Top IT Services Companies in California

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

We Have Researched the Best California IT Support Companies For You

5 Companies-Rankings updated: September 09, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

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United States × California × Delivery & Takeaway × $1,000 - $10,000 ×Clear Filters

Smile Global
Cutting Edge Managed IT Services
Smile Global was founded with a simple yet powerful belief every organization, no matter its size, deserves enterprise-level IT consulting and support at an affordable cost. We saw the challenges that non-profits and small to mid-size businesses faced with technology and knew there was a better way...
Top Services:
Managed Services
Cybersecurity
IT Services
Cloud Consulting
IT Compliance Solution
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Location
Ventura, California
Number of Employees
50 - 99
Average Hourly Rate
$150/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
Smile Global Services
Managed Services
Cybersecurity
IT Services
Cloud Consulting
IT Compliance Solution
Web Design
WordPress Website Design
Web Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
School Districts
Logistics
Law enforcement
Farms
Management Companies
Data sourced from the agency's DesignRush profile
Smile Global Reviews & Testimonials
Becca Rdgz Review from Google
5.0★
Becca Rdgz's Review Sourced from Google
This IT company has been extremely helpful and professional. They respond quickly, explain things clearly, and always make sure issues are fully resolved. Their support has improved our systems and made our work much easier. We truly appreciate their reliability and expertise. 5 stars to Kevin Crabb he is the best.
Mindy Gallina Review from Google
5.0★
Mindy Gallina's Review Sourced from Google
Working with Smile Global has been an absolute pleasure. Their team is professional, friendly, and incredibly reliable — exactly what you want in an IT partner. They’re always responsive and proactive, ensuring that any issue is handled quickly and efficiently.Most importantly, their cybersecurity monitoring gives us complete peace of mind. Knowing our systems are protected around the clock allows us to focus on serving our clients without worrying about security risks.Smile Global truly sets the standard for excellence in IT support and cybersecurity. We couldn’t recommend them more highly!
Sara Pisan Review from Google
5.0★
Sara Pisan's Review Sourced from Google
Kevin and Smile Global are great! Very knowledgeable and kind. Always takes the time to explain things. For someone that is not in the IT world, I find it very helpful. If you have any security, network, or any computer related issues I would highly recommend reaching out to them!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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5.0 5.0 (25)
SapientPro
Engineering Intelligent Solutions Through Design and Code - Web, Mobile AI, Blockchain
SapientPro is a custom software, design, and AI development team. Since 2017, we've shipped 200+ projects in the US and EU, with offices in New York, Tallinn, and Lucerne. Most clients come back for a second project, the metric we actually care about...
Top Services:
AI Development
eCommerce Development
Mobile App Development
Web Design
Web Development
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Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$40/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
20 Projects Listed
SapientPro Services
AI Development
eCommerce Development
Mobile App Development
Web Design
Web Development
Software Development
IT Services
UI/UX Design
Blockchain
DevOps Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Zich Solutions
Contentoo
HEX
MasTrack
Sprinkle
Slab Sharks
SalesLogs
Piktochart
The Big Data Chef
Footshop
Data sourced from the agency's DesignRush profile
SapientPro Reviews & Testimonials
Slava Berkovich Chief Technology Officer at Saleslogs
5.0★
Software Development Review from Slava Berkovich
SapientPro consistently delivers high-quality work that aligns with project requirements. The team demonstrates strong expertise in Angular, TypeScript, and JavaScript. Their project management and communication practices are highly effective, with weekly client meetings held to provide updates on progress and ensure alignment.
Jeremy Ott Founder at Marketing Reporting Tool
5.0★
Software Development Review from Jeremy Ott
This team was extremely responsive from the start. They pulled together a comprehensive quote for my MVP and have delivered on all of the requirements. The daily updates from the product/project manager are extremely helpful and it’s clear that the team cares about the quality of work they deliver. The engineers working on the product are always willing to make recommendations and go above and beyond to make the experience and underlying infrastructure that much better.
Luc Vlekken CEO at Liswood & Tache
5.0★
eCommerce Development Review from Luc Vlekken
We've had the pleasure of working closely with this development team on several projects, and the experience has been consistently excellent. Not only are they highly skilled developers, but they also think along with us both from a technical and a product/customer perspective. Their proactive attitude, reliability, and ability to translate complex requirements into elegant solutions make them a true partner rather than just a supplier. Highly recommended.
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4.9 4.9 (20)
Rocketech Development
We create digital products and grow with our partners!
Rocketech is a software development company collaborating with 100+ Middle and Senior level IT and business professionals and specialising in analytics-driven web and mobile development. Our team has released 150+ products for 100+ startups and enterprises...
Top Services:
Mobile App Development
Web Development
Software Development
Blockchain
UI/UX Design
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Location
San Francisco, California
Number of Employees
50 - 99
Average Hourly Rate
$30/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
14 Projects Listed
Rocketech Development Services
Mobile App Development
Web Development
Software Development
Blockchain
UI/UX Design
Digital Services
Managed Services
Market Research
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Walmart
Unilever
Vodafone
Saudi Aramco
IQ Option
HAYS
McKensey & Company
DBS
Aleta Planet
Halyk Bank
Data sourced from the agency's DesignRush profile
Rocketech Development Reviews & Testimonials
Andrey Bezsonov Lead at Absolute Live Gaming
5.0★
Web Development Review from Andrey Bezsonov
We tasked Rocketech with building a roulette system that could live-stream game results directly from an offline casino. There were 3 iterations of the project. The solution has mobile and web versions, supports more than 30 integrations, and provides different monetization channels.Overall, we saved 9 times the budget, while getting high-quality services. The platform handles more than 20K players worldwide and 2 million bets a year. Weve been successful on the market for more than 5 years.
Victoria Oros CEO at Zuzan Global Soultions
5.0★
Software Development Review from Victoria Oros
ROCKETECH helped us set up the development of our scheduling service. Professional developers, great support, good communication and synchronization with the core team.What was it about the company that you didn't like, what should they do better?Duration of recruiting process, good developers is hard to find good if you can make it faster in few days Coaching of Product owner more deeply
Ainar Abdrakhmanov CEO & Founder at Babystep TV
5.0★
Design Services Review from Ainar Abdrakhmanov
Babystep is a Learning Management Platform (LMS) for parents who want to implement innovative teaching methods into their kids' learning curve. The platform connects parents to learning experts and provides accessible consults all over the world. The website combines the functionality of a social media and marketplace, serving as a ground for communication, blogging, and service exchange.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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4.8 4.8 (6)
5.0 5.0 (1)

Visiata LLC
Product Design & Development Agency For SaaS And Fintech
Visiata is a design and development studio that helps businesses build intuitive digital products through integrated strategy, design, and engineering. The studio combines product strategy, UI/UX design, web and mobile development, and ongoing product support to create scalable, high-performance digital...
Top Services:
Graphic Design
Web Design
Web Development
AI Development
Digital Services
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Location
Brentwood, California
Number of Employees
Under 49
Average Hourly Rate
$50/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
7 Projects Listed
Visiata LLC Services
Graphic Design
Web Design
Web Development
AI Development
Digital Services
Logo Design
Branding
Design Services
Product Design
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Colgate
Republic Crypto
Sagetap
Delivery Domain
Voice
Data sourced from the agency's DesignRush profile
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dotLinkers - IT Recruitment Agency
Leading, Innovative IT Recruitment Agency
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
dotLinkers - IT Recruitment Agency Services
Staff Augmentation
IT Services
IT Compliance Solution
Business Consulting
Market Research
HR Outsourcing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Glovo
Splunk
Relativity
Fedex
Welltech
Bitpanda
OEC
Dyson
Siemens
Apollo IO
Data sourced from the agency's DesignRush profile
dotLinkers - IT Recruitment Agency Reviews & Testimonials
Eugene Kasap Review from Google
5.0★
Eugene Kasap's Review Sourced from Google
I had a fantastic cooperation with Maksymilian. He is an outstanding recruiter who stands out for his professionalism and excellent communication skills. He genuinely understands technical profiles and guides candidates through the process with transparency and great energy. Top-tier recruitment experience!
Nicolas Suchier Review from Google
5.0★
Nicolas Suchier's Review Sourced from Google
I had an excellent experience with Dotlinkers. After struggling for three months to find a job, they were incredibly efficient and professional. Thanks to their support, I found a position in just two weeks. Their service was perfect, I highly recommend them!
Bartosz Kania Review from Google
5.0★
Bartosz Kania's Review Sourced from Google
I had been actively searching for new job opportunities for over three months, often finding that many promising postings were either already filled or closed to applications within 24 to 48 hours of being posted. It was a truly frustrating experience.However, with the invaluable assistance from dotLinkers, everything changed. They were instrumental in helping me establish direct contact with the recruitment team at my future employer. The entire process was incredibly straightforward, and what truly set them apart was their exceptional communication.I was consistently informed about all requirements and received regular, timely updates on the status of my application throughout the entire recruitment journey. This level of care and transparency made a significant difference, turning a previously daunting search into a successful and well-supported experience. I highly recommend dotLinkers for their dedicated support and seamless process.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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4.9 4.9 (100)

IT Services Companies in California by City

Related Services in California

IT Services Specializations in California

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Why Companies Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding IT services companies in California. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

Learn more about DesignRush Agency Ranking Methodology.

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DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
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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:

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.