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

387 Companies - Rankings updated: August 20, 2026

Every agency featured on DesignRush is vetted for expertise and client satisfaction to support your decision-making. Some listings may be sponsored.

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  • Litslink

    Verified Verified by the DesignRush team for authenticity and credibility.
    We Are Solving the Most Difficult Technology Challenges of Digital Transformation for Companies.

    We Are Solving the Most Difficult Technology Challenges of Digital Transformation for Companies.

    Our fields of expertise: software development, mobile app development, web development, virtual reality development, app development, app modernization and optimization services, DevOps consulting services, software testing...

    Top Services:

    • Software Development
    • Mobile App Development
    • IoT
    • AI Development
    • VR/AR
    • Show more
    Location
    Palo Alto, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
    View Profile
    5.0 5.0 (14)

  • RipenApps Technologies

    Ripening Ideas Into Apps

    Ripening Ideas Into Apps

    RipenApps Technologies is the leading mobile app development company which is headquartered in USA and successfully running in other locating countries including India, UAE, Germany...

    Top Services:

    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Ontario, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    21 Projects Listed
    View Profile
    4.6 4.6 (193)

  • Faye

    We Eat Software

    We Eat Software

    Faye stands at the forefront as global Salesforce consulting firm + SugarCRM and marketing automation consultants, turning software into pure efficiency. Our certified team excels in integrating platforms like SugarCRM, Zendesk, and Salesforce, ensuring optimized tech stacks for businesses. Powered by an...

    Top Services:

    • Software Development
    • IT Services
    • CRM Consulting
    Location
    Calabasas, California
    Number of Employees
    100 - 249
    Portfolios Count
    5 Projects Listed
    View Profile
    4.6 4.6 (9)

  • Webllisto

    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...

    Top Services:

    • Software Development
    • VR/AR
    • AI Development
    • IoT
    • Mobile App Development
    • Show more
    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
    View Profile
    4.7 4.7 (61)

  • IBA Group

    Co-Creating a SMART Future

    Co-Creating a SMART Future

    Engineering customer-centric solutions through trusted relationships & technology that bridge the legacy of the past with the landscape of the future...

    Top Services:

    • Software Development
    • Mobile App Development
    • IoT
    • Software Testing
    • AI Development
    • Show more
    Location
    San Jose, California
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
    View Profile
    4.5 4.5 (2)

  • Surekha Technologies

    Caring for Client's Success

    Caring for Client's Success

    Surekha Technologies, is a leading Liferay, Odoo, offshore development consulting services provider company from Ahmedabad, India...

    Top Services:

    • Web Development
    • Web Design
    • eCommerce Development
    • Blockchain
    • UI/UX Design
    • Show more
    Location
    Laguna Beach, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Portfolios Count
    3 Projects Listed
    View Profile

  • 24Online

    Round The Clock IT Support

    Round The Clock IT Support

    24Online at +962 6 582 88 33. Information Technology Services and Tech Support for Companies in Amman, Jordan and the Middle East. 10+ years in biz...

    Top Services:

    • eCommerce Development
    • WordPress Website Design
    • Web Development
    • Cybersecurity
    • IT Services
    • Show more
    Location
    Alameda, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • CORE Group

    Secure Solutions, Elevated Success.

    Secure Solutions, Elevated Success.

    The CORE Group is your trusted ally, offering secure solutions and exceptional services to elevate your business. With rapid assistance, certified professionals and a commitment to core values, we empower businesses to thrive in a dynamic technological landscape...

    Top Services:

    • Cybersecurity
    • IT Services
    Location
    Long Beach, California
    Number of Employees
    Under 49
    View Profile
    4.5 4.5 (23)

  • Albiorix Technology Pvt. Ltd.

    Custom Software Development Company in Australia, USA and India

    Custom Software Development Company in Australia, USA and India

    Albiorix Technology is a leading custom software application development provider with years of experience. Get specialized software development services right away...

    Top Services:

    • Web Development
    • WordPress Website Design
    • Web Design
    • eCommerce Development
    • Software Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    9 Projects Listed
    View Profile
    4.9 4.9 (18)

  • Datalink Networks

    Your Trusted IT Managed Service Provider

    Your Trusted IT Managed Service Provider

    Datalink Networks is an IT managed services and solutions provider that serves clients of all industries and sizes nationwide. As a dedicated Microsoft Gold Partner, we also leverage our partnerships with IT technology vendors to provide our clients with the best solutions and support on the market...

    Top Services:

    • Managed Services
    • Cloud Consulting
    • Cybersecurity
    • IT Services
    • Show more
    Location
    Santa Clarita, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $78/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.9 4.9 (24)

  • Technicate Solutions

    High-Quality Development Team

    High-Quality Development Team

    Technicate studies concepts and develops the product from the ground up, from simple ideas to effective applications. We immediately transform into your dependable, quick, high-quality development team...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • IT Services
    • Show more
    Location
    Rancho Cordova, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.2 4.2 (5)

  • Seibert Consulting Group

    Engineer Your Companys Growth With the Right Partner

    Engineer Your Companys Growth With the Right Partner

    SCG Team serves as a NetSuite reseller and an Official NetSuite Solution Provider Partner, dedicated to maximizing clients' ROI and flexibility through their NetSuite implementation...

    Top Services:

    • IT Services
    • eCommerce Development
    Location
    Palm Springs, California
    Number of Employees
    Under 49
    Portfolios Count
    3 Projects Listed
    View Profile

  • EltexSoft

    Senior Web, Mobile & AI Engineering

    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...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • AI Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    5.0 5.0 (3)

  • Interknowlogy

    Empowering Broadcast and Enterprise Innovation with AI-Driven Solutions

    Empowering Broadcast and Enterprise Innovation with AI-Driven Solutions

    InterKnowlogy provides services such as software development, Creating outstanding experiences for clients around the globe. We help our clients manage, visualize and present data in a meaningful way. They integrate across all existing data sources to provide a single, unified solution. We create platforms...

    Top Services:

    • Software Development
    • AI Development
    • IT Services
    Location
    Carlsbad, California
    Number of Employees
    Under 49
    View Profile

  • K2 Partnering Solutions

    Best Consulting Solution For Your Business

    Best Consulting Solution For Your Business

    K2 Partnering Solutions is the global leader in technology staffing with unparalleled expertise, market knowledge and international presence in ERP (SAP, Oracle), Enterprise Cloud (Salesforce), Analytics/Big Data, Enterprise Mobility and Social/Digital technologies...

    Top Services:

    • IT Services
    • Web Design
    • Web Development
    • Digital Marketing
    • Mobile App Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    View Profile

  • Left Right Mind

    Digital Value Consulting, Strategy, and Execution.

    Digital Value Consulting, Strategy, and Execution.

    We craft intuitive, valuable & empowering digital solutions for your business. We are strategists, designers, technologists, marketers, and innovators but most importantly, we are guardians of the sensibility of your business and the sensitivity of your customers...

    Top Services:

    • Mobile App Development
    • Web Design
    • Software Development
    • IT Services
    • AI Development
    • Show more
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    10 Projects Listed
    View Profile
    3.0 3.0 (2)

  • SuiteCentric

    NetSuite ERP Sales, Support & Customizations

    NetSuite ERP Sales, Support & Customizations

    SuiteCentric is an Oracle NetSuite Solution Provider and member of NetSuite's Commerce Agency Program offering comprehensive business management solutions designed to help customers optimize efficiencies...

    Top Services:

    • Software Development
    • IT Services
    Location
    Santa Cruz, California
    Number of Employees
    Under 49
    View Profile

  • Zeta Sky

    Smarter IT. Stronger Business.

    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
    View Profile
    5.0 5.0 (23)

  • PADGETT

    Your Partner in Small Business Success Since 1966

    Your Partner in Small Business Success Since 1966

    PADGETT has been catering to the unique needs of small business owners across North America since 1966. With a comprehensive suite of services, including small business consulting advice, professional tax preparation, payroll solutions, bookkeeping, and more, we provide the support and expertise necessary for...

    Top Services:

    • HR Outsourcing
    • Accounting
    • Business Consulting
    • IT Services
    • Show more
    Location
    Orange County, California
    Number of Employees
    250 - 499
    View Profile
    5.0 5.0 (1)

  • Pegasus One

    A Trusted Software Development Company

    A Trusted Software Development Company

    Pegasus One are a trusted Software Development Company based in Southern California with clients all over North America. Since 2009 we’ve been a software innovation partner for SMBs and Fortune 500 companies...

    Top Services:

    • Software Development
    • IT Services
    • AI Development
    • Mobile App Development
    • Managed Services
    • Show more
    Location
    Orange County, California
    Number of Employees
    50 - 99
    View Profile

  • Clarika

    Agile Nearshore Software Development Services

    Agile Nearshore Software Development Services

    Our main focus is client satisfaction, so when we assign a software development team we make sure that they have the right follow-up and training needed to be successful...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Design
    • eCommerce Development
    • IT Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
    View Profile
    4.7 4.7 (37)

  • Visiata LLC

    Product Design & Development Agency For SaaS And Fintech

    Product Design & Development Agency For SaaS And Fintech

    Visiata is a design and development studio that helps businesses build intuitive digital products through integrated strategy, design, and engineering. The studio combines product strategy, UI/UX design, web and mobile development, and ongoing product support to create scalable, high-performance digital...

    Top Services:

    • Graphic Design
    • Web Design
    • Web Development
    • AI Development
    • Digital Services
    • Show more
    Location
    Brentwood, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    7 Projects Listed
    View Profile

  • NG Logic

    We drive businesses like yours into the future

    We drive businesses like yours into the future

    NG Logic is a San Mateo, California-based software development agency specializing in custom web and mobile applications, DevOps, quality assurance, platform modernization, and staff augmentation. With over 20 years of experience, NG Logic partners with clients to deliver scalable, cloud-centric solutions...

    Top Services:

    • Blockchain
    • Software Development
    • AI Development
    • Staff Augmentation
    • IT Services
    • Show more
    Location
    San Mateo, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • Techmedics

    People Connecting Technology

    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
    View Profile
    5.0 5.0 (20)

  • Third Rock Techno

    Empowering Businesses to Become AI Ready and Data Driven

    Empowering Businesses to Become AI Ready and Data Driven

    Third Rock Techkno is an AI-driven product engineering company specializing in AI-powered education platforms, generative AI solutions, and scalable digital products for startups and enterprises...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Web Design
    • ERP Consulting
    • Show more
    Location
    San Jose, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
    View Profile

  • Sudolabs

    Building digital products for next generation companies

    Building digital products for next generation companies

    We are a long-term partner for all startups and established companies that are looking for a dedicated & ready-to-go team of product, design, and engineering experts. We are set for high performance from day one. Are you?...

    Top Services:

    • Web Development
    • Mobile App Development
    • UI/UX Design
    • Software Development
    • Digital Services
    • Show more
    Location
    West Hollywood, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $59/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
    View Profile

  • TechMatter

    Health Tech and Managed IT Services Company

    Health Tech and Managed IT Services Company

    TechMatter is a leading global provider of technology and healthcare solutions headquartered in Glendale, California. The company specializes in enterprise software development, automation, and revenue cycle management, empowering organizations to streamline operations and achieve sustainable growth. With a...

    Top Services:

    • Digital Services
    • Design Services
    • UI/UX Design
    • Web Development
    • Affiliate Marketing
    • Show more
    Location
    Glendale, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $100/hr
    View Profile
    4.5 4.5 (40)

  • Smart ERP Solutions

    Guaranteeing outstanding performance for your business

    Guaranteeing outstanding performance for your business

    At Smart ERP Solutions®, our mission transcends ordinary objectives. We are driven to introduce innovative, highly configurable, and remarkably flexible ERP consulting solutions that address prevalent business challenges...

    Top Services:

    • Cloud Consulting
    • IT Services
    • ERP Consulting
    • Managed Services
    • Show more
    Location
    Pleasanton, California
    Number of Employees
    250 - 499
    View Profile
    4.0 4.0 (4)

  • Seidor

    A Multinational IT Services Firm

    A Multinational IT Services Firm

    Seidor is a multinational IT services firm and SAP software partner with offices in TX, FL, MI, NJ and CA. We offer a wide portfolio of products and services covering enterprise software, consulting, infrastructure, implementation, development, and support...

    Top Services:

    • IT Services
    Location
    Sunnyvale, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $150/hr
    View Profile

  • NEXTWERK

    Software Solutions Simplified

    Software Solutions Simplified

    As a software services firm, delivering excellence is our mission. We offer development services through specialized teams segmented through our various brands. ​Whether that is app or website development, WordPress, Open Source, Billing, or E-commerce; we​ deliver what we promise. We have simplified the...

    Top Services:

    • Software Development
    • Mobile App Development
    • IT Services
    • eCommerce Development
    • Show more
    Location
    Carlsbad, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
    View Profile

  • MindTrust

    We are Smarter Teams

    We are Smarter Teams

    We built the worlds first Teams as a Service (TaaS) platform to give you on-demand access to the top software developers, designers, marketers, technologists, and business strategists...

    Top Services:

    • IT Services
    • Software Development
    • AI Development
    • Blockchain
    • Digital Marketing
    • Show more
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    View Profile

  • TerraSage Technology Partners

    Technology Advice That's Down to Earth

    Technology Advice That's Down to Earth

    TerraSage Technology Partners, LLC is a Managed Services Provider (MSP) that helps small and medium-size businesses with information technology solutions...

    Top Services:

    • IT Services
    • Cybersecurity
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    View Profile

  • Elite

    Ethics, professionalism, accessibility!

    Ethics, professionalism, accessibility!

    Welcome to Elite! Need talented candidates for your organization, and don't have the time or resources to find, recruit, and screen them in-house? Partner with Elite!...

    Top Services:

    • IT Services
    • Staff Augmentation
    • HR Outsourcing
    Location
    Costa Mesa, California
    Number of Employees
    100 - 249
    View Profile
    4.0 4.0 (4)

  • AllCode

    Your Team for Everything in the Cloud

    Your Team for Everything in the Cloud

    AllCode offers a complete range of cloud and mobile application services. Our team of experienced engineers, architects, and developers will help you deliver with confidence...

    Top Services:

    • Mobile App Development
    • Software Development
    • AI Development
    • Blockchain
    • IT Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile
    5.0 5.0 (4)

  • EPhost

    Web Design & Hosting Company

    Web Design & Hosting Company

    EPhost, Inc. is a San Diego website design and hosting company. We have been providing web hosting, web design and dedicated server hosting to businesses nationwide for over 22 years...

    Top Services:

    • IT Services
    • Web Design
    • Web Development
    Location
    Carlsbad, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    View Profile
    5.0 5.0 (28)

  • SOAProjects

    Building a Bridge of Trust and Confidence

    Building a Bridge of Trust and Confidence

    SOAProjects, Inc. is a leading professional advisory firm, providing a complete range of services throughout a companys lifecycle...

    Top Services:

    • Cloud Consulting
    • IT Services
    • IT Compliance Solution
    • ERP Consulting
    • Show more
    Location
    Mountain View, California
    Number of Employees
    250 - 499
    View Profile
    3.5 3.5 (2)

  • Savvycom

    Your AI-Driven Software Development Partner

    Your AI-Driven Software Development Partner

    Savvycom is an AI-driven software development and IT consulting company founded in 2009, helping enterprises design, build, and modernize digital systems that deliver measurable business outcomes. Recognized as one of Vietnams Top 10 Digital Technology Companies, Savvycom partners with organizations...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • IT Services
    • AI Development
    • Show more
    Location
    Laguna Beach, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
    View Profile
    4.7 4.7 (29)

  • 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)

  • TopDevz

    Innovative Software Development

    Innovative Software Development

    TopDevz is an innovative software development and technology delivery partner that brings your ideas and visions to life quickly and cost-effectively by giving you direct access to elite software development experts located throughout the United States and Canada who are rated at the top 1% of their skill...

    Top Services:

    • Software Development
    • Mobile App Development
    • IT Services
    • Product Design
    • Show more
    Location
    Sacramento, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $145/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    4.7 4.7 (35)

  • Custom Software Solutions

    Reliable Software Experts

    Reliable Software Experts

    Custom Software Development, Website Design and Digital Marketing firm specializing in providing ETL, Business Process Automation, eCommerce, CMS, LMS Website Design & Development, and Custom Software Application Development...

    Top Services:

    • Web Design
    • IT Services
    • Software Development
    Location
    Orange County, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (3)

  • Promenade Software

    Medical Device Software Development Services

    Medical Device Software Development Services

    Promenade Software provides services and solutions for the rapid development of medical devices and other connected embedded systems...

    Top Services:

    • IT Services
    • Cybersecurity
    • Software Development
    Location
    Orange County, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    View Profile
    5.0 5.0 (1)

  • Mobile Computer Repair Service

    Specialized Computer Repair Services at Your Fingertips

    Specialized Computer Repair Services at Your Fingertips

    Emerging in the field of information technology, Mobile Computer Repair Services is an IT solutions provider that focuses on providing customers with assistance in the areas of servers, cloud computing, web development, search engine optimization, social media optimization, web design, and other sorts of...

    Top Services:

    • IT Services
    • Web Design
    • Web Development
    • SEO
    • Show more
    Location
    Westlake Village, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $118/hr
    Minimal Budget
    Under $1,000
    View Profile

  • Trantor

    IT Consulting Services & Enterprise Technology Solutions Partner

    IT Consulting Services & Enterprise Technology Solutions Partner

    Trantor is a pioneer in creating enterprise technology solutions and state-of-the-art Captive Centers of Excellence (CoE) assisting enterprises across the globe with their digital transformations and business needs. Our commitment to excellence and authenticity has led to long-term working relationships with...

    Top Services:

    • IT Services
    • AI Development
    Location
    Menlo Park, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (1)

  • WeblineGlobal

    Award Winning Software Development Company From Irvine, California

    Award Winning Software Development Company From Irvine, California

    WeblineGlobal is an award-winning Software Development Company from Irvine, California, USA; active since 1999. We are considered as one of the leading software development organizations in the Market, started providing enterprise services and solutions, well before our counterparts...

    Top Services:

    • Software Development
    • AI Development
    • IT Services
    Location
    Orange County, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    3.7 3.7 (3)

  • 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)

  • Metal Toad

    AWS Managed Services Provider

    AWS Managed Services Provider

    o support data-driven decision making, we develop systems that capture data, transform it into actionable business insights, and perform predictive analytics...

    Top Services:

    • IT Services
    • UI/UX Design
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • USWired

    We Do IT Right The First Time

    We Do IT Right The First Time

    USWired provides Managed IT Services, including IT Support, Cloud Services and Cybersecurity Solutions...

    Top Services:

    • Managed Services
    • Cybersecurity
    • IT Services
    • Cloud Consulting
    • Show more
    Location
    Campbell, California
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (2)

  • Withum

    Business & Technology Solutions

    Business & Technology Solutions

    Withum can be the new business advisor relationship you need to inspire innovation for your growth and success. Experience a fresh perspective on embracing what you’ve learned and refocusing your business strategy to thrive in an evolving, complex business environment. Whether you’re looking to strengthen...

    Top Services:

    • Accounting
    • HR Outsourcing
    • Cybersecurity
    • IT Services
    • Show more
    Location
    San Francisco, California
    Number of Employees
    1000 & Up
    View Profile
    5.0 5.0 (8)

  • Vertical Computers

    Managed IT for Aspiring Businesses

    Managed IT for Aspiring Businesses

    Vertical Computers provides all aspects of IT services. From hosting to “help-desking”, we make IT simple, giving you peace of mind...

    Top Services:

    • IT Services
    • Managed Services
    Location
    Chino, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
    View Profile

  • Railsware

    Railsware - A software development agency

    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...

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • IT Services
    • DevOps Consulting
    • Show more
    Location
    West Hollywood, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $149/hr
    Minimal Budget
    $50,000 & Up
    View Profile
    4.6 4.6 (20)

IT Services Companies in California by City

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Why Companies Trust DesignRush

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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Learn more about DesignRush Agency Ranking Methodology.

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DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

  • Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
  • The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

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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