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 ×
  • Think Partner, Not Agency

    Acquaint Softtech is an Official Laravel Partner with 15+ years of experience in software development. We specialize in Laravel solutions and excel in IT staff augmentation, remote development teams and outsourcing to deliver scalable, best results...

    Location
    Highland, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed
  • Fast & Easy Technical Launch for Your Startup

    We are a reliable team to develop your idea within the deadline and budget. We share your business value, that's why we are really keen on launching your Proof of Concept ASAP, so you get funded and come to us again for further development...

    Location
    Redwood City, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $25,000 - $50,000
  • AI-Powered. Impact-Driven. Human-Centered.

    Our motto is "Building Success Together®," which reflects our commitment to investing in our clients and partners to propel them towards achieving their business goals. As a result, Nisum has grown due to the trust we have built and the success we bring to our network. We thank our clients, partners, and...

    Location
    Brea, California
    Number of Employees
    1000 & Up
  • 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...

    Location
    Orange County, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
  • Trusted by Leading Brands

    We work with startups and enterprise clients to create amazing mobile apps that users love, across iPhone, iPad, Android and the Web...

    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    2 Projects Listed
  • 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...

    Location
    Orange County, California
    Number of Employees
    50 - 99
  • Global Cloud-Based Treasury Management Software Solutions

    San Diego-based Kyriba is a leader in global cloud-based treasury management software solutions. With proven technology services for cash management applications, Kyriba provides treasury management, cybersecurity, risk management, working capital, and other critical services...

    Location
    San Diego, California
    Number of Employees
    250 - 499
    Average Hourly Rate
    $682/hr
    Minimal Budget
    Under $1,000
  • 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...

    Location
    Orange County, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
  • 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...

    Location
    Carlsbad, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    Under $1,000
  • 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...

    Location
    Sacramento, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $145/hr
    Minimal Budget
    $25,000 - $50,000
  • Your Dedicated IT Products and Solutions Provider

    Headquartered in Sacramento, California, SunstoneIT is a Certified Small Business with a primary focus on providing IT products and solutions to the public sector, as well as private sector companies...

    Location
    Sacramento, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
  • Align your Business and IT, Faster.

    CIO Professional Services LLC comprises a team of seasoned executives with expertise in CIO, CTO, and CSO roles, complemented by consulting partners from the Big 4. Our focus extends beyond strategy development; we specialize in guiding the execution of initiatives to ensure the delivery of tangible results...

    Location
    Palo Alto, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $300/hr
    Minimal Budget
    $25,000 - $50,000
  • Your Technology Partner

    SISGAIN Technologies is a leading software development company specializing in Remote Patient Monitoring (RPM) software, healthcare app development, and restaurant POS systems. With a focus on cutting-edge technology, SISGAIN delivers tailored digital solutions that drive growth and enhance user engagement...

    Location
    Ontario, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • 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...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
  • 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...

    Location
    San Francisco, California
    Number of Employees
    1000 & Up
  • Bridging the Gap Between Business and Technology

    Rare Crew is a custom software development company with over a decade of experience. Rare Crew develops custom solutions for all kinds of business, from multinational organizations to start-ups looking to grow their business...

    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/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
  • 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
  • From Application Development to Large-Scale Database Migrations – We’re Mission Ready.

    Equipped with expert, full-stack, agile teams, we help agencies, corporations and start-ups innovate and scale. And we do it on your terms, be it on the front lines or as a behind-the-scenes partner...

    Location
    San Francisco, California
    Number of Employees
    Under 49
  • 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...

    Location
    San Jose, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • A Leading Technology Company

    We are an industry leading technology company in Orange County, CA specializing in managed IT services, cybersecurity & digital marketing for small and medium sized businesses. We ensure your systems are secure, running optimally and that you have help when needed...

    Location
    Orange County, California
    Number of Employees
    Under 49
    Minimal Budget
    Under $1,000
  • AI-Powered Community of Expert Dev Teams

    DevTeam.Space is an AI-powered community of expert dev teams. Our mission is to help more businesses build great online products...

    Location
    Sunnyvale, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Enabling Intelligent Enterprises

    Netwoven empowers Intelligent Enterprises by solving complex business challenges through the strategic use of Microsoft technologies. We help organizations modernize, optimize, and secure their digital workplace, business processes, and IT ecosystems...

    Location
    Pleasanton, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $130/hr
    Minimal Budget
    $1,000 - $10,000
  • 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
  • Building Intelligent Software Solutions

    Cygnis Media, a top-tier custom software development company and leading IT consulting service provider in the USA, is synonymous with excellence. They specialize in creating bespoke software solutions tailored to meet diverse business needs. With a keen eye for innovation and a customer-first approach...

    Location
    Pleasanton, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Award-Winning IT, Web & Software Services

    Jim founded Nerd Crossing with a simple mission in mind—to provide the world with a trustworthy, customer service-focused technology and web service provider. Nerd Crossing offers honest, high quality technology services to the San Francisco Bay Area and beyond...

    Location
    El Sobrante, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $165/hr
    Minimal Budget
    $1,000 - $10,000
  • Marketing. Advertising. Technology.

    Enspyre Digital is a marketing and advertising agency in Bakersfield, California specializing in growing businesses through lead generation and brand management...

    Location
    Bakersfield, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $1,000 - $10,000
  • 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
  • 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...

    Location
    Palo Alto, California
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
  • 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...

    Location
    Vacaville, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
  • 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...

    Location
    La Puente, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000

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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