I can review your current excel file and speed it up with best suitable approach and complete functionality remains same. Please find below a brief introduction of myself.
I am postgraduate with more than 6 years of experience in advanced excel based tools, VBA automation, google scripting and data processing. I have successfully completed similar projects, please have a look at my portfolio for details.
I have developed excel based automation tools for Ernst & Young also.
You can get your work done here with highest quality at lowest price.
Looking forward to work with you