ESG products and practice
ESG in Brazil: B3, the ISE index and governance
4 min
ESG in Brazil has its own institutions, strengths and pressure points. For anyone investing in Brazilian equities, a few landmarks are worth knowing.
The ISE B3 index
The ISE B3 (Indice de Sustentabilidade Empresarial) is the Brazilian stock exchange's sustainability index, launched in 2005 — one of the earliest of its kind in an emerging market. It tracks a selection of listed companies judged to have strong ESG practices, chosen through a public questionnaire and methodology that B3 has periodically revised. Inclusion is widely treated as a reputational marker, though, like any index, it is only as good as its criteria.
Governance: the Novo Mercado
On the G pillar, B3's Novo Mercado listing segment is central. Companies that list there commit to higher governance standards than the law requires: a single class of voting shares (one share, one vote), a minimum free float, an independent-director quota, and enhanced disclosure. It was created to rebuild investor trust after a period of weak minority-shareholder protection, and it remains a useful first filter when assessing a Brazilian company's governance.
Why the E and S pillars are sharp here
Brazil's economy gives the environmental and social pillars unusual weight:
- A largely renewable electricity grid (hydro, wind, solar) is a genuine environmental advantage for many local companies.
- But deforestation, land use and indigenous rights create real, headline risk — especially for agribusiness, mining and meatpacking, which depend on export markets that increasingly demand clean supply chains.
Regulation is tightening
The trend is toward mandatory disclosure. The securities regulator (CVM) and B3 have moved to require sustainability reporting aligned with international standards (the IFRS Foundation's ISSB framework), shifting ESG from a voluntary marketing exercise toward auditable, comparable data. For investors, that is the most encouraging development: better disclosure is the only real antidote to greenwashing and inconsistent ratings.
Bringing it together
ESG is a lens, not a verdict. Use the pillars to ask better questions, use ratings and labels as starting points rather than conclusions, read the methodology behind every product, and stay alert to greenwashing. Combined with ordinary discipline on diversification, cost and risk, that critical mindset is what turns ESG from a slogan into a genuinely useful tool.
This content is for educational and informational purposes only and is not investment, financial, tax or legal advice. Trading and investing carry risk, including the possible loss of capital. Any performance shown by third-party tools is hypothetical and not a promise of future results. Do your own research and consider professional advice before making any decision.