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 Name Why Hire Them Client Rating Hourly Rate Top Client or Case Study Top Industries
Goji Labs Trusted by global brands for UX and digital products. 5.0 ⭐ $149 Redesigned Elf on the Shelf website for immersive experience. Nonprofit, Healthcare, Fintech
Closeloop Technologies Award-winning, innovative tech solutions for complex needs. 4.9 ⭐ $25 Resolved database outage for Brex in two hours. Fintech, Healthcare, eCommerce
Mercury Development Over 2,500 projects delivered for top global brands. 4.9 ⭐ $50 Developed 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 ⭐ $55 Developed 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 ⭐ $50 Award-winning LMS for K-12 education market. Education, Health Care, Logistics
SDLC Corp Full-cycle digital solutions for startups to enterprises. 4.9 ⭐ $50 IoT 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 ×
  • Lanex Corporation - Tailor-made solutions for your business needs

    Here at Lanex Corporation, we are a full-cycle software development service provider specializing in bespoke digital solutions for startups and companies globally. We build scalable and secure products designed to impact your brand and provide the best digital experience for your users...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $25,000 - $50,000
  • 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...

    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Build Better Software.

    Tech.us is an AI software solutions company that provides AI development, mobile applications, cloud consulting, and IT services. We focus on creating secure, scalable, and innovative technologies that support businesses in their digital journey...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
  • Top US-Based App Design & Development Firm

    We personally invest in the projects we work on by providing ongoing app maintenance, new feature design and development...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $50,000 & Up
  • Your Extended Engineering Team

    Argusoft is a trusted software solutions design consultancy that provides end-to-end, enterprise-class turnkey solutions. Our team of Argonauts are trained to think design at every step, architecting, designing, and coding with the business goals and objectives of our clients in mind...

    Location
    Newark, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
  • Lightning-Fast AI, Cloud & Cybersecurity Solutions

    Zazmic has been at the forefront of AI/ML and software development innovation for over a decade. Today, we continue to lead the charge as the Google Cloud Premier partner and a top provider of Gen AI, cybersecurity, and cloud services. Design, architecture, top-tier engineering we have it all...

    Location
    San Francisco, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • 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...

    Location
    Citrus Heights, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
  • Your Tech Growth Partner

    Esclatech is a leading software development and digital transformation company specializing in Mobile App Development, Web App Development, SaaS Solutions, and AI Automation Services...

    Location
    California City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Results Driven Strategies

    Facet Interactive is the go-to digital strategy agency. Our data-driven insight helps clients focus on higher-yield projects while we ensure strong returns through integrated marketing campaigns. We can step in as your product owner or CMO to provide direction when it comes to making informed product and...

    Location
    El Segundo, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $25,000 - $50,000
  • Make Technology Work

    Indium is an AI-driven digital engineering company that helps enterprises build, scale, and innovate with cutting-edge technology. We specialize in custom solutions, ensuring every engagement is tailored to business needs with a relentless customer-first approach...

    Location
    Cupertino, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $50/hr
  • Software Development Made Easier.

    Craft exceptional digital solutions with a team of design, development, and strategy specialists. Everything you need is in one place...

    Location
    Walnut Creek, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $50,000 & Up
  • 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...

    Location
    Newark, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Railsware - A software development agency

    We're a software development agency that builds products that scale. Our engineering-first culture and product-minded approach have powered success stories like Calendlythe scheduling platform that revolutionized meetings for millions...

    Location
    West Hollywood, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
  • We Build Next-Generation Applications for Small and Mid-Sized Companies.

    Sunvera Software builds innovative and intelligent chatbot solution, mobile, and web applications to help small and mid-sized companies improve operational efficiency and customer satisfaction while reducing company costs...

    Location
    Orange County, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
  • Digital Health Software Development Experts

    Alternova is a software company focused on the development of interactive digital health products and platforms. The company has a strong background in game engines and data analytics, bringing to the Digital Health industry products that are data driven, fun and easy to use...

    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Accelerance is Your Global Software Outsourcing Consultancy Partner.

    Accelerance is a highly regarded global authority on software outsourcing. We cater to technology leaders who require exceptional software development resources and expert consulting services. With over 20 years of experience, we have curated the world's largest network of certified software development and...

    Location
    Redwood City, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $50,000 & Up
  • Cloud Native Software Development

    ZYMR offers cutting-edge cloud-based services for Healthcare, HIPAA, Biotech, etc... We are a leading cloud technology services provider in Silicon Valley, USA. Get in touch for cloud-based solutions today...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Software Development and Cloud Technology Company

    We’re a solution-based technology company with a focus in cloud transformation, software development and big data analytics services based out of California. We combine the love for engineering and big data to scale projects and help businesses grow. Our passion for technology drives results-based solutions...

    Location
    Pleasanton, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
  • Trusted Software Engineering Solutions Provider based in Vietnam, With A Global Presence.

    As a trusted bespoke software development outsourcing company, we help business organizations tackle challenges of outdated software, inefficient processes, and poor digital presence...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
  • Senior Web, Mobile & AI Engineering

    Boutique studio of senior engineers building web, mobile, and AI products since 2015. We embed as a long-term extension of your team and ship code that lasts. 5.0 on Clutch, top 1% on Upwork...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
  • Reimagined With AI

    Net Solutions is a global digital product development and experience engineering company with over 26 years of expertise. We design, build, and modernize digital platforms using AI, agile engineering, and design thinking to help businesses accelerate digital growth...

    Location
    Los Angeles, California
    Number of Employees
    250 - 499
    Minimal Budget
    $25,000 - $50,000
  • We Create With Your Needs And Preferences In Mind.

    GoBro Web Services is a California-based web design and digital solutions agency that helps businesses strengthen their online presence through professional website design, web and app development, branding, SEO, digital marketing, and technical support services. The agency focuses on delivering modern...

    Location
    Lake Elsinore, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $12/hr
    Minimal Budget
    Under $1,000
  • 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...

    Location
    Covina, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • More Than Code We Build Trust Through Craft & Commitment

    Engineered with integrity. Backed by mentorship. Delivered with care. BTS transforms ideas into scalable, secure, and impactful digital products that deliver long-term value...

    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
  • Webllisto is a prominent IT Consulting and Engineering firm offering clients the finest Web and Software development services for their business. Our exceptional Web services are dedicated to Enterprises, ISVs, Startups, and digital agencies...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Security, Training, Compliance.

    Parachute Technology offers personalized managed IT services focused on understanding clients' unique business needs. Its philosophy emphasizes close relationships and transparent, reliable support for seamless integration into clients' operations. The company fosters transparency and flexibility. It offers...

    Location
    San Ramon, California
    Number of Employees
    100 - 249
  • Empowering Autonomic Cyber Defense

    Netenrich redefines security operations with its adaptive, AI-powered cybersecurity solutions. Its Resolution Intelligence Cloud platform delivers proactive threat management tailored to meet unique client needs and driven by big data. As a trusted Google partner, the agency brings agility and precision to...

    Location
    San Jose, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $1,000 - $10,000
  • Maximize Your Revenue

    A U.S.-based medical management partner that supports physicians by streamlining operations, reducing administrative burdens, and allowing providers to focus on delivering quality patient care...

    Location
    Anaheim, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
  • See Beyond, Rise Above.

    Persistent Systems, a renowned global leader in software product development and technology services. Delve into our innovative offerings to stay ahead in the ever-evolving landscape of technology...

    Location
    Santa Clara, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
  • Transform Your Business with Our End-to-End IT Solutions.

    Chipsy Information Technology Services Pvt Ltd. offers comprehensive IT solutions, including expert consulting, mobile app development (VitalBase is an ABDM-enabled hospital management information system), application development, school management systems, and DevOps services...

    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $12/hr
  • Empowering Businesses Through Innovative Software Development

    TechnoBrains Business Solutions is a global software development and AI solutions company founded in 2009, delivering custom web, mobile, AI, and enterprise software solutions for startups, SMEs, and established enterprises worldwide. Headquartered in Ahmedabad, India, with a presence in the United States...

    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Minimal Budget
    $10,000 - $25,000

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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