Anything you need to build in Excel, especially business' oriented spreadsheets. I'm an Excel expert, specialized in building user-friendly spreadsheets and find solutions for your problems using Excel. I have a deep knowledge of formulas and functional tools (from conditional formatting to form controls) and a basic knowledge on macros. I can also write articles and blog posts related to Excel, its formulas and general tips for all levels of users. Pricing will depend of levl of complexity of your project.