Taxation of SASU: how are profits and dividends taxed?

The SASU (Société par Actions Simplifiée Unipersonnelle) is a particularly attractive legal form for sole traders wishing to embark on a solo entrepreneurial adventure. It offers numerous administrative and tax advantages.
Taxation
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Updated October 13, 2023
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Managing the taxation of this type of company can sometimes be complicated. Are you thinking of setting up your company under the legal status of a SASU, but would first like to know more about its taxation? Here, SeDomicilier explains how profits and dividends are taxed in the SASU, which can even help you in the creation of your company.

SASU: what do you need to know about taxing profits?

A société par actions simplifiées unipersonnelle (SASU) is considered a legal entity in its own right. For this reason, it is subject tocorporate income tax (IS). Profits are taxed in the company's name. The tax rate used to be progressive, but since 2023 it has been set at 25% for all companies, irrespective of their level of sales.

SMEs can also benefit from a reduced rate applicable to profits of up to 42,500 euros. Certain conditions must be met. Sales excluding VAT must be less than 10,000,000 euros. The share capital of the SASU must also be 75% owned by individuals.

You must declare the profits of your société par actions simplifiées unipersonnelle (SASU) to the tax authorities each year. The deadline for filing depends on the year in which you closed your financial year. In any case, the deadline is generally the second quarter of the year following the financial year.

You also have the option of choosing a simplified tax regime for your SASU. This allows you to deduct certain expenses, such as travel costs, depreciation, social security charges, etc. The simplified tax regime also allows you to reduce the tax base of the SASU and pay less corporation tax.

How dividends are taxed in a société par actions simplifiées unipersonnelle (SASU)

Unlike profits, SASU dividends are not subject to corporate income tax, since they correspond to a distribution of income already taxed at this level. Instead, they are subject to income tax (IR).

In reality, the taxation of dividends in a SASU depends on thetax option chosen by the company's sole shareholder or chairman. In particular, he or she can choose between the prélèvement forfaitaire unique (PFU - single flat-rate withholding tax) and the progressive tax scale.

Single-rate withholding tax (PFU)

Dividends received by SASU have been subject to a single flat-rate withholding tax (PFU) since 2018. The PFU rate is 30%, and includes:

  • 12.8% for income tax,
  • 17.2 for social security contributions.

The 30% single-rate withholding tax is paid at source by the SASU (société par actions simplifiées unipersonnelle) on each shareholder's share of dividends. As a result, shareholders no longer have to pay any additional tax on dividends received when declaring their annual income.

The progressive scale

The sole shareholder (individual) of a société par actions simplifiée unipersonnelle (simplified one-person company) may opt to havedividends taxed at the progressive income tax rate. If you choose this option, the dividends you receive will be added to the other income of your tax household.

They will then be subject to the progressive income tax scale, with a 40% allowance. The amount of tax payable on dividends will then depend on the marginal tax bracket of the sole shareholder of the SASU. If it exceeds the 12.8% advance, you pay the difference when you file your annual tax return. If the tax on dividends is lower than the advance payment, you can request a refund of the difference.

The 2023 tax rate scale applied to 2022 income is :
- 0% for amounts under 10,777 euros,
- 11% for amounts between 10,778 and 27,478 euros,
- 30% for amounts between 27,479 and 78,570 euros
- 41% for income between €78,571 and €168,994,
- 45% for income in excess of 168,994 euros.

The tax option chosen(PFU or progressive scale) is valid for the whole year, and cannot be changed during the year. It must be exercised when filing your tax return.

Written by our editorial expert
June 6, 2023

Strategies for optimizing SASU taxation

In addition to setting up a company, the tax aspects of a SASU (société par actions simplifiées unipersonnelle) are not always easy to manage, as they vary according to a number of factors. While you can call on SeDomicilier to help you set up your company, there are also interesting strategies for optimizing your tax situation.

  • Compensation management

    1. Compensation management

    Remuneration management is an effective strategy for optimizing the taxation of your SASU and taking advantage of the many benefits offered by this legal status. This involves modulating the remuneration of the company's sole shareholder between salary and dividends. The tax and financial situation of the SASU must be taken into account, as well as current tax regulations. You can, for example, call on the services of a chartered accountant to help you optimize the management of remuneration.

  • Using tax credits

    2. Using tax credits

    Tax credits can be used to reduce the amount of tax payable, in return for an activity carried out by the SASU. Examples include environmental investments, research and development, etc. Using tax credits is an excellent way to optimize your SASU's tax situation. However, you need to be aware of all the rules applicable to each type of tax credit, as well as the conditions to be met in order to benefit from them. Young Innovative Company (JEI) status may also enable you to reduce your company's tax liability.

  • Accounting optimization

    3. Accounting optimization

    To optimize your company's tax situation, you need to keep your accounts rigorously, using the right tools. This will enable you to better manage financial flows and minimize errors. Good management of your company's accounts reduces the risk of tax adjustments. You'll also have better visibility of your SASU's financial situation.

  • Managing business expenses

    4. Managing business expenses

    Managing business expenses is also an interesting strategy for optimizing the taxation of your SASU. You can deduct them from the company's profits to reduce the tax base. We therefore recommend that you set up a policy for managing business expenses within the SASU to avoid abuse and errors.

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Frequently asked questions

How to determine the tax rate for dividends received abroad by a SASU?
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The tax rate applicable to dividends received abroad by a SASU depends not only on the country in which they are paid, but also on any tax treaty between that country and France. In general, the rate is 30%, although it may be reduced depending on bilateral tax agreements between the two countries.
How is a SASU taxed on retained earnings?
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SASU profits are subject to corporate income tax when they are not distributed in the form of dividends. They must therefore be included in the company's tax return and in its tax base.
What are the tax rules for selling shares in a SASU?
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Sales of shares in a société par actions simplifiées unipersonnelle (SASU) are subject to capital gains tax. The amount of tax payable depends on the length of time the shares have been held, and the tax regime chosen by the sole shareholder.