Choosing Accounting Software for Contractors in Belgium

What contractors need from accounting software

Contractors handle more than simple time‑and‑rate invoicing. Common tasks include:

• Multiple VAT rates per project
• Progress billing and change orders
• Material costs linked to specific sites
• Sub‑contractor invoices
• The “reverse charge” rule for B2B construction services

A suitable solution must support these processes without requiring manual workarounds.

Belgian requirements to verify

Test the software against your accountant’s setup and the current official rules. Important checks include:

• Apply the three standard VAT rates per invoice line and allow a default rate per project.
• Support the VAT treatment and invoice wording your accountant has confirmed for the transaction.
• Generate unique invoice numbers through a controlled sequence and preserve the correction trail.
• Include a structured payment reference when you use one for reconciliation.
• Export data in a format that can be imported into common accounting packages.
• Support structured electronic invoices for transactions within the Belgian B2B obligation.

For the latest e‑invoicing requirements, see the Belgian portal on electronic invoicing. For VAT rules, consult the VAT information page and verify your specific situation.

Types of solutions available

How to decide what you really need

1. Identify who handles your bookkeeping. If you already work with an accountant, you may only require a tool that creates compliant invoices, digitises receipts, and exports data in a format your accountant can import.

2. Map your workflow. List the steps from quotation to invoice, including any project‑specific cost tracking, and check whether the software can automate each step.

3. Check compliance features. Verify that the solution can:

   • Apply the correct VAT rates per line
   • Apply the configured tax treatment and wording
   • Produce unique numbers through the chosen sequence
   • Add your structured payment reference when relevant

4. Test data export. Request a sample export file (e.g., CSV, XML) and confirm that your accountant’s software can read it.

5. Consider scalability. Choose a system that can grow with you—adding users, projects, or more complex reporting should not require a complete switch later.

Checklist for evaluating accounting software

• VAT handling: Multiple rates, default per project, reverse‑charge note.
• Invoice numbering: Automatic sequential numbers, no gaps.
• Structured communication: Automatic generation in the required format.
• Export compatibility: Sample files work with your accountant’s tools.
• E‑invoicing support: Peppol/UBL capability for public and private recipients.
• User access: Ability to add or remove users as your business evolves.
• Mobile entry: Option to capture time and receipts on site.

Next steps

1. Compile a short list of solutions that meet the checklist items.
2. Contact vendors for a trial or demo focused on the compliance features listed above.
3. Ask for a sample export file and test it with your accountant’s software.
4. Decide based on how well the tool fits your workflow, compliance needs and future growth.

For further assistance or to discuss your specific requirements, you can reach out via the Enfin contact page.