Complete projects
Layout, equipment, installation, programming, testing, and maintenance.
Fire · Security · 24/7 Monitoring — Est. 1982
Life-safety systems that pass every inspection.
Designed, installed, tested, and monitored around the clock by one licensed contractor — across metropolitan New York & New Jersey for more than four decades.
- 40+ years
- NYS Licensed
- FDNY Approved
- U.L. Monitoring
24/7 Central Station
U.L. & FDNY approved response
Licensed & Approved
NYS Licensed Contractor
FDNY Approved Testing
NJ DCA Fire Alarm License
U.L. Central Station
NICET Trained Technicians
What we do
Every system a property needs, under one roof.
From the first walkthrough to annual inspection, you deal with one accountable team — never a chain of subcontractors.
01
Fire Alarm Systems
Layout, installation, FDNY inspection support, and annual testing for fully compliant fire alarm systems.
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02
Security Systems
Wired & wireless burglar alarms with cellular backup.
03
24-Hour Monitoring
UL-approved fire, burglar & supervisory response.
04
Access Control
Readers, fobs, schedules & audit trails.
05
Closed Circuit TV
Digital recording & remote viewing.
06
Intercom & Nurse Call
Door entry, paging & nurse-call systems.
07
Supervisory Systems
Freezer, water-tank & flood-level condition monitoring.
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Service & Maintenance
Testing, inspections & service for systems installed by anyone.
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Every installation carries a one-year warranty — and we service systems installed by others.
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Why Sherlock
One contractor, accountable for the whole system.
Most failures happen in the seams between vendors. We own the entire lifecycle — so when an inspector arrives or an alarm sounds, there is one company responsible.
40+Years in business
7System disciplines
24/7Monitored response
NY · NJMetro coverage
Around-the-clock
Fire, supervisory, and burglar monitoring with 24-hour coverage.
Metro coverage
Service throughout metropolitan New York and New Jersey.
Existing systems
Service for new systems and major systems installed by others.
How a job moves
One workflow, walkthrough to sign-off.
A single accountable process keeps timelines tight and inspections clean.
- 01
Layout
Site walkthrough and code-compliant system design.
- 02
Equipment
Specify panels, devices, and parts for the job.
- 03
Installation
Installation and programming by trained technicians.
- 04
Testing
Functional testing and inspection support.
- 05
Maintenance
Annual testing, service, and replacement parts.
Get started
Let's scope your building's life-safety system.
Design, installation, FDNY inspection support, central-station monitoring, and long-term service — from one licensed contractor.
- Reply within one business day
- Free, no-obligation walkthrough
- Service for new and existing systems