaucracy. Mike likes to help people, and demystifying technology for small businesses in San ... read Network Titan reviews & insights

    < $25/hr
    2 - 9
    2006
    San Diego, United States
  • 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/hr
    2 - 9
    1989
    San Diego, United States
  • Logically is the leading provider of Managed IT Services to small and midsize organizations. We help our customers leverage the power of information technology to achieve their goals by becoming their trusted IT ally. Since 1999, we have made IT management easy and secure for hundreds of corporations, healthcare organizations, non-profits and public sector agencies. ... read Logically reviews & insights

    < $25/hr
    250 - 999
    1999
    San Diego, United States
  • 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/hr
    50 - 249
    2003
    San Diego, United States
  • Using AI Tools

    • ClaudeClaude

    InfoGuard Cybersecurity is a senior-led cybersecurity and compliance firm founded in 2009, with offices in Silicon Valley and Irvine, California. Cybersecurity is our core business. Compliance is how we help clients demonstrate it, so the controls we build reduce real risk, not just audit findings. We help technology, SaaS and AI companies, defense contractors, healthcare ... read InfoGuard Cybersecurity reviews & insights

    $200 - $300/hr
    10 - 49
    2009
    San Jose, United States

    Why InfoGuard Cybersecurity?

    • Senior practitioners on every engagement
    • Led by a former FedRAMP 3PAO and CMMC instructor
    • Secret-cleared assessors and auditors
  • Veltec Networks, Inc. is a Silicon Valley Network Consulting and Managed Services Provider serving businesses in the San Francisco Bay Area. Veltec Networks provide a wide range of IT services tailored to meet the requirements of small and medium businesses. In addition to these services, we also offer Virtual CIO functions that functions as the ... read Veltec Networks reviews & insights

    $25 - $49/hr
    10 - 49
    2007
    San Jose, United States
  • Infortech provides Managed IT Services and Tailored Cyber Security, Private and Hybrid Cloud Solutions. Our services cover planning, design, implementation, management, and support of all aspects of IT Infrastructure, including Networks, Data Security Systems, Servers, Desktops, VOIP PBX Systems, and Internet Connectivity Services. We are a Microsoft MidMarket Cloud Solutions Partner and a Managed Security ... read Infortech reviews & insights

    $25 - $49/hr
    10 - 49
    1999
    San Jose, United States
  • SACTECH helps your business engage technology, security, and applications with a utility mindset so you can thrive in an Internet Delivered World ... read SACTECH reviews & insights

    < $25/hr
    2 - 9
    2003
    Sacramento, United States
  • Ooma creates new communications experiences for small businesses and consumers. Its smart SaaS platform serves as a communications hub, which offers cloud-based telephony, home security and other connected services. The Company’s business and residential communications solutions deliver its proprietary high-definition voice quality, advanced features and integration with mobile devices, at extremely competitive pricing and value. ... read Ooma reviews & insights

    < $25/hr
    250 - 999
    2004
    Sunnyvale, United States
  • Telerivet is an innovative mobile messaging platform that instantly connects businesses and organizations with their customers, employees, and community. No servers, programmers, expensive contracts, or shortcodes required. ... read Telerivet reviews & insights

    < $25/hr
    2 - 9
    San Francisco, United States
  • Compare cloud hosted PBX providers at VoipReview. Oftentimes, hosted PBX is known by other names including such as cloud PBX or hosted VoIP. For our discussions on this page, we will refer to cloud hosted PBX, which is really just renting a portion (also know as extensions) of a service provider's really large industrial grade ... read VoipReview.org reviews & insights

    < $25/hr
    2 - 9
    La Jolla, United States

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