| Company | Rating | Agency | National Scale | Global Scale | Outlook | Date |
|---|---|---|---|---|---|---|
| BRK Ambiental | Corporate | Moody´s | Aa3.br | Ba2 | Stable | 2018/05/11 |
| Saneatins | Issuance | Moody´s | Aa3.br | Ba2 | Stable | 2018/11/9 |
| Aquapolo | Issuance | Fitch | A-(bra) | – | Stable | 2018/07/3 |
| Manso | Issuance | Fitch | AA-(bra) | – | Positive | 2018/05/21 |
| Saneatins | Issuance | Fitch | A-(bra) | – | Stable | 2018/03/22 |