What Should You Included on an Invoice? + FREE Invoice Template

Grab your FREE invoice template for clear, hassle-free invoicing. Discover the essential parts of an invoice and why they matter.
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Whether you’re a beginner in the business world or a seasoned pro, knowing how to put together a clear and professional invoice is a must. It’s not just a fancy-looking receipt, it’s about getting paid on time, keeping a record of your activity, and building client trust.

In this blog, we’re going to dive into the nitty-gritty of invoicing. We’ll break down the essential components of an invoice, and throw in a free invoice template to make your life easier. Whether you’re sending them electronically or old-school on paper, this guide will make sure you create invoices that get you paid.


To create an effective invoice, you need to understand the basic parts. These make sure that everyone is on the same page about the transaction. Let’s go through the basic components of an invoice:

Invoice Header

Your Business Info: Put your business name, address, and number at the top. This tells your clients who’s sending the bill and how to contact you.

Unique Invoice Number and Date: Give each invoice a unique number and add the date you’re sending it. This helps you keep track and know when payments are due.

Your Client’s Details: Clearly state your client’s name and address. Just so there’s no mix-up on who’s getting the invoice.

Free Invoice Template

Invoice Body

Description of Products or Services Provided: Put your business name, address, and number at the top. This tells your clients who’s sending the bill and how to contact you.

Quantity, Unit Price, and Total for Each Item: Break down the charges for each product or service by specifying the quantity, unit price, and total cost. This breaks down the costs for your clients.

Invoice Total

Subtotal: Calculate the subtotal by adding up the total costs before adjustments.

Other adjustments: Depending on your location and the nature of your business, you may need to include other adjustments. Clearly outline the type of adjustment and the amount due.

Payment Terms

Due Date: Specify a clear due date by which the invoice should be paid. This sets expectations for your client and encourages fast payments.

Payment Methods: State the methods by which you accept payment, such as credit cards or bank transfers.

Payment Terms: Establish your payment terms. Such as 30, 60, and 90-day payment periods. Establish any late payment penalties.


While we’ve got the basics covered in the previous section, there are times when you may need to include additional information on your invoices. These might be to enhance its clarity, for legal reasons, or just professionalism. Here are some additional things to consider:

Detailed Billing

You might consider providing a granular breakdown of the charges. This could include listing individual items with their respective costs, including any applied discounts. Clients appreciate transparency in pricing.

Payment Instructions

Clearly explain to your clients how they can make payments. Include details such as your bank account information for bank transfers or a payment portal for other methods.

Terms & Conditions

Depending on your industry and the nature of your business, you might want to include terms & conditions. This section can outline details such as late payment policies or return policies.

Invoice Notes

You may want to include space for any personalised messaging or specific instructions you want to include on your invoice. This is a great way to maintain open communication with your clients.

These additional components can add depth and clarity to your invoices. Ensuring you’re maintaining clarity, building trust, and maintaining professionalism. Remember, the goal is to minimise any potential disputes, and these elements can play a crucial role in achieving that.


Invoicing options have evolved with technology, giving businesses different options that suit their needs and preferences. Whether you prefer electronic or old-school paper invoicing, each has its benefits to consider:

Electronic Invoices


  1. Efficiency: Electronic invoices can be generated and sent with just a few clicks. Saving time and reducing the risk of manual errors.
  2. Speed: They reach clients instantly. Reducing the payment period.
  3. Accessibility: Clients can access electronic from anywhere. As long as they have an internet connection.
  4. Environmental Impact: Going paperless reduces your carbon footprint, contributing to sustainable efforts.
  1. Client Preferences: Make sure that your clients are comfortable with receiving electronic invoices. Some may still prefer traditional methods.
  2. Cybersecurity: Protect sensitive financial information when using online invoicing platforms. Make sure you go with a reputable and trusted provider.

paper invoices


  1. Tangibility: Some clients prefer physical copies for record keeping.
  2. Personal Touch: They could be signed off with a handwritten note or signature. Adding a personal touch.


  1. Time-Consuming: Creating and mailing paper invoices may take more time than using electronic methods.
  2. Environmental Impact: Paper invoices contribute to paper waste, which may not align with your sustainability goals.
  3. Delayed Delivery: Mailed invoices may take longer to reach clients. Slowing down the payment process.

The choice between using electrical and paper invoicing is down to the nature of your business and client preferences. Many prefer to go electronic due to it being easier to manage. However, you could always adopt a hybrid choice. The choice is yours.

Close up image of different invoices


Regardless of whether you go with electronic or paper invoicing, there are certain best practices you should adhere to. These ensure that your invoices are professional, efficient, and effective. You want to maintain a positive relationship with your clients, and these practices can help:

Clarity and Consistency

Professional Formatting: Invest in professional invoice templates or software that ensures a consistent, professional, and polished appearance for all your invoices.

Easy-to-Read Font and Layout: Use fonts that are easy to read and maintain a clear layout. Avoid cluttering your invoices with needly imagery or distracting design elements.

Consistent Branding: Your invoices should maintain your brand’s appearance. Make sure to include your logo, colour schemes, and typography throughout. Consistency builds brand recognition.


Prompt Invoicing: Send invoices promptly after delivering your product or service. The quicker your clients receive the invoice, the quicker they can process the payment.

Clear Due Dates: Set reasonable due dates and communicate these in the invoice. This helps to manage expectations and encourages timely payments.

Automated Reminders: Consider using automated reminders to gently nudge clients as their due dates approach. 


Polite Reminders: If payment is overdue, send polite reminders. Misunderstandings or delays can often be resolved through communication.

Late Payment Policies: Clearly outline late payment penalties in your terms and conditions to encourage timely payments.

Digital Records

Backup and Organisation: Maintain digital records of all invoices for easy access. Proper organisation makes financial management a lot easier.

Data Security: Protect sensitive financial data with strong cybersecurity. Make sure to keep software and systems up to date.

Free invoice template

Download our free invoice template – it comes in Excel format which allows for easy editing & downloading.

About Us

Apollo Business Finance is one of the UK’s fastest-growing independent invoice finance lender. We provide businesses of all shapes and sizes with the cash flow support they need to grow, regardless of credit history or past hurdles.

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