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.
With over 9+ years of experience and 1000+ happy clients, we commit ourselves to your growth. Our team of 85+ of digital marketing experts has delivered:1. 493.37% Increase In Conversions2. 140.91% Increase In Purchases3. 702.60% Increase In Conversion Value4. 180.50% Increase In New Users...
Top Services:
- Digital Marketing
- Public Relations
- IT Services
- UI/UX Design
- Software Testing
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 32 Projects Listed
Next-Generation AI Development Company - Transforming Ideas into Intelligent RealityDreamSoft4u is pioneering the future of AI-powered software development with cutting-edge Generative AI solutions that deliver measurable business impact...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- IoT
- AI Development
- Show more
- Location
- Corona, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 18 Projects Listed
DigiTrends is a full-stack digital agency with a strong mission to digitize various sectors, ranging from Pharma and Fintech to e-commerce and retail. With proven experience and expertise, we have earned the trust of over 600+ brands, including globally renowned enterprises and fortune 500 companies...
Top Services:
- Mobile App Development
- Web Development
- eCommerce Development
- VR/AR
- Web Design
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 21 Projects Listed
Advanced Networks delivers fully managed IT and cybersecurity from our Los Angeles HQ and offices in Orange County and San Francisco, serving Southern California and the Bay Area. Unlimited support, proactive monitoring, and a full security stack, on a fixed monthly rate with no surprise costs...
Top Services:
- Managed Services
- IT Services
- Cloud Consulting
- Cybersecurity
- IT Compliance Solution
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $1,000 - $10,000
Internet Nerdz stands as a premier technology services and consulting firm, dedicated to crafting innovative solutions tailored to meet the intricate demands of your digital transformation journey. With a steadfast commitment to excellence, we specialize in developing cutting-edge strategies and solutions...
Top Services:
- IT Services
- Managed Services
- Cloud Consulting
- Cybersecurity
- IT Compliance Solution
- Show more
- Location
- Santa Monica, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
The 20 MSP delivers Managed IT Services that help businesses operate smarter, safer, and more efficiently across single and multi-location environments. We act as a true extension of your organization, providing proactive IT support, cybersecurity, cloud and Microsoft and Apple management, and strategic IT...
Top Services:
- Managed Services
- IT Services
- Cybersecurity
- Location
- Santa Cruz, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $1,000 - $10,000
For over 25 years, Acorn IT Services has helped businesses eliminate IT instability, reduce cybersecurity exposure, and scale with confidence through fully managed IT, cloud, and security solutions, serving mid-sized organizations that cannot afford downtime, compliance gaps, or reactive IT...
Top Services:
- IT Services
- Cybersecurity
- Location
- Ontario, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Movya helps businesses turn ideas into intelligent digital solutions through custom software, AI-powered automation, and modern web and mobile applications. We focus on building scalable, user-friendly products that simplify operations, enhance customer experiences, and support long-term business growth...
Top Services:
- AI Development
- Software Development
- CRM Consulting
- Digital Marketing
- SEO
- Show more
- Location
- Jurupa Valley, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $18/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 20 Projects Listed
Intelecis is a renowned Managed Security Service Provider (MSSP) in the United States and the United Kingdom. We are dedicated to providing organizations with the most dependable, secure, and competent IT Security and Support service possible. When you deal with the most highly rated Cyber Security Company as...
Top Services:
- IT Services
- Cybersecurity
- Managed Services
- IT Compliance Solution
- Cloud Consulting
- Show more
- Location
- Fullerton, California
- Number of Employees
- 50 - 99
- Minimal Budget
- $1,000 - $10,000
We at PowerPhrase Web Design Services provide performance testing, responsive web design services aimed at crafting websites that will remain aesthetically pleasing & user-friendly, regardless of the platform being used...
Top Services:
- Web Design
- WordPress Website Design
- Software Testing
- Software Development
- AI Development
- Show more
- Location
- Santa Ana, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Nexplay Consulting specializes in providing top-quality managed IT and infrastructure cabling services to the hospitality industry. With a focus on white-glove service and execution, we support the finest hotels and establishments across the U.S. Our innovative solutions and unwavering commitment to customer...
Top Services:
- Cloud Consulting
- IT Services
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $199/hr
- Minimal Budget
- $1,000 - $10,000
L3 Networks provides Managed IT Services & Support. From Cyber Security to Cloud Services, L3 Networks keeps your business secure, reliable, and future-proof since 2000...
Top Services:
- Managed Services
- IT Services
- IT Compliance Solution
- Cloud Consulting
- Cybersecurity
- Show more
- Location
- Cypress, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
At Sagacent Technologies, we stand out as a premier IT services provider dedicated to delivering exceptional solutions and unparalleled customer support...
Top Services:
- Cybersecurity
- IT Services
- IT Compliance Solution
- Cloud Consulting
- Show more
- Location
- San Jose, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
If we break down the essence of Luminoguru, it is made up of two words: 'Lumino' meaning 'Light' and 'Guru' meaning 'Teacher'. In the realm of work, light symbolizes clarity and inspiration. Like a guiding beacon, it lightens up ideas, nurtures creativity, and transforms the workspace into a realm where...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- eCommerce Development
- IoT
- Show more
- Location
- Nevada City, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
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
OC Security Audit provides expert IT and cybersecurity services, including network and system administration, security assessments, penetration testing, vulnerability management, compliance audits (HIPAA, PCI-DSS, ISO 27001), cloud security, firewall configuration, disaster recovery, endpoint protection, and...
Top Services:
- Cybersecurity
- Managed Services
- IT Services
- IT Compliance Solution
- Cloud Consulting
- Show more
- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
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
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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