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 × Automotive × $10,000 - $25,000 ×Clear Filters
  • 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
  • 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
  • AI-Native Product Engineering Company

    Developer Bazaar Technologies is a Top AI Development company building custom Mobile App & Software Development and specializing in building AI Solutions delivering mesurable outcome...

    Top Services:

    • Mobile App Development
    • eCommerce Development
    • Software Development
    • IT Services
    • Staff Augmentation
    • Show more
    Location
    Fremont, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    6 Projects Listed

    Developer Bazaar Technologies Services

    • Mobile App Development
    • eCommerce Development
    • Software Development
    • IT Services
    • Staff Augmentation
    • AI Development
    • CRM Consulting
    • Software Testing
    • Wearables
    • ERP Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • upGrad
    • InfoBeans
    • Low's Pro Supply
    • GPT Group
    • 2030 Ventures
    • Kwiki Sweeps
    • Creative soul
    • Disruptors Capital
    • ASTE Motori
    Data sourced from the agency's DesignRush profile

    Developer Bazaar Technologies Reviews & Testimonials

    • Sakshi Jain
      Sakshi Jain Sales Manager at Heliverse Technologies
      5.0

      Mobile App Development Review from Sakshi Jain

      We collaborated with Developer Bazaar Technology to build an on-demand service app and were impressed by their expertise, timely delivery, and seamless communication. Using Flutter, they developed a user-friendly, feature-rich app tailored to our needs, with excellent post-launch support ensuring smooth operations. The app has enhanced our efficiency and customer satisfaction, and we highly recommend them for quality app development.

    • SHIVMOHAN MISHRA
      SHIVMOHAN MISHRA Developer at Tarkik Tech
      5.0

      Mobile App Development Review from SHIVMOHAN MISHRA

      The projects success was evident through several measurable outcomes. Post-launch, we observed a significant increase in user engagement and a growing number of service bookings through the app. User feedback was overwhelmingly positive, highlighting the apps ease of use and the convenience it provided

    • Ashish Sharma
      Ashish Sharma Business development Manager at Oaktree Software pvt ltd
      5.0

      Mobile App Development Review from Ashish Sharma

      We hired Developer Bazaar Technologies to develop a user-friendly and efficient car rental app using Flutter to streamline our car rental operations and enhance customer experience.The scope of work included developing a cross-platform car rental app using Flutter, which involved creating user registration and login features, car listing and booking functionalities, payment gateway integration, real-time GPS tracking, and an admin panel for managing bookings and customer data. Key deliverables included the fully functional app, comprehensive testing, and post-launch support.The measurable outcomes included a significant increase in online bookings, positive user feedback on app usability, and a reduction in manual processing time for car rentals. The app achieved a 4.8-star rating on app stores within the first three months of launch.Their project management was excellent. They delivered all milestones on time and were very responsive to our needs, providing regular updates and promptly addressing any issues that arose during development.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • AI | Gen-AI | Blockchain | IT Staff Augmentation | Mobile App

    Quytech is a leader in digital innovation of global startups, SMEs, and Fortune 500 organizations. With 14+ years of experience and strong technology expertise, we deliver digital-first experiences that help businesses stay competitive.View the Quytech Reviews, Portfolio, and Services...

    Top Services:

    • Mobile App Development
    • AI Development
    • Blockchain
    • IoT
    • Software Development
    • Show more
    Location
    Walnut, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed

    Quytech Services

    • Mobile App Development
    • AI Development
    • Blockchain
    • IoT
    • Software Development
    • Big Data Analytics
    • Staff Augmentation
    • eCommerce Development
    • DevOps Consulting
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Gabriel
    • Eastman
    • Illusio
    • Honda
    • Marks-Spencer
    • Petrofac
    • Classic polo
    • Godfrey Phillips India Limited
    • Pernod Ricard
    • Polycab
    Data sourced from the agency's DesignRush profile

    Quytech Reviews & Testimonials

    • Guru Hariharan
      Guru Hariharan CEO at CommercelQ
      5.0

      Mobile App Development Review from Guru Hariharan

      I engaged Quytech to create an exciting and engaging website for our users. Additionally, by assisting our users in achieving their goals and encouraging repeat visits, they aid to increase our users' conversion rates. They met our deadlines and were always available to answer questions. They collaborate well with us and have excellent communication abilities.

    • Jonathan Woodrow
      Jonathan Woodrow CEO at LivingPath
      5.0

      Mobile App Development Review from Jonathan Woodrow

      QUYTECH project management was exemplary. They delivered items on time, meeting all project milestones and deadlines. Their team was highly responsive to our needs, promptly addressing any queries or modifications that arose during the development process. Their proactive approach and ability to suggest innovative solutions added value to the project. We recommend them to others

    • Lyn Bryan CEO at Major Tom
      5.0

      Web Development Review from Lyn Bryan

      I hired Quytech to develop a site that thrills and engage our users. They also help to improve our users conversion rate by helping them in leading their objective and keep them coming back. They delivered the project on time and respond to our needs anytime. Their communication skills is also good with us and also have good teamwork skills.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Transforming businesses with custom AI development

    Xicom has been building software and mobile apps that moves businesses forward. Over 20+ years, we have grown into a trusted AI development company, delivering 1800+ projects to 750+ clients across 50+ countries, including startups, SMBs, and enterprises...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Web Development
    • eCommerce Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed

    Xicom Services

    • AI Development
    • Mobile App Development
    • Software Development
    • Web Development
    • eCommerce Development
    • Web Design
    • IT Services
    • Blockchain
    • Wearables
    • IoT
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • JobMinglr
    • TodayFit
    • KIA
    • Disney
    • Adidas
    • GoGmGO
    • Tap Retail
    • IELTS
    • FlirtFlex
    Data sourced from the agency's DesignRush profile

    Xicom Reviews & Testimonials

    • Ali Rashid Developer at Net Insight
      5.0

      Software Development Review from Ali Rashid

      Xicom has been a strong partner for the last five years that we have hired them for varied projects in iPhone app development and Android app development as well. The Xicom team is technically professional and knows about the current trends in the mobile app development market.

    • Jasper.B Stewart
      Jasper.B Stewart Review from Google
      5.0

      Jasper.B Stewart's Review Sourced from Google

      I started with just an idea and no technical background, but the team made the entire process smooth and easy to understand their expert team guided me through every stage, handled the planning and billing clearly and professionally. The app they developd for my business now helps us manage online customer bookings efficiently and saves our team hours every week. It’s been a great experience working with Xicom.

    • Roger T. Oliver
      Roger T. Oliver Review from Google
      5.0

      Roger T. Oliver's Review Sourced from Google

      partnering with Xicom for AI development services was an excellent experience. Their team demonstrated strong technical expertise, transparent communication, and a clear understanding of our business goals from the very beginning, they quickly adapted to our evolving requirements and delivered a scalable AI solution on time and within budget. especially appreciated their honest recommendations, which helped us focus on the features that truly added value. highly recommended for reliable and future-ready AI development solutions.

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

    Top Services:

    • Mobile App Development
    • Software Development
    • IoT
    • UI/UX Design
    • Product Design
    • Show more
    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
  • Clarity, Strategy, and Transformation

    Im Aman Vohra, a Canadian program management leader specializing in ERP and digital transformation. Over the past two decades, Ive helped organizations like Haytrol, Dominos, FedEx, TELUS, and Rogers rescue complex programs and deliver measurable outcomes...

    Top Services:

    • ERP Consulting
    • IT Services
    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000

    Aman Vohra Consulting Services

    • ERP Consulting
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Haytrol
    • Dominos
    • FedEx Logistics
    • TELUS Digital
    • Rogers
    • Bank of America
    Data sourced from the agency's DesignRush profile
  • Build Better Software.

    Tech.us is an AI software solutions company that provides AI development, mobile applications, cloud consulting, and IT services. We focus on creating secure, scalable, and innovative technologies that support businesses in their digital journey...

    Top Services:

    • AI Development
    • Mobile App Development
    • IT Services
    • Software Testing
    • Cybersecurity
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000

    Tech.us, Inc Services

    • AI Development
    • Mobile App Development
    • IT Services
    • Software Testing
    • Cybersecurity
    • Cloud Consulting
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Ivionics
    • OpenGym
    • IDP Consulting
    • Zone
    • Trader PhD, LLC
    Data sourced from the agency's DesignRush profile
  • Building Smart Enterprise Solutions For Growing Businesses.

    ITColark Consulting delivers customized enterprise software and IT solutions that help businesses streamline operations, scale efficiently, and achieve digital growth...

    Top Services:

    • Mobile App Development
    • DevOps Consulting
    • IT Services
    • eCommerce Development
    • AI Development
    • Show more
    Location
    California City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $11/hr
    Minimal Budget
    $10,000 - $25,000

    ITColark Consulting Services

    • Mobile App Development
    • DevOps Consulting
    • IT Services
    • eCommerce Development
    • AI Development
    • Cybersecurity
    • Digital Marketing
    • Software Development
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Corporate Services Industry
    • Fintech Industry
    • eCommerce Industry
    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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