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

We Have Researched the Best California IT Support Companies For You

477 Companies - Rankings updated: August 20, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

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United States × California ×

  • Delta Infotek

    Revolutionize Your Business with IT Expertise.

    Revolutionize Your Business with IT Expertise.

    Delta Infotek specializes in low-code technology and tailored IT solutions, empowering businesses to streamline operations, secure digital assets, and thrive in the digital age...

    Top Services:

    • IT Services
    • Cloud Consulting
    Location
    San Diego, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • 3Alica

    Empowering Businesses with Intelligent Data Solutions.

    Empowering Businesses with Intelligent Data Solutions.

    ZALICA is a premier IT consulting company specializing in big data and business intelligence solutions, combining advanced AI and ML technologies to empower businesses globally...

    Top Services:

    • IT Services
    • Business Consulting
    • Software Development
    • eCommerce Development
    • Show more
    Location
    Glendora, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Salesautomators

    Automate Sales. Scale Growth.

    Automate Sales. Scale Growth.

    SalesAutomators simplifies CRM implementation with tailored strategies that help businesses scale efficiently using cutting-edge sales tools...

    Top Services:

    • CRM Consulting
    • Business Consulting
    • IT Services
    • Mobile App Development
    • Show more
    Location
    Laguna Beach, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Methodia

    Powering Growth in Energy & Utilities.

    Powering Growth in Energy & Utilities.

    Methodia provides specialized technology and outsourcing solutions for the utility and energy retail sector. By combining industry expertise with tailored digital services, the firm helps businesses optimize operations, reduce costs, and accelerate growth...

    Top Services:

    • Software Development
    • IT Services
    • Managed Services
    Location
    Palo Alto, California
    Number of Employees
    100 - 249
    View Profile

  • Doctor Management Services

    Maximize Your Revenue

    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...

    Top Services:

    • Customer Support
    • Business Consulting
    Location
    Anaheim, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
    View Profile
    5.0 5.0 (10)

  • Zobi Web Solutions

    Zeal of Being Innovative

    Zeal of Being Innovative

    Zobi Web Solutions, is a company which has been termed as, one of the most promising start up by industry experts and is a leading IT solutions provider and ITES Company in Ahmedabad. We are respected and trusted to produce and provide only the best quality of projects & services. Customer needs, defines...

    Top Services:

    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • IT Services
    • Show more
    Location
    Palo Alto, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.9 4.9 (34)

  • TST Technology

    Your Trusted IT Consulting Company for Business Success.

    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:

    • IT Services
    • UI/UX Design
    • Mobile App Development
    • Software Development
    • Web Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (22)

  • Vipra Business Consulting Services Pvt. Ltd.

    Your partner from creation to promotion.

    Your partner from creation to promotion.

    Vipra is a technology consultation service provider with 100+ experienced developers and designers on board, we have assisted startups to enterprises in achieving digital success all across the Globe, we are very strong with quality and timely delivery...

    Top Services:

    • Mobile App Development
    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • Show more
    Location
    Walnut, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    4.3 4.3 (1)

  • Source Code Lab

    Best Game Development Company in USA.

    Best Game Development Company in USA.

    Source Code Lab is the Best Custom Game Development Company in Usa/India.Our game developers build remarkable games compatible with the most popular platforms to attract the attention of a wider audience...

    Top Services:

    • Graphic Design
    • IT Services
    • VR/AR
    • Mobile App Development
    • Wearables
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
    View Profile
    5.0 5.0 (8)

  • Persistent

    See Beyond, Rise Above.

    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...

    Top Services:

    • AI Development
    • Software Development
    • Web Development
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Santa Clara, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    View Profile
    4.6 4.6 (730)

  • CONTUS Tech

    Your Digital Growth Success Partner.

    Your Digital Growth Success Partner.

    CONTUS Tech stands as a prominent global authority in digital engineering services, heralded for its transformative impact on businesses worldwide. Our forte lies in crafting cutting-edge digital products, pioneering connected vehicle experiences, and spearheading next-generation streaming services that...

    Top Services:

    • DevOps Consulting
    • IT Services
    • Mobile App Development
    • IoT
    • Digital Services
    • Show more
    Location
    Santa Clara, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    4.0 4.0 (314)

  • Chipsy IT Services Pvt. Ltd.

    Transform Your Business with Our End-to-End IT Solutions.

    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...

    Top Services:

    • Mobile App Development
    • IT Services
    • Cloud Consulting
    • DevOps Consulting
    • Software Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $12/hr
    View Profile

  • Coreview

    Enterprise Product Development- DELIVERING INNOVATION

    Enterprise Product Development- DELIVERING INNOVATION

    CoreView Helps Enterprise Business to develop the product from start to finish...

    Top Services:

    • Web Development
    • AI Development
    • Software Development
    • IT Services
    • Show more
    Location
    Fremont, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    1 Project Listed
    View Profile
    4.2 4.2 (64)

  • Appther

    Transforms Digital Idea Into Reality

    Transforms Digital Idea Into Reality

    Appther is a software and mobile app development company creating intelligent, scalable, and user-friendly digital solutions powered by innovation and AI...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Design Services
    • Product Design
    • Show more
    Location
    Signal Hill, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $22/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.7 4.7 (23)

  • TenUp Software Services

    Your Partner for Digital Excellence

    Your Partner for Digital Excellence

    TenUp Software Services is an ISO 27001-certified, AWS-partnered software firm serving clients across 7+ countries. With 70+ experts and 20+ years of leadership experience, we deliver tailored solutions in ALM, Digital Transformation, Product & Cloud Engineering, DevOps, AI, and Data Services. Recognized by...

    Top Services:

    • Cloud Consulting
    • DevOps Consulting
    • IT Services
    • Software Development
    • Show more
    Location
    Palo Alto, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    View Profile
    4.9 4.9 (21)

  • DS Technologies (Pvt.) Limited

    Global Web Development & Digital Marketing Experts

    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
    View Profile
    4.7 4.7 (27)

  • KriyaTec IT Systems

    Change Before You Have To

    Change Before You Have To

    KriyaTec is a software development and services company. We leverage Blockchain, IoT, RPA, AI,Ml to paradigm shift your enterprises or startups from what you are to what you want to be...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • IT Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    View Profile
    5.0 5.0 (3)

  • Pace Wisdom Solutions

    Propelling Businesses using Technology

    Propelling Businesses using Technology

    Pace Wisdom Solutions is a deep-tech Product engineering and consulting firm. We have our offices in San Francisco, USA & Bangalore, India. We specialize in designing and developing bespoke software solutions that cater to solving niche business problems...

    Top Services:

    • Mobile App Development
    • Software Development
    • eCommerce Development
    • IT Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    View Profile
    4.3 4.3 (121)

  • Ojas Innovative Technologies

    IT Services For Your Company

    IT Services For Your Company

    We can provide cost-effective solutions and increase customer margins because of our aggressive rate card and reusable assets...

    Top Services:

    • Web Development
    • UI/UX Design
    • Mobile App Development
    • IT Services
    • Show more
    Location
    Santa Clarita, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.1 4.1 (823)

  • Nextwebi It Solutions Pvt Ltd

    AI Enabled Digital Transformation

    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
    View Profile

  • Cybrain Software Solutions

    Full-service IT solutions company

    Full-service IT solutions company

    A full-service IT company with ISO 9001:2015 certification, Cybrain Software Solutions provides top-notch software solutions to brands all over the world...

    Top Services:

    • Software Development
    • Software Testing
    • Mobile App Development
    • IT Services
    • ERP Consulting
    • Show more
    Location
    Ventura, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.8 4.8 (125)

  • 360 Degree Cloud Technologies

    Consulting From Every Angle

    Consulting From Every Angle

    360 Degree Cloud is a trusted Salesforce Certified Silver Consulting Partner...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • IT Services
    • Show more
    Location
    Laguna Beach, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    View Profile
    3.5 3.5 (104)

  • ByteBotix InfoTech LLP

    Your Business Cataylst

    Your Business Cataylst

    ByteBotix InfoTech LLP is the top service provider, We focus on Industrial and web intelligence, Web and Mobile Applications and IOT based products. Whether you are a small , medium or largescale company we have got covered you all. What makes us stand out is that we deliver secured, standard and cost...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • Managed Services
    • UI/UX Design
    • Show more
    Location
    Vacaville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    View Profile

  • Cymetrix

    “Simplifying doing business with innovative IT solutions”

    “Simplifying doing business with innovative IT solutions”

    A Trusted Global Partner for Transforming Businesses with AI, Salesforce & Analytics...

    Top Services:

    • Software Development
    • Social Media Marketing
    • Email Marketing
    • Web Development
    • Public Relations
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    View Profile
    4.5 4.5 (45)

  • Invoxico Technologies

    Crafting Websites, Creating Success!

    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
    View Profile
    5.0 5.0 (10)

  • TechnoBrains Business Solutions

    Empowering Businesses Through Innovative Software Development

    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...

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Web Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Minimal Budget
    $10,000 - $25,000
    View Profile
    4.8 4.8 (26)

  • Accely

    SAP Consulting for Business Growth

    SAP Consulting for Business Growth

    Accely is a premier SAP consulting agency renowned for its refined methodologies, innovation, and vast expertise. With a focus on delivering robust, scalable, and quality solutions, Accely offers tailored SAP consulting services that ensure a higher return on investment (ROI). Whether clients are small...

    Top Services:

    • Business Consulting
    • IT Services
    Location
    Newport Beach, California
    Number of Employees
    500 - 999
    Minimal Budget
    $25,000 - $50,000
    View Profile
    4.3 4.3 (27)

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Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding IT services companies in California. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

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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. 

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