Brazil’s 2025 Tax Reform marks a historic turning point in the country’s complex fiscal system. After decades of overlapping and inefficient taxes, the reform seeks to simplify consumption taxation, reduce bureaucracy, and create a more transparent and business-friendly environment. Yet, achieving these goals will require deep operational and technological adaptation from companies.
1. Simplification through a Dual VAT System
At the core of the reform is the creation of a dual VAT model, which replaces five existing taxes (PIS, Cofins, IPI, ICMS, and ISS) with two main levies:
- CBS (Contribuição sobre Bens e Serviços) – a federal tax replacing PIS/Cofins.
- IBS (Imposto sobre Bens e Serviços) – a unified state and municipal tax replacing ICMS and ISS.
Both are non-cumulative, allowing tax credits on prior stages of production. A Selective Tax (IS) will also apply to products harmful to health or the environment.
The goal is clear: reduce distortion and align Brazil’s system with international VAT models. However, companies will need to overhaul their systems, pricing structures, and compliance routines to operate efficiently under the new rules.
2. A Gradual and Complex Transition
Implementation will occur over several years:
- 2026 – trial period for CBS;
- 2027 – full adoption of CBS (replacing PIS/Cofins);
- 2029 – gradual introduction of IBS (replacing ICMS/ISS);
- 2033 – full consolidation of the new model.
This long transition creates a hybrid period where old and new taxes coexist — increasing short-term complexity. As CLM Controller notes, companies must manage two systems simultaneously, updating ERPs, invoices, and compliance processes.
3. Operational, Technological, and Human Impacts
According to Thomson Reuters, most corporate tax teams see technology as the top priority. Businesses are investing in ERP modernization and automation to handle new e-invoicing and data-reporting requirements.
At the same time, training remains essential. Accounting and tax professionals will need to understand new codes, rates, and credit mechanisms to avoid compliance risks. Contract revisions will also be critical to ensure proper tax incidence and price transparency under the new regime.
4. Simples Nacional and Strategic Choices
The Simples Nacional will remain, but with adjustments. Companies can either:
- Stay fully in the Simples, paying all taxes via the unified DAS; or
- Pay CBS and IBS separately to take advantage of tax credits.
Choosing the right model will depend on each company’s structure, customer base, and credit potential — a strategic decision that can impact competitiveness and cash flow.
5. Sector Impacts and Opportunities
The combined CBS + IBS rate is expected to range between 25% and 27%, but real impacts will vary. Industrial sectors with significant input taxation may benefit from credits, while service and retail businesses might face higher effective rates. Essential goods and services — such as food, health, and education — will receive reduced or zero rates, while environmentally harmful products will face selective taxation.
6. How Companies Should Prepare
Both Thomson Reuters and CLM Controller converge on one message: preparation must begin now. Businesses should:
- Create a cross-functional task force (tax, finance, IT, legal);
- Map current tax exposures and simulate impacts;
- Upgrade ERP and e-invoicing systems;
- Train staff and review contracts;
- Closely monitor regulatory updates and technical rules.
Brazil’s 2025 Tax Reform promises long-term simplification, but the transition will be demanding. It is not merely a legal shift — it’s a full-scale business transformation.
Companies that act early, modernize their systems, and train their teams will not only ensure compliance but gain a lasting competitive advantage in the new tax era.
Written by Paola Von Atzingen, from the Drummond Advisors team