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28 Oct 2026 · 6 min read

SRL, SA, SAS or Sole Proprietorship in Uruguay: Which Is Best and How to Choose

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Sociedades Anónimas Team

Choosing the right legal structure is one of the most important decisions when starting a business in Uruguay.

A company’s legal form affects key aspects such as liability, taxes, maintenance costs, management and growth potential.

In this comparison guide we look at the differences between the SRL, SA, SAS and sole proprietorship to help you understand which may be the best option for your project.

Which type of company is best in Uruguay

There is no single ideal structure for every business.

The choice will depend on factors such as:

  • Number of partners
  • Level of investment
  • Risk of the activity
  • Growth objectives
  • Need to bring in investors
  • Administrative costs

That is why, before incorporating a company, it is important to analyse which structure best suits the type of business you want to develop.

SRL vs SA in Uruguay

The comparison between the SRL (limited liability company) and the SA (corporation) is one of the most common among entrepreneurs and companies.

Although both structures offer limited liability to their partners, there are important differences in how they work and how they scale.

Main differences between an SRL and an SA

  • The SRL has a simpler, more flexible structure
  • The SA is usually used for larger projects
  • Management and internal operation are different
  • Transferring ownership is easier in an SA

The choice between them will depend mainly on the size of the project and future growth needs.

Minimum capital in an SA and an SRL

An important difference between the two structures relates to the initial capital required.

In general, a corporation usually requires a larger capital structure, while the SRL offers more flexibility for small and medium-sized ventures.

This makes the SRL a common choice for family businesses or businesses in their early stages.

Limited liability

Both the SRL and the SA offer limited liability, which means the personal assets of the partners or shareholders are kept separate from the company’s obligations.

This asset protection is one of the main advantages over simpler structures such as the sole proprietorship.

Management of an SA and an SRL

Management also differs significantly.

A corporation normally has a more formal structure, with a board of directors and greater corporate requirements.

The SRL, by contrast, usually allows more flexible and simpler management, which makes day-to-day running easier for small and medium-sized companies.

Transfer of shares or quotas

In a corporation, transferring shares is usually faster, which makes it easier to bring in investors and make changes to the share capital.

In an SRL, quotas generally have more transfer restrictions, as this type of company tends to favour a closer relationship between partners.

Maintenance costs

An SA usually has higher administrative and maintenance costs because of its more complex corporate structure.

An SRL normally involves lower operating costs and fewer formal requirements, which makes it more accessible for many ventures.

Taxes for an SA and an SRL

Generally speaking, the tax treatment can be similar for both company types.

However, the tax impact will depend mainly on:

  • The activity carried out
  • The structure of the business
  • The distribution of profits
  • The corporate planning implemented

That is why the tax analysis must be done case by case.

Incorporation timelines

Incorporating an SA usually involves more formalities and longer administrative timelines.

An SRL can generally be incorporated more simply and quickly.

Today, many companies also choose the SAS because it can be incorporated so quickly.

SAs and SRLs for foreigners

Foreign companies and international investors can use either an SA or an SRL in Uruguay.

Which is more suitable will depend on factors such as:

  • The investment structure
  • The need to bring in shareholders
  • International planning
  • The scale of the project

SAS vs SRL in Uruguay

The SAS has become one of the structures most chosen by entrepreneurs and new businesses in Uruguay.

The main differences between an SAS and an SRL include:

  • The SAS can be incorporated faster
  • It offers more operational flexibility
  • It can be incorporated with a single shareholder
  • It allows digital, simplified processes

Because of these features, the SAS is usually very attractive for startups, tech companies and small ventures.

SAS vs SA

Compared with the SA, the SAS is usually faster and cheaper to administer.

The corporation remains a widely used structure for large companies or projects that need a more traditional corporate organisation.

The possibility of digital incorporation is also an important advantage of the SAS over other company models.

Sole proprietorship vs SRL

Many entrepreneurs start out as a sole proprietorship because of its administrative simplicity.

However, the main difference from the SRL is that a sole proprietorship does not separate personal and business assets.

This means the owner is personally liable for the business’s obligations.

Sole proprietorship vs SA

The difference between a sole proprietorship and a corporation is even more marked.

The SA involves:

  • More corporate formality
  • Limited liability
  • A more complex administrative structure
  • Greater capacity to scale

That is why it is usually used for larger business projects.

Sole proprietorship vs SAS

The SAS is currently one of the alternatives most chosen by individual entrepreneurs.

This is because it allows you to operate with a single shareholder while keeping limited liability and a more modern, flexible structure.

For many projects, it strikes a very attractive balance between simplicity and asset protection.

Number of partners by company type

  • SA: generally requires at least two shareholders
  • SRL: allows between 2 and 50 partners
  • SAS: can be incorporated with a single shareholder
  • Sole proprietorship: only one owner

The number of participants is an important factor when choosing the right structure.

What to analyse before choosing a company type

Before deciding which type of company to open in Uruguay, it is worth assessing:

  • The scalability of the business
  • The level of risk of the activity
  • Administrative costs
  • The need for investors
  • Asset protection
  • Short- and long-term objectives

The right structure can make future growth easier and avoid unnecessary corporate changes later on.

Which is the best structure for starting a business

Today, the SAS is one of the structures most used by entrepreneurs because of its flexibility and ease of incorporation.

However, it is not always the best option in every case.

The ideal structure will depend on the type of business, the size of the project and each entrepreneur’s business strategy.

Conclusion

Choosing between an SRL, SA, SAS or sole proprietorship is a strategic decision that will directly affect how the business runs and grows.

Each structure has specific advantages, limitations and features that must be analysed according to the project’s needs.

Before deciding, it is advisable to carefully assess the legal, tax and operational aspects of each option to choose the most suitable legal form.

You may also find these guides useful:

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