Calculate Sole Trader Costs

How much does it cost to run a sole trader business in Belgium? Easily calculate your estimated costs, taxes and social security contributions based on your expected turnover and expenses.

Calculate the costs of your sole trader business

Enter your expected turnover and annual costs to get an estimate of your tax, social security contributions and your net take-home pay.

Your earnings

Your total turnover, before deduction of costs.
€
Expenses you incur for your business.
€

Other annual costs

€
€
€

Estimated results

Estimated net annual income
€0
Total operating costs
€0
Monthly average
€0
Turnover €0
Professional fees €0
Social security contributions (estimate) €0
Income tax (estimate) €0

Do you need a professional business address as well?

Would you rather not use your home address as your business address? BE Offices offers professional business addresses and mail handling services for entrepreneurs.

View our business addresses
This calculator provides an indicative estimate only. Actual taxes, social security contributions and costs may vary depending on your personal circumstances and the current Belgian legislation. The calculation does not constitute tax, legal or financial advice.

What are the costs involved in running a sole trader business?

A sole trader business involves various costs. Some costs are fixed, whilst others depend on your turnover and level of activity.

Take, for example:

  • Social security contributions
  • Income tax
  • Bookkeeper or accountant
  • Business bank account
  • Insurance
  • Software and subscriptions
  • Website and marketing
  • Business address
  • Other professional expenses

Your actual costs will depend on your circumstances, occupation and income.

How much does a sole trader business cost per month?

There is no fixed amount that applies to every self-employed person. Your monthly costs depend, amongst other things, on your turnover, business expenses and social security contributions.

Our calculator will provide you with a personalised estimate based on the details you enter.

A professional address for your sole trader business

Would you prefer not to use your home address as your business address? With a professional business address from BE Offices, you can give your business a professional image and have your business post handled professionally.

Frequently Asked Questions

The costs vary considerably from one business owner to another.

As well as general operating costs, you need to take social security contributions and taxes into account.

Use the calculator above to get a personalised estimate.

Common fixed costs include, for example, an accountant, business software, insurance, bank charges and, where applicable, a professional business address.

The calculator gives a approximate estimate on tax and social security contributions. The exact amount depends on your personal circumstances and the current Belgian regulations.

In many cases, this is possible, but you can also opt for a professional business address if you’d rather not use your home address as your business address.

No. The calculator provides an estimate based on the details you enter. For an accurate calculation of your personal tax situation, it is best to consult a bookkeeper or accountant.

Whether you’re just starting out as a sole trader or looking for a flexible workspace, at BE Offices you’ll find a solution that grows with you.

No complex structures or high costs — just what you really need to work professionally.