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 2

DDSA - De Luca, Derenusson, Schuttoff e Azevedo Advogados provides a comprehensive service to its clients, which range from airlines to banks and aviation leasing companies. The team is especially strong on the aircraft finance side, but is also highly rated for regulatory, insurance, litigation and related tax advice. Lead partner Ana Luisa Castro Cunha Derenusson is a prominent figure in the market.

Practice head(s):

Ana Luisa Castro Cunha Derenusson


The DDSA team is highly qualified in assisting clients in the acquisition, sale and legal proceedings involving aircraft. They will always meet their responsibilities to help customers and are available 24 hours. And the service and treatment is very differentiated from all the other firms with which we work.’

Ana Derenusson is the best lawyer of air law in Brazil. Total knowledge of the area, much experience in the most diverse types of operations. Very flexible and available.’

Knowledgeable and responsive, offering practical advice and following up on details.’

Ana Luisa Derenusson – extra competent and updated with the aviation market.

Ana Luisa Derenusson is my top pick in Brazil for aviation transactional matters. While there are a select few attorneys of similar caliber in Brazil, Ana Luisa and her team stand out for their client service and attention to detail, and follow-up for post-closing items.’

Brazil > Corporate and M&A Tier 6

Longstanding clients continue to turn to the sizeable team at DDSA – De Luca, Derenusson, Schuttoff e Azevedo Advogados for assistance in transactional and non-transactional corporate matters, and the team has also recently won a number of new clients. In addition to its active corporate and M&A practice, the team – from interns to partners – is also involved in pro bono work, with the firm devoting around 80 hours to pro bono matters per month. Guilherme Filardi and João Claudio De Luca Junior, who act for national and international companies from a broad range of sectors, jointly lead the team. Associate Yasmin Neves is also a key contact. Since publication, Ettore Botteselli left the firm, in November 2021.

Practice head(s):

João Claudio De Luca Junior; Guilherme Filardi


Technical capacity. I would highlight João Claudio de Lucca and Guilherme Filardi.’

Key clients



Idemia do Brasil Soluções de Serviços de Tecnologia

Evertec Group

Roland Berger

FedEx Trade Networks

TGM Indústria e Comércio de Turbinas e Transmissões

DPZ Partners

Trescal Group

G+D Mobile Security

Work highlights

  • Advising Plusoft Informática on the acquisition of Ibope DTM Marketing de Relacionamento, a company specialised in data management.
  • Advising G+D Mobile Security on the renegotiation of its debt with Brazilian financial institutions, and advising the client on all corporate and contracts matters related to day-to-day activities.
  • Advising Trescal Participations on the merger of its seven operational subsidiaries in Brazil (located in five states).

Tax > Tax advisory Tier 6

The versatile tax practice at DDSA - De Luca, Derenusson, Schuttoff e Azevedo Advogados covers both litigation and consulting. The firm represents clients from across many sectors and has developed a particular niche in assisting financial services companies in tax disputes relating to credit cards and other payment products. Other key industries for the department include aviation, renewable energy and real estate. Sabine Ingrid Schuttoff stands out for her indirect tax expertise, while Claudia Derenusson Riedel regularly handles direct tax issues.

Practice head(s):

Sabine Ingrid Schutoff; Claudia Derenusson Riedel


‘Good technical capacity and exceptional care.’

‘Great knowledge of practical and doctrinal tax issues.’

The Tax team is very committed to the quality of the work it performs. Its main differential is in the personalised customer service.’

Great knowledge of practical and doctrinal fiscal issues. I would highlight Cláudia Riedel, Sabine Schutoff and tax consultant Carlos Romero. Efficiency and availability.’

The firm is always attentive to the recommendations that the client requests.

Key clients


Cencosud do Brasil

CMA – CGM Shipping Group

Giesecke & Devrient América do Sul

ICON Taxi Aéreo

Magalhães, Reis & Zagatto Advogados

Work highlights

  • Defended Idemia Do Brasil against the imposition of ICMS on the supply of bank credit cards, plus an additional defence of 10 tax assessments relating to the collection of ICMS.
  • Assisted Cencosud, a Chilean retailer and a major supermarket chain in Latin America, 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.

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
Ms Ana Luisa Castro Cunha Derenusson photo Ms Ana Luisa Castro Cunha DerenussonFounding partner and head of DDSA’s Aviation Law Practice, which includes aircraft…
Ms Claudia Derenusson Riedel photo Ms Claudia Derenusson RiedelFounding partner and one of the heads of DDSA’s Tax Law Practice,…
Ms Leila Pigozzi Alves photo Ms Leila Pigozzi AlvesHead of the Labour and Employment practice, which includes Litigation;Contracts;Assistance in the…
Mr Luis Augusto Roux Azevedo photo Mr Luis Augusto Roux AzevedoFounding partner and one of the heads of DDSA’s Litigation Practice (comprising…
Ms Sabine Ingrid Schuttoff photo Ms Sabine Ingrid SchuttoffFounding partners and one of the heads of DDSA’s Tax Law Practice,…
Mr Marcos Tiraboschi photo Mr Marcos TiraboschiPartner
Other fee-earners : 42
Total staff : 68
Contacts : 12