Profile
Work Department
Position
Mattia is a Law Partner of the firm and the Leader of EY’s Energy and Efficiency Legal Department.
He has specific and extensive expertise in the energy and efficiency sector with a strong network of clients and relations, having an extensive Italian and international experience in the energy, oil & gas, and infrastructure sectors, as well as in commodities trading (e.g., oil, gas, LNG, coal, metals), e-mobility and energy transition projects.
In these fields, Mattia assists clients with respect to corporate, contractual and regulatory matters.
He regularly advises some of the leading Italian and foreign companies in these sectors on, amongst others:
- the development, construction, operation, maintenance and financing of renewable energy and energy efficiency projects;
- M&A and extraordinary transactions;
- procurement, distribution and supply of commodities, chemical products, goods and services, PPA, SLA, access to transmission grids and facilities, also on a cross-border basis;
- access to regulated assets and facilities, participation to public tenders and structuring of contractual structure and strategy on the market (both wholesale and final customer); and
- design and development of transactions and solutions aimed at support the energy transition.
Career
Mattia joined the EY team in 2018 after a 15+ year career at the firm of Gianni & Origoni.
Today he is an Equity Partner at EY in Italy and Leader of the firm’s Energy & Efficiency Legal Department.
Languages
Memberships
Education
- University “Cattolica del Sacro Cuore” of Milan - J.D. 2003
- European Law - Jean Monnet - Master 2002
Content supplied by EY
Testimonials
Collated independently by Legal 500 research team.
‘Mattia Riccardo Petrillo is an outstanding energy lawyer, with a unique business instinct.'
‘Business acumen, deep and extensive knowledge of the energy market in Italy, excellent cost/service quality ratio and availability and accessibility of the designated partner.’
‘Mention for Mattia Riccardo Petrillo, who is always by the client's side and capable of finding legal solutions that reconcile business needs with the requirement to maintain an appropriate level of legal protection.’
- 'They excel in punctuality when completing assignments and precision in analysing the case. They have a high level of professionalism overall. The team members we worked with were Oriana Granato and Chiara Donadi.'
‘The team can handle first-of-a-kind transactions with a business-oriented approach.’
‘The individuals combine in-depth knowledge of the industry with innovative skills.’
- 'This law firm stands out for the high level of expertise of its professionals, both in terms of their specific expertise in the matters they handle, their timely response to requests, and their willingness to provide any clarification or additional information requested regarding the support provided.'
- 'The professionals at this law firm consistently demonstrate exceptional expertise and quality in the services they provide, including through efficient interpersonal communication aimed at providing any additional and appropriate clarification requested. In light of the above, it is highly anticipated that this long-standing collaborative relationship will continue well into the future.'
Key clients
- Nuovo Pignone S.R.L.
- Snam S.P.A.
- Alperia Green Future S.r.l.
- Axpo Italia S.P.A.
- Tunur Power Italy S.R.L.
- Repower Italia S.P.A.
- Iren Mercato S.p.A.
- Iren Smart Solutions S.P.A.
- Iren Ambiente S.p.A.
- Italgas Reti s.p.a.
- Compagnie des Ciments Belges CCB SA/NV
- BPCE Lease S.A. – Succursale Italia
- Addtech Nordic
- Unieuro S.p.A.
- EON Energia S.p.A.
- Viviesco S.r.l.
- Regione Piemonte

