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 Name Why Hire Them Client Rating Hourly Rate Top Client or Case Study Top Industries
Goji Labs Trusted by global brands for UX and digital products. 5.0 ⭐ $149 Redesigned Elf on the Shelf website for immersive experience. Nonprofit, Healthcare, Fintech
Closeloop Technologies Award-winning, innovative tech solutions for complex needs. 4.9 ⭐ $25 Resolved database outage for Brex in two hours. Fintech, Healthcare, eCommerce
Mercury Development Over 2,500 projects delivered for top global brands. 4.9 ⭐ $50 Developed 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 ⭐ $55 Developed 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 ⭐ $50 Award-winning LMS for K-12 education market. Education, Health Care, Logistics
SDLC Corp Full-cycle digital solutions for startups to enterprises. 4.9 ⭐ $50 IoT 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

We Have Researched the Best California IT Support Companies For You

9 Companies - Rankings updated: August 20, 2026

Every agency featured on DesignRush is vetted for expertise and client satisfaction to support your decision-making. Some listings may be sponsored.

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  • Dinarys

    Certified E-Commerce Development Company

    Certified E-Commerce Development Company...

    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    16 Projects Listed

    Dinarys Services

    • eCommerce Development
    • Web Development
    • IT Services
    • Web Design
    • Mobile App Development
    • Staff Augmentation
    • Digital Strategy
    • Digital Services
    • Software Development
    • IoT
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Aroma Kava
    • LastBid
    • Budu Sushi
    • Magento 2 Migration
    • Rite Space
    • Bookbreakrs
    • Can
    • Vivat
    • Udifo
    • ServisBook
    Data sourced from the agency's DesignRush profile

    Dinarys Reviews & Testimonials

    • André Schörnig
      André Schörnig Marketing-Manager at myfelt GMBH
      5.0 ★

      eCommerce Development Review from André Schörnig

      We have been working with Dinarys on our Shopify store for quite some time, and the experience has been great. From the very beginning, communication was clear, efficient, and reliable. The Dinarys team consistently delivered detailed proposals, stuck to agreed timelines, and offered well-structured solutions tailored to our needs. Their technical expertise is impressive, but what really sets them apart is their proactive attitude and genuine commitment to our project. Whenever we had questions or changes, they responded quickly and constructively. Its a true pleasure to work with a partner who feels like an extension of our own team. Highly recommended!

    • Nissrine Kohen
      Nissrine Kohen Sr. Backend Shopware Developers at H1 Webdevelopment
      4.5 ★

      Web Development Review from Nissrine Kohen

      Weve been working with Dinarys for quite some time now, mainly collaborating on Magento and Shopware development projects. Their developers consistently show solid technical expertise and a good understanding of our expectations and workflow. Communication is generally smooth, and response times are quick. Whenever issues arise, the team is open to feedback and acts quickly to improve. Over time, weve seen a positive evolution in their proactiveness and alignment with our teams way of working. They are flexible and collaborative, and its clear that they genuinely aim to build long-term partnerships. For the quality delivered, we feel the pricing is fair and transparent. All in all, weve been satisfied with our cooperation and would recommend Dinarys as a development partner, especially for companies looking for experienced backend developers in Magento and Shopware.

    • Andrew White
      Andrew White Review from Google
      5.0 ★

      Andrew White's Review Sourced from Google

      I'm wasn't in the German office, but i had experience of communication with this company! I can say that it leaves the warmest feelings in the my heart! Guys you are the best!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.3 4.3 (2)
    4.9 4.9 (8)

  • Modus Create

    Helping companies transform for success in the digital future

    The effects of digital transformation go beyond business and into the consulting industry itself. The old leaders in consulting cannot adapt to the speed of change in a digitally disrupted world. A new model of consultancy has emerged: outcome-focused, collaborative, and built for continuous, iterative...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Portfolios Count
    16 Projects Listed

    Modus Create Services

    • Software Development
    • Web Design
    • UI/UX Design
    • Cybersecurity
    • IT Services
    • Mobile App Development
    • Product Design
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Audi
    • Marriot
    • Pfizer
    • AARP
    • Hobsons
    • Kaplan
    • Burger King
    • Bright MLS
    • Baskin-Robbins
    • PBS
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile
    5.0 5.0 (5)

  • 24hourtek

    The Forward Thinking IT Company

    24hourtek provides managed IT services for SMBs and nonprofits in the San Francisco Bay Area and Denver. We focus on reliable IT operations, cybersecurity, and long-term IT strategy for organizations that want fewer disruptions and clearer direction. Our team supports day-to-day technology needs while helping...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000

    24hourtek Services

    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Health Care Industry
    • Nonprofit Industry
    • eCommerce Industry
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Horus

    Top Global Mobile Development Studio

    We are Horus Studio, a Global Mobile Development Studio passionate about creating cutting-edge apps using .NET MAUI, Flutter and Uno Platform...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed

    Horus Services

    • Mobile App Development
    • Software Development
    • IoT
    • UI/UX Design
    • Product Design
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Swedlock
    • Farmashop
    • Innomind
    • Uno Platform
    • PowerPlus
    • Sweatworks
    • VBC Finders
    • 365 ID
    • UxDivers
    • MyPass
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Gorilla Logic

    Armed With the Right Talent, Passion, and Expertise, Any Company Can Be Unstoppable.

    Founded in 2002, Gorilla Logic delivers world-class software development and consulting services for enterprise-scale mobile, Web, and cloud applications. 500+ employees and three locations later, companies rely on our high-performance, distributed Agile teams to enhance their existing resources and...

    Location
    San Jose, California
    Number of Employees
    250 - 499

    Gorilla Logic Services

    • IT Services
    • AI Development
    • Big Data Analytics
    • Cloud Consulting
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • NBC Entertainment Digital
    • DaVita
    • MAXAR
    Data sourced from the agency's DesignRush profile

    Gorilla Logic Reviews & Testimonials

    • Muhammad Kashif
      Muhammad Kashif Review from Google
      1.0 ★

      Muhammad Kashif's Review Sourced from Google

      Totally fraud company he is taking work from me and didn't pay me I'm very dissatisfied with this company and especially with HR. Don't trust on her(grace)

    • Walter G
      Walter G Review from Google
      5.0 ★

      Walter G's Review Sourced from Google

      One of the best software companies in the country, excellent benefits, and the people I work with are always willing to help.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.4 4.4 (7)

  • WebMob Technologies

    Top Web and Mole App Development Company

    Webmob Technologies is global leader in custom web & app development, offering consulting & development services to businesses of all sizes -from startups to mid-sized organizations to enterprises. Our custom web & app-development expertise have earned us top reviews & prominent position in industry...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Portfolios Count
    9 Projects Listed

    WebMob Technologies Services

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • Web Design
    • Software Development
    • IT Services
    • Product Design
    • WordPress Website Design
    • AI Development
    • Blockchain
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Daniel Stirkman
    • Daafram Campbell
    • Charles Alder
    • Luke Monroe
    Data sourced from the agency's DesignRush profile

    WebMob Technologies Reviews & Testimonials

    • Aman Vaghela
      Aman Vaghela Review from Google
      5.0 ★

      Aman Vaghela's Review Sourced from Google

      This company has a highly supportive culture with excellent senior leadership and a positive, growth-oriented environment. The team is always willing to help, making it a great place to learn and thrive.

    • Raj Chokshi
      Raj Chokshi Review from Google
      5.0 ★

      Raj Chokshi's Review Sourced from Google

      Great place to work and grow professionally! The work environment is positive, collaborative, and full of learning opportunities. The team and leadership are supportive and always open to new ideas. If you're looking to build your skills and grow your career in tech, WebMobTech is a fantastic place to be!

    • Peer Ubaid
      Peer Ubaid Review from Google
      4.0 ★

      Peer Ubaid's Review Sourced from Google

      My experience at WebMob Technologies was positive. The work environment was professional, and I had the opportunity to collaborate with a supportive team. The company provided a good platform for learning and growth. Wishing them continued success in the future.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.1 4.1 (86)

  • CIO Professional Services LLC

    Align your Business and IT, Faster.

    CIO Professional Services LLC comprises a team of seasoned executives with expertise in CIO, CTO, and CSO roles, complemented by consulting partners from the Big 4. Our focus extends beyond strategy development; we specialize in guiding the execution of initiatives to ensure the delivery of tangible results...

    Location
    Palo Alto, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000

    CIO Professional Services LLC Services

    • Business Consulting
    • Cybersecurity
    • IT Services
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Salesforce
    • Five Below
    • Recology
    • Rambus
    • Intermedia
    • SI-BONE
    • SAP/Ariba
    • Gauge Capital
    • Gap
    • Driscoll's
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Sinelogix Technologies

    Bring Business Online And Grow Sales

    Sinelogix Technologies: Your Digital Success Partner Since 2012. Elevate with Irresistible Web Design, Development, and SEO. At Sinelogix we do not pull any marketing stunts on our clients, we address the clients needs directly to the point so that it can be time effective and cost effective. Sinelogix...

    Location
    Newark, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed

    Sinelogix Technologies Services

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • SEO
    • PPC
    • eCommerce
    • Email Marketing
    • Software Development
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Well Living Shop
    • Indian Beautiful Art
    • Propervise, Inc.
    • Tancart
    • Qorex Outsourcing
    • House of Chemicals
    • Nimmed
    • Medical Products Supply
    • Toyota
    • AXA Insurance
    Data sourced from the agency's DesignRush profile

    Sinelogix Technologies Reviews & Testimonials

    • Prashant Srivastav
      Prashant Srivastav Review from Google
      4.0 ★

      Prashant Srivastav's Review Sourced from Google

      They have good approach implementing e-commerce applications. Provide healthy interaction while gathering the requirements. The best thing they are using the latest technologies running in the market and very good in migrating old and legacy applications.

    • Himanshu Agrawal
      Himanshu Agrawal Review from Google
      1.0 ★

      Himanshu Agrawal's Review Sourced from Google

      Overpriced. Just because they are on top of the Google search doesn't necessarily make them the best. You will get a call from US number, california just to impress you and make you believe that you are working with a sophisticated and hifi company. Have been requesting the backup of my website for ages now, no reply received yet. Dont trust them just like that. If possible visit them and meet them. I am in Bangalore and this address is wrong.

    • Johns Schutz
      Johns Schutz Review from Google
      5.0 ★

      Johns Schutz's Review Sourced from Google

      We hired Sinelogix to look after one of our projects and they out performed and out delivered. We are extremely happy with the results and hence we use sinelogix for marketing and branding of all our inhouse websites.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.2 4.2 (24)

  • Invoxico Technologies

    Crafting Websites, Creating Success!

    Invoxico Technologies is an adept company in web design and development, acknowledged for its proficiency in crafting customized digital solutions. Their expert team focuses on UI/UX design, web development, CMS development, eCommerce solutions, and mobile app development, and offers a complete range of...

    Location
    La Puente, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000

    Invoxico Technologies Services

    • Web Design
    • eCommerce Development
    • UI/UX Design
    • Web Development
    • WordPress Website Design
    • SEO
    • IT Services
    • Cybersecurity
    • Mobile App Development
    • Digital Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • KAL Trailers & Leasing
    • Fashion Hunt
    • Flashfood
    • Water Ford Whisky
    • JTFbus
    • Trueats
    • Hoppar
    • Jooska
    • Simply Smile Studio
    Data sourced from the agency's DesignRush profile

    Invoxico Technologies Reviews & Testimonials

    • Akib Ali
      Akib Ali Review from Google
      5.0 ★

      Akib Ali's Review Sourced from Google

      I've had a great experience working at Invoxico Technologies – the company truly cares about its employees' well-being and success. I feel fortunate to be part of such a dynamic and forward-thinking organization.

    • H2FM- HIP-HOP FROM THE MOUNTAINS
      H2FM- HIP-HOP FROM THE MOUNTAINS Review from Google
      5.0 ★

      H2FM- HIP-HOP FROM THE MOUNTAINS's Review Sourced from Google

      The office culture at Invoxico Technologies is fantastic – it's a fun and dynamic place to work. The company regularly hosts team-building events and social activities, fostering a sense of camaraderie among employees

    • mohit chauhan
      mohit chauhan Review from Google
      5.0 ★

      mohit chauhan's Review Sourced from Google

      Invoxico Technologies fosters a creative and innovative environment where employees are encouraged to think outside the box. It's refreshing to work for a company that values fresh ideas and rewards initiative.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    5.0 5.0 (10)

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Why Companies Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding IT services companies in California. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

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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. 

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