Surely you’ve heard about Sesc, Sesi and Senac, institutions linked to the S System. But, what is that? The name may seem strange, but it is part of the daily life of Brazilians more than you might think, as it is linked to commerce, industries and services.
The S System is guaranteed in the Federal Constitution of 1988, through article 149, whose objective is to provide social contributions, intervention in the field of economy and interest of economic categories. Revenues are raised by contributions, from most private companies and passed on to the entity.
But it has existed since the Getúlio Vargas administration, when he created Senai, in February 1942, during the Estado Novo period. Four years later, with the departure of Vargas, Senac, Sesi and Sesc came, and, over the years, new systems began to emerge, one of them was Sebrae, which encourages the appearance of micro-enterprises.
Today, we are going to explain what the S System is, how it works, its importance and, finally, which companies are connected.
What this article covers:
What is the S System?
The S System are companies composed of nine service providers, managed by federations and confederations, the main sectors of the economy that move the country’s sociocultural policies.
The main objective is to provide a public utility service and has no connection with the public power. Therefore, it has activities aimed at schools, technical courses, research, cultural and sports activities.
How does the S System work?
The S System is composed of nine companies that begin with the letter S, maintained by industry, commerce, transport and cooperative companies. The objective is not only to qualify the workforce, but also to promote leisure, culture and health.
Its livelihood is through contributions to the Pension and Social Assistance Fund (FPAS), where each company receives a percentage ranging from 0.2% to 2.5% on the payroll of companies linked to the system.
In addition, they can receive contributions from partners for consulting and training actions, ticket sales, paid courses and other measures to contribute to the revenue of these organizations. The aim is to provide, free of charge, professional training and access to leisure and culture for Brazilians.
What is your importance?
The importance of the S System is to bring learning to the Brazilian population by offering courses at various levels of education, from basic education to undergraduate institutions. In addition, it provides extracurricular activities, such as exhibitions, theatrical presentations, sociocultural activities, concerts, lectures and among other activities.

In addition, they provide incentive activities, through public notice of sponsorship projects for companies to carry out their respective activities.
What are the companies in the S System?
As mentioned earlier, overall there are nine companies of the S System, which are made up of the following institutions:
- National Rural Learning Service (SENAR)
- National Commercial Learning Service (SENAC)
- Social Service of Commerce (SESC)
- National Cooperativism Learning Service (SESCOOP)
- National Industrial Learning Service (SENAI)
- Industry Social Service (SESI)
- Social Transport Service (SEST)
- National Transport Learning Service (SENAT)
- Brazilian Micro and Small Business Support Service (SEBRAE)
Thus, you already know which companies belong to the S system, so if you have a business or want to learn a course that these institutions offer, just look on their official websites or go to a center in your city.
Now that you know how the companies in the S System work, share this text with more people who still have doubts about how they work in Brazilian society.