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.
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
Integritek offers comprehensive managed IT services, acting as an extension of the client's teams to alleviate the stress of IT management and allow them to focus on driving their business forward. With a proactive approach and a team of certified technicians, Integritek ensures that the clients' IT...
Top Services:
- IT Services
- Managed Services
- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $300/hr
Amazon Automations is a USA-based service agency of auomations service providers. They provide services of automation like: amazon automation, Shopify automation, tiktok automation and walmart automations...
Top Services:
- Cloud Consulting
- Managed Services
- IT Services
- Public Relations
- Print Design
- Show more
- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $500/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
TechAuditPros is a leading white label SEO agency offering outsource SEO services, SEO outsourcing services, technical SEO, link building, local SEO, and website optimization for agencies and businesses worldwide. As a trusted SEO outsourcing company India, we provide scalable, cost-effective solutions for...
Top Services:
- Digital Services
- Digital Strategy
- Branding
- Video Production
- Graphic Design
- Show more
- Location
- California Hot Springs, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $500/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
National Payment Processing (NPP) is a U.S.-based merchant services provider that helps businesses accept payments securely while reducing processing costs through innovative payment solutions. Since 1990, NPP has supported businesses across retail, restaurants, eCommerce, healthcare, field services...
Top Services:
- Digital Services
- Digital Strategy
- eCommerce Development
- Web Development
- AI Development
- Show more
- Location
- Stockton, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $500/hr
- Minimal Budget
- $1,000 - $10,000
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
AOE is a leading global technology service provider and consultancy, supporting large enterprises in their digital strategy and execution of digital transformation. Utilizing Open Source technology stacks exclusively, our agile and long-term partnerships with our clients result in innovative digital products...
Top Services:
- Software Development
- eCommerce Development
- Web Design
- IT Services
- Show more
- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $1000/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 1 Project Listed
Advanced Hospitality Technologies is a leader in Hospitality Technologies. We have an award winning benchmark for providing affordable, reliable and most advanced hospitality IT Solutions...
Top Services:
- IT Services
- Cybersecurity
- Location
- Fremont, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $1000/hr
Epiq Infotech is a cloud and enterprise resource planning (ERP) consulting and implementation company with more than 20 years of experience and a focus on digital transformation. The company specializes in JD Edwards, Oracle NetSuite, and AWS, providing consulting, implementation, integration, managed...
Top Services:
- Software Development
- IT Services
- Location
- Cerritos, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $1000/hr
- Minimal Budget
- $1,000 - $10,000
Since 1990, security-conscious companies have turned to Aurora for support of their business-critical applications. Aurora’s highly training sales and engineering teams uniquely combine to position Aurora as a single source security consulting service provider...
Top Services:
- Cybersecurity
- Managed Services
- IT Services
- Location
- Torrance, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $5000/hr
- Minimal Budget
- $1,000 - $10,000
IT Services Companies in California by City
Related Services in California
IT Services Specializations in California
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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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