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

9 Companies-Rankings updated: September 09, 2026

DesignRush vets all agencies based on professional qualifications and verified customer feedback to help you choose confidently. Some featured agencies maintain paid sponsorships.

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United States × California × Consumer Goods × Under $1,000 ×Clear Filters

Probey Services
Verified
World's #1 Rated & Reviewed App, Website & Software Development Company
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
Probey Services Services
Mobile App Development
Software Development
Web Development
Web Design
WordPress Website Design
Digital Marketing
Digital Services
SEO
IT Services
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Bartisans
Samyakk
30 Days Fitness
Isharya
The Estate Residences
VegenMart
Fresh Menu Application
PRAO Fashion Jewellery
Audentia Space
Wings of Change
Data sourced from the agency's DesignRush profile
Probey Services Reviews & Testimonials
Rajat Sinh Founder at Aaayan Systems
5.0★
Web Development Review from Rajat Sinh
Probey transformed our outdated website into a modern, high-performing platform by understanding our business goals and delivering the right solutions. Since the launch, we have seen significant growth in website traffic, lead conversions, and operational efficiency through their backend integrations. Impressed with their expertise and quality of work, we also trusted Probey with our CRM development project as well. Thank you to the entire Probey Services team for your professionalism and support.
Roshan CEO at NanoTherapX
5.0★
Web Design Review from Roshan
This is Roshan, CEO at NanoTherapX. Working with Probey Services for our CRM Development. What stood out most was their stability, consistency, reliability, and a smooth implementation. The CRM has streamlined our client management, improved team efficiency, and helped us manage operations more effectively. Since its implementation, we've seen better productivity and consistent business growth. I highly recommend Probey Services UK to any business looking for a reliable technology partner.
Tejaswini Director at Green Matter Packaging
5.0★
Mobile App Development Review from Tejaswini
What stands out most about Probey Services is their discipline-no missed calls, no vague timelines, and no surprises. They built our mobile app with a level of professionalism that made us feel like a priority throughout the project. The delivery was on schedule, the code quality was excellent, and the final product met high standards. Since the app launch, we've seen consistent business growth, and managing customer orders has become much more efficient. I highly recommend Probey Services UK to any business looking for a dependable technology partner.
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5.0 5.0 (110)
5.0 5.0 (1)
Internet Dominators
Marketing that Works Hard, So You Don't have To!
John Limbocker, Founder of Internet Dominators, has been cracking Search Engine codes and getting top listings for his clients since the mid 90s. He is a sought after speaker making numerous worldwide guest appearances demystifying how the Search Engines really work and how to beat them. Most recently John...
Top Services:
IT Services
Location
Huntington Beach, California
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
Under $1,000
Internet Dominators Services
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Dean Cain
GKIC
WEB 2.0 Expo
UnGagged
Pepperdine
SEO Rockstars
Shell
US Divers
Dupont
Data sourced from the agency's DesignRush profile
Internet Dominators Reviews & Testimonials
Gina St George Review from Google
5.0★
Gina St George's Review Sourced from Google
John and the Internet Dominators team are excellent! They really care about your success and have great programs to equip any entrepreneur with what they need to make stuff happen online. I am grateful to have met John, to be able to learn from him, and to be advised by him. At this point in his life, John could be doing anything he wants, but he chooses to be helpful to others. Great guy! Great business!
Jim Kaspari Review from Google
5.0★
Jim Kaspari's Review Sourced from Google
John has been instrumental in taking my online marketing education and abilities to the next level. His customer service is amazing, his team exceptional and I've seen results fast. I Highly recommend Internet Dominators!
Barbara Cunningham Review from Google
5.0★
Barbara Cunningham's Review Sourced from Google
John's ACT program is the complete plan for a business owner to Identify their ideal client, create their marketing message, build out their landing pages and then attract the traffic that is dying to buy their product. The customer desires the product because the message is so on target, so no selling involved! What could be BETTER than that! Along with the online classes John teaches live in small groups and then has a support Q & A call once a week.
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5.0 5.0 (12)
24hourtek
The Forward Thinking IT Company
24hourtek provides managed IT services for SMBs and nonprofits in the San Francisco Bay Area and Denver. We focus on reliable IT operations, cybersecurity, and long-term IT strategy for organizations that want fewer disruptions and clearer direction. Our team supports day-to-day technology needs while helping...
Top Services:
IT Services
Location
San Francisco, California
Number of Employees
Under 49
Minimal Budget
Under $1,000
24hourtek Services
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Health Care Industry
Nonprofit Industry
eCommerce Industry
Data sourced from the agency's DesignRush profile
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SoftClouds
Your ultimate cloud service provider
At the forefront of IT, CRM & CX solutions, SoftClouds, headquartered in San Diego, CA, emerges as a transformative force. As an esteemed Oracle Platinum Partner, we specialize in crafting ERP solutions, cloud, mobile, and digital solutions that elevate corporate profitability while seamlessly unraveling...
Top Services:
Cloud Consulting
IT Services
ERP Consulting
Mobile App Development
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Location
San Diego, California
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
Under $1,000
Portfolios Count
5 Projects Listed
SoftClouds Services
Cloud Consulting
IT Services
ERP Consulting
Mobile App Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Cisco
Intuit
Visa
Data sourced from the agency's DesignRush profile
SoftClouds Reviews & Testimonials
Ashlesha Gajbhiye Review from Google
4.0★
Ashlesha Gajbhiye's Review Sourced from Google
Working at SoftClouds has been an incredibly rewarding experience. The team feels more like a family, where everyone genuinely supports and uplifts one another. The collaborative and inclusive work culture has played a key role in my professional and personal growth.
Aarthi Jenny Review from Google
5.0★
Aarthi Jenny's Review Sourced from Google
SoftClouds has a fantastic company culture and an exciting work environment. As a Project Manager, I am grateful to be part of an organization that values work-life balance, making it a great asset for women professionals. I have been given incredible opportunities to work on engaging projects, and I look forward to continued growth and success with SoftClouds.
Deepak Haridoss Review from Google
5.0★
Deepak Haridoss's Review Sourced from Google
Soft Clouds is an exceptional workplace that offers abundant career growth opportunities. The leadership team is outstanding, consistently prioritizing employee well-being. I thoroughly enjoy the remote work setup, which comes with numerous benefits. Overall, Soft Clouds is a fantastic place to work, offering a healthy work-life balance and ample opportunities for professional development.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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4.9 4.9 (26)
Vertical Computers
Managed IT for Aspiring Businesses
Vertical Computers provides all aspects of IT services. From hosting to “help-desking”, we make IT simple, giving you peace of mind...
Top Services:
IT Services
Managed Services
Location
Chino, California
Number of Employees
Under 49
Minimal Budget
Under $1,000
Vertical Computers Services
IT Services
Managed Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Inland Hills Church
Pixelark LLC
Chino Valley Chamber of Commerce
Data sourced from the agency's DesignRush profile
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Kyriba
Global Cloud-Based Treasury Management Software Solutions
San Diego-based Kyriba is a leader in global cloud-based treasury management software solutions. With proven technology services for cash management applications, Kyriba provides treasury management, cybersecurity, risk management, working capital, and other critical services...
Top Services:
Software Development
Cybersecurity
IT Services
Location
San Diego, California
Number of Employees
250 - 499
Average Hourly Rate
$682/hr
Minimal Budget
Under $1,000
Kyriba Services
Software Development
Cybersecurity
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
ORACLE
HSBC
Accenture
Data sourced from the agency's DesignRush profile
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5.0 5.0 (8)

NEXTWERK
Software Solutions Simplified
As a software services firm, delivering excellence is our mission. We offer development services through specialized teams segmented through our various brands. Whether that is app or website development, WordPress, Open Source, Billing, or E-commerce; we deliver what we promise. We have simplified the...
Top Services:
Software Development
Mobile App Development
IT Services
eCommerce Development
Show more
Location
Carlsbad, California
Number of Employees
Under 49
Average Hourly Rate
$15/hr
Minimal Budget
Under $1,000
NEXTWERK Services
Software Development
Mobile App Development
IT Services
eCommerce Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
The New York Times
Forward Control Software
Project Marker
Solstice Strategy Partners, LLC
OrderLogix
Office Gemini
Niche Academy, LLC
Lyra Associates, LLC
Lumentum
Jovian Digital, LLC
Data sourced from the agency's DesignRush profile
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IT Tropolis
A Leading Technology Company
We are an industry leading technology company in Orange County, CA specializing in managed IT services, cybersecurity & digital marketing for small and medium sized businesses. We ensure your systems are secure, running optimally and that you have help when needed...
Top Services:
Digital Marketing
SEO
PPC
Managed Services
Cybersecurity
Show more
Location
Orange County, California
Number of Employees
Under 49
Minimal Budget
Under $1,000
IT Tropolis Services
Digital Marketing
SEO
PPC
Managed Services
Cybersecurity
IT Services
Software Development
Web Design
Web Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Monster Moving and Storage
LA Grain
Stuff It Storage
Transform Conflicts
Harper & Harper CPA
Charley's Restaurant & Saloon
SMX Power
Marketology
Neurodiagnostic Center
Better Choice Financial
Data sourced from the agency's DesignRush profile
IT Tropolis Reviews & Testimonials
Seacliff Mechanical Review from Google
5.0★
Seacliff Mechanical's Review Sourced from Google
I highly recommend IT Tropolis Support and Managed Services for all of your business technology needs. Bob is friendly, prompt, knowledgeable and reliable. He helps us update and maintain our company emails, new hardware and troubleshooting as well. He helped up solve a complex office phone issue when Verizon and Spectrum could not.
Byron Bame Review from Google
5.0★
Byron Bame's Review Sourced from Google
Bob is the best! I live in Fountain Valley and I do my best to support local businesses. Bob is quick to respond, professional, and friendly. I am thrilled to have found Bob to handle my business' IT needs, and have full confidence that I am in good hands.
Randy White Review from Google
5.0★
Randy White's Review Sourced from Google
Bob did an excellent job setting up our new office and getting us going! He came to our rescue right away, was very professional and knows what he's doing! We had a great expexperience with IT Tropolis and would highly recommend them! Thank you, Bob!
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5.0 5.0 (12)
ByteBotix InfoTech LLP
Your Business Cataylst
ByteBotix InfoTech LLP is the top service provider, We focus on Industrial and web intelligence, Web and Mobile Applications and IOT based products. Whether you are a small , medium or largescale company we have got covered you all. What makes us stand out is that we deliver secured, standard and cost...
Top Services:
Software Development
Mobile App Development
Software Testing
Managed Services
UI/UX Design
Show more
Location
Vacaville, California
Number of Employees
Under 49
Average Hourly Rate
$25/hr
Minimal Budget
Under $1,000
ByteBotix InfoTech LLP Services
Software Development
Mobile App Development
Software Testing
Managed Services
UI/UX Design
IT Services
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
SMS College
PTS Fitness
The Hirist
Marian Institute of Advanced Studies
Prime Homes
Data sourced from the agency's DesignRush profile
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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.

Sources

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.
The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

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.