Project Invoice Template

Create a professional project invoice with editable invoice templates for project phases, labor, deliverables, materials, expenses, and milestone-based charges.

Download Template Create Invoice Now

Download Template Create Invoice Now

Choose the Best Invoice Template for Your Project Business

Create A Professional

Project Invoice in Minutes

Add your project business and client details, itemize the products or services provided, and generate a professional invoice when you are ready.

Invoice details

Set the document identity, dates and currency.

Logo

Upload file

JPG, JPEG, PNG, less than 5 MB

Invoice number

Currency

USD

Issue date

Due date

Business & client

Add the details your client needs to identify both parties

From

Company Name

Contact name

Address

Email Address

Phone Number

Bill To

Client name

Address

Email Address

Phone Number

Products & services

Itemize what you’re charging for. Totals update automatically.

Totals & payment

Apply adjustments and tell your client how to pay.

Payment instructions

Notes

Sub Total

$0.00

Tax Rate

Discount

Total

$0.00

Amount paid

Balance Due

$0.00

What to include in Project Invoice

A clear project invoice helps prevent disputes and ensures timely payment. Use this checklist to include the essential details.

1
Business Header & Contact
Company name, logo, phone number, email address, and physical business location.
2
Client Contact Information
Client's full name or business entity name, billing address, phone number, and email.
3
Invoice Metadata
Unique invoice number, invoice issue date, and payment due date (e.g., Net 15 / Due upon receipt).
4
Cost Summary & Taxes
Subtotal for services, local sales taxes (if applicable), applied discounts, and final bolded Total Due.
5
Deposit & Balance Tracking
Original estimate total, pre-paid deposit deductions (e.g., 'Less Deposit Received: -$500'), and remaining net balance due.
6
Payment Instructions
Accepted payment methods, including direct online payment links (Credit/ACH), check mailing address, or bank transfer details.
7
Project & Client Reference
Identify the project name, client, contract, purchase order, and billing period associated with the invoice.
8
Milestones & Completed Work
Describe the project milestone, phase, deliverables, or measurable work completed during the billing period.
9
Labor, Materials & Subcontractors
Separately identify project labor, materials, subcontractor work, equipment, or other major project costs.
10
Progress Billing & Previous Payments
Show the current project value, previous invoices or payments, retainage when applicable, credits, and current amount due.

Common Project Services & Billing Items

How Project charges are typically structured and billed.

Common Services

What's Included

Billing Items

Project Planning

Project or phase, Scope completed, Milestone or project phase, and Client or project name

Project FeesMilestone Billing

Design Phase

Project or phase, Scope completed, Crew size, Hours worked, and Project or deliverable name

Project FeesLabor

Development Phase

Milestone or project phase, Scope completed, Crew size, Hours worked, and Service date

Milestone BillingLabor

Implementation

Project or phase, Scope completed, Milestone or project phase, Expense type, Date and vendor, and Service date

Project FeesMilestone BillingReimbursable Expenses

Testing/Review

Milestone or project phase, Scope completed, Expense type, Date and vendor, and Service date

Milestone BillingReimbursable Expenses

Project Completion

Project or phase, Scope completed, Crew size, Hours worked, Expense type, and Date and vendor

Project FeesLaborReimbursable Expenses

Project Management

Project or phase, Scope completed, Milestone or project phase, Crew size, Hours worked, and Service date

Project FeesMilestone BillingLabor

Project Fees: Charges for a defined software or implementation project.

Milestone Billing: Charges tied to completion of defined project milestones.

Labor: Charges for hands-on work, technician time, crew time, or professional service hours.

Reimbursable Expenses: Approved out-of-pocket project costs billed back to the customer.

Project Invoicing Tips

Project costs vary by service scope, pricing method, and additional requirements. A detailed invoice helps customers understand every charge and reduces payment disputes.

Tie Invoices to Milestones

Project billing is easier to verify when each invoice corresponds to a defined stage of work. Best practice: reference the completed milestone or deliverable rather than using an unexplained progress charge.

Separate Project Cost Categories

Projects may combine labor, materials, subcontractors, and equipment. Best practice: itemize significant cost categories so the client can compare actual billing with the project budget.

Track Cumulative Billing

Multiple progress invoices can make the total project cost difficult to follow. Best practice: show current billing, previous billed amounts, payments, and cumulative project value when relevant.

Document Scope Changes

Project requirements can change after work begins. Best practice: identify approved change orders or additional scope separately and reference the corresponding authorization.

Reusable Billing Structure in Invoice Software

Use the items above to quickly create a Project Invoice Template in Invoice Zip.

Create Invoice

FAQs about Project Invoicing

Q: How should a project invoice show progress against a fixed project budget?

A: The invoice can identify the project stage completed, amount billed to date, previous payments, and remaining balance. This helps both parties track financial progress throughout the project.

Q: How should a project invoice handle work that falls outside the original scope?

A: Out-of-scope work should be listed separately from the original project charges. A brief description of the additional deliverable or task helps explain the increase in project cost.

Q: How should a project invoice combine milestone fees and hourly charges?

A: Milestone fees can be listed separately from hourly services performed outside the fixed scope. This keeps different pricing arrangements clear within the same project invoice.

Q: How should a project invoice show a deposit already paid by the client?

A: The invoice can show the total project amount, deposit received, current amount due, and remaining balance. This provides a running record of payments made toward the project.

Q: How should a project invoice handle reimbursable project expenses?

A: Approved expenses such as travel, materials, subcontractor costs, or other project purchases can be listed separately from professional fees. This makes project expenses easier to review and reconcile.