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 × Finance × $10,000 - $25,000 ×Clear Filters
  • M TECHUB LLC

    VerifiedVerified by the DesignRush team for authenticity and credibility.
    M TECHUB LLC, Where Ideas Become Scalable Digital Products

    M TECHUB LLC Leading Mobile App Development & Staff Augmentation Company in the USA...

    Top Services:

    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • AI Development
    • Web Development
    • Show more
    Location
    Mountain View, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    25 Projects Listed
  • Deep tech expertise for SME

    Light IT provides the following services on the global tech market:- consulting clients on IT products and services- custom product and software development- provision of resources at the clients' request- software delivery and maintenance- software quality assurance...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Software Testing
    • IT Services
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed
  • Transforming Enterprises with AI Applications

    ThirdEye Data Transforms Enterprises with Data & AI Solutions & Services. ThirdEye Data leverages Artificial Intelligence & Data technologies to build AI applications for enterprises worldwide...

    Top Services:

    • AI Development
    • Big Data Analytics
    • Software Development
    • IT Services
    • Staff Augmentation
    • Show more
    Location
    San Jose, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    23 Projects Listed
  • A Top-Class Google App Engine Development Company!

    Etelligens is an industry-leading custom software and Google app engine development company known for its reliable mobile and web development that delivers innovative solutions...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • IT Services
    • Blockchain
    • Show more
    Location
    Torrance, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
  • 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
  • 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
  • Innovative Salesforce Solutions. Lifelong Consulting Partners

    Cloudsquare is a Salesforce Consulting Partner and product developer that redefines Salesforce Consulting, taking full advantage of the Salesforce platform to deliver innovative, future-proof, and robust solutions pushing the system to its limits with every solution...

    Top Services:

    • IT Services
    • Cloud Consulting
    • CRM Consulting
    • Managed Services
    • Software Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $195/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
  • Smarter IT. Stronger Business.

    Zeta Sky set out to create a company of dedicated IT experts who could move businesses to the cloud and deliver greater flexibility and value. We provide secure, simple, and scalable solutions to meet your business needs and empower all teams, IT and non-IT alike...

    Top Services:

    • IT Services
    • Cybersecurity
    • Managed Services
    • Cloud Consulting
    • Show more
    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $14/hr
    Minimal Budget
    $10,000 - $25,000
  • We Bring The Tech. You Get The Wins.

    Teamvoy is an AI engineering and transformation partner. We help companies make smarter technology decisions and turn them into production-ready software...

    Top Services:

    • Software Development
    • AI Development
    • Design Services
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Covina, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • Technology, Innovation, Inspiration

    Mob Inspire is a software development company carrying an ambition to improve software standards used in various industries. Our solutions assist startups to attain stability and enable businesses to eliminate vulnerabilities in their tech infrastructure...

    Top Services:

    • Software Development
    • Wearables
    • IoT
    • Mobile App Development
    • VR/AR
    • Show more
    Location
    Palo Alto, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • Expert Cybersecurity Specialists for Tailored Solutions

    Infoguard Cybersecurity is a leading company specializing in providing comprehensive cybersecurity solutions, compliance and consulting services. Our expert team of cybersecurity specialists develops tailored solutions to protect government agencies and organizations against evolving threats. With a focus on...

    Top Services:

    • IT Services
    • Cybersecurity
    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $10,000 - $25,000
  • Accelerating Experiences With Synthesized Synergy

    Cyntexa is an international consulting and technology firm headquartered in San Francisco, USA, with a development center in Jaipur, India. The company provides cloud migration, Salesforce strategy, staff augmentation, and digital transformation services for enterprises looking to scale through trusted...

    Top Services:

    • IT Services
    • Cloud Consulting
    • CRM Consulting
    • DevOps Consulting
    • Managed Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • Innovative Web & Custom Soft Development Solutions

    DESIGN, DEVELOP, DEPLOY!!! The PRIME is a team of highly skilled and experienced professionals in the field of Web Development and Custom Software Development PRIME means - Punctuality, Quickness, Honesty and Professional work! WE HAVE GOT YOU COVERED!!!...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • Elite tech talent, ready to scale.

    IT staff augmentation services that help businesses quickly add vetted developers and technical experts to their teams. Hire flexible, time-zone-aligned talent without the delays of traditional hiring...

    Top Services:

    • Staff Augmentation
    • IT Services
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • A Managed Services Provides

    TECHBLEED is a Managed Service Provider that specializes in streamlining IT services for organizations in need of implementing information security protocols, remote monitoring, disaster recovery, and internal and external business communications...

    Top Services:

    • Managed Services
    • IT Services
    • Cybersecurity
    Location
    Glendale, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
  • AI that backs your people. Not replaces them.

    Silicon Prime AI is a Stanford-rooted enterprise AI lab building Agentic AI, Generative AI, and custom software since 2011. Our patent-pending Aegis AI methodology helps enterprises ship to production twice a week with zero critical defects proven at BJ's Restaurants across 200+ locations. We don't bolt AI...

    Top Services:

    • Software Development
    • IT Services
    • DevOps Consulting
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • 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
  • Driven Companies Towards Their Digital Transformation

    We are a company specialized in software development for mobile platforms, portals and electronic commerce since 1991...

    Top Services:

    • eCommerce Development
    • Web Development
    • WordPress Website Design
    • Software Development
    • Mobile App Development
    • Show more
    Location
    Concord, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $24/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
129,495+
2

Portfolio Review

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

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
18

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

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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.