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 × Gaming × $1,000 - $10,000 ×Clear Filters
  • We create digital products and grow with our partners!

    Rocketech is a software development company collaborating with 100+ Middle and Senior level IT and business professionals and specialising in analytics-driven web and mobile development. Our team has released 150+ products for 100+ startups and enterprises...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • Blockchain
    • UI/UX Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed

    Rocketech Development Services

    • Mobile App Development
    • Web Development
    • Software Development
    • Blockchain
    • UI/UX Design
    • Digital Services
    • Managed Services
    • Market Research
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Walmart
    • Unilever
    • Vodafone
    • Saudi Aramco
    • IQ Option
    • HAYS
    • McKensey & Company
    • DBS
    • Aleta Planet
    • Halyk Bank
    Data sourced from the agency's DesignRush profile

    Rocketech Development Reviews & Testimonials

    • Andrey Bezsonov
      Andrey Bezsonov Lead at Absolute Live Gaming
      5.0

      Web Development Review from Andrey Bezsonov

      We tasked Rocketech with building a roulette system that could live-stream game results directly from an offline casino. There were 3 iterations of the project. The solution has mobile and web versions, supports more than 30 integrations, and provides different monetization channels.Overall, we saved 9 times the budget, while getting high-quality services. The platform handles more than 20K players worldwide and 2 million bets a year. Weve been successful on the market for more than 5 years.

    • Victoria Oros
      Victoria Oros CEO at Zuzan Global Soultions
      5.0

      Software Development Review from Victoria Oros

      ROCKETECH helped us set up the development of our scheduling service. Professional developers, great support, good communication and synchronization with the core team.What was it about the company that you didn't like, what should they do better?Duration of recruiting process, good developers is hard to find good if you can make it faster in few days Coaching of Product owner more deeply

    • Ainar Abdrakhmanov
      Ainar Abdrakhmanov CEO & Founder at Babystep TV
      5.0

      Design Services Review from Ainar Abdrakhmanov

      Babystep is a Learning Management Platform (LMS) for parents who want to implement innovative teaching methods into their kids' learning curve. The platform connects parents to learning experts and provides accessible consults all over the world. The website combines the functionality of a social media and marketplace, serving as a ground for communication, blogging, and service exchange.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Full Stack Digital Product Development Company

    DigiTrends is a full-stack digital agency with a strong mission to digitize various sectors, ranging from Pharma and Fintech to e-commerce and retail. With proven experience and expertise, we have earned the trust of over 600+ brands, including globally renowned enterprises and fortune 500 companies...

    Top Services:

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • VR/AR
    • Web Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    21 Projects Listed

    DigiTrends Services

    • Mobile App Development
    • Web Development
    • eCommerce Development
    • VR/AR
    • Web Design
    • AI Development
    • Software Development
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • GSK
    • Nestle
    • Abbott
    • Sanofi
    • Pfizer
    • Bill & Melinda Foundation
    • Government of Pakistan
    • Novo Nordisk
    • Roche
    • Novartis
    Data sourced from the agency's DesignRush profile

    DigiTrends Reviews & Testimonials

    • Dr Saima Asif
      Dr Saima Asif CEO & FOUNDER at DIGIPILL
      5.0

      Mobile App Development Review from Dr Saima Asif

      It was a wonderful experience with Digitrends. I appreciate their amazing work in leading and shaping health technology. No doubt, the entire team worked with dedication and commitment for [the] timely management of the project. (Verified via email)

    • Shahzaib Shah
      Shahzaib Shah Director at Superwomen Pakistan
      5.0

      Mobile App Development Review from Shahzaib Shah

      Our goal was to create a mobile app that would improve self-care management for all women and provide them with access to necessary and affordably priced personal care items. DigiTrends application was successful in providing important details, raising health awareness and instructing women on how to improve their hygiene. They handled problems methodically and their competence and effective management style stood out above all else.

    • Shahzaib Shah
      Shahzaib Shah COO at Pakistan Beat
      5.0

      Web Development Review from Shahzaib Shah

      Pakistan Beat's mission and vision are to present intriguing, unique stories that will make people think. We needed a platform to share news and information with everyone.DigiTrends quickly delivered a userfriendly website and we were very pleased with the deliverables and impressed by the collaboration as their team of service providers was open, efficient, and communicative.Due to the complete transparency of the entire process, there were no obstacles throughout development or communication

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • We Are the Last Name in AR/VR!

    Queppelin, known as a pioneering Metaverse company, boasts a remarkable 12-year journey with a team of experts delivering successful projects globally, especially in gaming development...

    Top Services:

    • VR/AR
    • AI Development
    • Blockchain
    • Software Development
    • eCommerce Development
    • Show more
    Location
    Long Beach, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed

    Queppelin Technology Solutions Services

    • VR/AR
    • AI Development
    • Blockchain
    • Software Development
    • eCommerce Development
    • Web Design
    • IT Services
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Tanishq
    • Google
    • Emirates NBD
    • Hindustan Unilever Limited
    • Facebook
    • House of Sparta
    • EY
    • Secret Agent Society
    • KDDI
    • TATA
    Data sourced from the agency's DesignRush profile

    Queppelin Technology Solutions Reviews & Testimonials

    • Hridja Tripathi
      Hridja Tripathi Marketer at DT Pvt. Ltd.
      4.8

      3D Animation Review from Hridja Tripathi

      I engaged the Queppelin team to convey our company story using 3D models and animating it. It turned our pretty well. I would love to engage with them on Metaverse related projects as well that they had showed me references of.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • A Startup-Friendly IT Company

    ConsultingWhiz, a pioneering software and mobile solutions provider based in the USA, stands as a leading force in the industry...

    Top Services:

    • Mobile App Development
    • IoT
    • VR/AR
    • AI Development
    • Software Development
    • Show more
    Location
    Orange County, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed

    ConsultingWhiz Services

    • Mobile App Development
    • IoT
    • VR/AR
    • AI Development
    • Software Development
    • eCommerce Development
    • Web Development
    • Web Design
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Denial Scott
    • John Hannes
    • Jackie
    • Cerolina Rose
    • Ronny Ludlow
    • Dan Brown
    • Loius H.
    • Eliza Nike
    Data sourced from the agency's DesignRush profile

    ConsultingWhiz Reviews & Testimonials

    • Amina Sharif
      Amina Sharif Review from Google
      5.0

      Amina Sharif's Review Sourced from Google

      If you want to work with a legit & amazing app developing company, this is it! Mikel was very helpful with the onboarding process and Jess really helped bring my vision to life. They are very responsive , you don’t have to worry about how your project is going. Also, their pricing is fair.

    • Jack Maroney
      Jack Maroney Review from Google
      5.0

      Jack Maroney's Review Sourced from Google

      Working with Consulting Whiz has been an incredible experience! Super high quality work, great communication, and very professional. We are continuing to work with them as our company scales and looking forward to a successful future together. Highly recommend working with them if you want a great product delivered and on time!

    • Keith Steele
      Keith Steele Review from Google
      5.0

      Keith Steele's Review Sourced from Google

      Mikel and his team were great to work with. They took our vision of what we wanted and helped us expand on it. Clear lines of communication and they were pleasant to work with. 10/10

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Innovative and intelligent technology solutions and services

    If we break down the essence of Luminoguru, it is made up of two words: 'Lumino' meaning 'Light' and 'Guru' meaning 'Teacher'. In the realm of work, light symbolizes clarity and inspiration. Like a guiding beacon, it lightens up ideas, nurtures creativity, and transforms the workspace into a realm where...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • eCommerce Development
    • IoT
    • Show more
    Location
    Nevada City, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000

    LuminoGuru Services

    • Mobile App Development
    • Software Development
    • Web Development
    • eCommerce Development
    • IoT
    • AI Development
    • Blockchain
    • Web Design
    • UI/UX Design
    • WordPress Website Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Air Sniper
    • Biterite
    • BMI Inspect
    • Numberwise
    • Rock Paper Scissor
    • BC Dok
    • Mc Donalds
    • GetBoldify
    • Mobiloud
    • Mixbloom
    Data sourced from the agency's DesignRush profile

    LuminoGuru Reviews & Testimonials

    • Veer Laller
      Veer Laller CEO at Society of Scholars
      5.0

      Web Development Review from Veer Laller

      Working with LuminoGuru has been an incredible experience. From the beginning, their team was punctual, communicative, and fully committed to making the process smooth and stress-free. They helped develop our platform for Society of Scholars (SOS), and the quality of work exceeded expectations. What stood out the most was their ability to stay on schedule and maintain clear, consistent communication throughout the entire project. I truly feel like I've found a long-term partner and look forward to growing with them in the future. I highly recommend LuminoGuru to anyone looking for a reliable and innovative tech solutions team.

    • Vitor Argos
      Vitor Argos Director at MobiLoud
      5.0

      Web Development Review from Vitor Argos

      We've been working with LuminoGuru on several projects for years now, and we are extremely satisfied with the work provided.Communication has always been on point in all different channels that we use (Slack, emails, calls).Their quality standards is above all development agencies we've worked with until now, and that's one of the main reasons why we have extended our collaboration for so much time.The team is not only talented, but they're also genuinely invested in our success. They take the time to understand our goals, offer creative solutions, and consistently deliver above and beyond our expectations.

    • Dhruv Aggarwal
      Dhruv Aggarwal Founder at DA Global Ltd
      5.0

      Web Development Review from Dhruv Aggarwal

      They were highly responsive and understanding of my needs. They executed in a timely manner and fulfilled all needs. They are one of the best IT partners in the industry.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • Digitize Your Ideas!

    Ideators, an Incorporated Registered Firm with a presence & clientele in Florida, Texas, Boston, San Francisco, Australia, Hong Kong, & Portugal is an emerging Digital Services & Solutions Firm. We ensure to integrate the expertise of the team professionals along with innovativeness, and your requir...

    Top Services:

    • Software Development
    • Software Testing
    • Mobile App Development
    • IT Services
    • Managed Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000

    Ideators Services

    • Software Development
    • Software Testing
    • Mobile App Development
    • IT Services
    • Managed Services
    • Web Design
    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Verizon
    • KPMG
    • Xerox
    • CVS Health
    • Lendlease
    • State University of New York
    • ATOS
    • Amalgamated Bank
    • Eagle Creek
    • Phase2
    Data sourced from the agency's DesignRush profile
  • From The Silicon Steppe To Silicon Valley

    Aunimeda Software is a premier IT agency specializing in high-performance Next.js development, international SEO, and strategic branding. Established in 2010, we bridge the gap between US business standards and elite Central Asian engineering. With a 24/7 "Follow-the-Sun" development cycle across our hubs in...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Design
    • Web Development
    • AI Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000

    Aunimeda Services

    • Software Development
    • Mobile App Development
    • Web Design
    • Web Development
    • AI Development
    • CRM Consulting
    • Cloud Consulting
    • DevOps Consulting
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Diamond Gold Company
    • Gems Of Solomon
    • Flat
    Data sourced from the agency's DesignRush profile

    Aunimeda Reviews & Testimonials

    • Demi_ Graf
      Demi_ Graf Review from Google
      5.0

      Demi_ Graf's Review Sourced from Google

      Aunimeda delivered an exceptional app development service! Their team was highly professional, responsive, and dedicated to meeting our requirements. The mobile app was built with top-notch quality, seamless functionality, and on-time delivery. Also helped with publishing. Highly recommended for anyone looking for a reliable mobile app development company!

    • levask7
      levask7 Review from Google
      5.0

      levask7's Review Sourced from Google

      Best web dev I’ve ever worked with hands down. I definitely recommend Aunimeda for anyone needing a great web design, mobile app and Artificial intelligence things

    • Ursa
      Ursa Review from Google
      5.0

      Ursa's Review Sourced from Google

      It was my very first WordPress website, and Andrei and his team at Aunimeda made the whole process incredibly smooth. I didn't have a clear vision of the design,I just knew I wanted a great user experience. We decided to go with a fully custom design, and it was worth every penny. They went above and beyond my expectations.The project manager was fantastic to work with, always responsive, professional and patient. Communication was clear from start to finish, and the team perfectly translated my ideas into reality.If you're building your first website or looking to level up your online presence, you can't go wrong with Aunimeda. They're a team of true professionals who actually care about the result and the client.Update Nov 2025: Worked with them again to resolve a technical issue on my site. As always, fast, friendly, and reliable servise.

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

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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