Best California IT Outsourcing Companies

141 Companies - Rankings updated: May 18, 2026

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

United States × California ×

  • Alternova

    Digital Health Software Development Experts

    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.  [... view Alternova profile ]
    Location
    San Francisco, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    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.  [... view Techmedics profile ]
    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)

  • IT Accuracy

    IT Support, Cybersecurity, and Cloud Services

    IT Support, Cybersecurity, and Cloud Services

    IT Accuracy is an IT Support and Managed Service Provider based in Los Angeles. We take the time to understand your business and provide you with the best IT solutions that are specific to your needs. We are proud to have established a reputation for providing unparalleled service. Our team stays on the  [... view IT Accuracy profile ]
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.9 4.9 (56)

  • Trust Haven Solution

    Simplify It Process

    Simplify It Process

    Trust Haven Solution is a U.S.-based digital services firm founded in 2020, with a team of 50249 professionals. Specializing in web design, PPC, SEO, social media, content writing, cybersecurity, IT strategy consulting, and full-stack web and app development, the agency supports small to midsized businesses  [... view Trust Haven Solution profile ]
    Location
    Bakersfield, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    Under $1,000
    View Profile
    5.0 5.0 (216)

  • Praesto Pro

    Business IT Made Simple

    Business IT Made Simple

    Keep Your Business Moving with Smart IT  [... view Praesto Pro profile ]
    Location
    San Jose, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • Infracore

    Providing best-in-class IT services

    Providing best-in-class IT services

    Infracore is a best-in-class Cybersecurity and IT Support Services firm. Founded in 2003, Infracore takes a white-glove approach to providing end-to-end IT infrastructure support, cybersecurity, systems management, network design, compliance, desktop support, and strategic decision guidance.  [... see all Infracore reviews ]
    Location
    San Diego, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $140/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile
    4.3 4.3 (1)
    5.0 5.0 (15)

  • HyScaler

    Navigating the IT Future With Clarity of Thought

    Navigating the IT Future With Clarity of Thought

    At HyScaler, we're driven by a mission to be your trusted partner in achieving transformative business objectives. Our global vision focuses on harnessing cutting-edge technologies to craft sustainable, intelligent, and secure solutions.  [... view HyScaler profile ]
    Location
    Santa Clara, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile
    4.7 4.7 (12)

  • Tplex

    Your Trusted Partner for Outsourcing IT Projects

    Your Trusted Partner for Outsourcing IT Projects

    TPLEX is a software outsourcing company. We provide companies with top tech talent and product development expertise.  [... view Tplex profile ]
    Location
    Los Angeles, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
    View Profile

  • Argusoft

    Your Extended Engineering Team

    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.  [... view Argusoft profile ]
    Location
    Newark, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
    View Profile

  • PRIME IT

    Innovative Web & Custom Soft Development Solutions

    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!!!  [... view PRIME IT profile ]
    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
    View Profile

  • Protiviti

    Global Business Consulting Excellence

    Global Business Consulting Excellence

    Protiviti is a global consulting firm that offers deep expertise, objective insights, and tailored solutions to empower leaders in tackling future challenges. With a comprehensive range of services spanning finance, technology, operations, data, analytics, governance, risk, and internal audit, we serve  [... view Protiviti profile ]
    Location
    Los Angeles, California
    Number of Employees
    1000 & Up
    Portfolios Count
    5 Projects Listed
    View Profile
    5.0 5.0 (1)

  • ALFATEK

    High-Level Technology for Small and Large Business.

    High-Level Technology for Small and Large Business.

    ALFTEK offers full-service network infrastructure, system administration, network security, software development and other managed IT services. What's more, the company also integrates robust software solutions with cloud-based SaaS, PaaS and IaaS platforms for website and social & blog design.  [... view ALFATEK profile ]
    Location
    Concord, California
    Number of Employees
    Under 49
    Portfolios Count
    4 Projects Listed
    View Profile

  • Final Key Consulting

    Unlock The Possibilities.

    Unlock The Possibilities.

    At Final Key Consulting, we offer a range of services tailored to assist you in starting, enhancing, and growing your business. With competitive pricing, we ensure value-driven solutions that meet your needs without compromising quality.  [... view Final Key Consulting profile ]
    Location
    Pacifica, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Portfolios Count
    1 Project Listed
    View Profile

  • Kritikal Solution

    Translating Ideas & Research to Market

    Translating Ideas & Research to Market

    KritiKal Solutions is a technology design house and holds 22+ years of experience in AI, Computer Vision, Software Applications, Cloud and Mobile-based Solutions, Embedded Systems, Generative AI and Large Language Models. We specialize in R&D, product engineering, and innovation services.  [... view Kritikal Solution profile ]
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed
    View Profile
    5.0 5.0 (2)

  • 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  [... view Trantor profile ]
    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)

  • IDOTECH

    Trusted Managed IT Services Provider

    Trusted Managed IT Services Provider

    IDOTECH provides a comprehensive suite of professional services in the realm of Information Technology, encompassing Business IT Services, Managed IT Services, Desktop Support, Network Infrastructure, Project Management, and Software Solutions. Our commitment to excellence is reflected in the breadth and  [... view IDOTECH profile ]
    Location
    El Monte, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    Under $1,000
    View Profile
    4.6 4.6 (178)

  • Tech.us, Inc

    Build Better Software.

    Build Better Software.

    Tech.us is a leading provider of specialized technology services, including custom software development, artificial intelligence and machine learning solutions, mobile app development, web and cloud application development, and cybersecurity.  [... view Tech.us, Inc profile ]
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • Sketch Development Services

    Better Teams // Better Software

    Better Teams // Better Software

    Sketch provides software development services for Fortune 500 clients and startups alike. We specialize in product delivery consulting, software development services, and cloud consulting services.  [... view Sketch Development Services profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Minimal Budget
    $50,000 & Up
    View Profile
    4.8 4.8 (8)

  • WAMS Inc

    IT Consulting Transformed

    IT Consulting Transformed

    WAMS, Inc. is the premier provider of IT support and cybersecurity services to law firms in California and beyond since 1974.  [... view WAMS Inc profile ]
    Location
    Brea, California
    Number of Employees
    Under 49
    View Profile

  • Empowered IT Solutions

    Empowering IT Solutions for Smarter Business

    Empowering IT Solutions for Smarter Business

    Empowered IT Solutions stands out as a Technology Success Provider, offering innovative IT solutions and cutting-edge cybersecurity services. With our expertise, we empower businesses to navigate the digital landscape securely and efficiently.  [... view Empowered IT Solutions profile ]
    Location
    San Diego, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
    View Profile
    5.0 5.0 (13)

  • MEV

    Software Development Made Easier.

    Software Development Made Easier.

    Craft exceptional digital solutions with a team of design, development, and strategy specialists. Everything you need is in one place.  [... view MEV profile ]
    Location
    Walnut Creek, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $50,000 & Up
    View Profile

  • Trustify Technology

    Trusted Software Engineering Solutions Provider based in Vietnam, With A Global Presence.

    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.  [... view Trustify Technology profile ]
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (14)

  • 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.  [... view KriyaTec IT Systems profile ]
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    View Profile
    5.0 5.0 (3)

  • 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  [... view CONTUS Tech profile ]
    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)

  • FUSE3

    We Exist To Help You Get It Right. The First Time.

    We Exist To Help You Get It Right. The First Time.

    FUSE3 delivers comprehensive IT services with a focus on proactive solutions and personalized attention. The agency excels in IT support, consulting, outsourcing, and infrastructure design, ensuring scalable and enterprise-quality results. FUSE3's state-of-the-art network operations center enables reliable  [... view FUSE3 profile ]
    Location
    Fair Oaks, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (338)

  • L3 Networks Inc.

    Trust Your It. Empower Your Business.

    Trust Your It. Empower Your Business.

    L3 Networks provides Managed IT Services & Support. From Cyber Security to Cloud Services, L3 Networks keeps your business secure, reliable, and future-proof since 2000.  [... view L3 Networks Inc. profile ]
    Location
    Cypress, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
    View Profile
    5.0 5.0 (1)

  • MSDN Solutions, INC.

    Take the World at new Level

    Take the World at new Level

    Masters Development Network and Solutions (MSDN Solutions) is a Web Development and Marketing company providing Web and Software Services, Graphic Design and Printing Solutions, and all Marketing needs to enterprises and more specifically to startup companies across the world.  [... view MSDN Solutions, INC. profile ]
    Location
    Thousand Oaks, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (7)

  • KingsGuard

    Unyielding Protection, Trusted Excellence

    Unyielding Protection, Trusted Excellence

    Pioneering the field of digital security, we provide state-of-the-art solutions tailored to fortify your data and infrastructure. Our team of seasoned professionals is wholly committed to furnishing resilient, personalized safeguards against ever-adapting cyber threats, affording you peace of mind in an  [... view KingsGuard profile ]
    Location
    San Diego, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
    View Profile

  • Solution Mentors

    One Stop Shop for All Your Technology Needs

    One Stop Shop for All Your Technology Needs

    Welcome to Solution Mentors - Your Trusted Software Partner and a One-stop Shop for All Your Technology Needs! We have over 20 years of Expertise in business process automation, document management solutions development, software modernization, cloud migration, and technical support.  [... view Solution Mentors profile ]
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    View Profile

  • Zazmic

    Lightning-Fast AI, Cloud & Cybersecurity Solutions

    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.  [... view Zazmic profile ]
    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
    View Profile
    3.7 3.7 (6)

  • Intelecis

    Highly Rated Cyber Security & IT Company

    Highly Rated Cyber Security & IT Company

    Intelecis is a renowned Managed Security Service Provider (MSSP) in the United States and the United Kingdom. We are dedicated to providing organizations with the most dependable, secure, and competent IT Security and Support service possible. When you deal with the most highly rated Cyber Security Company as  [... view Intelecis profile ]
    Location
    Fullerton, California
    Number of Employees
    50 - 99
    Minimal Budget
    $1,000 - $10,000
    View Profile
    5.0 5.0 (38)

  • Heroic Technologies

    Secure Your Business. Transform Your Operations. Empower Your People.

    Secure Your Business. Transform Your Operations. Empower Your People.

    Heroic Technologies delivers trusted IT and cybersecurity solutions with an average response time of under 10 minutes and a 98%+ client satisfaction rating. As cyber threats continue to rise, with ransomware impacting two-thirds of businesses and cybercrime costs nearing $10 trillion, we empower organizations  [... view Heroic Technologies profile ]
    Location
    Campbell, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
    View Profile
    4.6 4.6 (10)

  • Acorn IT Services

    IT Simplified So You Can Flourish

    IT Simplified So You Can Flourish

    For over 25 years, Acorn IT Services has helped businesses eliminate IT instability, reduce cybersecurity exposure, and scale with confidence through fully managed IT, cloud, and security solutions, serving mid-sized organizations that cannot afford downtime, compliance gaps, or reactive IT.  [... view Acorn IT Services profile ]
    Location
    Riverside, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile

  • inSync Computer Solutions

    TopTier IT, Trusted For Decades

    TopTier IT, Trusted For Decades

    InSync Computer Solutions has been managing, maintaining, protecting & securing clients IT environments for 31 years. Our superior and effective managed IT services are the reason our client retention rates are so high. The inSync model includes onsite IT support with a dedicated senior engineer and is  [... view InSync Computer Solutions profile ]
    Location
    Laguna Hills, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $175/hr
    View Profile
    5.0 5.0 (12)

  • RedBlink

    Generative AI Development Company

    Generative AI Development Company

    Generative AI Development Company: AI Solutions for Startups and Enterprises. In the fast-paced world of 2024, RedBlink stands at the forefront of the AI revolution, transforming ideas into reality with cutting-edge AI-driven development.  [... view RedBlink profile ]
    Location
    Danville, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    View Profile
    1.0 1.0 (1)

  • ABSO Technologies, Inc.

    When IT ABSOlutely has to work!!

    When IT ABSOlutely has to work!!

    ABSO Technologies delivers reliable, enterprise-grade Managed IT Services to businesses, municipalities, and nonprofits. Our fully in-house team provides proactive support, cybersecurity, and strategic IT solutions to keep your organization secure, efficient, and focused on growth.  [... view ABSO Technologies, Inc. profile ]
    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $90/hr
    Minimal Budget
    Under $1,000
    View Profile
    5.0 5.0 (5)

  • Orion eSolutions

    Holistic & Innovative Solutions For Your Business Needs.

    Holistic & Innovative Solutions For Your Business Needs.

    Orion eSolutions is not only a one stop shop for technology but also a software boutique specialised in development of web applications, mobile apps, desktop application or customisation of already built technology upto the par of best practice in the market.  [... view Orion ESolutions profile ]
    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile

  • 3DEX

    Solutions for Technology and Marketing.

    Solutions for Technology and Marketing.

    3DEX Inc., a California-based software provider, delivers innovative solutions globally, serving industries such as healthcare, e-commerce, logistics, and finance. With expertise in AI, quantum computing, and advanced software development, we help businesses transform through cutting-edge technology  [... view 3DEX profile ]
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $149/hr
    Minimal Budget
    Under $1,000
    View Profile

  • 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.  [... view Source Code Lab profile ]
    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.  [... view Persistent profile ]
    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)

  • 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.  [... view TST Technology profile ]
    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)

  • 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.  [... view Appther profile ]
    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)

Related Services in California

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About The Author and Expert Reviewer

Content Specialist

selina@designrush.com

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Former Development Director

spotlight@designrush.com

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.

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