above board

US /əˈbʌv bɔrd/
UK /əˈbʌv bɔrd/
"above board" picture
1.

transparente, honesto, legal

legitimate, honest, and open

:
All their business dealings are completely above board.
Todos os seus negócios são completamente transparentes.
We need to make sure everything is above board before we sign the contract.
Precisamos ter certeza de que tudo está em ordem antes de assinarmos o contrato.