The impact of independent auditors’ tax consulting services on tax litigation

Autores

DOI:

https://doi.org/10.21680/2176-9036.2026v18n1ID42507

Palavras-chave:

Tax Litigation; Audit Services; Tax Consulting Services; Corporate Governance.

Resumo

Purpose: This study aims to determine the impact of tax consulting services provided by independent auditors on the incidence of tax litigation among Brazilian companies listed on B3. The research investigates whether increased investment in auditing and tax consulting services is associated with a higher likelihood of legal disputes.

Methodology: An empirical analysis was conducted using a balanced panel dataset comprising 416 observations from 2017 to 2020. We used multiple linear regression models, as well as descriptive statistics and Pearson correlation analysis. In addition, the study held constant several important variables, including the return on equity (ROE), indebtedness, and firm size, to isolate the impact of tax consulting expenditures on tax litigation outcomes.

Results: It shows a highly positive relationship between higher spending on auditing and on tax consulting services and the incidence of tax litigation. More specifically, firms that invest more in these services face more tax-related legal disputes. These findings suggest that, while tax consulting may provide strategic and compliance-related benefits, it also increases exposure to litigation risks.

Contributions of the Study: This article addresses an important theoretical gap in the literature by establishing a direct connection between the provision of tax consulting services by independent auditors’ and enhanced legal exposure. At a methodological level, the use of panel data econometric models increases both the precision and robusteness of the analysis, offering deeper insights into the driversof tax litigation. The research contributes to academic literature in accounting, auditing, and corporate governance, while providing practical implications for regulators and corporate managers aiming to balance the strategic benefits related to tax consulting with effective risk mitigation.

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Biografia do Autor

Antonio Lopo Martinez, Instituto Jurídico da Universidade de Coimbra, Faculdade de Direito

PhD in Accounting (FEA-USP), Researcher of the Instituto Jurídico da Universidade de Coimbra, Faculdade de Direito - 3004-528 Coimbra, Portugal.

Marielza Santos do Nascimento, Federal University of Alagoas

PhD in Accounting (FUCAPE), Professor of the Federal University of Alagoas.

Luis Paulo Guimarães dos Santos, Associated Professor of the Department of Accounting of the Federal University of Bahia

PhD in Controlling and Accounting (FEA-USP), Associated Professor of the Department of Accounting of the Federal University of Bahia.

Silvio Hiroshi Nakao, Associate Professor of the Departament of Accounting of FEA-RP/USP.

Tenured Professor (Livre-Docente) at the University of São Paulo (USP-RP), Associate Professor of the Departament of Accounting of FEA-RP/USP.

Aline Mendonça de Andrade, Federal University of Bahia

Master in Accounting from the Federal University of Bahia, Court of Auditors of the State of Bahia.

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Publicado

05-01-2026

Como Citar

Martinez, A. L., Nascimento, M. S. do, Santos, L. P. G. dos, Nakao, S. H., & Andrade, A. M. de. (2026). The impact of independent auditors’ tax consulting services on tax litigation. REVISTA AMBIENTE CONTÁBIL - Universidade Federal Do Rio Grande Do Norte - ISSN 2176-9036, 18(1). https://doi.org/10.21680/2176-9036.2026v18n1ID42507

Edição

Seção

Seção 7: Internacional (S7)