One of the main advantages of working through a prop firm is the absence of personal tax confusion with a lot of small transactions, because you receive payment for services. The company simply transfers your percentage of profit to you as a contractor, which greatly simplifies reporting. I read about the legal nuances and format of cooperation with various platforms at https://supertrade.com/blog/best-funded-trading-programs/. It is convenient, transparent and eliminates the need to collect hundreds of statements from the trading terminal. For me, as an individual entrepreneur, this format turned out to be the simplest.