The Brasilinvest Group, created in 1975 by the businessman Mario Garnero, is the first private development agency installed in Brazil. It was founded and consolidated as a classic "banque d'affaires" or "merchant bank", with 80 associates in 16 countries. It has structured and completed projects and investment plans in Brazil amounting to more than US$ 4.7 billion.

Over its 30 years, the group has consolidated the assembly of dozens of economic projects and entrepreneurial management, from the transference and nationalization of ITT-Standard Electric SA and NEC, in the 1980s, to the assessment, in the 1990s, of the new partnership structure of Cofap and Bombril. It also assisted the stock-option restructuring of Fiat, the creation of Volkswagen’s leasing unit, as well as Varig and Volkswagen’s rent-a-car units

In the Agribusiness sector, it has assisted the process of industrial installation of Boehringer in Suape, Pernambuco, and taken part in enterprises such as Celupa (Paper and Cellulose Industrial Company Guaiba) and Mellita.

In addition, Brasilinvest has always reinforced its international profile with partners in 16 countries and representatives from all around the world in its board of consultants. It has been a pioneer in discussing themes such as globalization and its effects on the brazilian market, with the planning, along with the Forum of the Americas, of great conferences about investment in Brazil taking place in Salzburg, Austria, and in the Principality of Monaco. It has led equally important business initiatives with the Asian market, with the increase in commercial and capital exchange through the establishment of a representation office in Beijing, China. Brasilinvest also has a strong history in de development of real estate projects (having built more than 3.7 million square meters of edifications). In the beginning of the 1970s, it built Vila Cisper, with 2,500 houses, in Sao Paulo, the very first residential project made through the Financial Habitation System.
In 1981, it built the two towers of the Brasilinvest Plaza, currently the Mario Garnero Enterprise Center, headquarters of the company and a pioneer work at the beginning of the Faria Lima Avenue. It has also aided the development of skyscrapers such as the Golden Gate (a luxury residential building) and the New Star (an office conglomerate). It has also built residential buildings in Sao Paulo and Campinas, as well as gated communities.

In the United States, along with the french company Constructa and brazilian group Odebrecht, it has delivered in 2000 the Ocean Steps, in Miami Beach, a modern real estate enterprise with an` investment of US$ 75 million, situated in the famed Ocean Drive.