Choosing the right invoice template can make it easier to present your work professionally, explain charges clearly, and get paid on time. For freelancers, consultants, and contractors, a good invoice should be simple, professional, and flexible enough to match different types of services.
Here are some of the best invoice template options and what to include in each.
1. Simple Invoice Template for Freelancers
A simple invoice template works well for writers, designers, developers, marketers, photographers, virtual assistants, and other independent professionals.
It should include:
Freelancer or business name
Client name and contact details
Invoice number
Invoice date and due date
Description of services
Quantity or hours
Rate
Total amount
Payment instructions
For freelancers who charge by the hour, an hourly invoice format can also show the number of hours worked and the hourly rate.
Best for: Freelancers providing individual services or project-based work.
2. Consultant Invoice Template
Consultants often bill clients for professional advice, strategy, research, or ongoing consulting services. Their invoices should make it clear what the client is being charged for.
A consultant invoice can include:
Invoice Item | Example |
Consulting service | Business strategy consultation |
Hours | 10 |
Hourly rate | $100 |
Subtotal | $1,000 |
Tax | Applicable tax |
Total | $1,100 |
You can also include the project name, consultation period, or a short description of the work completed.
Best for: Business consultants, marketing consultants, financial consultants, IT consultants, and professional advisors.
3. Contractor Invoice Template
Contractors may charge for labor, materials, equipment, or completed project stages. A contractor invoice should therefore provide enough detail for the client to understand each charge.
For example, a construction contractor might list:
Labor charges
Materials
Equipment or service charges
Project milestone
Additional expenses
Applicable taxes
Final amount due
For larger projects, adding payment terms such as deposits, milestone payments, or balances due can make the invoice easier to understand.
Best for: Construction contractors, repair professionals, tradespeople, and project-based contractors.
4. Hourly Invoice Template
An hourly invoice is useful when you charge based on the amount of time spent working for a client.
A professional hourly invoice should show:
Hours worked × Hourly rate = Service charge
For example, if you worked 15 hours at $60 per hour, your service charge would be $900 before applicable taxes or additional expenses.
This format gives clients a transparent breakdown of your bill.
5. Project-Based Invoice Template
If you charge a fixed amount for completing a project, a project-based invoice may be more appropriate than an hourly invoice.
Instead of listing individual working hours, you can describe the project or specific deliverables and show the agreed project fee.
This works particularly well for:
Website development
Graphic design
SEO services
Content writing
Consulting projects
Marketing campaigns
What Should a Freelancer, Consultant or Contractor Invoice Include?
Regardless of the template you choose, a professional invoice should generally contain:
Your business or professional information
Client information
Unique invoice number
Invoice date
Payment due date
Services or products provided
Quantity, hours, or units where applicable
Rate or price
Subtotal
Taxes, if applicable
Total amount due
Payment instructions
Additional notes or payment terms
The exact requirements can vary depending on your location, tax obligations, and type of business.
How to Choose the Best Invoice Template
The best invoice template is the one that matches how you charge clients.
Freelancers: Use a clean service-based or hourly template.
Consultants: Use a professional consulting template with detailed service descriptions.
Contractors: Choose a template that can separate labor, materials, and other costs.
Fixed-price professionals: Use a project-based invoice.
Hourly professionals: Choose an hourly invoice with time and rate breakdowns.
Avoid adding unnecessary information. A clear invoice helps your client quickly understand what they are paying for, how much they owe, and when payment is due.
Create Professional Invoices with Invoice Serve
If you want to create an invoice without complicated accounting software, Invoice Serve provides a lightweight, browser-based invoicing solution designed for freelancers and small businesses.
You can create professional invoices, add line items, calculate applicable taxes, and download your invoice as a PDF. Invoice Serve focuses on speed and simplicity, with no unnecessary setup for users who simply need to create and send an invoice.
Its privacy-first approach also processes and caches invoice details locally, while cloud storage is only involved if you explicitly choose to sign up for a cloud account.
Frequently Asked Questions
What is the best invoice template for freelancers?
A simple, professional service invoice is usually the best option for freelancers. It should clearly show the services provided, rates, total amount, payment terms, and client information.
What should a consultant include on an invoice?
Consultants should include their contact information, client details, invoice number, consulting services provided, billing period or hours, rate, taxes where applicable, total amount, and payment terms.
What is the best invoice format for contractors?
A contractor invoice should clearly separate labor, materials, equipment, and other project-related expenses when applicable. It should also include the project or job reference and payment terms.
Can I create an invoice without accounting software?
Yes. Freelancers and small businesses can use an online invoice generator such as Invoice Serve to create and download professional invoices without using complex accounting software.
Can I download an invoice as a PDF?
Yes. Invoice Serve allows users to create invoices and download them as PDF files, making them easy to share with clients.