For those who say that Señores can't be translated as Messrs. Should change Señores to Señores y señoras in the original text and if you can't change because we are just translators, you can't judge another example from
https://wordxltemplates.com/banking-correspondence-letters/Banking Correspondence Letters
MAY 10, 2018by ADMINin LETTERS/EMAILS
Request Letter to Bank for Opening a Current Account
Date: DD/MM/YYYY
Manager
[Bank Name] Ltd,
Dear Sir,
We wish to open a current account in the name and style of [Company name] a registered partnership concern. Please let us know what formalities are to be completed.
Yours faithfully,
[Name here]
Reply from Bank
[Bank Name]
City, State
Date: DD/MM/YYYY
Messrs [Company Name here]
City, State