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 |
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
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...
Top Services:
- Software Development
- IT Services
- Blockchain
- Location
- Redwood City, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
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...
Top Services:
- Managed Services
- IT Services
- Blockchain
- Location
- Brea, California
- Number of Employees
- 1000 & Up
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
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...
Top Services:
- Staff Augmentation
- IT Services
- Web Development
- eCommerce Development
- Mobile App Development
- Show more
- Location
- Highland, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
We work with startups and enterprise clients to create amazing mobile apps that users love, across iPhone, iPad, Android and the Web...
Top Services:
- Mobile App Development
- Web Design
- Web Development
- UI/UX Design
- IoT
- Show more
- 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
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
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...
Top Services:
- Software Development
- Cybersecurity
- IT Services
- Location
- San Diego, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $682/hr
- Minimal Budget
- Under $1,000
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
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
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...
Top Services:
- Mobile App Development
- Managed Services
- IT Services
- Software Development
- Show more
- Location
- Sacramento, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
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...
Top Services:
- Business Consulting
- Cybersecurity
- IT Services
- Cloud Consulting
- Show more
- Location
- Palo Alto, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $300/hr
- Minimal Budget
- $25,000 - $50,000
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...
Top Services:
- Web Development
- Mobile App Development
- Software Development
- CRM Consulting
- IT Services
- Show more
- Location
- Ontario, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
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...
Top Services:
- Cybersecurity
- Managed Services
- IT Services
- Software Development
- AI Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
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:
- Mobile App Development
- Software Development
- eCommerce Development
- IT Services
- Show more
- Location
- Carlsbad, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- Under $1,000
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
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...
Top Services:
- Software Development
- Mobile App Development
- Software Testing
- IT Services
- Big Data Analytics
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
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...
Top Services:
- Web Development
- AI Development
- Software Development
- IT Services
- CRM Consulting
- Show more
- Location
- El Segundo, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $199/hr
- Minimal Budget
- $25,000 - $50,000
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...
Top Services:
- Web Design
- eCommerce Development
- Web Development
- WordPress Website Design
- SEO
- Show more
- Location
- Newark, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
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...
Top Services:
- Mobile App Development
- Blockchain
- Software Development
- AI Development
- Web Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
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...
Top Services:
- Mobile App Development
- Web Development
- eCommerce Development
- Software Development
- AI Development
- Show more
- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
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...
Top Services:
- Digital Marketing
- SEO
- PPC
- Managed Services
- Cybersecurity
- Show more
- Location
- Orange County, California
- Number of Employees
- Under 49
- Minimal Budget
- Under $1,000
DevTeam.Space is an AI-powered community of expert dev teams. Our mission is to help more businesses build great online products...
Top Services:
- Software Development
- Mobile App Development
- AI Development
- Web Development
- eCommerce Development
- Show more
- Location
- Sunnyvale, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
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...
Top Services:
- CRM Consulting
- ERP Consulting
- Big Data Analytics
- Managed Services
- Cloud Consulting
- Show more
- Location
- Pleasanton, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $130/hr
- Minimal Budget
- $1,000 - $10,000
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...
Top Services:
- Web Development
- eCommerce Development
- Creative Services
- Blockchain
- Software Development
- Show more
- Location
- Pleasanton, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
LoudFace is a full-stack organic growth agency for B2B SaaS and fintech, with AI visibility measured per engine. We run GEO, SEO, AEO, content, and conversion to get companies discovered across Google and AI search. We implement across your stack when the program needs it...
Top Services:
- Branding
- Design Services
- Digital Strategy
- Web Development
- AEO
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
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...
Top Services:
- Web Development
- eCommerce Development
- Email Marketing
- Web Design
- WordPress Website Design
- Show more
- Location
- El Sobrante, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $165/hr
- Minimal Budget
- $1,000 - $10,000
Enspyre Digital is a marketing and advertising agency in Bakersfield, California specializing in growing businesses through lead generation and brand management...
Top Services:
- Digital Marketing
- SEO
- Branding
- Web Design
- Mobile App Development
- Show more
- Location
- Bakersfield, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $1,000 - $10,000
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
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
GenXAI is a publicly listed technology company building enterprise planning and data systems. Our team of 450+ consultants delivers Anaplan and SAP led implementations, ERP transformation, data analytics and engineering, and application development for clients across India, the United States, Malaysia, and...
Top Services:
- ERP Consulting
- CRM Consulting
- Big Data Analytics
- IT Services
- Business Consulting
- Show more
- Location
- Pleasanton, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
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
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
IT Services Companies in California by City
Related Services in California
IT Services Specializations in California
Popular Services
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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:
- Managed IT support
- Cloud services
- Cybersecurity
- IT consulting
- Software development
- Infrastructure setup
- Help desk support
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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