OVERHEAD BENCHMARKSFIRE ALARM CONTRACTORS$1M TO $500M+REVENUE BAND DATAGROSS MARGINNET MARGINOVERHEAD RATEOVERHEAD BENCHMARKSFIRE ALARM CONTRACTORS$1M TO $500M+REVENUE BAND DATAGROSS MARGINNET MARGINOVERHEAD RATE
THE CONSTRUCTION CFOSCHEDULE A FREE CALL
Fire Alarm Contractors · Life Safety · Detection Systems — Overhead Rate Benchmarks — By Revenue Band

Fire Alarm Contractor
Overhead Rate.

Fire alarm subcontractors carry overhead driven by NICET certification requirements, AHJ coordination, and the inspection and testing documentation that life safety systems require throughout construction and at commissioning.

Overhead Benchmarks — Fire Alarm Contractors — By Revenue Band

What Normal Looks Like
At Your Revenue Level.

These benchmarks are drawn from SPM's work with commercial fire alarm contractors and industry data. Calculate your actual overhead rate — total G&A expenses divided by total revenue for the trailing 12 months — and compare to your revenue band below.

How to use this data: If you're above the top of the range, specific categories need review. If you're below the bottom, you may be underinvesting in systems and staff. Use the benchmark as a target range, not a single number.

$1M – $5M
Overhead Rate
13–20%
Gross Margin Target
20–27%
Net Margin Target
6–8%
Largest Overhead Driver
Certification and AHJ
NICET certification, AHJ relationship management, and compliance overhead at small scale.
$5M – $10M
Overhead Rate
11–17%
Gross Margin Target
22–28%
Net Margin Target
7–9%
Largest Overhead Driver
Engineering and submittals
Fire alarm system engineering, submittal preparation, and drawing coordination overhead.
$10M – $25M
Overhead Rate
10–15%
Gross Margin Target
23–29%
Net Margin Target
7–9%
Largest Overhead Driver
Inspection and testing
System inspection, testing documentation, and commissioning coordination staff.
$25M – $50M
Overhead Rate
9–13%
Gross Margin Target
24–30%
Net Margin Target
8–10%
Largest Overhead Driver
Safety and compliance
Formal life safety compliance programs and multi-jurisdiction AHJ management.
$50M – $100M
Overhead Rate
8–12%
Gross Margin Target
25–31%
Net Margin Target
9–11%
Largest Overhead Driver
Corporate overhead
Multi-region fire alarm operations with engineering and service divisions.
$100M – $500M
Overhead Rate
7–10%
Gross Margin Target
26–32%
Net Margin Target
10–12%
Largest Overhead Driver
Corporate and compliance
Large life safety programs with formal compliance management systems.
$500M+
Overhead Rate
6–9%
Gross Margin Target
27–33%
Net Margin Target
11–13%
Largest Overhead Driver
Finance and legal
Scale overhead at large fire alarm contractor level.

Trade note for Fire Alarm Contractors: Fire alarm contractors who also provide service and inspection contracts carry higher overhead than pure installation contractors — service operations require 24/7 response capability, larger parts inventory, and dedicated service technician overhead. The benchmarks above apply to installation-focused operations. Add 3–5% for combined installation and service operations.

Why Overhead Rate Gets Off Track

Three Reasons Your
Overhead Is Drifting.

01

NICET Certification Overhead Is Underestimated

NICET certification maintenance, continuing education, and the cost of keeping certified staff qualified and current represents real overhead that must be priced into both installation and service work.

02

AHJ Coordination Cost Gets Buried

Time spent coordinating with Authorities Having Jurisdiction — pre-submittal meetings, plan review follow-up, inspection scheduling — is often coded to overhead rather than to the specific projects requiring AHJ coordination.

03

Commissioning and Testing Documentation Overhead

System commissioning documentation, NFPA 72 testing records, and occupancy permit support documentation are direct job costs for the specific fire alarm installations being commissioned — not general overhead.

How SPM Manages It

Overhead Rate as a
Managed Number.

Certification Cost Tracking

SPM tracks NICET certification costs, continuing education, and life safety compliance overhead as a dedicated category in ControlQore — supporting accurate bid pricing and revealing the true cost of maintaining certified staff.

AHJ Coordination Cost to Jobs

Project-specific AHJ coordination time, pre-submittal meetings, and inspection coordination are coded to those jobs in ControlQore rather than to overhead. Jobs with difficult AHJ jurisdictions reflect their true coordination cost.

Service vs. Installation Overhead Separation

For fire alarm contractors with both installation and service operations, SPM builds separate overhead rate tracking for each division — revealing whether service overhead is being subsidized by installation work or vice versa.

Service Tiers

Two Ways to
Work With SPM.

Core Financial
From $1,900/mo
  • ControlQore setup and management
  • Job costing aligned to your estimates
  • Bookkeeping and bank reconciliations
  • AR and AP management
  • Monthly overhead rate tracking
  • 1 monthly CFO meeting
  • 60-day onboarding
Executive Financial
From $2,900/mo
  • Everything in Core Financial
  • Monthly WIP schedule
  • 13-week cash flow forecast
  • CEO Report and financial dashboard
  • 3 monthly CFO advisory meetings
  • Overhead rate vs. benchmark monthly
  • Direct access to Josh
Common Questions

Straight Answers.

How do I calculate my overhead rate?
Add up every expense that isn't a direct job cost for the trailing 12 months — office staff, rent, insurance, equipment payments not allocated to jobs, vehicles, software, marketing. Divide by total revenue for the same period. That percentage is your overhead rate. Compare it to the benchmark for your revenue band above.
Does SPM serve fire alarm contractors at all revenue levels?
SPM's direct engagement covers $1M–$12M in revenue. The benchmark data on this page covers the full revenue spectrum for reference. For contractors above $12M, SPM can make the right introduction to firms that specialize at larger scale.

IS YOUR OVERHEAD
IN RANGE?

Find out in a free 30-minute call. Josh will tell you straight where your overhead rate stands and what to do about it.

Schedule a Free Call →
THE CONSTRUCTION CFO
HomePricingAll Trades Overhead IndexSchedule a CallJosh@ConstructionCFO.net
© 2026 SULPHUR PRAIRIE MANAGEMENT · SULPHUR ROCK, AR
0