How to Obtain a CBE and VAT Number as a Construction Starter

Overview of the required registrations

Before starting as a self-employed construction professional in Belgium, register the activity in the Crossroads Bank for Enterprises (CBE, known as KBO/BCE locally) and check whether VAT registration applies. Extra duties depend on legal form, activities, staff and projects, so use this as an orientation rather than a complete legal checklist.

1. Register the enterprise with the KBO

For a sole proprietorship, an accredited business counter handles the CBE registration. A company with legal personality normally completes incorporation steps first. The official starter procedure from FPS Economy explains the routes.

• You will receive a ten‑digit enterprise number that starts with 0 or 1 (for example 0797.368.704).
• Register the activities and establishment units that match the work you will actually perform. Ask the business counter to apply the current NACE-BEL classification rather than copying codes from an old article.

2. Activate the VAT number

After the KBO registration, request VAT activation through the Federal Public Service Finance (FPS Finance). This can be done via the same business desk or directly at the VAT office.

• Your VAT number is the enterprise number prefixed with “BE” (for example BE0797.368.704).
• Activation means you must charge VAT on your invoices and file periodic VAT returns.
• Verify your specific VAT obligations on the Belgian finance portal.

3. Join a social‑insurance fund

Self‑employed persons must enrol in a social‑insurance fund before starting activity. Contributions are paid quarterly and are initially based on an estimated income, later adjusted to actual earnings.

4. Check construction-sector obligations

There is no single generic “contractor registration” that replaces all project checks. Depending on the activity and project, obligations can involve staff registration, working partners or helpers, safety coordination, professional competence, public procurement recognition or tax and social-security checks. Ask the business counter and accountant which ones apply.

5. Consider formal recognitions (optional)

Public procurement may require formal recognition depending on the contract. Verify the tender and current government guidance before presenting a class or category; do not treat recognition as a general private-market quality label.

6. Arrange mandatory and recommended insurance

Insurance duties vary by role and work. Review professional liability, ten-year liability where relevant, occupational-accident cover when employing staff, vehicle and site risks with a qualified broker before accepting work.

7. Ongoing administrative duties

After issuing your first invoice, you will need to:

• Submit periodic VAT returns.
• File annual corporate‑tax returns.
• Pay social contributions each quarter.
• Ensure invoices comply with Belgian requirements (sequential numbering, VAT details, required statements).

Working with an accountant familiar with the construction sector and using invoicing software that incorporates Belgian rules can simplify these tasks.

8. Useful resources and next steps

• Structured B2B e‑invoicing has been mandatory since 1 January 2026 – see the official portal for details.
• Verify registration steps with an accredited business counter and VAT treatment with FPS Finance or an accountant.

Following this checklist will help you set up a compliant business foundation and focus on building rather than paperwork.