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.
Tech.us is an AI software solutions company that provides AI development, mobile applications, cloud consulting, and IT services. We focus on creating secure, scalable, and innovative technologies that support businesses in their digital journey...
Top Services:
- AI Development
- Mobile App Development
- IT Services
- Software Testing
- Cybersecurity
- Show more
- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Minimal Budget
- $10,000 - $25,000
Rollout AI is the AI-native IT department for growing businesses. Founded by operators from Google, DeepMind, and Apple, we combine responsive tech support, enterprise-grade cybersecurity, and intelligent workflow automation into one seamless service. We handle everything a traditional MSP does — helpdesk...
Top Services:
- Cybersecurity
- Cloud Consulting
- AI Development
- Staff Augmentation
- CRM Consulting
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $1,000 - $10,000
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
Ensolvers is an innovative technology company that specializes in Software development, Software architecture, Product Development, Software Outsourcing, Testing & IT Staff Augmentation solutions...
Top Services:
- Software Development
- Staff Augmentation
- Big Data Analytics
- IT Services
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
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
Vision Quest is a specialized cybersecurity and managed services provider serving the Sacramento professional community. The organization focuses on solving the shortage of high-level technical talent by providing managed detection and response (MDR), endpoint protection, and network security monitoring...
Top Services:
- Cybersecurity
- Managed Services
- IT Compliance Solution
- IT Services
- Cloud Consulting
- Show more
- Location
- Citrus Heights, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $1,000 - $10,000
Appicoders builds high-performance mobile and web applications designed to accelerate business growth. With expertise in strategy, design, and development, we create scalable digital experiences that drive engagement and deliver measurable results...
Top Services:
- Digital Services
- Branding
- eCommerce Development
- IoT
- AI Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
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...
Top Services:
- Managed Services
- Cybersecurity
- IT Compliance Solution
- IT Services
- Staff Augmentation
- Show more
- Location
- Campbell, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
We don't just build software at Top Remotely we create solutions that work, scale, and impress. With a powerhouse team of 150+ in-house developers, we turn complex challenges into seamless digital experiences. Whether you need custom software, enterprise platforms, or next-gen IT solutions, we bring the Top...
Top Services:
- Mobile App Development
- Software Development
- DevOps Consulting
- IT Services
- Web Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
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
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
City of Trees Tech is a Sacramento-based technology firm helping businesses build smarter, stronger digital foundations. We specialize in custom websites, web and mobile apps, CRM solutions, automation, and digital marketing designed to improve efficiency, visibility, and growth. Backed by a global team of...
Top Services:
- Web Design
- eCommerce Development
- Web Development
- WordPress Website Design
- SEO
- Show more
- Location
- Sacramento, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
BM Cloud Consultancy is ultimate solution provider of salesforce cloud services, staffing and augmentation and Salesforce Training and Development...
Top Services:
- CRM Consulting
- ERP Consulting
- Staff Augmentation
- Cloud Consulting
- IT Services
- Show more
- Location
- California City, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
Nextwebi, a technology-driven digital transformation company delivering intelligent, AI-powered solutions to businesses of all sizes. We partner with startups, SMEs, & enterprises & help them adopt modern tech that improve efficiency, enhance customer experiences, &unlock new growth opportunities...
Top Services:
- Web Development
- Software Development
- IT Services
- Managed Services
- Digital Marketing
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
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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