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
United States × California × Higher Education × $1,000 - $10,000 × Clear Filters
  • Start something awesome together

    We are a global technology consultancy that prioritizes effective results and client success...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • IT Services
    Location
    California City, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed

    zen8labs Services

    • Mobile App Development
    • UI/UX Design
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Vinmec International Hospital
    • Invitae
    • ClinikNote
    • The Yes
    • Knowable
    • Rose Villa Saigon
    • Nudge
    • VinBigData
    • BlueSky AI
    • WebProof
    Data sourced from the agency's DesignRush profile

    zen8labs Reviews & Testimonials

    • Son Le (Jason)
      Son Le (Jason) CEO at Sphinx
      5.0

      Healthcare Review from Son Le (Jason)

      Zen8Labs was responsible for the complete overhaul of our products interface. Key deliverables included detailed wireframes, interactive prototypes, and the final UI design integrated into our software. They also conducted extensive user testing to validate the designs.What stood out was their user-centered approach and deep understanding of UX principles. Their ability to translate user data into actionable design improvements was particularly impressive.Zen8Labs exhibited exemplary project management. They consistently delivered milestones on time and were highly responsive to our needs, making adjustments based on feedback efficiently.

    • Van Anh Nhu
      Van Anh Nhu Quality Assurance Manager at Techcombank
      5.0

      Mobile App Development Review from Van Anh Nhu

      I am happy to work with zen8labs team. So talented, professional and creative!

    • Duyen My Le
      Duyen My Le Review from Google
      5.0

      Duyen My Le's Review Sourced from Google

      Zen8labs provided great support for our insurance project. We're very pleased with the experience and would gladly recommend Zen8labs to anyone looking for insurance solutions.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Empowering Businesses to Become AI Ready and Data Driven

    Third Rock Techkno is an AI-driven product engineering company specializing in AI-powered education platforms, generative AI solutions, and scalable digital products for startups and enterprises...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Web Design
    • ERP Consulting
    • Show more
    Location
    San Jose, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed

    Third Rock Techno Services

    • AI Development
    • Software Development
    • Mobile App Development
    • Web Design
    • ERP Consulting
    • IT Compliance Solution
    • DevOps Consulting
    • Staff Augmentation
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • National Institute for Newman Studies
    • Digital TextBook
    • Course Correct
    • Auth Security
    • BlackMon
    Data sourced from the agency's DesignRush profile
  • Proactive Defense Proven Expertise

    OC Security Audit provides expert IT and cybersecurity services, including network and system administration, security assessments, penetration testing, vulnerability management, compliance audits (HIPAA, PCI-DSS, ISO 27001), cloud security, firewall configuration, disaster recovery, endpoint protection, and...

    Top Services:

    • Cybersecurity
    • Managed Services
    • IT Services
    • IT Compliance Solution
    • Cloud Consulting
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000

    OC Security Audit Services

    • Cybersecurity
    • Managed Services
    • IT Services
    • IT Compliance Solution
    • Cloud Consulting
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Hardware & Networking Industry
    • Hospitality Industry
    • Health Care Industry
    Data sourced from the agency's DesignRush profile
  • Secure Your Business. Transform Your Operations. Empower Your People.

    Heroic Technologies delivers trusted IT and cybersecurity solutions with an average response time of under 10 minutes and a 98%+ client satisfaction rating. As cyber threats continue to rise, with ransomware impacting two-thirds of businesses and cybercrime costs nearing $10 trillion, we empower organizations...

    Top Services:

    • Managed Services
    • Cybersecurity
    • IT Compliance Solution
    • IT Services
    • Staff Augmentation
    • Show more
    Location
    Campbell, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000

    Heroic Technologies Services

    • Managed Services
    • Cybersecurity
    • IT Compliance Solution
    • IT Services
    • Staff Augmentation
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • VLP Law Group
    • Vitus
    • Diamond Foundry
    Data sourced from the agency's DesignRush profile

    Heroic Technologies Reviews & Testimonials

    • Adam Ally
      Adam Ally Review from Google
      5.0

      Adam Ally's Review Sourced from Google

      This office handles our IT and it is always helpful, proactive, responsive, and friendly. Very thankful for this team supporting us!

    • Drew Harrison
      Drew Harrison Review from Google
      5.0

      Drew Harrison's Review Sourced from Google

      Nick and his team are great to work with, and very knowledgeable when it comes to all things IT and cybersecurity. Fast and friendly support that can help with any tech issues and needs.

    • Michael Ferrel
      Michael Ferrel Review from Google
      5.0

      Michael Ferrel's Review Sourced from Google

      Been working with the guys at heroic for 20 years. These are top notch professionals with very deep experience. I have worked with them in the data center, on site and in the cloud. Have used them for managed services, large projects, small projects and everything in between. I trust them completely. Not only are they really great at what they do, they are also genuinely outstanding human beings. Look no further.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Building Intelligent Software Solutions

    Cygnis Media, a top-tier custom software development company and leading IT consulting service provider in the USA, is synonymous with excellence. They specialize in creating bespoke software solutions tailored to meet diverse business needs. With a keen eye for innovation and a customer-first approach...

    Top Services:

    • Web Development
    • eCommerce Development
    • Creative Services
    • Blockchain
    • Software Development
    • Show more
    Location
    Pleasanton, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000

    Cygnis Services

    • Web Development
    • eCommerce Development
    • Creative Services
    • Blockchain
    • Software Development
    • Mobile App Development
    • AI Development
    • Big Data Analytics
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • NFL
    • MIT
    • Samsung
    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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