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

5 Companies - Rankings updated: September 09, 2026

DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.

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

  • 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)

  • Intuz

    AI & Software Development Company

    Scalable AI, MLOps & Software Development for Visionary Projects. At Intuz, we engineer intelligent, scalable, and future-ready systems. We thrive on complexity, and if your project pushes boundaries, we are the team to make it happen...

    Top Services:

    • AI Development
    • Software Development
    • IoT
    • IT Services
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed

    Intuz Services

    • AI Development
    • Software Development
    • IoT
    • IT Services
    • Web Development
    • Mobile App Development
    • Managed Services
    • Business Consulting
    • eCommerce Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • French Florist
    • Fortress Power
    • Sapient
    • BOSCH
    • Case Path
    • Front + Center
    • Body Plus
    • 4B World
    • Badu Connect
    • AMG
    Data sourced from the agency's DesignRush profile

    Intuz Reviews & Testimonials

    • Daniel Hefter
      Daniel Hefter Founder at ViYo
      5.0 ★

      Mobile App Development Review from Daniel Hefter

      Intuz helped me to create a beautiful app that my users love to interact with! Picit went from an idea in my head to an app that is enjoyed by thousands! I look forward to continuing to grow Picit with Intuz.

    • Dr. Rajeev Vasani
      Dr. Rajeev Vasani Partner at Dr Vasani Academy E-Learning
      5.0 ★

      Mobile App Development Review from Dr. Rajeev Vasani

      Great Professional Team to work with! Intuz has developed multiple Android apps for us which have seen very good adoption among our users. Our apps involve video streaming functionalities, subscription management and other functionalities closely related to the e-learning domain. Intuz project delivery has been hassle-free and on time. Communication is clear and the post-implementation support is prompt. We plan to continue to work with Intuz for future project and ongoing enhancements.

    • Jason Horstman
      Jason Horstman Founder at Adventurocity
      5.0 ★

      Web Development Review from Jason Horstman

      Working with INTUZ was a relatively smooth and stress-free process. The team did really well in communicating and staying on track with the project. They also were very accommodating to my schedule and making all the minor changes that needed to be made in order to successfully complete the project.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.6 4.6 (3)
    5.0 5.0 (1)

  • PRIME IT

    Innovative Web & Custom Soft Development Solutions

    DESIGN, DEVELOP, DEPLOY!!! The PRIME is a team of highly skilled and experienced professionals in the field of Web Development and Custom Software Development PRIME means - Punctuality, Quickness, Honesty and Professional work! WE HAVE GOT YOU COVERED!!!...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed

    PRIME IT Services

    • Software Development
    • Mobile App Development
    • Web Development
    • Web Design
    • UI/UX Design
    • eCommerce Development
    • Digital Services
    • IT Services
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Stichting International Youth Bridges
    • Global Business Vectrium
    • SABEL - The Conscious Glitterati
    • 90MinFoot
    • Apex Law Group
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • CloudGeometry

    From Business Intent To Production-Ready Change

    CloudGeometry is a Silicon Valley engineering firm that builds and runs cloud-native platforms, data pipelines, and AI systems for SaaS and enterprise teams. Its AI-MSL offering pairs an AI-driven delivery platform with a managed service: AI agents carry build and maintenance work across the software...

    Top Services:

    • AI Development
    • Managed Services
    • Software Development
    • Mobile App Development
    • Cloud Consulting
    • Show more
    Location
    Sunnyvale, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $10,000 - $25,000

    CloudGeometry Services

    • AI Development
    • Managed Services
    • Software Development
    • Mobile App Development
    • Cloud Consulting
    • DevOps Consulting
    • Software Testing
    • IT Services
    • Digital Services
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Eventric
    • FaceUp
    • TetraScience
    • Nanox
    • LangBuilder
    • Digital Remedy
    Data sourced from the agency's DesignRush profile

    CloudGeometry Reviews & Testimonials

    • Felix Albert
      Felix Albert Review from Google
      5.0 ★

      Felix Albert's Review Sourced from Google

      CloudGeometry is a team of highly experienced AI & Data consultants. They quickly helped me define a clear roadmap for transforming my real estate platform with AI. Great strategic insights and practical guidance !

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    5.0 5.0 (2)

  • Zymr

    Cloud Native Software Development

    ZYMR offers cutting-edge cloud-based services for Healthcare, HIPAA, Biotech, etc... We are a leading cloud technology services provider in Silicon Valley, USA. Get in touch for cloud-based solutions today...

    Top Services:

    • AI Development
    • IoT
    • Mobile App Development
    • Software Development
    • Blockchain
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000

    Zymr Services

    • AI Development
    • IoT
    • Mobile App Development
    • Software Development
    • Blockchain
    • VR/AR
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Vodafone
    • Cisco
    • KanvZ
    • moZZaZ
    Data sourced from the agency's DesignRush profile

    Zymr Reviews & Testimonials

    • Nikunj Patel
      Nikunj Patel Review from Google
      5.0 ★

      Nikunj Patel's Review Sourced from Google

      I have been working with ZYMR for more than 6 years and it has been an exciting experience so far. We are always using cutting edge technologies, industry standard tools and Agile based development process for building high quality customer product and services. You are always challenged to learn and work in new promising technologies to solve customer problems. Transparent and encouraging leadership helps you excel in your professional as well as in personal growth. Nicely designed offices, cool working environment, happy hours to chill out, all these makes ZYMR a really fun place to work!

    • Abeer Desai
      Abeer Desai Review from Google
      5.0 ★

      Abeer Desai's Review Sourced from Google

      Working at Zymr is a really energizing experience. I have the opportunity to be engaged with the cutting edge of technology and help companies creating the next generation of technology businesses. A great place to work!

    • Awantika Chitnavis
      Awantika Chitnavis Review from Google
      5.0 ★

      Awantika Chitnavis's Review Sourced from Google

      One of the Best UX Design Companies in San Jose USA. Loved their UI / UX expertises.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    5.0 5.0 (6)

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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