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.
WGS2D is a boutique business and technology consulting firm built by experienced leaders from top-tier firms. We're known for moving fast, delivering real outcomes, and putting the client first always. What sets us apart is how we execute. We don't just advise; we own results. Our Say/Do ratio is 100%. if we...
Top Services:
- Managed Services
- Cloud Consulting
- IT Services
- DevOps Consulting
- Cybersecurity
- Show more
- Location
- Oakland, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Perimattic is a technology partner specializing in AI development, software development, cloud solutions, DevOps, MLOps, and enterprise technology services. The company helps startups, growing businesses, and enterprises build secure, scalable, and high-performance digital solutions...
Top Services:
- AI Development
- DevOps Consulting
- Cloud Consulting
- Software Testing
- Software Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
VANAA RCM is a healthcare revenue cycle management and provider credentialing company serving practices, clinics, hospitals, and health systems across the United States. We specialize in provider credentialing, payer enrollments, provider licensure, CAQH maintenance, and end-to-end medical billing services...
Top Services:
- IT Services
- Software Development
- AI Development
- Location
- San Ramon, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $40/hr
Xantrion's managed cybersecurity services help small and midsized businesses protect data, mitigate risk, and support compliance. With 24/7 U.S.-based monitoring, threat detection and response, employee training, and proactive vulnerability management, Xantrion delivers protection tailored to your business...
Top Services:
- IT Services
- Cybersecurity
- Cloud Consulting
- Managed Services
- IT Compliance Solution
- Show more
- Location
- Lafayette, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $150/hr
Cloud, Data & AI Solutions That Scale...
Top Services:
- AI Development
- Software Development
- IT Services
- Cloud Consulting
- Big Data Analytics
- Show more
- Location
- Pleasanton, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
VoIP Cloud Virtualization Corporate Email Backup Endpoint Security Web DevelopmentEnterprise IT Infrastructure & Communications EngineeringVoIP and unified communications, virtualization, cloud infrastructure, corporate email, backup and disaster recovery, DNS and endpoint security, and website...
Top Services:
- Phone Answering Services
- Call Centers
- IT Services
- Cybersecurity
- Cloud Consulting
- Show more
- Location
- San Bernardino, California
- Number of Employees
- Under 49
Calance is a global IT services company delivering managed IT, Microsoft solutions, cloud services, cybersecurity, software development, and IT staffing solutions. We help organizations improve operations, modernize technology environments, and build scalable solutions through experienced teams and...
Top Services:
- Managed Services
- IT Services
- Cloud Consulting
- Cybersecurity
- Software Development
- Show more
- Location
- Glendale, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $30/hr
- Minimal Budget
- Under $1,000
Hajana Technologies is an AI & workflow automation partner helping U.S. businesses eliminate manual admin tasks. Engineered by enterprise systems architects, we build custom autonomous AI agents, multi-agent workflows, and RAG systems to scale your operations without expanding headcount...
Top Services:
- AI Development
- Software Development
- IT Services
- CRM Consulting
- ERP Consulting
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- Location
- Fresno, California
- Number of Employees
- Under 49
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
MARFI Systems is a SOC 2 Type II certified managed IT, cybersecurity and compliance provider in Santa Monica serving startups, healthcare, fintech and defense contractors across Los Angeles and Southern California. Launchpad bundles proactive IT, 24/7 SOC, endpoint and email security, identity, backup and...
Top Services:
- Managed Services
- Cybersecurity
- IT Compliance Solution
- IT Services
- Cloud Consulting
- Show more
- Location
- Santa Monica, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $175/hr
- Minimal Budget
- $1,000 - $10,000
CentraLink provides managed IT services in Pasadena, helping businesses improve performance, security, and reliability through proactive technology management. Services include 24/7 IT support, cybersecurity, cloud solutions, network support, helpdesk services, business continuity, and strategic IT...
Top Services:
- Managed Services
- Cybersecurity
- Cloud Consulting
- IT Services
- IT Compliance Solution
- Show more
- Location
- Pasadena, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
At Saguna Consulting, we work alongside businesses to create, build, and improve digital products powered by the latest in AI, cloud computing, and modern software engineering. We provide businesses with innovative, scalable technology solutions, helping to overcome tough business problems, boost operational...
Top Services:
- Digital Services
- UI/UX Design
- Web Development
- Digital Marketing
- AI Development
- Show more
- Location
- Irvine, California
- Number of Employees
- 50 - 99
- Minimal Budget
- Under $1,000
Strategy. Creative. Technology...
Top Services:
- Digital Strategy
- Digital Services
- Content Marketing
- Creative Services
- Video Production
- Show more
- Location
- San Carlos, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $120/hr
- Minimal Budget
- $1,000 - $10,000
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
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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