Call Now
Website
Call
Business Details
25 Years
experience
Emergency
services
Your Trusted IT Partner in Grand Terrace, CA
Onsite Computing was founded in 2001 by Frank Barbarossa, a U.S. Army veteran with extensive IT expertise. We specialize in delivering comprehensive IT solutions to small and medium-sized organizations across California, with remote cloud services extending to North America and Asia. Our mission is to empower businesses to leverage technology for enhanced efficiency, competitiveness, and customer satisfaction. With over two decades of experience, we act as a trusted technology advisor, offering proactive support to reduce costs, boost productivity, and align IT strategies with organizational goals.

Our services include managed IT, cybersecurity, cloud solutions, and business continuity planning, tailored to meet the unique challenges of diverse industries. We prioritize client success through predictable pricing, cutting-edge security, and scalable solutions, ensuring businesses remain resilient in an ever-evolving digital landscape.
Services
Managed IT Co-Managed IT Cybersecurity Cloud Solutions Network Design IT Consulting Business Continuity Planning Backup & Disaster Recovery Virtualization Unified Communications
Details
  • Year established: 2001
Highlights and features
  • We have over 24 years of experience in IT services.
  • Our team provides 24/7 proactive monitoring and rapid response to IT issues.
  • We guarantee 99% of SLAs met.
  • We offer predictable costs with flat monthly fees.
  • Our services are tailored to meet the unique IT challenges of different industries.
What people say
Excellent service Quick service Proactive Highly recommend Responsive and helpful
Services
Managed IT
Our Managed IT services provide proactive monitoring, cybersecurity, and cloud solutions to ensure seamless operations. We handle network design, backup, and disaster recovery, allowing businesses to focus on core objectives. With predictable costs and 24/7 support, we minimize downtime and enhance security for long-term reliability.
Cybersecurity
Cybersecurity solutions protect businesses from threats through advanced monitoring and encryption. We implement firewalls, email security, and compliance measures to safeguard data. Our proactive approach ensures rapid response to breaches, maintaining client trust and regulatory compliance across industries.
Cloud Solutions
Cloud Solutions enable scalable, cost-effective data storage and collaboration. We assist with migration, management, and optimization of cloud infrastructure. Our services include hybrid cloud setups and disaster recovery, ensuring businesses adapt to growth while maintaining security and operational efficiency.
Unified Communications
Unified Communications integrates voice, video, and messaging into a single platform. This streamlines collaboration for remote and hybrid teams while reducing costs. We provide secure, scalable solutions with 24/7 support, enhancing productivity and customer service through seamless connectivity.
Business Continuity Planning
Business Continuity Planning ensures operations persist during disruptions. We design automated backup systems and recovery protocols to minimize downtime. Our solutions cover data protection, compliance, and rapid restoration, safeguarding client revenue and reputation against unforeseen events.
Questions
What IT services do you offer?
We provide managed IT, cybersecurity, cloud solutions, unified communications, and business continuity planning tailored to your business needs.
How do you handle emergency IT issues?
Our 24/7 monitoring and rapid response team ensures critical issues are resolved immediately, minimizing downtime and operational impact.
Can you support remote or hybrid teams?
Yes, our unified communications and cloud solutions enable seamless collaboration for remote and hybrid work environments.
How do you ensure data security?
We deploy advanced cybersecurity measures, including encryption, firewalls, and compliance protocols, to protect against threats and breaches.
What industries do you serve?
We support diverse sectors, including government, healthcare, law firms, manufacturing, and nonprofits with customized IT solutions.