Studio Tributario e Societario Deloitte | STS Deloitte


Via Tortona 25
Milano, 20144

+39 02 83324111

Key contacts:

Country Tax Leader: Alessandro Lualdi
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Tax Partner – Head of Transfer Pricing: Aldo Castoldi
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Quick facts:

Network memberships: Deloitte

Supported by the international, multidisciplinary Deloitte network, about 700 Tax professionals in thirteen Italian cities (Bologna, Genova, Padova, Catania, Milano, Roma, Firenze, Napoli, Torino, Parma, Treviso, Varese, Bari) and desks in New York and Hong Kong, combining a broad range of professional experience with industry-specialist knowledge. STS Deloitte is able to provide its clients with advice and assistance on both Italian matters and cross borders matters with a complete range of services, paying attention to the technical aspects, in the following areas:

  • Business Tax
  • International Tax
  • VAT & Global Trade Advisory
  • Global Employer Services (GES)
  • Transfer Pricing
  • Mergers & Acquisitions
  • Tax Controversy
  • IT Tax tools (TMC)
  • Business Process Solutions (BPS)
  • Global Investment and Innovation Incentives (Gi3)
  • Private Client Services

Since a few years now, STS Deloitte (part of the Deloitte Network) has become the largest tax practice in Italy in terms of the number of full-time dedicated transfer pricing professionals (tax specialists, lawyers, analysts and economists), grouped in one national service line (set up in 1999). The team located in five different geographical locations in is led by Aldo Castoldi.

STS-Deloitte transfer pricing SL:

  • has a “passion” for innovation and assisted in the negotiation and conclusion of the first Italian Advance Pricing Agreement (APA), in the first settlement of an Italian transfer pricing case through the European Union Mutual Agreement and Arbitration Convention;
  • assisted clients in the two first ever contemporaneous multilateral audits jointly carried out by the Italian and German Tax Authority;
  • have been developing and implementing IT Tools and solutions for TP Documentation and Analytics projects.

  • Compliance Management
  • Business Model Optimisation
  • Economic Modelling
  • Policy Design
  • IP Management
  • Corporate Tax Matters
  • Restructuring
  • APAs
  • M&A
  • Financial Services
  • Corporate Taxes
  • Technology
  • Cryptocurrency
  • Dispute Resolution
  • Pre-litigation
  • MAPs/ADRs
  • Litigation
  • Tax Advisory
  • Tax Consulting
  • International Tax Advisory
  • US Inbound
  • Indirect Tax
  • VAT
  • Customs

  • Automotive
  • Aviation
  • Banking
  • Consumer Goods and Services
  • Energy
  • Financial Services
  • Food and Beverage
  • Gaming
  • Healthcare
  • Insurance
  • Media
  • Natural Resources
  • Oil and Gas
  • Pharma and Life Sciences
  • Real Estate
  • Shipping
  • Tech and Telecoms
  • Tourism

Business Tax
Stefano Mazzotti

International Tax
Luca Bosco

Transfer Pricing
Aldo Castoldi

Global Investment and Innovation Incentives (GI3)
Ranieri Villa

Indirect Tax
Antonio Piciocchi

Global Trade Advisory
Pier Paolo Ghetti

Global Employer Services
Simone Viligiardi

Tax Controversy
Matteo Costigliolo

It Tax Tools (TMC)
Stefano Mazzotti

Mergers & Acquisitions
Francesco Saltarelli

Business Process Solutions (BPS)
Roberto Rocchi

  • Milano
  • Bologna
  • Firenze
  • Genova
  • Padova
  • Roma
  • Torino
  • Napoli
  • Catania
  • Parma
  • Bari
  • Varese
  • Treviso
  • Parma
  • Bari
  • Varese
  • Treviso