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 × Nonprofit × $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
  • Our Award-Winning IT Services Help Organizations Win with Technology.

    Our mission is to unleash the potential of growth-oriented businesses through collaborative partnerships, exceptional service, and comprehensive managed IT solutions. To accomplish that, we use The Exigent Method, a proven process for road mapping your IT journey to align with your goals...

    Top Services:

    • Managed Services
    • IT Services
    • Cybersecurity
    • Cloud Consulting
    • IT Compliance Solution
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • Designed To Simplify, Secure, And Scale Your Business

    The 20 MSP delivers Managed IT Services that help businesses operate smarter, safer, and more efficiently across single and multi-location environments. We act as a true extension of your organization, providing proactive IT support, cybersecurity, cloud and Microsoft and Apple management, and strategic IT...

    Top Services:

    • Managed Services
    • IT Services
    • Cybersecurity
    Location
    Santa Cruz, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
  • 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
  • Business IT Made Simple

    Keep Your Business Moving with Smart IT...

    Top Services:

    • Managed Services
    • IT Services
    • Cybersecurity
    • IT Compliance Solution
    • Cloud Consulting
    • Show more
    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $1,000 - $10,000
  • We Exist To Help You Get It Right. The First Time.

    FUSE3 delivers comprehensive IT services with a focus on proactive solutions and personalized attention. The agency excels in IT support, consulting, outsourcing, and infrastructure design, ensuring scalable and enterprise-quality results. FUSE3's state-of-the-art network operations center enables reliable...

    Top Services:

    • IT Services
    • Managed Services
    • Cloud Consulting
    • Cybersecurity
    • IT Compliance Solution
    • Show more
    Location
    Fair Oaks, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000
  • Elevating Nonprofits With IT Solutions.

    Varsity Technologies offers tailored IT solutions for nonprofits and mission-driven organizations, addressing unique challenges while amplifying social impact through technology. With a commitment to diversity, equity, and inclusion, the company goes beyond traditional IT services to support its clients. As a...

    Top Services:

    • IT Services
    • Cloud Consulting
    • Cybersecurity
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000
  • IT, Business, BPO, Audit, Tax and Advisory are just the beginning.

    Grant Thornton LLP (US) is an IT, project management, audit, tax, AgTech, and BPO company headquartered in Chicago, Illinois with over 50 U.S. offices and access to a global network or member firms in over 135 countries. We offer a broad range of services in strategy and consulting, operations, technology and...

    Top Services:

    • Accounting
    • Business Consulting
    • Market Research
    • HR Outsourcing
    • Software Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Trusted By 100+ Orange County Businesses

    BRITECITY Orange County's Award-Winning Managed IT Partner. Delivering 24/7 managed IT services, cybersecurity, and cloud solutions to Irvine, Anaheim, and all of Orange County since 2007. Flat-rate, no-surprises support with on-site & remote helpdesk, HIPAA compliance, and zero-downtime migrations. Trusted...

    Top Services:

    • IT Services
    • Managed Services
    • Cloud Consulting
    • Cybersecurity
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $205/hr
    Minimal Budget
    $1,000 - $10,000
  • IT Consulting & Support for Small Businesses

    Razz Professional Services offers top-tier IT support, consulting, and managed services tailored for small businesses in Los Angeles. Providing reliable IT solutions, the agency guarantees seamless technology management, including proactive monitoring, network security, cloud solutions, and VoIP phone...

    Top Services:

    • Managed Services
    • IT Services
    Location
    Culver City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000
  • Clare Computer Solutions (CCS) is a San Ramon based managed IT services and cybersecurity provider supporting businesses across the San Francisco Bay Area. With decades of experience, CCS helps organizations modernize, secure, and optimize their technology environments for long-term growth...

    Top Services:

    • Managed Services
    • Cloud Consulting
    • IT Services
    • Cybersecurity
    • IT Compliance Solution
    • Show more
    Location
    San Ramon, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Enterprise-grade IT for the Inland Empire

    eTop Technology keeps Inland Empire businesses running with security-first managed IT. From our Redlands headquarters we support law firms, manufacturers, engineering firms, and professional services teams across Southern California with 24/7 monitoring, responsive help desk, compliance guidance, and cloud...

    Top Services:

    • Managed Services
    • Cybersecurity
    • IT Services
    • Cloud Consulting
    • IT Compliance Solution
    • Show more
    Location
    Redlands, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
  • Get Your AI Native IT Department

    Rollout AI is the AI-native IT department for growing businesses. Founded by operators from Google, DeepMind, and Apple, we combine responsive tech support, enterprise-grade cybersecurity, and intelligent workflow automation into one seamless service. We handle everything a traditional MSP does — helpdesk...

    Top Services:

    • Cybersecurity
    • Cloud Consulting
    • AI Development
    • Staff Augmentation
    • CRM Consulting
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $1,000 - $10,000
  • People Connecting Technology

    Techmedics® helps businesses get the most out of their technology investments by offering comprehensive IT support plans flexible enough for any sized business, in any industry...

    Top Services:

    • Cloud Consulting
    • Cybersecurity
    • Managed Services
    • IT Services
    • Staff Augmentation
    • Show more
    Location
    Pasadena, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
  • Stop threats. Stay Secure

    Vision Quest is a specialized cybersecurity and managed services provider serving the Sacramento professional community. The organization focuses on solving the shortage of high-level technical talent by providing managed detection and response (MDR), endpoint protection, and network security monitoring...

    Top Services:

    • Cybersecurity
    • Managed Services
    • IT Compliance Solution
    • IT Services
    • Cloud Consulting
    • Show more
    Location
    Citrus Heights, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
  • 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
  • CentraLink provides managed IT services in Pasadena, helping businesses improve performance, security, and reliability through proactive technology management. Services include 24/7 IT support, cybersecurity, cloud solutions, network support, helpdesk services, business continuity, and strategic IT...

    Top Services:

    • Managed Services
    • Cybersecurity
    • Cloud Consulting
    • IT Services
    • IT Compliance Solution
    • Show more
    Location
    Pasadena, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Turn Visibility Into Customers

    LoudFace is a full-stack organic growth agency for B2B SaaS and fintech, with AI visibility measured per engine. We run GEO, SEO, AEO, content, and conversion to get companies discovered across Google and AI search. We implement across your stack when the program needs it...

    Top Services:

    • Branding
    • Design Services
    • Digital Strategy
    • Web Development
    • AEO
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Global Web Development & Digital Marketing Experts

    DS Technologies is a global web design, development, and digital marketing agency. We specialize in creating innovative, custom solutions that drive measurable results. With expertise in SEO, UI/UX, and scalable web applications, we help businesses worldwide grow their digital presence and achieve sustainable...

    Top Services:

    • Graphic Design
    • Web Design
    • eCommerce Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000

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We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
130,031+
2

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

Applicants rejected
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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.