In 1953, he founded Covema one of the biggest conglomerate in the world plastic sector along with Dino Terragni and Felice Zosi.

After doing military service, where he obtained the rank of lieutenant, he started some entrepreneurial activities together with his older brothers, however, proving to be bankrupt.

With the development of the world market, they began selling numerous machines in the United States, South America and Australia.

[10][11] In 1960, together with his brother, he developed a plastic rafia extrusion line, the first in the world, which they later sold to a South African company, which still exists today.

Later he founded Plastiform Srl in Paderno Dugnano, GBF in Bresso (which collaborated with Basell Polyolefins group),[12] Corima Spa in Cassano Magnago, Omam in Varese, FIRS in Zingonia, Technical Die and RIAP in Brescia.

[16] In 1969, at the request of a Brazilian customer, he began to design a new process that could replace the one developed by Toshiba a few years earlier for the production of plastic honeycomb sheets.

In 1976 at Corima Spa, together with a group of engineers, he developed the first extrusion line of the world for the production of WPC, that is, sheets composed with thermoplastic materials intended to replace wood.

In February 1981 Marco was awarded for the second time by the Milan Chamber of Commerce for Covema's exports in the three-year period 1978-1979-1980.

[28][29][30] In 1992, a strong collaboration began with the Taiwanese billionaire YC Wang with whom he discussed the foundation of the largest company in the world for the production of Cartonplast, now sold under the tradename Intepro and Coroplast, the Inteplast company belonging to the giant Formosa Plastics Corp. Later he founded Agripak srl with the aim of producing packaging for fruit and vegetables and Cartonplast in southern Italy.