Your single point of contactfor everything IT.
Managed IT, cyber security, and compliance for Maryland businesses and organizations — one team that knows your systems, one number to call, and technology you never have to think about. We come to you.
- Free IT Assessment
- No call centers
- We come to you
Years serving Maryland
Rating on Google & Facebook
Monitoring, every day of the year
Personal support — no call centers
Built for your world
We work with all kinds of Maryland businesses — and we go deep in two.
Police departments and property management firms have IT needs that don’t fit a generic playbook. We’ve invested in real specialization for both, while still being a great fit for everyone else.
What we do
Everything you need under one roof.
From a single office network to a fleet of locations under managed care — we cover it all, locally.
Why OnSite
Enterprise-level IT, without the headache.
From small offices to growing teams, we keep your network, devices, and data running smoothly and securely — with people you can actually call and talk to.
Local hands. Always.
Real technicians you can call, visit, and recognize. Every job done by someone who lives where you do.
Engineered for uptime.
Always-on monitoring, automated patching, and tested backups so your day isn't decided by a downed PC.
Security that moves with you.
Layered defense across endpoints, identity, and email — built to help meet common cyber-insurance requirements.
One number to call.
When something goes wrong, you reach the same people who set things up. No tier-one queue.
How it works
From Health Check to Fully Managed.
Take the Free IT Health Check
Get an instant snapshot of your IT setup in about five minutes.
Free IT Assessment
Ready to go further? OnSite reviews in person your actual environment, risks and priorities, then recommends what makes sense for your business.
Stabilize & secure
OnSite addresses the highest-priority issues first.
Managed & monitored
Ongoing monitoring, support and maintenance.
Ready when you are.
Tell us about your team and what you need from your IT. We’ll respond within 24 business hours with a proposal you can actually read — no jargon, no lock-in pressure.
Talk to a human
- 410-574-2234You reach the people who do the work
- support@onsite-computers.comAnswered within 24 business hours
- Mon–Fri · 8 AM – 5 PMMonitoring runs around the clock
- 1012 Wilson Point Rd, Middle River, MD 21220Locally owned & operated