Dear Sir/Madam,
I’m happy to help you on this task. I’ve read your brief and happy to discuss the project in more detailed. I am highly qualified for this project as I have good background in investment banking, and have already done lots of similar dynamic excel based financial models for various clients and businesses.
If you'd like to view my qualifications, experience and previous work, take a look at my Freelancer Portfolio, and if you are comfortable with those please contact me.
I assure you that I will go beyond your expectations.
I look forward to hearing from you.
Best regards,