France SAS vs. Belgium BV: Which Is Better for Your 2026 EU Strategy?

Last verified: April 2026

This guide is for informational purposes only and does not constitute legal, tax, or financial advice. Always consult a qualified professional for your specific situation.

Key Takeaways

• Flexibility Champion: The French SAS (Société par Actions Simplifiée) offers unparalleled statutory flexibility, allowing shareholders to define management structure, share classes, and governance rules almost entirely within the articles of association. This makes it ideal for startups seeking complex cap tables or venture capital investment.
• Simplicity and Protection: The Belgian BV (Besloten Vennootschap) provides a simpler, more codified structure. Its standout feature is the mandatory, detailed financial plan, which, while adding an initial hurdle, forces founders to prove viability and can offer a degree of protection against early failure.
• Taxation at a Glance: Both countries have a standard corporate income tax (CIT) rate of 25%. Both also offer reduced rates for SMEs: France at 15% on the first €42,500 of profit and Belgium at 20% on the first €100,000, making Belgium slightly more advantageous for smaller profitable enterprises.
• Incorporation Process: Forming a Belgian BV requires a mandatory intervention from a civil-law notary to execute the deed and review the financial plan. In contrast, a French SAS can be incorporated without a notary, using a private deed, which can potentially speed up the process.
• Capital Requirements: Neither entity has a minimum share capital requirement. However, the Belgian BV mandates that the initial equity must be demonstrably "sufficient" for the first two years of operation, a requirement enforced by the notary and backed by founder liability.
• Management Social Status: The President of a French SAS is treated as an employee for social security purposes ("assimilé-salarié"), affording comprehensive benefits at a higher cost. Directors in a Belgian BV are typically self-employed, which involves lower contributions but also less coverage.
• Best Use Cases: The SAS is the preferred vehicle for VC-backed tech startups, companies planning multiple funding rounds, and businesses requiring bespoke governance. The BV is excellent for traditional SMEs, consulting firms, family-owned businesses, and founders who prefer a straightforward, well-defined legal framework.

Introduction: Choosing Your EU Hub

Selecting the right legal entity in the European Union is one of the most critical decisions an entrepreneur can make. Your choice of jurisdiction and corporate structure impacts everything from taxation and liability to your ability to raise capital and expand across the continent. For many international founders, the decision often narrows to two powerhouses at the heart of Europe: France and Belgium.

Both nations offer strategic locations, robust economies, and access to the EU single market. However, their flagship corporate entities—the French SAS and the Belgian BV—present distinct advantages and philosophies. The French SAS is renowned for its supreme flexibility, a blank canvas for founders to design their corporate governance. The Belgian BV, reformed in 2019, emphasizes stability, founder responsibility, and a more structured, protective approach.

At Incorporator.io, we have guided thousands of founders through this exact decision. This comprehensive guide provides a detailed, side-by-side comparison of the SAS and BV as of 2026. We will dissect their legal frameworks, incorporation processes, costs, tax regimes, and ongoing compliance requirements to help you determine which structure is the perfect launchpad for your European ambitions.

Side-by-Side Comparison: SAS vs. BV

To understand the core differences at a glance, this table breaks down the most critical features of each entity.

Detailed Analysis by Category

1. Legal Framework and Corporate Structure

The fundamental difference between the SAS and the BV lies in their approach to corporate governance.

The French SAS is the embodiment of contractual freedom. The law provides a basic skeleton—requiring a president, for instance—but leaves almost everything else to the founders to design within the company's bylaws (statuts). This allows for the creation of multiple classes of shares with different voting or financial rights, complex vesting schedules for employee stock options, and specific rules for board composition and decision-making. This is why it has become the default choice for startups in France that plan to seek venture capital funding, as it can easily accommodate the complex demands of different investment rounds.

The Belgian BV, while modernized, is more prescriptive. The Code of Companies and Associations (CAC) provides a clearer, more rigid framework for how the company must operate. For example, rules regarding the transfer of shares are restrictive by default to protect the 'private' nature of the company, though this can be altered in the articles. While this might seem limiting, it provides clarity and predictability, which can be a significant advantage for businesses that do not require complex governance structures. The focus is on stability and protecting stakeholders through clear, legally defined rules.

2. The Incorporation Process: Notary vs. Financial Plan

The journey to creating an SAS and a BV reveals their core philosophies.

To form a French SAS, the process is primarily administrative. The key steps include: [3]

1. Drafting the Articles of Association: This is the most critical phase, where you define the company's entire operational rulebook.
2. Depositing Share Capital: Funds are deposited into a dedicated company bank account.
3. Publishing a Notice: A notice of incorporation is published in an official legal journal (Journal d'Annonces Légales).
4. Online Registration: The entire file is submitted to the central business formalities portal.

Notably, a notary is not required, which can reduce costs and complexity.

Incorporating a Belgian BV is a more formal process centered around two key elements: the notary and the financial plan. [5]

1. Preparing the Financial Plan: Before anything else, founders must create a detailed financial plan projecting income, expenses, and financing for the first two years. This plan must convince a notary that the initial capital is sufficient for the intended activities.
2. Executing the Notarial Deed: The articles of association are formalized in a deed executed before a Belgian civil-law notary. The notary acts as a gatekeeper, verifying the legality of the articles and the viability of the financial plan.
3. Registration: The notary then registers the deed, and the company is enrolled in the Crossroads Bank for Enterprises (KBO/BCE).

The mandatory financial plan is a unique feature. While it adds a layer of initial work, it forces a rigorous assessment of the business model and can protect founders from the claim of starting a business with foreseeably insufficient funds.

3. Costs and Fees: A Comparative Breakdown

While professional service fees can vary, the official government and related costs show a clear distinction.

Note: These are estimates as of 2026 and exclude VAT and fees for services like a virtual office or accounting setup. Professional fees are highly variable.

The primary cost difference lies in the mandatory notary fees for the Belgian BV. While the French SAS appears cheaper to set up, engaging a lawyer to draft robust articles of association is highly recommended, which adds to the professional fees.

4. Corporate Taxation in 2026

Both countries are broadly aligned on headline tax rates but differ in the details, especially concerning SMEs.

In France, the standard CIT rate is a flat 25%. However, a significant benefit for smaller businesses is the reduced rate of 15% applied to the first €42,500 of taxable profit, provided the company has a turnover below €10 million and is at least 75% owned by individuals. [1]

In Belgium, the standard CIT rate is also 25%. The SME reduced rate is more generous in its scope, applying a 20% rate on the first €100,000 of profit. [2] This makes Belgium potentially more tax-efficient for SMEs with profits in the €42,500 to €100,000 range.

Both nations have implemented the OECD's Pillar Two framework, introducing a minimum effective tax rate of 15% for multinational groups with a consolidated turnover exceeding €750 million. For most startups and SMEs, this will not be an immediate concern but is a crucial factor for large, expanding enterprises.

5. Ongoing Compliance and Administration

Maintaining your company involves annual obligations in both jurisdictions.

A French SAS must hold an annual general meeting to approve the accounts, file an annual corporate tax return, and submit its approved annual accounts to the commercial court registry. The administrative burden is generally considered manageable, especially with the help of an accountant.

A Belgian BV has similar requirements: filing an annual tax return and submitting annual accounts to the National Bank of Belgium. The process is well-defined. A key distinction is the director's social security status. Belgian directors are typically registered as self-employed and must make quarterly social security contributions. This is a personal obligation of the director, separate from the company's finances.

Which Should You Choose? A Decision Framework

Your choice depends entirely on your business model, funding strategy, and tolerance for complexity.

Choose the French SAS if:

• You are a tech startup planning to raise venture capital. The SAS's flexibility is unmatched for creating preferred shares and complex cap tables.
• You need a highly customized governance structure with specific powers delegated to different bodies or individuals.
• You want to implement sophisticated employee stock option plans (BSCPCE), for which the SAS is perfectly designed.
• You prioritize a faster, potentially cheaper initial setup without mandatory notary involvement.

Choose the Belgian BV if:

• You are a traditional SME, consultancy, or family-owned business that values stability and clear rules over complex customization.
• Your business model is straightforward and does not require multiple classes of shares.
• You prefer a structured incorporation process with professional oversight from a notary, even if it costs more upfront.
• You want to take advantage of the more generous SME tax rate on profits up to €100,000.
• You value the discipline of creating a mandatory two-year financial plan as a tool for strategic planning and risk mitigation.

Frequently Asked Questions (FAQ)

1. Can a single non-resident founder create an SAS or a BV? Yes, both the French SAS (as an SASU - Société par Actions Simplifiée Unipersonnelle) and the Belgian BV can be incorporated by a single shareholder, who can be a non-resident individual or a foreign company.

2. Is there a minimum capital requirement? No. The French SAS has a legal minimum of €1. The Belgian BV has no legal minimum, but the concept of "sufficient" initial equity, as justified in the financial plan, is a critical and enforceable requirement. In practice, for both, you need enough capital to fund the first several months of operation.

3. How does the liability of founders differ? The liability is limited to contributions in both cases. However, Belgium has a specific "founder's liability" rule. If the company goes bankrupt within three years and it is proven that the initial capital in the financial plan was manifestly insufficient for the first two years, the founders can be held personally liable for the company's debts. This is a significant protection for creditors and a point of serious responsibility for founders.

4. Which country is better for holding intellectual property (IP)? Both countries have attractive IP regimes. France has a "Patent Box" regime that provides for a reduced CIT rate of 10% on net income from eligible IP. [1] Belgium also has an Innovation Income Deduction. The best choice depends on the specific type of IP and your company's overall tax structure. A specialized tax advisor should be consulted.

5. How are directors/presidents taxed personally? This is a key difference. The President of a French SAS is an "assimilé-salarié," meaning they are treated like an employee for social security purposes. They pay high social contributions but receive comprehensive benefits (health, pension, unemployment). A director of a Belgian BV is typically self-employed, paying lower social contributions but receiving more basic coverage.

6. Can I easily convert from one to the other? No. A company is a legal entity of a specific country. You cannot "convert" a French SAS into a Belgian BV. You would need to liquidate the company in one country and form a new one in the other, or create a cross-border merger, which is a complex and costly legal process.

Sources

[1] PwC, "France - Corporate - Taxes on corporate income," URL: https://taxsummaries.pwc.com/france/corporate/taxes-on-corporate-income [2] PwC, "Belgium - Corporate - Taxes on corporate income," URL: https://taxsummaries.pwc.com/belgium/corporate/taxes-on-corporate-income [3] Stripe, "How to create an SAS in France: A step-by-step guide," URL: https://stripe.com/resources/more/how-to-create-a-sas-joint-stock-company-france [4] Commenda, "How Much Does Incorporation of a Company Cost in France?" URL: https://www.commenda.io/france/incorporation-cost [5] Coventis, "Formation of a Private Limited Company (BV) in Belgium," URL: https://www.coventis.eu/form-belgium-limited-company-bv.html [6] JarniasCyril.com, "Starting a Business in Belgium as an Expat," URL: https://www.jarniascyril.com/expatriation/install-in-belgium-expat-complete-guide/start-business-belgium-expat-complete-guide/ [7] Company Formation Belgium, "Open a Business in Belgium as a Foreigner," URL: https://companyformationbelgium.com/open-a-business-in-belgium-as-a-foreigner/