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
United States × California × Retail × Under $1,000 × Clear Filters
  • The Leading Provider for Inventory & Warehouse Management Solutions

    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

    WareGo Services

    • Software Development
    • IT Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Eximpo
    • Oaks
    • GMI Trading
    • Whole Link Corporation
    • Urban Threads
    Data sourced from the agency's DesignRush profile

    WareGo Reviews & Testimonials

    • Matt D
      Matt D Review from Google
      5.0

      Matt D's Review Sourced from Google

      WareGo’s 3PL WMS have completely streamlined our operations. Our 3PL clients love having their own dashboard to see stock levels, and we’ve reduced our upkeep by nearly 30%

    • Harry B
      Harry B Review from Google
      5.0

      Harry B's Review Sourced from Google

      Their Bill of Materials (BOM) software is incredibly precise. We’ve seen a 40% reduction in inventory costs because we’re no longer over-ordering parts 'just in case.' The AI-powered demand forecasting accurately predicts our seasonal spikes, keeping us lean and efficient.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • 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
  • 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
  • Empowering Your Business Growth With Precision

    Staydify Growth Systems is a division of the UK-based HiringBooster Group, focused on driving technology-enabled business growth. The company specializes in delivering advanced custom software development and precision IT staffing services, leveraging its global footprint across the UK, USA, India, and other...

    Top Services:

    • Software Development
    • IT Services
    • Web Design
    • Web Development
    • Mobile App Development
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $10/hr
    Minimal Budget
    Under $1,000

    Staydify Systems Services

    • Software Development
    • IT Services
    • Web Design
    • Web Development
    • Mobile App Development
    • eCommerce Development
    • Digital Marketing
    • Email Marketing
    • Content Marketing
    • Reputation Management
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Automobile
    • Fintech
    • Healthcare
    Data sourced from the agency's DesignRush profile
  • 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
  • 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
      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
      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
      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 exp experience with IT Tropolis and would highly recommend them! Thank you, Bob!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • 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

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. 

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