HTML or Wordpress ?

Hey, I'm looking to design a website to offer https://customthesis.org/ (example). I wish to know which platform to choose. HTML or Wordpress? Which one is beneficial for me to build business?

Well, that's completely up to you and what you find easier to build, if you decide to go with standard HTML web page, you can use one of the embed methods: https://www.jotform.com/help/67-Which-Form-Embed-Code-Should-I-Use

If you decide to go with Wordpress you can check this guide: https://www.jotform.com/help/324-A-Guide-to-Embed-Forms-for-WordPress-Users

Let us know if you have any further questions.

Thank you!