Do you have any experience in a business developing? I need some advices
I have such experience because I have a successful business in a sphere of a traveling. And I can say that it is really important to have a software of a high quality. Personally I work with https://mangosoft.tech/ I can say that they are the best in this sphere. You can turn to this company if you need it.
Please, precise, what do you need?
I develop a web application for companies since 2014. My experience is various. Have a look at some blogs related to this issue. Have a look at Web development blog