Hello,
we got very sound experience on WordPress and surely able to help you for order form, I have checked the excel sheet, screenshot and your current site and understand the job very well.
we are small team of developers and do most of work on WordPress only and would love to build long term business relationship.
please see our Freelancer profile https://www.freelancer.com/u/Lxtech.html for past track history, we have sound track history with 500+ completed projects.
Best Regards,
Lx