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

Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.

United States × California × Design × $1,000 - $10,000 ×Clear Filters
  • Helping Forward Thinking Companies Transform Digital Visions Into Value

    GenAI Labs builds AI agents, workflow automation, and custom AI products, with 100+ models deployed across 10+ industries. The IT services agency suits mid-size to enterprise businesses in biotech, eCommerce, or SaaS seeking measurable AI integration...

    Top Services:

    • AI Development
    • Web Development
    • Software Development
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Engineering Intelligent Solutions Through Design and Code - Web, Mobile AI, Blockchain

    SapientPro is a custom software, design, and AI development team. Since 2017, we've shipped 200+ projects in the US and EU, with offices in New York, Tallinn, and Lucerne. Most clients come back for a second project, the metric we actually care about...

    Top Services:

    • AI Development
    • eCommerce Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    20 Projects Listed
  • Software, mobile and SaaS application development since 2004.

    We are located in beautiful Phoenix, Arizona, and we can meet you in person anywhere in Arizona or Southern California. We have clients coast to coast and we have a long and proud history as a technology advocate for small business. To learn more, call us at 623-845-2747 or visit datatitan.com...

    Top Services:

    • Mobile App Development
    • Software Development
    • IT Services
    • Digital Services
    • Digital Strategy
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • We make a Difference.

    Differenz Force is your trusted Salesforce development partner, delivering tailored solutions that streamline operations, enhance productivity, and drive business growth. Our certified experts specialize in Salesforce implementation, customization, integration, automation, and cloud solutions, ensuring...

    Top Services:

    • IT Services
    Location
    California City, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Empower Your Business with Stability, Security, and Scalability.

    Since 2001, Consilien has helped SMB and mid-market companies run secure, stable IT that scales with the business. We're a security-first MSP offering Managed and Co-Managed IT, Managed Cybersecurity, compliance readiness (CMMC, NIST, SOC 2, PCI), vCIO and vCISO leadership, and AI governance...

    Top Services:

    • Managed Services
    • Cybersecurity
    • IT Services
    • IT Compliance Solution
    • Cloud Consulting
    • Show more
    Location
    Torrance, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    8 Projects Listed
  • Turning Vision Into Value

    Tivora is a forward-thinking IT solutions provider dedicated to helping businesses grow through innovation, technology, and tailored digital strategies. With a strong focus on delivering customized solutions, Tivora empowers organizations to align their technology with business goals, enabling long-term...

    Top Services:

    • IT Services
    • Managed Services
    • Cloud Consulting
    • Software Development
    • Show more
    Location
    Fresno, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000
  • Managed IT Service Provider & Cybersecurity Specialists

    DLL Techs is a reputable Managed IT & Security Service Provider and Cybersecurity Specialists catering to small and medium-sized businesses. We offer an array of additional services, including web development, marketing, and media services...

    Top Services:

    • IT Services
    • Cybersecurity
    • IT Compliance Solution
    • Cloud Consulting
    • Managed Services
    • Show more
    Location
    Glendora, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $1,000 - $10,000
  • Think Partner, Not Agency

    Acquaint Softtech is an Official Laravel Partner with 15+ years of experience in software development. We specialize in Laravel solutions and excel in IT staff augmentation, remote development teams and outsourcing to deliver scalable, best results...

    Top Services:

    • Staff Augmentation
    • IT Services
    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Show more
    Location
    Highland, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • Quality Is An Attitude

    Megamax Services helps businesses manage IT, modernize legacy systems like IBM iSeries/AS400, move to the cloud, build custom software, and strengthen cybersecurity. With 300+ IT professionals across 12 global delivery centers, it also offers DevOps, data & AI services, and Kasturi HRMS...

    Top Services:

    • Cybersecurity
    • IT Services
    • Web Development
    • Digital Marketing
    • Software Development
    • Show more
    Location
    San Jose, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $48/hr
    Minimal Budget
    $1,000 - $10,000
  • Bring Business Online And Grow Sales

    Sinelogix Technologies: Your Digital Success Partner Since 2012. Elevate with Irresistible Web Design, Development, and SEO. At Sinelogix we do not pull any marketing stunts on our clients, we address the clients needs directly to the point so that it can be time effective and cost effective. Sinelogix...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Newark, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • 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
  • Thinking Outside The Box

    City of Trees Tech is a Sacramento-based technology firm helping businesses build smarter, stronger digital foundations. We specialize in custom websites, web and mobile apps, CRM solutions, automation, and digital marketing designed to improve efficiency, visibility, and growth. Backed by a global team of...

    Top Services:

    • Web Design
    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • SEO
    • Show more
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • AI Enabled Digital Transformation

    Nextwebi, a technology-driven digital transformation company delivering intelligent, AI-powered solutions to businesses of all sizes. We partner with startups, SMEs, & enterprises & help them adopt modern tech that improve efficiency, enhance customer experiences, &unlock new growth opportunities...

    Top Services:

    • Web Development
    • Software Development
    • IT Services
    • Managed Services
    • Digital Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Your Trusted IT Consulting Company for Business Success.

    TST Technology is an IT consulting company that offers services such as UI/UX design, web and mobile app development, software development, and SaaS product development. They have completed over 40 projects across 15+ industries...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Web Development
    • Software Development
    • IT Services
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Crafting Websites, Creating Success!

    Invoxico Technologies is an adept company in web design and development, acknowledged for its proficiency in crafting customized digital solutions. Their expert team focuses on UI/UX design, web development, CMS development, eCommerce solutions, and mobile app development, and offers a complete range of...

    Top Services:

    • Web Design
    • eCommerce Development
    • UI/UX Design
    • Web Development
    • WordPress Website Design
    • Show more
    Location
    La Puente, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000

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Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
129,437+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

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We monitor listings regularly; outdated agencies are removed.

Agencies verified
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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.