Find top IT service companies in California through DesignRush. Our platform connects you with California IT support companies trusted by brands like McDonald's and Coca-Cola. With over 1M monthly visitors and Fortune 500 companies using our rankings, you can be confident in the quality of every agency listed. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Top IT Services Companies in California

Compare the leading IT services agencies in California, handpicked for their verified reviews, standout portfolios, and proven expertise, so you can confidently choose the right partner to scale your business.

Agency NameWhy Hire ThemClient RatingHourly RateTop Client or Case StudyTop Industries
Goji Labs Trusted by global brands for UX and digital products.5.0 ⭐$149Redesigned Elf on the Shelf website for immersive experience.Nonprofit, Healthcare, Fintech
Closeloop Technologies Award-winning, innovative tech solutions for complex needs.4.9 ⭐$25Resolved database outage for Brex in two hours.Fintech, Healthcare, eCommerce
Mercury Development Over 2,500 projects delivered for top global brands.4.9 ⭐$50Developed mobile apps for Burger King and Fitbit.Wellness & Fitness, Healthcare, Retail
Suffescom Solutions Inc Experts in mobile apps with global industry recognition.5.0 ⭐—Built ridesharing app for GoCar Malaysia.eCommerce, Healthcare, Fintech
AppMakers USA MIT, Stanford, UCLA engineers deliver on time and budget.5.0 ⭐—Developed mobile app for CVS Pharmacy.Retail, Education, Sports
Azumo Nearshore experts trusted by Meta, Zynga, United Health.4.9 ⭐$55Developed chatbot app for Facebook events.AI, Fintech, Health Care
Koderspedia Custom mobile and web solutions with rapid delivery.4.9 ⭐—Web app for Gameloft Montreal exceeded expectations.eCommerce, Gaming, Real Estate
Aristek Systems AI and EdTech specialists with 22+ years experience.4.8 ⭐$50Award-winning LMS for K-12 education market.Education, Health Care, Logistics
SDLC Corp Full-cycle digital solutions for startups to enterprises.4.9 ⭐$50IoT supply chain project improved delivery for Freight Right.Logistics, eCommerce, Gaming
Trango Tech Holistic software and mobile solutions for global growth.4.7 ⭐—Built wellness app for Simple Habit company.Wellness & Fitness, eCommerce, Real Estate

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × California × Under $1,000 × Sort by: Top Rated ×Clear Filters
  • We help businesses in building Web, App, Software, and Adapting AI Solutions.

    Probey Services builds websites on WordPress and Shopify, iOS and Android apps, and web applications. The IT services firm has delivered 1,800+ projects across global markets. Best for small and mid-size businesses needing a cost-effective offshore development partner...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • WordPress Website Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    94 Projects Listed
  • Empowering Your Digital Future with Innovative IT Solutions

    At Quantum IT Innovation, our team excels in AI, Big Data, RPA, and Mobile App Development for iOS, Android, and Cross-Platform. We also offer expert SEO, PPC, and Social Media services to drive your business forward in the USA, UK, Canada, Ireland, UAE, Australia, India, & across the globe...

    Top Services:

    • Web Development
    • Social Media Marketing
    • SEO
    • PPC
    • IT Services
    • Show more
    Location
    San Clemente, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    101 Projects Listed
  • Innovation Beyond Imagination

    iApp Technologies: Trusted digital product development partner helping brands turn ideas into powerful & scalable solutions. We specialize in designing and building high-performance Web and Mobile Apps (iOS + Android) that align with evolving market demands and deliver measurable business impact...

    Top Services:

    • Mobile App Development
    • Blockchain
    • AI Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    San Ramon, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    60 Projects Listed
  • We Are A Striving Computer IT Consulting

    Softitec is a custom software development company delivering tailored web, mobile, and enterprise-grade digital solutions. Serving startups and enterprises alike, the agency builds scalable platforms that streamline operations, improve customer engagement, and accelerate growth. With a focus on innovation and...

    Top Services:

    • Software Development
    • IoT
    • Mobile App Development
    • Wearables
    • Web Design
    • Show more
    Location
    Newport Beach, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    Under $1,000
  • Global Cloud-Based Treasury Management Software Solutions

    San Diego-based Kyriba is a leader in global cloud-based treasury management software solutions. With proven technology services for cash management applications, Kyriba provides treasury management, cybersecurity, risk management, working capital, and other critical services...

    Top Services:

    • Software Development
    • Cybersecurity
    • IT Services
    Location
    San Diego, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $682/hr
    Minimal Budget
    Under $1,000
  • High-Tech Bespoke Software Solutions

    We design, develop, and deliver high-tech bespoke software solutions for SME's, Enterprises, funded startups and ventures...

    Top Services:

    • Software Development
    • Mobile App Development
    • IoT
    • AI Development
    • eCommerce Development
    • Show more
    Location
    Dublin, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed
  • IT Solution That Fit

    Forum InfoTech (FIT) is a Top 100 managed services provider founded in 2004 and based in Riverside/Corona, California. The firm specializes in managed and comanaged IT, cloud migration (AWS, Azure), cybersecurity, identity and access management, IT compliance, and virtual CIO services. With 1150 employees...

    Top Services:

    • Cybersecurity
    • IT Services
    • Managed Services
    • Cloud Consulting
    • Show more
    Location
    Corona, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
  • Software Solutions Simplified

    As a software services firm, delivering excellence is our mission. We offer development services through specialized teams segmented through our various brands. ​Whether that is app or website development, WordPress, Open Source, Billing, or E-commerce; we​ deliver what we promise. We have simplified the...

    Top Services:

    • Mobile App Development
    • Software Development
    • eCommerce Development
    • IT Services
    • Show more
    Location
    Carlsbad, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
  • A Leading Technology Company

    We are an industry leading technology company in Orange County, CA specializing in managed IT services, cybersecurity & digital marketing for small and medium sized businesses. We ensure your systems are secure, running optimally and that you have help when needed...

    Top Services:

    • Digital Marketing
    • SEO
    • PPC
    • Managed Services
    • Cybersecurity
    • Show more
    Location
    Orange County, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
  • Managed IT for Aspiring Businesses

    Vertical Computers provides all aspects of IT services. From hosting to “help-desking”, we make IT simple, giving you peace of mind...

    Top Services:

    • IT Services
    • Managed Services
    Location
    Chino, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
  • IT Support & Networking.

    Offering IT training, IT, and Managed IT services. You need technology, and not just for operational continuity – it should be an essential piece in your growth strategy. With technology changing at such a rapid rate, what’s available to you is always changing and it’s hard to keep up with all the cost...

    Top Services:

    • Managed Services
    • IT Services
    • IT Compliance Solution
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
  • Inspired By Thoughts

    Dev Technosys is the web and mobile app development company in UAE,...

    Top Services:

    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • IT Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    2 Projects Listed
  • Your ultimate cloud service provider

    At the forefront of IT, CRM & CX solutions, SoftClouds, headquartered in San Diego, CA, emerges as a transformative force. As an esteemed Oracle Platinum Partner, we specialize in crafting ERP solutions, cloud, mobile, and digital solutions that elevate corporate profitability while seamlessly unraveling...

    Top Services:

    • Cloud Consulting
    • IT Services
    • ERP Consulting
    • Mobile App Development
    • Show more
    Location
    San Diego, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    5 Projects Listed
  • Business Technology Made Easy

    Xobee Networks is the #1 Managed Service Provider of innovative, cost-effective, and cutting-edge technology solutions in California. Through our wide range of services, we've helped businesses, non-profits, government entities and other organizations throughout California for over 26 years. Were the tech...

    Top Services:

    • IT Services
    • Managed Services
    • Cybersecurity
    • Web Development
    • Web Design
    • Show more
    Location
    Fresno, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $165/hr
    Minimal Budget
    Under $1,000
  • Marketing that Works Hard, So You Don't have To!

    John Limbocker, Founder of Internet Dominators, has been cracking Search Engine codes and getting top listings for his clients since the mid 90s. He is a sought after speaker making numerous worldwide guest appearances demystifying how the Search Engines really work and how to beat them. Most recently John...

    Top Services:

    • IT Services
    Location
    Huntington Beach, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
  • Specialized Computer Repair Services at Your Fingertips

    Emerging in the field of information technology, Mobile Computer Repair Services is an IT solutions provider that focuses on providing customers with assistance in the areas of servers, cloud computing, web development, search engine optimization, social media optimization, web design, and other sorts of...

    Top Services:

    • IT Services
    • Web Design
    • Web Development
    • SEO
    • Show more
    Location
    Westlake Village, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $118/hr
    Minimal Budget
    Under $1,000
  • Start Fast, Stay Secure, and Grow With Ease

    Cure8 helps cannabis businesses to solve their IT problems and get the professional-grade tech they need to launch, thrive, and grow...

    Top Services:

    • IT Services
    • Cybersecurity
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
  • Elevate Your Digital Experience: Where Web Excellence Begins.

    Sariya IT is an IT solutions and digital marketing agency dedicated to providing services such as web development, digital marketing, SEO, and IT solutions that seamlessly align with your unique business vision. With a strong focus on technology services, we empower your success...

    Top Services:

    • Graphic Design
    • Web Development
    • Digital Marketing
    • SEO
    • Social Media Marketing
    • Show more
    Location
    Fullerton, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
  • Plan IT, Deploy IT, Manage IT, Secure IT & Support IT

    We provide managed IT services, consulting and IT support for San Diego County. Leverage our proven cost-effective enterprise IT solutions and IT strategies. Contact an IT support consultant today!...

    Top Services:

    • IT Services
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    Minimal Budget
    Under $1,000
  • Unyielding Protection, Trusted Excellence

    Pioneering the field of digital security, we provide state-of-the-art solutions tailored to fortify your data and infrastructure. Our team of seasoned professionals is wholly committed to furnishing resilient, personalized safeguards against ever-adapting cyber threats, affording you peace of mind in an...

    Top Services:

    • Cybersecurity
    • IT Services
    • IT Compliance Solution
    • Managed Services
    • Cloud Consulting
    • Show more
    Location
    San Diego, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
  • Simplify It Process

    Trust Haven Solution is a U.S.-based digital services firm founded in 2020, with a team of 50249 professionals. Specializing in web design, PPC, SEO, social media, content writing, cybersecurity, IT strategy consulting, and full-stack web and app development, the agency supports small to midsized businesses...

    Top Services:

    • IT Services
    • Cybersecurity
    • Managed Services
    • Cloud Consulting
    • Web Design
    • Show more
    Location
    Bakersfield, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
  • Trusted Managed IT Services Provider

    IDOTECH provides a comprehensive suite of professional services in the realm of Information Technology, encompassing Business IT Services, Managed IT Services, Desktop Support, Network Infrastructure, Project Management, and Software Solutions. Our commitment to excellence is reflected in the breadth and...

    Top Services:

    • Cybersecurity
    • IT Services
    • IT Compliance Solution
    • Managed Services
    • Show more
    Location
    El Monte, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
  • When IT ABSOlutely has to work!!

    ABSO Technologies delivers reliable, enterprise-grade Managed IT Services to businesses, municipalities, and nonprofits. Our fully in-house team provides proactive support, cybersecurity, and strategic IT solutions to keep your organization secure, efficient, and focused on growth...

    Top Services:

    • IT Services
    • Managed Services
    • Cloud Consulting
    • Cybersecurity
    • Staff Augmentation
    • Show more
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    Under $1,000
  • Empowering Your Business Growth With Precision

    Staydify Growth Systems is a division of the UK-based HiringBooster Group, focused on driving technology-enabled business growth. The company specializes in delivering advanced custom software development and precision IT staffing services, leveraging its global footprint across the UK, USA, India, and other...

    Top Services:

    • Software Development
    • IT Services
    • Web Design
    • Web Development
    • Mobile App Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000
  • The Leading Provider for Inventory & Warehouse Management Solutions

    WareGo is a leading provider of Warehouse Management Systems (WMS) and supply chain technology, dedicated to eradicating inventory chaos through intelligent automation...

    Top Services:

    • Software Development
    • IT Services
    Location
    Chino, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Transforming Ideas Into Digital Success

    Appicoders builds high-performance mobile and web applications designed to accelerate business growth. With expertise in strategy, design, and development, we create scalable digital experiences that drive engagement and deliver measurable results...

    Top Services:

    • Digital Services
    • Branding
    • eCommerce Development
    • IoT
    • AI Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed

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Frequently Asked Questions

What services do IT services companies in California provide?

IT services companies in California provide technology solutions that help businesses run efficiently, stay secure, and scale operations. Their services typically include: 

How do IT services companies in California help businesses improve efficiency and security?

IT services companies in California improve efficiency and security by automating routine tasks, maintaining cloud infrastructure, and ensuring fast, reliable access to business tools. For security, they set up firewalls, encryption, and multi-factor authentication to block unauthorized access.  

They also monitor networks 24/7, detect vulnerabilities early, and provide regular updates and backups to prevent downtime or data loss. This allows businesses to operate smoothly and focus on growth while staying protected from cyber risks. 

How much do IT services cost in California?

IT services in California typically cost $80 to $200 per user per month, depending on service scope and company size.  

  • Basic packages cover help desk support, monitoring, and maintenance 
  • Mid-range plans include security management, cloud services, and data backups 
  • Higher-end packages add advanced cybersecurity, compliance support, and strategic IT consulting 

Project-based work, like migrations or infrastructure upgrades, is usually billed separately at hourly rates. 

What certifications should California IT support companies have?

California IT support companies should hold certifications that prove their technical skill and security standards. Common and respected ones include: 

  • CompTIA A+ or Network+
  • Microsoft Certified Solutions Expert (MCSE)
  • Cisco Certified Network Associate (CCNA)
  • AWS or Google Cloud certifications
  • Certified Information Systems Security Professional (CISSP)
  • ITIL Certification

How do IT services companies in California ensure data protection and compliance with state and federal laws?

IT services companies in California ensure data protection and compliance by combining strict security measures with legal standards. They use encryption, firewalls, and access controls to secure sensitive information, along with regular backups and disaster recovery systems.  

To meet regulations like CCPA, HIPAA, and GDPR, they conduct compliance audits, maintain data processing policies, and train staff on privacy rules. They also monitor systems for breaches, keep detailed logs for accountability, and update protocols as laws or threats evolve, ensuring businesses stay secure and compliant. 

What kind of ongoing support do California IT support companies offer after implementation?

California IT support companies provide ongoing services to keep systems secure, up to date, and running smoothly after implementation. Support usually includes 24/7 monitoring, help desk assistance, and regular maintenance to prevent downtime.  

They handle software updates, security patches, and system backups, and monitor networks for performance or security issues. Many also offer user training, hardware upgrades, and scalability planning so businesses can adapt as they grow.