Reliable IT Support & Cybersecurity for Growing Businesses Across DC, Maryland & Virginia
We serve construction and trades, medical practices, veterinary clinics, law firms, federal contractors, and growing businesses across the DC, Maryland, and Virginia corridor. We provide outsourced IT support, cybersecurity, and helpdesk services that stabilize your environment, harden it against real threats, and keep documentation tight.
Most small practices and businesses outgrow their IT setup long before they realize it. By the time something breaks, the damage is already spreading. Sentry keeps your environment stable, secure, and documented before problems become emergencies.
Built for practices that need IT done right.
Disciplined, security-first IT operations without handing your business off to a faceless help desk.
ABOUT US
Sentry is built for organizations that need disciplined, security-first IT operations without handing their business off to a faceless help desk. We stay close to the environment, support your staff day to day, and keep you ready when the stakes get higher.
Every environment we manage is fully documented: network topology, account structures, vendor relationships, operational procedures. Your IT should never be tribal knowledge.
Services
How can we help you?
Endpoint Detection & Response
Managed EDR with 24/7 threat monitoring and SOC-backed incident response on every device.
Email Security
Advanced email threat protection across all mailboxes. Phishing, malware, and BEC defense included.
Backup Management
Monitored backup with restore validation. Your data is protected and recoverable.
24/7 Monitoring & Patch Management
Continuous monitoring of all devices, servers, and network equipment. OS and third-party patching included.
User Onboarding & Offboarding
New hire setup and secure departures handled for you. Up to 2 per month included in base pricing.
M365 Administration
License management, user provisioning, security configuration, and ongoing administration of your Microsoft 365 environment.
Documentation & vCIO Advisory
Network diagrams, credential management, and strategic IT guidance. Quarterly business reviews included.
Unlimited Remote Helpdesk
No per-ticket fees. No hourly charges for remote support. Call or email as often as you need during business hours.
Client Dashboard
Real-time visibility into your IT environment. Track open requests, review reports, and access documentation through your dedicated client portal.
Construction and Trades
IT support built for crews in the field and staff in the office. We keep job-site devices, email, and project files secure and online, defend against the invoice and wire fraud that target contractors, and answer fast so a tech issue never stalls a job.
Why Us?
Find out where your operations stand.
We will review your current environment, identify the gaps, and tell you exactly what it would take to bring your IT operations up to a disciplined, documented standard. If something is outside our scope, we will say so directly.
Contact Us
Over 20 years of U.S. Army service in intelligence and security operations. MBA from the University of Virginia. Joseph brings operational discipline and documentation rigor from his military career to every client environment Sentry manages.
- Joseph Coppo