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
United States × California × Agriculture × Under $1,000 ×Clear Filters
  • 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

    Quantum IT Innovation Services

    • Web Development
    • Social Media Marketing
    • SEO
    • PPC
    • IT Services
    • Mobile App Development
    • AI Development
    • Digital Marketing
    • Software Development
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • David
    • Karmel
    • Jevon
    • Luke
    • Rajitha
    • Alfred
    • Gilbert
    • Erik
    • Christopher Samdeo
    • Mehernaz Emadi
    Data sourced from the agency's DesignRush profile

    Quantum IT Innovation Reviews & Testimonials

    • Lorena Iaut
      Lorena Iaut Obstetrician and Gynecologist at Lorena Laut
      5.0

      Digital Marketing Review from Lorena Iaut

      We have had a great experience working with Quantum IT Innovation for our digital marketing needs. Their team is professional, responsive, and truly understands how to position a healthcare brand effectively online. We've seen noticeable improvement in our digital presence and engagement. Highly recommend their services to anyone looking for reliable and result-driven marketing support.

    • Brigitte Brünjes
      Brigitte Brünjes Owner at Hogasearch
      5.0

      Digital Marketing Review from Brigitte Brünjes

      Quantum IT Innovation played a key role in strengthening HOGASEARCHs digital presence through strategic digital marketing and SEO services. Their team delivered creative content, consistent planning, and visible growth in engagement and search rankings. Highly professional and results-oriented.

    • SAM NAJIBI
      SAM NAJIBI CEO at MBSS Security Services
      5.0

      Digital Marketing Review from SAM NAJIBI

      Quantum IT Innovation has been a game-changer for MBSS Security.Their digital marketing strategies helped us boost our local visibility, generate leads, and build a strong online presence. Highly professional and results-driven team truly appreciate their support!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • 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

    WareGo Services

    • Software Development
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Eximpo
    • Oaks
    • GMI Trading
    • Whole Link Corporation
    • Urban Threads
    Data sourced from the agency's DesignRush profile

    WareGo Reviews & Testimonials

    • Matt D
      Matt D Review from Google
      5.0

      Matt D's Review Sourced from Google

      WareGo’s 3PL WMS have completely streamlined our operations. Our 3PL clients love having their own dashboard to see stock levels, and we’ve reduced our upkeep by nearly 30%

    • Harry B
      Harry B Review from Google
      5.0

      Harry B's Review Sourced from Google

      Their Bill of Materials (BOM) software is incredibly precise. We’ve seen a 40% reduction in inventory costs because we’re no longer over-ordering parts 'just in case.' The AI-powered demand forecasting accurately predicts our seasonal spikes, keeping us lean and efficient.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • 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

    Xobee Networks Services

    • IT Services
    • Managed Services
    • Cybersecurity
    • Web Development
    • Web Design
    • WordPress Website Design
    • eCommerce Development
    • UI/UX Design
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • OK Produce
    • Cook County Department of Public Health
    • The Fresno Chaffee Zoo
    • Saint Agnes Medical Center
    • Fresno State University
    • Coleman & Horowitt, LLP
    • Granville
    • De Young Properties
    • The Garabedian Group
    • Clovis Animal Services
    Data sourced from the agency's DesignRush profile

    Xobee Networks Reviews & Testimonials

    • Christopher Beard
      Christopher Beard Review from Google
      5.0

      Christopher Beard's Review Sourced from Google

      I had the pleasure of working with Brandon Holland during a recent project where Wire Works Pro was hired to install networking equipment at one of their managed sites. Brandon was incredibly knowledgeable when it came to network configurations and troubleshooting, which made my job as an onsite contractor smooth and efficient. His clear communication and technical expertise ensured everything went according to plan. Looking forward to working with him and the Xobee team again in the future!

    • Brad Mile
      Brad Mile Review from Google
      5.0

      Brad Mile's Review Sourced from Google

      We've been working with them for several years, and they've always made time to support one of our nearby branch offices. Their service is excellent, their rates are fair, and their technicians are skilled at resolving issues efficiently

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • 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

    Appicoders Services

    • Digital Services
    • Branding
    • eCommerce Development
    • IoT
    • AI Development
    • Mobile App Development
    • CRM Consulting
    • ERP Consulting
    • Staff Augmentation
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Fintrack
    • EnergyTech Solutions Inc.
    • ProSport Connect
    Data sourced from the agency's DesignRush profile

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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