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Tax law · São Paulo

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FeaturedThe transition to IBS and CBS

The Firm

Academic rigor and strategy led by the partners themselves, case by case.

McNaughton Advogados is a tax law firm headquartered in São Paulo. Its partners combine academically recognized technical rigor with complementary careers, including work at firms specialized in complex tax matters and participation in the legislative debate on tax reform.

At McNaughton, every case receives a tailored legal strategy, designed and led directly by the partners. Our work is guided by ethics and by a commitment to solutions that create value for each business.

Mission

To care for people who need tax support.

Vision

To be a reference in federal tax litigation and strategic advice.

Values

ExcellenceDeterminationObjectivityCreativityHumanismNonconformityEthics

Practice

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Partners

Charles W. McNaughton

Charles W. McNaughton

Founding Partner
Marina Tófoli

Marina Tófoli

Partner
Pedro Cruz

Pedro Cruz

Partner
Roberta Wink

Roberta Wink

Partner
Thais Oliveira

Thais Oliveira

Partner

Of Counsel

Cely A. M. McNaughton

Cely A. M. McNaughton

Of Counsel
John F. McNaughton

John F. McNaughton

Of Counsel

Every case receives a tailored strategy.

Publications

Books

Curso de IBS e CBS

MCNAUGHTON, Cristiane Pires; MCNAUGHTON, Charles William. Curso de IBS e CBS: de acordo com a Emenda Constitucional 132/23 e com as Leis Complementares 214/25 e 227/26. 2. ed. rev., atual. e ampl. São Paulo: Noeses, 2026.

Curso de IRPF

MCNAUGHTON, Charles William. Curso de IRPF. 2. ed. rev., atual. e ampl. São Paulo: Noeses, 2022.

Where to buy

Elisão e norma antielisiva

MCNAUGHTON, Charles William. Elisão e norma antielisiva: completabilidade e sistema tributário. São Paulo: Noeses, 2014.

Where to buy

Jerarquía y sistema tributario

MCNAUGHTON, Charles William. Jerarquía y sistema tributario. 2. ed. Santiago: Ediciones Olejnik, 2021.

Hierarquia e sistema tributário

MCNAUGHTON, Charles William. Hierarquia e sistema tributário. São Paulo: Quartier Latin, 2011.

Fusões e aquisições

GAUDÊNCIO, Samuel Carvalho; MCNAUGHTON, Charles William. Fusões e aquisições: prática jurídica no M&A. 3. ed. Rio de Janeiro: Lumen Juris, 2019.

Manual do Imposto de Renda da Pessoa Jurídica – IRPJ

MCNAUGHTON, Charles William; JR., Pedro Anan. Manual do Imposto de Renda da Pessoa Jurídica – IRPJ: teoria e prática. São Paulo: Intelecto, 2016.

Contact us

How can we help?

Everything you send stays with the firm, under attorney–client confidentiality. Prefer to write directly? contato@mcnaughton.adv.br

McNaughton Briefing

The essentials of tax law, in a few minutes.

Short summaries, with the partners’ view, of what is changing for businesses and estates. By email.

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