Commercial Low Voltage · Philadelphia, PA
Commercial security and low voltage, engineered for business
UDT SECURITY designs and installs surveillance, alarm, network and communication systems for offices, warehouses, retail, restaurants and multi-family properties across the greater Philadelphia region — installed around your operating hours and supported for years after.
15+ years
Commercial work across Philly
24/7 monitoring
Central station dispatch
50-mile radius
From Philadelphia, PA
After-hours installs
Work around your operating schedule
Security & Video Solutions
Six low voltage disciplines, one accountable commercial installer
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Network Install & Maintenance
Structured cabling, switching, Wi-Fi design and ongoing network support.
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Security Cameras & Video Surveillance
4K IP camera systems, license plate capture and remote viewing for homes and businesses.
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Security Alarm & 24/7 Monitoring
Burglar alarm systems monitored around the clock with police dispatch when it matters.
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Access Control Systems
Keycard, fob and mobile credential systems with full audit trails.
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Commercial Audio & Video
Ceiling speaker systems, paging, displays and conference room AV.
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VoIP Phone Systems
Cloud phone systems with auto attendants, extensions and mobile apps.
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Your trusted commercial low voltage partner
The majority of our work is commercial. For more than 15 years we have built and serviced systems for business owners, facility managers and property managers across greater Philadelphia. Every job starts with a site walk-through and ends with training your staff on the system they now own.
About our team- Multi-site CCTV coverage
- Designed for real business coverage — entrances, POS, docks and yards.
- Business-grade networks
- Enterprise Wi-Fi and switching installed with minimal downtime.
- Commercial audio & paging
- Clear, zoned sound for restaurants, retail and warehouses.
- Service agreements
- Preventive maintenance contracts and fast local response for businesses.
Where we work
Philadelphia and everything within 50 miles
We serve commercial properties throughout Philadelphia County, the Main Line, Montgomery, Bucks, Delaware and Chester Counties, South Jersey and northern Delaware.
- Philadelphia
- Elkins Park
- Jenkintown & Abington
- Bala Cynwyd & Main Line
- King of Prussia
- Bucks County
- Delaware County
- Chester County
- Cherry Hill & South Jersey
- Trenton & Mercer County
- Wilmington, DE
- Allentown & Lehigh Valley
Protect your business
Tell us about your facility and we will design a system around how your business actually runs — no pressure, no cookie-cutter packages.