You have decided to start your own business. The first thing you need to do is choose the most suitable legal structure for your projects. In effect, you have two options for exercising your self-employed activity:

  • sole proprietorship (self-employed individual);
  • company (with or without legal personality).

Sole proprietorship or company? Each formula has its advantages and disadvantages, and your choice will have a significant impact on the life of your business. Among the criteria at stake are the following:

  • the type of activity envisaged;
  • the number of people who will participate;
  • the available capital;
  • the financial contribution of the partners;
  • the most appropriate tax regime;
  • the foreseeable development of the activity, etc.

Choosing either of these two options requires in-depth reflection, and it must be adapted to your business project. Don't hesitate to ask for advice from a notary, lawyer, business consultant, accountant or tax expert.

The Main Characteristics of a Sole Proprietorship and a Company

Incorporation and operation

Sole Proprietorship

A sole proprietorship is the simplest way to perform a self-employed activity:

  • it does not require the drafting of articles of association, nor a minimum starting capital;
  • the costs of incorporation and operation are low;
  • you can start your business quickly;
  • you are the only one in charge and you can make the decisions necessary for the exercise of your activity without having to consult other partners;
  • the accounting to be kept is, as a general rule, simplified.


The incorporation of a company requires the following, depending on the case:

  • the intervention of a notary;
  • minimum capital;
  • a financial plan;
  • the drafting of articles of association;
  • an auditor's report (e.g. in the case of a contribution in kind).

In addition, there are also costs associated with the termination and liquidation of a company.

A company may have a separate legal personality which confers on it its own rights as well as obligations.

The operation of a company differs significantly from that of a sole proprietorship:

  • the volume of administrative work, formalities and legal obligations is bigger;
  • there are more accounting obligations (in general, keeping full accounts, filing annual accounts with the National Bank, etc.);
  • the bodies of the company (the board of directors, general meeting, etc.) must be taken into account, without which no important decisions can be taken.

The responsibility of the entrepreneur

Sole Proprietorship

In a sole proprietorship, there is no separation between the assets allocated to the professional activity and the private assets of the entrepreneur.

The entrepreneur is therefore, with all their assets, responsible for the commitments of their company. This is not without risk, for example in the event of bankruptcy of a major client. Their debts can be recovered from all of the entrepreneur's assets, whether movable or immovable, present or future.

The assets of the spouse may also be used to pay the company's debts, unless a matrimonial agreement provides otherwise.

Protection of the main residence of the self-employed person

The risk hanging over the home of the self-employed person has been somewhat reduced by a measure that allows them to protect their home by having it declared exempt from seizure in certain circumstances. The protection only applies to the self-employed person's main residence, i.e. the place where they live for most of the year.

The protection is not automatic, the self-employed person must make a declaration of unseizability before the notary of their choosing.

The protection only relates to debts pertaining to the professional activity after the declaration of unseizability. As such, it will not apply to private debts.

The self-employed person can, of course, waive the protection by making a new declaration. This also ends if the self-employed person changes status or dies.

For all information on this legal provision, contact a notary. You can consult the directory of notaries on the website of the Royal Federation of Belgian Notaries.


In a company, there is a separation between the assets of the business and the assets of the entrepreneur. Part of the assets can therefore be exempted from the entrepreneurial risk.

Limited liability

In limited liability companies (SA, SRL, SC), the shareholder is only liable for the debts of the company up to the amount of their contribution. This implies that the creditors of the company cannot make a claim on the personal assets of the entrepreneur. The personal assets of the entrepreneur and the shareholders are therefore protected.

In certain cases, however, liability may be invoked. This is the case in particular if the company is declared bankrupt within three years of incorporation and if the initial capital or the capital contribution was clearly insufficient to ensure the normal functioning of the company for two years.

Unlimited Liability

In unlimited liability companies (SNC, SComm), the partners (with the exception of the limited partners) put their own assets as collateral for the possible debts of the company. If the company is unable to honour its debts, its creditors may pursue the payment of their claim on the private assets of the partners.

The Tax System

The profits of a sole proprietorship are subject to personal income tax. This tax is progressive, so large profits are taxed more heavily.

A company is subject to the corporate tax system, which is lower and less progressive. If the company has large profits, it is advantageous tax-wise to be taxed under this system.

Call for Funds

A company requires financial resources. However, an individual's possibilities are usually limited in this respect. A company offers precisely the legal possibility of attracting partners who wish to invest venture capital in the company. These lenders therefore participate in the company's future profits and losses.

Cooperation with One or More Partners

The company formula makes it possible to attract partners who, in addition to their capital contribution, can also be actively involved in the company. Company law makes it possible to legally define cooperation with one or more partners. The articles of association stipulate the agreements entered into with regard to management, development, etc.

Continuity of the Company

The continuity (or survival) of the company is an important factor, especially in family businesses. Problems can arise when the founder wants to sell their business or if they die.

In a sole proprietorship, ownership and management of the business are one and the same. If the entrepreneur dies, inheritance law provides that the fund can be divided among multiple heirs. This situation can create a great deal of uncertainty for an heir who was already involved in the management of the business before the death of the entrepreneur-owner.

In a company, ownership and management can be separated. The founder and their company are legally separate persons. As such, the existence of the company is not jeopardised if the founder dies. The shares that represent the company's assets simply change ownership.

More information?

Federal Public Service Justice
Economic Rights Service
Boulevard de Waterloo 115
1000 Brussels
Tel.: +32 2 542 65 11
Website: Federal Public Service Justice

Royal Federation of Belgian Notaries
Rue de la Montagne 30 - 34
1000 Brussels
Tel.: +32 2 505 08 50
Website: FRNB

Last update
27 October 2022