A2A S.p.A.

Type	Società per Azioni
Traded as	BIT: A2AFTSE MIB Component
Industry	Utilities
Founded	1 January 2008
Headquarters	Brescia , Italy
Key people	Roberto Tasca (Chairman), Renato Mazzoncini (CEO and Managing Director)[1]
Services	Gas and electricity distribution, water distribution and treatment, waste management
Revenue	€12,86 million[2] (2024)
Operating income	€1,317 million[2] (2024)
Net income	€864 million[2] (2024)
Total assets	€19,894 million[2] (2024)
Total equity	€5,445 million[2] (2024)
Number of employees	14,385[2] (2024)
Website	www.gruppoa2a.it/en

A2A S.p.A. (branded as A2A Life Company) is an Italian company, organised as a società per azioni, that generates, distributes, and markets renewable energy, electricity, gas, integrated water supply, and waste management services.^[3][4] The company has significant presence in the North of Italy, energy production facilities in Italy and Greece.^[3]

A2A was formed on 1 January 2008 by the merging of three Northern Italian municipality-owned utilities. They include Azienda Elettrica Municipale (AEM, est. 1880) and Azienda Milanese Servizi Ambientali (AMSA, est. 1907), both of Milan, and Azienda dei Servizi Municipalizzati (ASM, est. 1908) of Brescia.

As of December 2024, it remains partially owned by the Municipalities of Milan and Brescia (25% ownership each).^[5] The municipalities are responsible of appointing 12 out of its 15 directors.^[6] A2A is listed on the Borsa Italiana and is a member of the FTSE MIB index.^[7]

A2A also refers to AI protocol and framework that enables one AI Agent to communicate, collaborate and cooperate with another one Agent, and no any human orders within this process, with high pace development of AI industry, A2A is widely used to describe the technical term as 'AI Agent to AI Agent' and 'Agent2Agent.