General contractor invoicing software

Invoicing software built for general contractors

Materials from three suppliers, two subs to pay, and a client waiting on the next draw. ServiceInvoice turns the work you log into clean, branded invoices, fixed price or staged, so the billing keeps up with the project and the cash keeps flowing.

No credit card required to start.

Why contractors use ServiceInvoice

Built for sole contractors and small crews who juggle materials, labour, and subs, not for the back office.

Materials, labour, and subs itemised

Materials, your labour, and any subcontracted work each get their own line, so the client sees a clear breakdown and your margin stays protected across the whole project.

Fixed price or progress draws

Send a single fixed-price invoice for a job, or bill in stages as the project progresses. The invoice adapts to how you structured the contract.

Tax handled, payment tracked

Tax is applied automatically where it applies, invoice numbers run in sequence, and your dashboard shows which projects are still owed so nothing slips.

Bill every kind of project

A small remodel, a full build, or a staged contract with progress draws. The invoice adapts to how you structured the job.

  • Fixed-price invoices for defined projects
  • Progress draws billed in stages as the work completes
  • Materials, labour, and subcontractors on separate line items
  • Repeat work for developers and property clients, invoiced fast

Invoicing is just one part of it. ServiceInvoice also keeps your clients and job history in one place. See the full business software, or see how it works for carpenters and joiners.

What to put on a contractor invoice

A clear contractor invoice does more than ask for payment. It shows the client exactly where the money went and protects you if a project is ever queried. These are the lines that belong on every invoice you send.

Project reference and stage
Name the project and, for staged billing, the draw or milestone being invoiced, so the client can match it to the contract and approve it without back-and-forth.
Materials
List materials with quantities and prices, including any markup, on their own lines so the supply total is easy to follow and separate from your time.
Labour
Show your hours and rate, or the labour portion of a fixed price, as a separate line rather than rolling it into materials.
Subcontractors
Itemise any subcontracted trades (electrical, plumbing, plastering) so the client sees the full cost of the work you coordinated on their behalf.
Tax and payment terms
Show tax where it applies as its own line, and add a due date with how to pay. On larger projects, clear staged terms are what keep cash flowing while the job runs.

ServiceInvoice builds each of these lines from the job you logged, so a complete contractor invoice is ready to send when a stage completes. The same approach works for carpenters and roofing businesses.

From job to paid in four steps

  1. 1

    Add the customer and log the work as you go: materials, labour, and subcontractors as separate line items.

  2. 2

    Mark the job complete and generate an invoice with one click.

  3. 3

    Send the branded PDF to your customer with clear totals and payment terms.

  4. 4

    Track unpaid invoices from your dashboard and follow up before they slip.

Share this page

Frequently asked questions

Can I bill fixed-price projects and progress draws?
Yes. Send a single fixed-price invoice for a job, or bill in stages as the project progresses. Materials, labour, and subcontractor costs itemised clearly on each.
Can I separate materials, labour, and subcontractors?
Each material, your labour, and any subcontracted work get their own line item, so the client sees a clear breakdown and your margin stays protected across the whole project.
Is it free for a solo contractor?
Yes, you can start on the free plan with no card. Pro adds your logo and higher limits when you’re ready, which suits sole contractors and small crews.

Ready to ditch the paperwork?

Set up your business and send your first invoice today.

Start for free