Free Contractor Invoice Generator

Invoices for contractors and tradespeople

General contractors, builders, electricians, plumbers, painters, roofers and landscapers all need the same thing at the end of a job: a clear invoice the client can approve and pay without questions. BillOak gives you a professional contractor invoice template that works in your browser, on a laptop in the office or a phone on site.

There is no account to create and no monthly fee. Fill in the job details, add your labor and materials, and download a PDF you can email or print for the client.

What to include on a contractor invoice

• Your business name, logo, phone number and license number if your trade requires one
• The client's name and the job site address
• An invoice number, the invoice date and the due date
• A reference to the quote, contract or purchase order the work is based on
• Labor, listed by task or by hours, with the rate for each
• Materials and equipment, with quantities and unit prices
• Deposits or progress payments already received, and the balance due
• Payment terms and accepted payment methods

Billing labor and materials separately

Clients trust invoices they can check. List labor and materials on separate lines: for labor, use hours as the quantity and your hourly rate as the rate, or one line per fixed-price task. For materials, add one line per item or group, such as "Copper pipe, 15 mm" with the quantity and unit price.

If you charge a markup on materials, build it into the unit price. Use the shipping field for delivery or skip-hire charges, and the discount field for any agreed reduction.

Deposits, progress billing and retainage

Larger jobs are often paid in stages: a deposit before work starts, progress payments at milestones, and a final invoice on completion. Enter whatever the client has already paid in the "Amount paid" field and BillOak shows the remaining balance due automatically.

If your contract holds back a percentage until the job is signed off (retainage), note the amount and its release date in the terms so the final payment is not forgotten. Start from a quote with the same editor, and switch it to an invoice once the client accepts.