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

6 Companies - Rankings updated: September 09, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

Expertise
HR
$10,000 - $25,000
Sort by: Sponsored
United States × California × HR × $10,000 - $25,000 × Clear Filters

  • Light IT

    Deep tech expertise for SME

    Light IT provides the following services on the global tech market: - consulting clients on IT products and services - custom product and software development - provision of resources at the clients' request - software delivery and maintenance - software quality assurance...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Software Testing
    • IT Services
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed

    Light IT Services

    • Software Development
    • Mobile App Development
    • Web Development
    • Software Testing
    • IT Services
    • Blockchain
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • pfizer
    • ahrefs
    • chewy
    • yourfirm
    • Ultra
    • BUILDZOOM
    Data sourced from the agency's DesignRush profile

    Light IT Reviews & Testimonials

    • Andrew Adams
      Andrew Adams CEO & Founder at Tenacious
      5.0 ★

      Mobile App Development Review from Andrew Adams

      Light IT helped to develop an MVP for our AWS cloud-based SaaS cyber security platform, specifically on iOS. This team did not just do the bare minimum. They thought about the project and how it could be done not only in an efficient manner but what was best for the end-users.

    • Anton Gotsulia
      Anton Gotsulia CMO at FatLine
      5.0 ★

      Mobile App Development Review from Anton Gotsulia

      We wanted to rebuild our mobile app on React Native and make some functionality updates. Thanks to Light IT’s experience and professionalism, we managed to solve many issues and prevent problems.

    • David Yudovich
      David Yudovich CEO at TIGERQ
      5.0 ★

      Software Development Review from David Yudovich

      Our goal was to build a scalable, robust solution based on cloud computing. The software should be able to offer multiple complex services online, including e-commerce and high-performance computing. So we chose Light IT to do the job. 3 words to describe the cooperation process would be flexibility, quality, and responsiveness. We always felt that the project team was working on our behalf, and our tight collaboration produced excellent results.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.7 4.7 (4)

  • ZAAG SYSTEMS

    Ai fist design & development company

    ZAAG SYSTEMS delivers scalable web, mobile & AI solutions with sleek design, driving business growth for US startups...

    Top Services:

    • eCommerce Development
    • AI Development
    • Web Development
    • Software Development
    • Web Design
    • Show more
    Location
    Santa Clara, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    17 Projects Listed

    ZAAG SYSTEMS Services

    • eCommerce Development
    • AI Development
    • Web Development
    • Software Development
    • Web Design
    • Mobile App Development
    • Staff Augmentation
    • UI/UX Design
    • IT Services
    • Customer Support
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Goldenmark (USA)
    • New York City Pest control elimination (USA)
    • Ascend Technology Inc. (USA)
    • Inten-Ls (USA)
    • Mustafiz Foundation (USA)
    • Shore Teams (Neatherland)
    • Mangtas (Singapore)
    • CROSSMARKET (Germany)
    • Eigenart E.k (Germany)
    • KADAD (Quatar)
    Data sourced from the agency's DesignRush profile

    ZAAG SYSTEMS Reviews & Testimonials

    • Dr.Laine Powell
      Dr.Laine Powell Founder and Executive Director at Tech Sassy Girlz
      5.0 ★

      Mobile App Development Review from Dr.Laine Powell

      We hired ZAAG System Ltd to achieve several objectives, primarily to develop a cutting-edge mobile app for Tech Sassy Girlz. Our goals included enhancing user engagement, streamlining processes, and ultimately expanding our digital presence. ZAAG System Ltd demonstrated exceptional expertise in understanding our requirements and translating them into a comprehensive scope of work. Within just a week of project initiation, ZAAG System Ltd showcased tangible results, including increased user engagement metrics, such as longer session durations and higher retention rates. They consistently delivered milestones on time, adhering to the agreed-upon timeline without compromising on quality. Their team displayed a remarkable blend of technical proficiency, creativity, and dedication, resulting in a mobile app that exceeded our expectations. Overall, ZAAG System Ltd proved to be an invaluable partner in our journey to revolutionize digital education for young women. We wholeheartedly recommend ZAAG System Ltd to any organization seeking top-notch mobile app development services.

    • Robb Fahrion
      Robb Fahrion Partner and Co-Founder at Flying V Group Digital Marketing
      5.0 ★

      eCommerce Development Review from Robb Fahrion

      We were creating a product in the advertising technology environment. It was a product for publishers to improve their revenue by making a dynamic inventory on their side and getting more income out of their advertising. We needed help with the recruitment of an outsourced, part-time frontend developer with broad experience and availability.

    • Isabella Susan
      Isabella Susan Makeup Artist at Glam
      5.0 ★

      Web Design Review from Isabella Susan

      From start to finish, our team at Zaag Systems Ltd., led by Tony, Don, and Mike, was a pleasure to work with. Their approach to web design and development is both collaborative and consultative. They took the time to understand our business needs and goals and provided expert guidance on the best strategies.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.6 4.6 (3)
    4.7 4.7 (25)

  • Azilen Technologies

    An Enterprise AI Development Company

    Azilen Technologies is a prominent enterprise AI development company that takes pride in delivering exceptional AI, Data, and HRTech solutions to organizations seeking digital transformation...

    Top Services:

    • AI Development
    • Software Development
    • IT Services
    • IoT
    • Cloud Consulting
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    16 Projects Listed

    Azilen Technologies Services

    • AI Development
    • Software Development
    • IT Services
    • IoT
    • Cloud Consulting
    • Mobile App Development
    • Wearables
    • Big Data Analytics
    • Managed Services
    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • GattiHR
    • MoCA
    • Clearingbid
    • Mindmaze
    • Orbiwise
    • Ukheshe
    • Essentialaero
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • AltexSoft

    Technology & Solution Consulting company

    We have experience in following fields: HR Tech, Software Product Development, Machine Learning, Biotech, greentech, UX/UI Design...

    Top Services:

    • Software Development
    • AI Development
    • Wearables
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Foster City, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed

    AltexSoft Services

    • Software Development
    • AI Development
    • Wearables
    • Mobile App Development
    • Blockchain
    • Software Testing
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Fareboom
    • Intellogate
    • Comply365
    • Lucia Capital Group
    • Cornerstone Information Systems
    • Bravo Store Systems
    • ASL Aviation
    • Merlot Aero
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Pratham Software

    Global IT Solutions

    We are a digital transformation consulting and software development company that delivers cutting edge solutions for global organizations and technology startups. Since 2000 we have been helping companies and established brands re-imagine their business through digitization...

    Top Services:

    • Mobile App Development
    • Software Testing
    • Software Development
    • Web Design
    • eCommerce Development
    • Show more
    Location
    Saratoga, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000

    Pratham Software Services

    • Mobile App Development
    • Software Testing
    • Software Development
    • Web Design
    • eCommerce Development
    • IT Services
    • Digital Marketing
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Boston Consulting Group
    • McKinsey
    • Reliance
    • Johnson & Johnson
    • Genpact
    • Cisiv
    • Touch Star
    • Workshare
    • Motorola
    • ALLEN Digital
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • TechnoBrains Business Solutions

    Empowering Businesses Through Innovative Software Development

    TechnoBrains Business Solutions is a global software development and AI solutions company founded in 2009, delivering custom web, mobile, AI, and enterprise software solutions for startups, SMEs, and established enterprises worldwide. Headquartered in Ahmedabad, India, with a presence in the United States...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Minimal Budget
    $10,000 - $25,000

    TechnoBrains Business Solutions Services

    • AI Development
    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Web Development
    • ERP Consulting
    • DevOps Consulting
    • IT Compliance Solution
    • Cloud Consulting
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • eCommerce Industry
    • Fintech Industry
    • Health Care Industry
    Data sourced from the agency's DesignRush profile

    TechnoBrains Business Solutions Reviews & Testimonials

    • Amee Brahmbhatt
      Amee Brahmbhatt Review from Google
      5.0 ★

      Amee Brahmbhatt's Review Sourced from Google

      I have been working with TechnoBrains, and it has been a great experience overall. The company focuses not only on delivering quality work but also on the continuous growth of its employees. Regular sessions on the latest skills and technologies help us stay updated and improve professionally. Additionally, festival celebrations and team activities create a positive and engaging work environment. It’s a great place to learn, grow, and be part of a supportive team.

    • kalgi mavani
      kalgi mavani Review from Google
      5.0 ★

      kalgi mavani's Review Sourced from Google

      Working at TechnoBrains as a Business Development Manager has given me great exposure to technical domains such as AI, open-source technologies, and modern development frameworks. The technical team is knowledgeable, supportive, and always open to collaboration, which makes delivering client solutions smooth and effective.

    • Vrushika Makwana
      Vrushika Makwana Review from Google
      5.0 ★

      Vrushika Makwana's Review Sourced from Google

      Technobrains Business Solutions is more than just an IT company – it's a strategic partner committed to empowering businesses through technology.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.8 4.8 (26)

IT Services Companies in California by City

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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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