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How to use instalment invoices in Accountable: Step-by-step guide

Written by: Valesca Wilms

Updated on: August 24, 2026

Reading time: 3 minutes

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What are instalment invoices in Accountable?

Instalment invoices allow you to divide a single invoice into multiple smaller invoices, making it easier for clients to pay for longer projects in parts while keeping your accounting organised.

  • You can split one invoice into multiple payments, allowing your clients to pay you partially for a larger project.

  • You can customise each instalment amount and add items to partial invoices

  • Accountable tracks all instalments and remaining balances in your revenue screen

  • Ideal for freelancers, contractors, and small businesses who want flexible billing and accurate accounting for longer projects

Why create instalment invocies? What are the benefits?

  1. Offer clients flexible payment plans: Allow your clients to split larger invoices into smaller, manageable payments, making it easier for them to commit to bigger projects.

  2. Track partial payments easily: Keep a clear overview of which payments have been received and which are still outstanding, so you never lose track of money owed.

  3. Keep your accounting organised: By managing invoices and instalments directly in your system, you reduce confusion and ensure your financial records are accurate and up to date.

  4. Avoid errors with negative item prices: The feature automatically handles discounts or partial refunds, preventing mistakes that can occur when manually adjusting invoice line items.

Step-by-Step Guide to creating instalment invoices in Accountable

Here's how it works in Accountable:

1. Create a new invoice

  1. Log in to your Accountable account and navigate to the revenue screen

  2. Click on "Create an invoice" and start adding your details as usual

  3. Add your items or services (e.g., “Garden, Floor 1 – Service Sale – €3,000”)

2. Enable instalment payment

  1. Select "Instalment" with the toggle on the right

  2. Choose the amount for the first instalment (e.g., 30% or €2,000)

  3. The system automatically generates the first partial invoice and calculates the remaining balance

3. Add additional Instalments

  1. After saving and easily sending the first invoice to your client, you can create the next one when needed. Click on the first invoice and then select the icon "Create next invoice for this project"

  2. Enter the next instalment amount (e.g., €500)

  3. Add additional items if needed

  4. Repeat until the full invoice amount is invoiced

4. Review and finalise

  • The system displays all partial invoices, including amounts already invoiced and remaining balances

  • Once complete, you can send the final invoice to your client directly from Accountable. Done. Your project is complete.

Frequently Asked Questions (FAQ)

Q1: Can I customise the instalment amount?

Yes, you can choose the exact amount for each partial invoice.

Q2: Can I add new items to an instalment invoice?

Yes, you can add additional items or services to each partial invoice.

Q3: Are instalment invoices legally compliant?

Yes, every invoice created with Accountable automatically meets all legal requirements, including all mandatory invoice information. You can be confident that your instalment invoices are fully compliant with applicable regulations.

Q4: Can I track all instalments in one place?

Yes, Accountable shows your invoices in the overview right in your revenue screen. Here, you see the status of each invoice and can navigate the next steps easily.


Want to learn more? Join our upcoming webinar 'Master your invoicing with Accountable', hosted live by one of our tax coaches to answer your questions!

And for any questions you may have, we're here to help in the chat or by email at support@accountable.eu 😊

Valesca Wilms

Author - Valesca Wilms

As content marketing lead at Accountable Belgium, Valesca writes about freelancing, self-employment, and taxes based on her own experience as a freelancer.

Who is Valesca ?

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