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.
Probey Services builds websites on WordPress and Shopify, iOS and Android apps, and web applications. The IT services firm has delivered 1,800+ projects across global markets. Best for small and mid-size businesses needing a cost-effective offshore development partner...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- Web Design
- WordPress Website Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $10/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 94 Projects Listed
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
M TECHUB LLC
VerifiedVerified by the DesignRush team for authenticity and credibility.M TECHUB LLC Leading Mobile App Development & Staff Augmentation Company in the USA...
Top Services:
- Mobile App Development
- Software Development
- Staff Augmentation
- AI Development
- Web Development
- Show more
- Location
- Mountain View, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 25 Projects Listed
ZAAG SYSTEMS delivers scalable web, mobile & AI solutions with sleek design, driving business growth for US startups...
Top Services:
- eCommerce Development
- AI Development
- Web Development
- Software Development
- Web Design
- Show more
- Location
- Santa Clara, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 17 Projects Listed
Dubai-headquartered technology company specialising in AI, Blockchain, Web & Mobile, and DevOps solutions. 14+ years delivering enterprise-grade digital products for clients across the US, UAE, and UK...
Top Services:
- AI Development
- Blockchain
- Software Development
- Web Development
- Mobile App Development
- Show more
- Location
- Santa Monica, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 18 Projects Listed
Certified E-Commerce Development Company...
Top Services:
- eCommerce Development
- Web Development
- IT Services
- Web Design
- Mobile App Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 16 Projects Listed
Our team of experts focuses on delivering top-quality services to our clients, ensuring that they receive the best results. We aim to help businesses and individuals build their online presence through effective website development, optimization, and design. Our mission is to exceed our client's expectations...
Top Services:
- Web Design
- eCommerce Development
- Web Development
- WordPress Website Design
- Software Testing
- Show more
- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 20 Projects Listed
An ecosystem for B2B/ B2B2C websites on multiple platforms with robust technology and a customer-oriented mindset...
Top Services:
- eCommerce Development
- Web Development
- Software Development
- Web Design
- UI/UX Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 250 - 499
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
We are Horus Studio, a Global Mobile Development Studio passionate about creating cutting-edge apps using .NET MAUI, Flutter and Uno Platform...
Top Services:
- Mobile App Development
- Software Development
- IoT
- UI/UX Design
- Product Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
RipenApps Technologies is the leading mobile app development company which is headquartered in USA and successfully running in other locating countries including India, UAE, Australia...
Top Services:
- Mobile App Development
- eCommerce Development
- Web Development
- Web Design
- UI/UX Design
- Show more
- Location
- Ontario, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 21 Projects Listed
Anmel is proven to boost productivity by up to 60% and efficiency by 45% for startups and enterprises alike. Trusted by businesses globally, Anmel delivers tangible results, driving success and growth in today's competitive market landscape...
Top Services:
- AI Development
- Software Development
- IT Services
- Mobile App Development
- Wearables
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $25,000 - $50,000
WareGo is a leading provider of Warehouse Management Systems (WMS) and supply chain technology, dedicated to eradicating inventory chaos through intelligent automation...
Top Services:
- Software Development
- IT Services
- Location
- Chino, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
Netpace designs and develops websites, digital products, web applications, mobile apps, and custom software for businesses across industries. Our work combines thoughtful UI/UX, modern engineering, scalable technology, and AI capabilities to create digital experiences that are intuitive, functional, and built...
Top Services:
- Web Development
- eCommerce Development
- Web Design
- Software Development
- AI Development
- Show more
- Location
- San Ramon, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 5 Projects Listed
One of the top Cyber Security providers, Web Development Services, App Development Services, UI/UX Services, and Software Testing Services...
Top Services:
- Branding
- Web Design
- Web Development
- IoT
- Software Testing
- Show more
- Location
- Bakersfield, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $13/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Tivora is a forward-thinking IT solutions provider dedicated to helping businesses grow through innovation, technology, and tailored digital strategies. With a strong focus on delivering customized solutions, Tivora empowers organizations to align their technology with business goals, enabling long-term...
Top Services:
- IT Services
- Managed Services
- Cloud Consulting
- Software Development
- Show more
- Location
- Fresno, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $1,000 - $10,000
At Final Key Consulting, we offer a range of services tailored to assist you in starting, enhancing, and growing your business. With competitive pricing, we ensure value-driven solutions that meet your needs without compromising quality...
Top Services:
- Logo Design
- Web Design
- eCommerce Development
- WordPress Website Design
- SEO
- Show more
- Location
- Pacifica, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Portfolios Count
- 1 Project Listed
WebMob Technologies
Award WinnerRecipient of a Best Design Award for outstanding work.Webmob Technologies is global leader in custom web & app development, offering consulting & development services to businesses of all sizes -from startups to mid-sized organizations to enterprises. Our custom web & app-development expertise have earned us top reviews & prominent position in industry...
Top Services:
- Mobile App Development
- Web Development
- eCommerce Development
- Web Design
- Software Development
- Show more
- Location
- San Jose, California
- Number of Employees
- 100 - 249
- Portfolios Count
- 9 Projects Listed
Acquaint Softtech is an Official Laravel Partner with 15+ years of experience in software development. We specialize in Laravel solutions and excel in IT staff augmentation, remote development teams and outsourcing to deliver scalable, best results...
Top Services:
- Staff Augmentation
- IT Services
- Web Development
- eCommerce Development
- Mobile App Development
- Show more
- Location
- Highland, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
dotLinkers is an international IT recruitment and staffing agency headquartered in Kraków, Poland, specializing in building R&D centers, tech hubs, and high-performing engineering teams for global companies. The firm focuses on IT recruitment, tech staffing, and flexible recruitment process outsourcing (RPO)...
Top Services:
- Staff Augmentation
- IT Services
- IT Compliance Solution
- Business Consulting
- Market Research
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- 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
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
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
Why companies trust DesignRush
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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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