1987 - Lock's Birth. First works begin, Doceria (Confectionary) La Colone and Ronaldo Ferreira's residence. 

1990 - Activities of the Commercial area begin with Ocean Pacific store at Iguatemi Shopping Center.

1991 - The Collor Plan forces Lock into a strong reestructuring.

1994 - We've built House Garden, our first work at Rua Gabriel Monteiro da Silva. In the same year, Lock Engenharia begins to focus a customized service for the most important architects in the market niche of high-standard construction.

1997 - Lock Engenharia reaches the milestone of 140 workers.

2001 - Entry in the Corporate segment.

2008 - Lock Engenharia becomes a group of companies.

2011 - The Property Area begins with the work Museu das Pedras, of 3,065 m², nearby the Ibirapuera Park.

2012 - Now we count on more than 320 workers.

2013 - The Property Area delivers its first Retrofit – the Red Bull Station at Praça da Bandeira, Downtown São Paulo.