Dear Sir/Madam,
This email is in reference to the agreement signed on date ___/___/_____ (date) regarding _________ (construction/any other). As per the contract, you have committed that the project will be completed by the end of ______ (mention month) but unfortunately, your team members failed to do so.
It is very disappointing to know that your company has failed to complete the project. I have never expected this unprofessional behaviour from your side. I hope that you will speed up the process and do the needful at the earliest.
I am looking for a quick and positive response from your end.
Regards,
___________ (Name)
___________ (Contact Details)