3 Best IT Services in Fullerton, CA

Expert-recommended Top 3 IT Services in Fullerton, California. All of our Managed IT Services actually face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!

8+ YEARS IN TBR
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INTELECIS

1440 North Harbor Boulevard, 9th Floor,
Fullerton, CA 92835 Directions

Since 2010

Specialty:

Managed IT Services Cloud Computing Data Backup and Recovery Managed IT Support Network Security Virtualization Managed Security Services Cyber Security Managed Threat Protection Emergency Rapid Response Data Backup & Disaster Recovery Network Management Governance Risk and Compliance (GRC) Ransomware Removal Malware Removal IT Compliance Microsoft 365 Migration

"Intelecis makes technology simple for businesses by delivering advanced, reliable IT services. Frans Trisnadi, President and CEO of Intelecis, emphasizes their primary focus on providing businesses with reliable, secure, and professional IT security and support services. Their team consists of skilled and friendly IT experts who can solve all kinds of technology and cybersecurity issues efficiently. Intelecis offers scalable solutions that are available for a flat fee. With a team that brings over 165 years of combined experience in high-security areas, they specialize in personalized Cyber Security and IT Solutions for small and medium-sized businesses. The World-Class Customer eXperience Trained (WCCXT) Certification is a unique, prestigious program designed specifically for MSPs and IT service firms. This provides the tools and knowledge needed to deliver exceptional customer experiences every day. Intelecis provides 24/7 monitoring and prompt action against any issues that arise. All their managed cybersecurity plans come with a no-risk guarantee. They have built their reputation on responsiveness, clear communication, and white-glove support. Clients feel valued, protected, and prioritized every step of the way.

2026 Highlights: Intelecis offers Emergency Technical Support. From proactive IT solutions to ensuring your business stays secure from evolving threats, they bring clarity, confidence, and a local presence you can count on."

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License #3276613

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XONICWAVE IT SUPPORT

4325 Artesia Avenue, Suite B,
Fullerton, CA 92833 Directions

Since 2004

Specialty:

Managed IT Services Managed Security Services Cybersecurity IT Consultancy IT Compliance Customizable SaaS Cyber Insurance proactive solutions IT Strategy Cloud Migrations Digital Transformation VoIP Microsoft 365

"Xonicwave IT Support provides expert IT support, managed services, cybersecurity, and cloud solutions tailored to businesses of all sizes. For over 20 years, they have empowered businesses to thrive securely with premier IT services, with an average client retention of 11 years. Their certified professionals ensure seamless operations, robust security, and compliance with industry standards. They prioritize proactive solutions, fast response times, and cost-effective IT strategies to keep your business ahead. Whether you need IT consulting, network security, or disaster recovery, Xonicwave IT Support delivers reliable, secure, and scalable solutions. Xonicwave provides full-service IT outsourcing for businesses, offering solutions tailored to the specific needs of their clients. Whether you're a proprietor or have up to 500 users per location, their plans are customized to fit your requirements and budget.

2026 Highlights: Xonicwave IT Support specializes in a wide variety of IT Solutions to help your business. Their premier managed IT services are designed to unlock the full potential value that technology can provide to your business."

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Price:

PRICE PER USER:
Conventional Reactive IT Support $125-200
Typical Managed IT Service $150-300

Contact:

(714) 589-2420

Mon-Fri: 8am - 5pm
Sat & Sun: Closed

TBR® Inspection Report:

Alinco IT Inc. - Fullerton, CA It Services - Company Logo
Alinco IT Inc. - Fullerton, CA It Services - Professional Team Image
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3+ YEARS IN TBR
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ALINCO IT INC.

1400 North Harbor Boulevard, Suite 525,
Fullerton, CA 92835 Directions

Since 1982

Specialty:

Backup and Recovery Cloud Services Consulting and Implementation Email Migration Help Desk Full Cloud Hybrid Cloud Microsoft Services Hosting Network Solutions Cybersecurity Site Security Remote Monitoring Firewalls XDR Outsourcing IT Solutions IT Outsourcing Microsoft Service Microsoft Provider Network Security Services

"Alinco IT Inc. specializes in managed IT services designed to help your business thrive in a digital world. Their expertise plays a pivotal role in assisting their clients in expanding their IT capabilities, optimizing their operations, and realizing sustainable growth. Their track record of success demonstrates their ability to serve as a valuable partner in driving technological advancement and business development for their clients. They offer 60 days of complimentary, industry-leading support. Alinco IT Inc. is not just an IT service provider but a trusted ally in helping companies of all sizes and industries navigate the complex IT landscape. Their commitment to exceptional service and their proven ability to facilitate growth make them a preferred choice for businesses in Fullerton and the surrounding areas.

2026 Highlights: With over 40 years of experience serving the Southern California community and beyond, they specialize in providing top-notch technology solutions for small, medium, and large businesses. Their team of experienced professionals is dedicated to understanding your unique challenges and providing solutions that address your specific requirements. They help businesses across a range of regulated industries to thrive with exceptional IT that’s secured to world-class standards."

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License #3185115

Contact:

(714) 736-8868

Mon-Fri: 8am - 5pm
Sat & Sun: Closed

TBR® Inspection Report: