Free invoice generator for service businesses

How to make an invoice in five steps

The generator above follows the same order a client reads an invoice, top to bottom. Work through it once and you have a document you can print, attach to an email or hand over at the door.

• Add your business details: your business name, phone, email and address, so the client knows exactly who is billing them and how to reach you.
• Add the client: the name of the person or company paying, and the address where the work was done.
• Upload your logo if you have one. It is kept in this browser and prints on the document, and the same logo is there on every generator page.
• Set the invoice number, pick your currency, and set the issue date and the due date. The due date is what turns a bill into a clear request with a deadline.
• List the work line by line: a short description, the quantity, the unit price, the line type and whether the line is taxable. The type prints as its own column, so the document separates work from materials. Split labor, materials, shipping and anything else into separate lines, and use the Discount type for money you are taking off so the client can see what they are paying for.
• Add tax if it applies, check the total, add a short note with your payment terms, then print or save as a PDF.

What every service invoice needs

A service invoice has one job: get you paid without a follow-up phone call. Clients delay payment when something is missing or unclear, so the goal is to answer every question before they ask it.

If you work in a specific trade, the details change a little. A lawn crew bills per visit, a cleaner often bills a flat rate per clean, a handyman mixes hourly labor with parts. We have trade versions of this generator for landscaping, cleaning, handyman, pressure washing and pool service with sample lines that match how those jobs are usually billed.

• Your business name and contact details, and your license number if your state or trade requires it on paperwork.
• The client's name and the address where the work was done.
• A unique invoice number and the date you issued it.
• The date the work was performed, which you can put in a line description or in the notes, especially for recurring or multi-day jobs.
• Itemized lines with quantities and prices, not a single lump sum.
• Tax shown on its own line, applied only to the items that are taxable where you work.
• The total due, the due date and the ways the client can pay you.

Invoice numbers, due dates and payment terms

Invoice numbers only need to be unique and in order. A simple sequence like 1001, 1002, 1003 works for most small businesses. Some owners add the year, such as 2026-014, so older paperwork is easy to find. Pick one format and never reuse a number, even if an invoice is canceled. Your records and your accountant will thank you at tax time.

Due dates tell the client when you expect the money. Common terms are due on receipt, net 7, net 15 and net 30, where the number is the days after the invoice date. Homeowners are used to paying quickly, so due on receipt or net 7 is normal for residential work. Commercial clients and property managers often run their payables on net 30, and asking for faster payment may not change their process.

Write your terms in plain words in the notes field: when payment is due, which payment methods you accept, and what happens if it is late. If you charge a late fee, state it before the work starts, on the estimate or agreement, and check your state's rules on late fees and interest before adding one.

Invoice vs estimate: which one to send

An estimate comes before the work. It tells the client what you expect the job to cost, so they can say yes. An invoice comes after the work, or at an agreed milestone, and asks for payment of an amount that is now owed.

Use the Invoice and Estimate switch at the top of the tool to change the document type. The lines stay the same, so you can quote a job, win it, then switch the same document to an invoice once the work is done. On an estimate the second date becomes a valid-until date, which protects you if material prices move or your schedule fills up.

If the final job differs from the estimate, update the lines before you send the invoice. Add the extra work as its own line with a clear description so the change is obvious, and mention that the client approved it on site.

Common invoicing mistakes that slow down payment

Most late payments are not about money. They come from invoices that are vague, late or hard to act on. These are the mistakes worth avoiding.

• Waiting to invoice. The longer the gap between the job and the bill, the less urgent it feels to the client. Send it the same day if you can.
• One line that says "Services rendered". Itemize, even briefly. A client who can see labor and parts separately is less likely to question the total.
• Missing payment instructions. If the client has to text you to ask how to pay, you have added a step and a delay.
• Charging tax on everything, or on nothing. Sales tax on services varies a lot by state and by type of work, so confirm the rules where you operate and mark each line taxable or not.
• No record of what was sent. Keep a copy of every invoice and note when it was paid so you can follow up on the ones that were not.
• Surprise charges. Anything that was not on the estimate should be discussed before you do it, not discovered on the invoice.

Keep your paperwork after you print

This generator is built for one-off documents: fill it in, print it, done. Your draft stays in this browser and is never sent anywhere, so it will not follow you to your phone or to another computer. Save the PDF if you need a copy you can keep.

When you want to keep your paperwork in one place, ToolBerry is a free field-service app for iPhone, Android and the web. You can create and send invoices and estimates from your phone, keep track of your jobs and clients, and record payments as they come in so you always know who still owes you. It works offline too, so you can write up an invoice at the job site even without signal.