- Societat Filomàtica de Barcelona. Literary, scientific and artistic entity founded in 1839. It was divided into four sections: literature, natural sciences, mathematics and fine arts. Andreu Giró was enrolled in the literature section and was its secretary and director.
- Societat barcelonina d'Amics de la lnstrucció. For five years he served as general secretary, as well as the direction of Geometry and Art. He was twice president of the society.
- Escola de Belles Arts. On January 26, 1864, Isabel II passed the school's teaching staff and subjects with Andreu Giró in the line drawing class.
- Reial Acadèmia de Ciències i Arts de Barcelona. Full member of the Physical and Mathematical Sciences Section. He held the position of museum curator, treasurer, secretary and deputy secretary of the entity, and director of the Physical and Mathematical Sciences Section.
- Societat Industrial Barcelonesa. The industrial schools were created in 1850. The one in Barcelona opened its doors at the beginning of October 1851, in the Llotja. They responded to the desire of the bourgeoisie to have professionals prepared to apply innovations that came from outside. The director was Josep Roura, from Sant Feliu de Guíxols. To form the teaching staff, Andreu Giró was called in as a drawing assistant; later, he would be a full professor.
- Societat Econòmica Barcelonesa d’Amics del País.
Andreu Giró wrote several works. Special mention should be made of the entitled “Elementos de geometría acompañados de ejercicios prácticos” (Ed. 19 edicions) and “Curso metódico de dibujo lineal con aplicación a las artes, a la indústria y a la agrimensura”, which served as a textbook for professional nautical schools.
This biographical note has been made thanks to the article by Joan Radressa i Casanovas (Llibre de la Festa Major de Torroella de Montgrí, [en línia], 2019, p. 3-7) and to the documentation of the Royal Academy of Sciences and Arts of Barcelona.