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.

Azumo
VerifiedVerified by the DesignRush team for authenticity and credibility.Build Intelligent Apps for Web, Mobile, Data, AI and Cloud
Azumo provides nearshore software development through dedicated teams and staff augmentation, covering AI, data engineering, cloud, and mobile. The IT company serves fintech, healthcare, and SaaS sectors. It’s best for mid-size companies seeking outsourced development with senior technical oversight...
Top Services:
- AI Development
- Software Development
- Staff Augmentation
- Mobile App Development
- Big Data Analytics
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 9 Projects Listed
Data sourced from the agency's DesignRush profile, its website, and other relevant accountsAzumo Services
Data sourced from the agency's DesignRush profileDiscovery Channel Meta Zynga Jostens Assembled Brands NGL NCSoft Twitter Horoscope.com Bento
Azumo Reviews & Testimonials

Software Development Review from Michael S.
We selected Azumo to develop our software. We transitioned from another development company, so Azumo was initially responsible for migrating our existing code and environments. We are currently still working with Azumo as our nearshore software development team on adding new items to our software.

UI/UX Design Review from Anonymous
Azumo helped us migrate our existing UIs into a new framework, creating reusable components and the infrastructure needed for future development. The developer they assigned became a seamless part of our team, always punctual, responsive, and a great fit overall.

Software Development Review from Anonymous
Thanks to Azumo’s work, our product is now more scalable, optimized, and ready for a growing user base. Their team has managed the engagement effectively, keeping us updated and addressing any challenges along the way. We’ve appreciated their constant availability and proactive communication.
Reviews verified by DesignRush and sourced from the agency's profile View All ReviewsWe're JetRuby — AI-native, award-winning, and ISO-certified agency that's been shipping software since 2010. Our 250+ engineers turn bold ideas into production-ready products, starting from budgets of $50,000 and scaling all the way to enterprise roll-outs...
Top Services:
- Web Development
- Software Development
- Mobile App Development
- Web Design
- AI Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 33 Projects Listed
Leveraging 30 years of excellence designing, developing, deploying and supporting world-class software solutions, Kanda Software has established itself as a trusted Software Development, Cloud Engineering, DevOps and QA partner for companies ranging from innovative startups to large enterprises...
Top Services:
- Software Development
- Mobile App Development
- IT Services
- IoT
- VR/AR
- Show more
- Location
- Alameda, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 16 Projects Listed
Software, IT, and HR Tech solutions for all of your needs. Vincit is an award-winning development and design company. We build tailor-made, results-driven e-commerce platforms, foodtech solutions, mobile apps, web services, and embedded systems. We excel in composable software, and coupling backend...
Top Services:
- Mobile App Development
- Web Design
- AI Development
- Software Development
- UI/UX Design
- Show more
- Location
- Orange County, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $180/hr
- Minimal Budget
- $50,000 & Up
Using our passion and expertise to provide long-term value and innovative solutions for our clients...
Top Services:
- Software Development
- IT Services
- Location
- Pleasanton, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 1 Project Listed
Distillery is a seasoned player in the field of nearshore software development, offering expertise and a robust process for building, scaling, and innovating technology solutions...
Top Services:
- Software Development
- Mobile App Development
- Software Testing
- Blockchain
- IoT
- Show more
- Location
- Manhattan Beach, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 6 Projects Listed
OSP is a healthcare technology company dedicated to transforming the industry through innovative digital solutions. With more than 16 years of experience and a team of skilled healthtech experts, OSP helps healthcare organizations improve performance, efficiency, and patient care through advanced technology...
Top Services:
- AI Development
- Software Development
- IT Services
- Location
- San Diego, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
We're a software development agency that builds products that scale. Our engineering-first culture and product-minded approach have powered success stories like Calendlythe scheduling platform that revolutionized meetings for millions...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- IT Services
- DevOps Consulting
- Show more
- Location
- West Hollywood, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $149/hr
- Minimal Budget
- $50,000 & Up
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
IT Services Companies in California by City
Related Services in California
IT Services Specializations in California
Popular Services
Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
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.










