An in-house IT manager cannot be an expert in security, cloud, networking and support while also covering nights and weekends. Co-managed IT keeps your team in the lead and adds Quantum's monitoring platform, security stack, escalation engineers and project capacity.
Sound familiar?
- Your one IT person can never take a real vacation
- Security tooling is too expensive to license for a small team
- Projects stall because daily tickets come first
- You need senior expertise a few hours a month, not a hire
What's included
- Enterprise monitoring and management tools for your team
- Security stack: EDR, email security, backup, vulnerability scanning
- Tier-2/3 escalation and specialist engineers
- After-hours and vacation coverage
- Project resources for migrations and rollouts
- Documentation platform shared with your staff
How an engagement works
Assess
A free, one-hour review of your current environment with a written summary of findings, risks and a fixed price.
Architect
We document everything, fix the highest-risk items first and deploy monitoring and security tooling — usually within two to four weeks.
Operate
Ongoing support with a 15-minute response target, quarterly reviews and a roadmap that keeps technology ahead of the business.

Co-Managed IT across the Inland Empire
Quantum is headquartered in Rancho Cucamonga and provides co-managed it with same-day on-site service in Rancho Cucamonga, Ontario, Riverside, San Bernardino, Fontana, Corona, Upland, Chino Hills & Chino and throughout Riverside and San Bernardino counties. Clients in Los Angeles and Orange County are supported remotely with scheduled visits.
Frequently asked questions
Will you replace our IT staff?
No. Co-managed IT is designed to make your internal team more effective and give them a bench to lean on.
Who owns the tools and documentation?
You do. Documentation lives in a shared platform, and we structure licensing so you are never locked out if the relationship changes.