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 × Construction × $1,000 - $10,000 ×Clear Filters
  • Cutting Edge Managed IT Services

    Smile Global was founded with a simple yet powerful belief every organization, no matter its size, deserves enterprise-level IT consulting and support at an affordable cost. We saw the challenges that non-profits and small to mid-size businesses faced with technology and knew there was a better way...

    Top Services:

    • Managed Services
    • Cybersecurity
    • IT Services
    • Cloud Consulting
    • IT Compliance Solution
    • Show more
    Location
    Ventura, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project 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
  • 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
  • All-inclusive IT. Secure, proactive, and built to scale.

    Advanced Networks delivers fully managed IT and cybersecurity from our Los Angeles HQ and offices in Orange County and San Francisco, serving Southern California and the Bay Area. Unlimited support, proactive monitoring, and a full security stack, on a fixed monthly rate with no surprise costs...

    Top Services:

    • Managed Services
    • IT Services
    • Cloud Consulting
    • Cybersecurity
    • IT Compliance Solution
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
  • Decoding Innovation

    MoogleLabs leverage AI/ML, Blockchain, DevOps,Low Code/No Code platforms, AI Testing and Data Science to come up with the best solutions for diverse businesses...

    Top Services:

    • AI Development
    • Blockchain
    • Software Development
    • Mobile App Development
    • IT Services
    • Show more
    Location
    Emeryville, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/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
  • Transforming Ideas into Impactful Digital Solutions.

    Rivo Agency is a leading custom software development firm dedicated to delivering innovative web and mobile solutions. With a focus on industries like healthcare, e-commerce, and construction, our expert team harnesses the latest technologies to create secure, scalable applications that drive business...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • WordPress Website Design
    • eCommerce Development
    • Show more
    Location
    Citrus Heights, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 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
  • Empowering Businesses With Insightful Technology.

    Insightful Networks is a leading technology solution provider founded in 1998, offering comprehensive IT services to businesses in the Los Angeles area. With a dedicated team of IT professionals, it prioritizes reliability, responsiveness, and quality in addressing clients' technology needs. Insightful...

    Top Services:

    • IT Services
    • Managed Services
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000
  • For over 25 years, Acorn IT Services has helped businesses eliminate IT instability, reduce cybersecurity exposure, and scale with confidence through fully managed IT, cloud, and security solutions, serving mid-sized organizations that cannot afford downtime, compliance gaps, or reactive IT...

    Top Services:

    • IT Services
    • Cybersecurity
    Location
    Ontario, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/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
  • Turning Technology Into Business Growth

    Quantazone is a technology and AI solutions company helping businesses modernize operations, automate workflows, and build smarter digital systems. From ERP, CRM, HRMS, and cloud solutions to AI and marketing automation, Quantazone combines technology, strategy, and industry expertise to create scalable...

    Top Services:

    • ERP Consulting
    • CRM Consulting
    • AI Development
    • Cloud Consulting
    • Digital Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • Proven Technology. Real Relationships.

    CIO Solutions is a managed services provider supporting the information technology solutions of small to mid-sized businesses throughout the Central Coast and Central Valley of California. Full offices located in Fresno, Santa Barbara, and San Luis Obispo serve local businesses. Expert technicians and...

    Top Services:

    • IT Services
    • Cybersecurity
    • Cloud Consulting
    Location
    Fresno, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • AI-driven custom software development for complex, high-growth industries.

    NEKLO is an international custom software development partner. Since 2008, weve specialized in building and scaling digital products for high-stakes industries, including Healthcare, Fintech, Energy, and Construction...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Product Design
    • Software Testing
    • Show more
    Location
    Burlingame, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 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
  • Highly Rated Cyber Security & IT Company

    Intelecis is a renowned Managed Security Service Provider (MSSP) in the United States and the United Kingdom. We are dedicated to providing organizations with the most dependable, secure, and competent IT Security and Support service possible. When you deal with the most highly rated Cyber Security Company as...

    Top Services:

    • IT Services
    • Cybersecurity
    • Managed Services
    • IT Compliance Solution
    • Cloud Consulting
    • Show more
    Location
    Fullerton, California
    Number of Employees
    50 - 99
    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
  • Helping Businesses Soar Beyond Technology Challenges

    Soaring Towers is a Southern California MSP built specifically to better protect SMBs from the latest threats. Founded in 2017 with a business-first philosophy, we deliver managed IT, 24/7 SOC-backed cybersecurity, Microsoft 365 management, and strategic IT consulting that fits your operations, not the other...

    Top Services:

    • IT Services
    • Cloud Consulting
    • Cybersecurity
    • Managed Services
    • Staff Augmentation
    • Show more
    Location
    Culver City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $220/hr
    Minimal Budget
    $1,000 - $10,000
  • Make the Right Choice.

    Top ranking Microsoft Dynamics Partner providing consultation for Dynamics 365 CRM, NetSuite, Dynamics 365 Business Central, Salesforce, SharePoint, BI, Custom Software Development, Web app development, Azure with other Microsoft Solutions. AlphaBOLD based in San Diego, USA. Contact Us Now!...

    Top Services:

    • CRM Consulting
    • ERP Consulting
    • Cloud Consulting
    • AI Development
    • IoT
    • Show more
    Location
    Carlsbad, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • 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
  • 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
  • Digital transformation for your business.

    Product and Software Development, IT Consulting Services and Managed IT...

    Top Services:

    • Mobile App Development
    • Software Development
    • IT Services
    • Cybersecurity
    • Managed Services
    • Show more
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    $1,000 - $10,000
  • 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
  • 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

    TechmedicsĀ® 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
  • Enabling Intelligent Enterprises

    Netwoven empowers Intelligent Enterprises by solving complex business challenges through the strategic use of Microsoft technologies. We help organizations modernize, optimize, and secure their digital workplace, business processes, and IT ecosystems...

    Top Services:

    • CRM Consulting
    • ERP Consulting
    • Big Data Analytics
    • Managed Services
    • Cloud Consulting
    • Show more
    Location
    Pleasanton, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $130/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
  • 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

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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:Ā 

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.Ā Ā 

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.Ā 

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.Ā Ā 

  • Basic packages cover help desk support, monitoring, and maintenanceĀ 
  • Mid-range plans include security management, cloud services, and data backupsĀ 
  • Higher-end packages add advanced cybersecurity, compliance support, and strategic IT consultingĀ 

Project-based work, like migrations or infrastructure upgrades, is usually billed separately at hourly rates.Ā 

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:Ā 

  • 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.Ā Ā 

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.Ā 

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.Ā Ā 

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.Ā