Since 2000 Brisa's largest shareholder has been the investment company and family office Grupo José de Mello, which owns over 30% of its stock through subsidiaries.

The firm leads the Auto-estradas do Baixo Tejo concession with a 30% stake, which includes construction, widening, operation and maintenance of motorways and Itinerários Complementares trunk roads in the Setúbal area.

Other major investments held by the company within Portugal include 60%[2] of the Via Verde electronic toll collection system, also used in car parks and for other purposes;[5] 100% of roadside assistance firm Brisa Assistência Rodoviária; and 60% of Controlauto, a chain of outlets offering vehicle inspection services.

In December 2009 a Brisa-led consortium was awarded a contract to construct the first stage of a high-speed rail link between Lisbon and Madrid by the Portuguese government, giving it a 40-year concession to operate the line within Portugal.

[9] In 2007 the firm purchased 30% of Movenience, the electronic toll collection system used in the Western Scheldt Tunnel in the Dutch province of Zeeland;[10] this stake was increased to 40% in 2010.