Security Invoice Template

Free Alarm Installer Invoice Template

Create professional alarm installer invoices in minutes. Track hours, posts, and overtime and get paid on time.

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What is an Alarm Installer invoice?

An alarm installer invoice is a billing document for security guard, investigation, or consulting services. It records hours worked, post assignments, equipment charges, and any disbursements. A professional invoice helps security service providers maintain compliant records and collect payment on time.

What to include on an Alarm Installer invoice

Common alarm installer invoice line items

Service Typical Rate Unit
Alarm Installer Services $25 - $75 per hour
Security Officer (Standard) $25 - $50 per hour
Security Officer (Overtime) 1.5x standard per hour
Vehicle Patrol $50 - $100 per hour
Event Security $35 - $75 per hour
Security Consulting $75 - $150 per hour

How to invoice as an alarm installer

Establish a written service agreement that defines post hours, officer rates, and billing cycle before deployment. Maintain daily shift logs as the basis for every invoice. Invoice weekly or bi-weekly for ongoing guard services to keep billing cycles short and cash flow healthy. For event security, invoice with 50% deposit before the event and the balance within 48 hours after. List each officer separately if billing multiple posts, showing hours, rate, and total. Include your security license number on every invoice as required by your licensing authority. Provide a detailed activity report alongside the invoice for commercial clients.

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Frequently asked questions

Do I need a security license to invoice for guard services?
Yes. Security guard and investigation firms are required to hold appropriate state or national licenses in virtually all jurisdictions. Your license number should appear on all client-facing documents including invoices and contracts. Operating without a license is illegal and can invalidate your contracts.
How do I invoice for multiple officers at the same site?
List each officer as a separate line item showing the officer identifier (not necessarily the full name for privacy), shift hours, hourly rate, and total. Group by post or shift for larger deployments. Include a subtotal per site if invoicing multiple locations on the same invoice.
How do I handle overtime on a security invoice?
Specify your overtime rate in the service agreement. Bill regular hours at the standard rate and overtime hours (typically any hours beyond 8 per shift or 40 per week) at 1.5x. List overtime as a separate line item so the client can clearly see the premium.
What billing cycle should I use for ongoing guard contracts?
Weekly or bi-weekly billing is standard for ongoing guard contracts. Monthly billing can create cash flow pressure given high labor costs. Match your billing cycle to your payroll cycle where possible so your income aligns with your labor costs.
How do I invoice for investigation services?
Investigation invoices should include an hourly rate for investigator time, any disbursements (surveillance equipment, mileage, database searches), and a brief description of activities by date. Attach a summary report. Protect client confidentiality in the line item descriptions.
Can I use this template for free?
Yes. Tidybill's free plan includes professional invoice templates and up to 5 invoices per month. No credit card required. Upgrade to Starter for recurring contract invoices and automated reminders.