DDSA - De Luca, Derenusson, Schuttoff e Azevedo Advogados > Sao Paulo, Brazil > Firm Profile

DDSA - De Luca, Derenusson, Schuttoff e Azevedo Advogados
SÃO PAULO, SP CEP 04551-010

Brazil > Transport: Aviation Tier 1

The multi-faceted aviation practice at DDSA - De Luca, Derenusson, Schuttoff e Azevedo Advogados commands considerable respect in the market. In addition to its excellent market knowledge, the team ‘sets itself apart in terms of always being timely to respond and thorough in following up’. The comprehensive service is used by airlines, banks, air taxi operators, leasing companies and manufacturers in a range of issues. The team regularly assists with high-value financings and aircraft acquisitions, as well as contentious and non-contentious regulatory matters before the National Civil Aviation Agency. Department head Ana Luisa Castro Cunha Derenusson is ‘one of the most experienced aviation attorneys in Brazil’, who ‘combines expertise with practical advice’. She is backed by a strong team of partners, including Rita de Cassia Fernandes de Godoy, an aviation specialist with notable credentials in aviation finance.

Practice head(s):

Ana Luisa Castro Cunha Derenusson


‘Responsiveness. While there are a few other firms with similar expertise in aviation matters in Brazil, DDSA sets itself apart in terms of always being timely to respond and thorough in following up.’

‘Ana Luisa Derenusson is one of the most experienced aviation attorneys in Brazil. She combines expertise with practical advice.’ 

Brazil > Corporate and M&A Tier 6

DDSA - De Luca, Derenusson, Schuttoff e Azevedo Advogados is regularly sought out by an impressive roster of domestic and international clients on day-to-day corporate matters and M&A transactions. With the ability to provide support on all legal aspects surrounding the purchase and sale of companies, the practice is also active in corporate reorganisations, governance issues, consolidations and joint ventures. Furthermore, clients benefit from the firm’s multidisciplinary service offering, covering tax, labour, litigation, regulatory and environmental law. The practice is jointly led by founding partners João Claudio De Luca Junior and Guilherme Filardi, both of whom handle M&A deals and contractual matters.

Practice head(s):

João Claudio De Luca Junior; Guilherme Filardi

Key clients



Idemia do Brasil Soluções de Serviços deTecnologia

Evertec Group

Roland Berger GmbH

FedEx Trade Networks

TGM Indústria e Comércio de Turbinas e Transmissões

DPZ Partners

Trescal Group

G+D Mobile Security

Work highlights

  • Advised a client on the sale of equity in IBD Certificações to QIMA.
  • Advised Plusoft Informática on the acquisition of Ibope DTM Marketing Derelacionamento.
  • Assisting Trescal Participations in the merger of its seven operational subsidiaries in Brazil.

Tax > Tax advisory Tier 7

DDSA - De Luca, Derenusson, Schuttoff e Azevedo Advogados' tax group is ‘attentive to the client and their demands‘. Its lawyers regularly provide tax advice on corporate restructurings and M&A transactions, representing clients from across a range of key industries, including aviation, real estate and energy. The firm has also developed a particular niche advising on tax issues linked to credit cards and other payment products. Claudia Derenusson Riedel typically handles direct tax issues, while Sabine Ingrid Schuttoff advises on contentious and non-contentious indirect tax matters.

Practice head(s):

Sabine Ingrid Schuttoff; Claudia Derenusson Riedel


‘Attentive to the client and their demands.’

Key clients


Cencosud do Brasil

Unicharm do Brasil

Giesecke &Devrient América do Sul

ICON Taxi Aéreo

Magalhães, Reis & Zagatto Advogados

360 Imprimir

Plusoft Informática

Avina Foundation

Pitá Arquitetura

Work highlights

  • Provided strategic tax litigation advice to Idemia Do Brasil concerning tax assessments in relation to the imposition of ICMS on the supply of bank credit cards.
  • Assisted Cencosud, a Chilean retailer, in various tax litigation proceedings involving PIS, COFINS and SAT.
  • Assisting CMA – CMG Shipping on all matters related to taxation and its corporate reorganisation, as well as the defence of judicial claims regarding PIS, COFINS and RAT/SAT contributions.

Brazil > Labour and employment

Highly regarded labour law expert Leila Pigozzi Alves leads the team at DDSA - De Luca, Derenusson, Schuttoff e Azevedo Advogados, an experienced employment group that is ‘fast and up-to-date' and provides ‘clear and objective communication’.

DDSA innovates in client service by providing a global, multidisciplinary model of client management, involving all areas required to meet clients’ demands, with deep knowledge of their business and market.

Formed by a group of highly qualified professionals, most of them with master’s degrees or specialization in their fields and fluent in more than two languages, holding top positions in national and international associations, DDSA has been recognized for its expertise in innovative areas of law.

DDSA’s core values include quality, professionalism and ethics, as the firm always strives to offer individualized and customized service according to each clients’ profile. In addition, the client has direct access to the partner of the area responsible for its service at any time, in a show of respect and deference to the client regarding the progress of the case, be it a negotiation, an inquiry or a litigation.

This is the differential offered by DDSA – a law firm that grows in number of professionals, practice areas and clients by providing a global and comprehensive service in traditional and innovative areas of law, and that is recognized by the most important international and national directories.

Types of work undertaken: The firm is able to provide a full-service approach to all clients’ needs regarding negotiations and transactions in which they are involved. The team is highly aware of the complexities of a wide range of economic sectors.

DDSA is dedicated to assisting Brazilian and multinational companies in a full range of legal matters involving mergers and acquisitions, banking, corporate law, economic law, aviation law, contracts, public law, tax planning and litigation, civil litigation, banking law, arbitration, infrastructure, corporate reorganization, labor and social security law, immigration, environmental law and real estate transactions.

The team is able to deal with the complex demands of Brazilian and international companies, presenting effective and quick solutions in all legal fields for all market sectors.

The firm’s expertise is well recognized by its clients and peers, especially regarding its quick answers and immediate access to the partners.

Languages: Portuguese, English, Italian, Spanish, French and German.

Antitrust João Claudio De Luca Junior
Aviation Ana Luisa Castro Cunha Derenusson
Banking and finance Ana Luisa Castro Cunha Derenusson
Corporate and M&A João Claudio De Luca Junior
Corporate and M&A Guilherme Filardi
Environment Flávia Marcilio Barbosa
Labor and social security Leila Pigozzi Alves
Public law and Infrastucture Flávia Marcilio Barbosa
Real estate Luanda Pinto Backheuser
Tax litigation Sabine Ingrid Schuttoff
Civil Litigation and Arbitration Fabiana Videira Lopes
Tax planning Claudia Derenusson Riedel
Ana Luisa Castro Cunha Derenusson photoMs Ana Luisa Castro Cunha DerenussonFounding partner and head of DDSA’s Aviation Law Practice, which includes aircraft…
Claudia Derenusson Riedel photoMs Claudia Derenusson RiedelFounding partner and one of the heads of DDSA’s Tax Law Practice,…
Leila Pigozzi Alves photoMs Leila Pigozzi AlvesHead of the Labour and Employment practice, which includes Litigation;Contracts;Assistance in the…
Luis Augusto Roux Azevedo photoMr Luis Augusto Roux AzevedoFounding partner and one of the heads of DDSA’s Litigation Practice (comprising…
Sabine Ingrid Schuttoff photoMs Sabine Ingrid SchuttoffFounding partners and one of the heads of DDSA’s Tax Law Practice,…
Marcos Tiraboschi photoMr Marcos TiraboschiPartner
Other fee-earners : 42
Total staff : 68
Contacts : 12