Have you ever stopped to think about who Ilson Mateus is? This guy is one of the most interesting entrepreneurs in Brazilian retail — and his story is not only inspiring, it’s practically a manual on how to build a regional empire.

I started following his case when Grupo Mateus went public in 2020. At that time, during the pandemic, the company raised R$ 4.63 billion — the largest IPO in Brazil that year. Revenue of R$ 9.9 billion in 2019. Numbers that speak for themselves.

But what really impresses about who Ilson Mateus is is his origin. He was born in Imperatriz, Maranhão, in the 1960s. The scenario: a region with limited infrastructure, scarce opportunities. At 21, like many Brazilians of that time, he tried his luck in Serra Pelada — that giant gold mining hub. It didn’t work out. Without capital, he returned to Maranhão and made the move that would change everything: he opened a small grocery store in Balsas.

Here’s the key difference. He didn’t stay only in traditional retail. He started transporting goods between cities, seeing opportunities where others only saw logistical difficulties. During the Cruzado Plan, when the economy was crazy, he made a bold decision: he expanded inventories by purchasing on credit. Was it too risky? Maybe. But it worked.

From the grocery store, Armazém Mateus was born. Later it became Mateus Supermarkets, Mix Mateus (the wholesale-retail model that’s very successful), Eletro Mateus, Bumba Meu Pão (own production). Vertical integration, smart diversification, disciplined expansion. While competitors focused on big cities, he dominated the North and Northeast — less explored markets, but with enormous potential.

When you understand who Ilson Mateus is, you realize it’s not just luck. It’s strategy. A hybrid model of retail and wholesale-retail serving different profiles. Own production improving margins. Focus on operational efficiency even while growing rapidly.

In 2022, Forbes listed him as a billionaire — estimated fortune of US$ 1.7 billion. This reflects the appreciation of GMAT3 shares, continuous operational growth, and relentless expansion. For those investing in the Brazilian stock market, Grupo Mateus is interesting: strong regional presence, resilient model, consistent growth. Of course, there are risks — geographic concentration, pressured margins in retail, sensitivity to consumption by middle and lower classes.

But Ilson Mateus’s case remains one of the most successful in recent national retail. From a small grocery store in the interior of Maranhão to a billion-dollar IPO during an economic crisis. This is more than an inspiring journey — it’s a real study in resilience, strategic vision, and how to create opportunities even in adverse scenarios. Worth following.