Osborne Clarke is home to a highly experienced administrative and public law team, representing a diverse range of clients in the real estate, life sciences, and healthcare sectors. Giorgio Lezzi spearheads the practice and advises clients on PPP concessions and litigation. Angelo Maria Quintieri has extensive experience in urban redevelopment and public contracts. Federica Fischetti specialises in public procurement and disputes, while Federico Milani focuses on concessions for housing and energy projects. The firm’s expertise was extended with the arrival of Benedetta Mussini from LCA Studio Legale in May 2025.
Legal 500 Editorial commentary

Accolades

Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency

Testimonials

Collated independently by Legal 500 research team.

  • ‘The administrative and public law team of OC are unique in combining deep legal expertise with a genuine ability to understand and address the specific needs of clients. The team do not limit themselves to delivering technically sound advice: they take the time to grasp the client’s context and priorities, ensuring that the assistance provided is truly tailored and effective.'
  • ‘A distinctive strength of the practice lies in its ability to engage effectively with public authorities — a capability that is rarely found in other teams. This skill is complemented by a strong commercial orientation, which proves particularly strategic for clients involved in public–private partnership initiatives. By combining a deep understanding of administrative dynamics with business-driven thinking, the team is uniquely positioned to bridge the gap between institutional requirements and private sector objectives.’
  • ‘Giorgio Lezzi is a highly responsive professional who is always available to provide advice, even on short notice. His team has the ability to deliver the required outputs in an impressively short timeframe, while consistently exceeding expectations in terms of quality. Without doubt, Lezzi stands out as the leading lawyer for the public sector in Italy.’
  • ‘We have found the team to be highly competent, providing immediate and clear responses even when navigating complex administrative procedures. Their ability to guide us quickly and effectively through such complicated processes sets them apart and gives clients strong confidence in their support.'
  • ‘Both the partner and associates we have worked with at OC stand out for their solid expertise in administrative and public law and for their clear understanding of the sector in which we operate. They are consistently reliable and provide advice we can trust. What makes them different from competitors is their problem-solving approach: they focus not only on identifying legal issues but also on developing practical and workable solutions. We also value their ability to strengthen our position and maximize the advantages available to us.’
  • ‘The approach of Osborne Clarke is at the same time highly professional, friendly, practical and smart; they try to find the best solution for the client given the context and legal framework. The needs of the client are always highly considered, and the solutions tailored to those. They make sure to advise you in the best way possible, support you in the implementation of the suggestion given and are ready to adjust it if needed. You feel supported and well cared for along with all the legal counselling.’

Key clients

  • Abbanoa S.p.A.
  • ALER Milano - Azienda Lombarda per l'Edilizia Residenziale
  • Castiglia S.r.l.
  • Chamber of Commerce of Milan, Monza Brianza and Lodi
  • Donato Colombini S.p.A. (Abitare Co. S.r.l.)
  • Domus Service Co. S.r.l.
  • ENGIE Servizi S.p.A.
  • Grifols Italia S.p.A.
  • Impresa Percassi S.p.A.
  • Infrastrutture Recupero Energia Agenzia Regionale Ligure -- I.R.E. S.p.A
  • INNOVHUB -- Stazioni Sperimentali per l'Industria S.r.l.
  • Italgas S.p.A.

Work highlights

Advised I.R.E. S.p.A. on a €400 million PPP concession for the construction and management of a new hospital in La Spezia.
Advised RI Infrastrutture on a €95 million urban redevelopment project in Milan including infrastructure for the 2026 Winter Olympic Games.
Advised Castiglia S.r.l. on Council of State litigation challenging a €123 million landfill remediation contract award.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head

Giorgio Lezzi

Other key lawyers

Benedetta Mussini; Angelo Maria Quintieri; Federica Fischetti; Federico Milani