Service invoice template

The fields a clear service invoice needs, with labor shown by hours and rate.

How to use itUse one invoice per job or billing period. Show labor as hours × rate so the customer can match it to the work order.

Who uses itService business owners and office staff
WhenWhen a job closes or at the end of a billing period
Time neededA few minutes with a completed work order
Keep itIn your accounting records with the work order

Who uses the service invoice template and when

Clear invoices get paid faster. Customers question invoices when they cannot see what they are paying for.

Sales tax rules on services and materials vary by state. Ask your accountant which lines are taxable for you.

13 items. Fill it in on screen or print a copy.

Header

Your business name, address and contact.
Customer name and billing address.
Invoice number and date.
Work order or PO reference.

Lines

Description of work and date performed.
Labor: hours × hourly rate.
Materials: quantity × unit price.
Other charges, such as travel or disposal.

Totals and terms

Example line items

Example line items
Field	What to write
Labor, faucet repair, Nov 6	0.75 h × $90 = $67.50
Cartridge	1 × $24.00 = $24.00
Subtotal	$91.50
Total due	$91.50, due in 15 days

Putting the service invoice template to work

Invoice the same day the job closes.
Match hours to the work order.
Number invoices in sequence.
State clear payment terms.
Follow up on overdue invoices on a fixed schedule.

The service invoice on an ordinary week

An electrician finishes a job on Wednesday afternoon, and the office sends the invoice that evening with 3.5 hours at $95, parts at cost plus markup and a 15-day due date. The customer pays the next week.

Why a service invoice matters

The IRS expects businesses to keep records that support the income they report, and sequential invoice numbers make missing or voided invoices easy to explain. Sales tax on labor versus parts differs by state, so the tax line should follow your state’s rules.

A filled-in service invoice

Invoice number and date	INV-1311, Nov 5
Customer	Ellen, 412 Cherry St
Work order ref	WO 877
Labor	3.5 h x $95 = $332.50
Materials	2 breakers x $18.50 = $37.00
Trip charge	$45.00
Tax and total	8% on materials $2.96; total $417.46, due Nov 20

Brightwire Electric in Tulsa taxes only the breakers in this sample, which reflects one state approach and not a rule everywhere. The due date is written out instead of just ‘Net 15’.

Service invoice mistakes

Lumping labor and materials into one total. Customers question a single number; show lines so they can see what they are paying for.
Reusing an invoice number after a correction. Issue a credit note or a revised version with a clear reference so your records stay clean.
Leaving the due date blank. ‘Upon receipt’ or a specific date tells the customer when payment is expected.

Other versions of the service invoice

Recurring cleaning contractsInvoice monthly with one line per visit date, so the client can match it with their own records.

Trades with depositsShow the deposit received as a separate line and the balance due, so nothing is billed twice.

From the fieldPut a short thank-you line and the name of the technician on the invoice. It connects the bill to the person the customer met.

Service invoice questions, answered

What must an invoice include?

At least who, what, when, how much and how to pay. Some states require more.

Should I show hours?

For labor, yes. It builds trust.

Are services taxable?

It depends on your state.

When should I invoice?

As soon as the job is complete.

What is the difference between an invoice and a receipt?

An invoice asks for payment and shows what is owed and by when. A receipt confirms that payment was received. Many businesses mark the invoice ‘paid’ with the date and method, which then serves as the receipt.

What does Net 30 mean on an invoice?

Net 30 means the full amount is due 30 days after the invoice date. A term like 2/10 Net 30 offers a 2% discount if paid within 10 days, otherwise the full amount in 30. Write the actual due date as well, since customers miss term codes.

Useful next reads

More for the same job

Useful next steps

Less chasing, more doing

Once the service invoice template is in place, the next question is usually about shifts and hours. Book a demo to see how EZTime handles scheduling and time tracking.

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Disclaimer: This template is general information, not legal advice. Employment rules differ by state and city and change over time. Have a qualified employment attorney or HR professional review it before you use it.