SASU vs EURL: Which Structure Should You Choose in 2026?

Short answer: there is no universal winner between a SASU and an EURL. A SASU is often the better fit if you want flexible governance, easier access to future investors and a president under the general social security system. An EURL is often the clearer option if you want a leaner setup, a self-employed manager and a more direct approach to remuneration.

This is not just a choice between two acronyms. A SASU is the single-shareholder version of a SAS, which means broad contractual freedom in the articles of association. An EURL is the single-member version of a SARL, with a more structured legal framework that often feels simpler for solo founders.

In 2026, the standard corporate tax rate remains set at 25%. The reduced rate of 15% applies to the first tranche of €42,500 of profit, subject to the classic SME conditions: turnover less than €10 million, fully paid-up capital and majority ownership in compliance with legal rules.

SASU: corporate tax by default#

SASU is subject to the IS from its creation. It can, however, opt for IR for a maximum of 5 financial years if the conditions are met, particularly if the company is less than 5 years old. This option is useful in certain start-ups, when the entrepreneur wants to attribute the result to the personal level during a launch phase.

When the SASU pays dividends to its sole shareholder, the common law regime is the single flat-rate withholding: 12.8% tax and 17.2% social security contributions, i.e. 30% in total, except for the option for the IR scale.

EURL: personal tax first, corporate tax by option#

The EURL is in principle imposed on the IR when the sole partner is a natural person. The profits then appear in the manager's personal declaration, in the BIC or BNC category depending on the activity. The EURL can also opt for the IS, upon creation or during its corporate life, by notification to the SIE before the end of the third month of the financial year concerned.

This possibility is important because it makes the EURL a very adaptable structure: you can stay with IR to keep taxation simple, then switch to IS if the activity grows or if you want to better manage remuneration and results.

In practice, this is often the factor that matters most.

In a SASU, the president is under the general social security system#

The president of SASU is considered an employee. He contributes to the general Social Security system, which gives him protection close to that of an employee in terms of health insurance and retirement, even if he does not benefit from unemployment insurance simply because of his mandate.

This point is very appealing to managers who want clear protection, a more "corporate" image and a structure adapted to future growth. On the other hand, this protection generally has a higher social cost if the president pays himself a significant remuneration.

In an EURL, the managing partner is self-employed#

The sole partner manager of EURL is in principle covered by the Social Security of the self-employed. Its contributions are calculated on the profit when it is on the IR, or on the net remuneration and, under certain conditions, on the dividends received when the EURL is on the IS.

The most well-known point of attention is that of dividends: in EURL subject to IS, the portion which exceeds 10% of the share capital, share premiums and sums paid into the current account is subject to social security contributions. This is a real criterion for comparison with SASU.

In real life, the right choice depends less on a theoretical table than on the way you pay yourself.

Choose SASU if you want flexibility#

SASU is often more comfortable if you think:

• bring in an investor or partner later;
• quickly evolve your governance;
• distribute dividends in a readable framework;
• prepare an organization that is a little more "startup" or structured.

Choose EURL if you want a leaner operating model#

The EURL remains often very relevant if you want:

• manage a solo activity without heavy architecture;
• limit legal sophistication;
• use the IR mode at start-up;
• keep a very readable remuneration logic.

Profile 1: consultant or freelancer planning for growth#

If you plan to pay yourself regular remuneration, secure your social protection and retain the possibility of bringing in a partner later, the SASU is often the most consistent. It adapts well to consulting, intellectual delivery and progressive growth activities.

Profile 2: solo craft, retail or small practice#

If you are looking for a simple structure, a better-known framework and independent social mechanics, the EURL remains very effective. It can be very relevant when the activity is already stable and the main objective is to simply remunerate the operation.

Profile 3: founder expecting rapid expansion#

If you plan to raise funds, open capital or change governance within 12 to 24 months, the SASU is often the most fluid choice. The transformation into an SAS is more natural than rewriting an overly rigid SARL framework.

• believe that the SASU is always more tax advantageous;
• forget that the EURL can opt for the IS;
• think about dividends without looking at social security contributions;
• underestimate the real cost of the manager's social protection;
• choose the status before having defined the remuneration policy.

The correct reasoning is not: "which form pays the least? ". The right reasoning is: "how am I going to get paid, at what rate, with what level of protection, and with what evolution of capital? »

A SASU often becomes very credible when you want a combination of salary + dividends + capital flexibility. An EURL often becomes very credible when you want simple operation, more predictable charges and a more direct framework.

Hayot Expertise advice: you cannot choose between SASU and EURL only with a rate table. We choose with a projection of remuneration, growth and exit. This is where the real economy is.

Beyond the major legal differences, the real question is often that of the cash available at the end of the month. Two structures can show the same accounting profit and produce a very different feeling for the manager depending on the remuneration, social charges and distribution policy.

When SASU becomes more logical#

The SASU is often more comfortable if you want to be remunerated in a mixed way, maintain flexibility in the statuses and prepare for a future opening of capital. It becomes particularly interesting when the project is expected to grow, when you want to be able to add partners more easily or when you are looking for a framework perceived as more "investable".

The president's remuneration is then closer to a salary logic, which can be useful if you want more understandable social protection. In return, society often bears a higher social cost on this remuneration. The choice is therefore not only legal; it is also budgetary.

When the EURL remains simpler#

The EURL maintains an advantage of sobriety. It works well when the project is carried out by a single person, with few external partners and a desire to remain on a more direct regime. For a consultant, a craftsman, a small firm or a service activity starting cautiously, it can remain the best compromise between structural cost and readability.

The interest in the EURL increases further if you manage your remuneration in a relatively stable manner. The framework is more structured, but it is also more reassuring for those who do not need great statutory modularity.

This grid is not a verdict. Above all, it allows you to make the link between the corporate form and the trajectory of your business. This is where arbitrations come in handy.

The bad status is not necessarily the one that costs the most from the first year. It is often the one that forces us to redo the structure too early, to rewrite the statutes, to review the remuneration policy or to transform the company at a time when energy should be devoted to growth.

A classic mistake consists of choosing the most "trendy" form without having defined how the manager will be paid. Another is to look only at the immediate social cost without measuring the flexibility lost later. The right arbitration is broader than the calculation of the current month.

The independent consultant#

He often wants a strong professional image, the possibility of issuing dividends and a structure compatible with a rise in power. SASU is often the best pitch, especially if they plan to hire or partner later.

The solo trader or craftsman#

He often seeks a simple framework, a more readable social charge and a structure which does not multiply unnecessary options. The EURL is then often more coherent, especially if the project must remain focused on exploitation.

The founder who prepares a team#

He often wants to preserve an architecture that will tomorrow accept partners, shares, rounds of financing or a more fluid sharing of capital. In this case, the SASU is not only a form of departure; it is also a platform for evolution.

Before deciding, you must at least simulate:

• the targeted level of remuneration;
• the share of results that you want to leave in society;
• the possible use of dividends;
• the prospect of the arrival of partners;
• the manager's need for social protection;
• the investment trajectory for the next two or three years.

When this simulation is not done, the status is often chosen on a printout. When it is made, the choice usually becomes much clearer.

We can change a structure if the project changes. But a transformation has a legal, accounting and sometimes human cost. It is therefore better to start with the right framework at the start rather than having to correct it too quickly. The initial status should be thought of as a starting point, not as a fixed label.

• Do I need a very flexible shape or a reassuring frame?
• Will I be paid mainly in salary, in dividends or with a mix of the two?
• Do I want to be able to bring in an associate easily?
• Is my priority social protection, simplicity or cost?
• Do I want a structure that can support rapid growth?

If you answer these questions honestly, the choice becomes much smoother.

SASU and EURL are two good vehicles, but not for the same trajectories. The first talks about flexibility, capital and evolution. The second speaks of sobriety, pilotage and simplicity. The right decision is the one that matches your way of working, your level of risk and your development horizon.