When it comes to a legit business, we all know that these should be registered with the commerce chamber from the country you live in to be eligible to pay the afferent taxes. These taxes varies from country to country, while in the European Union can be anything between 10% to 37%, in other countries, it is much lower.
When you register a company, you may encounter the fact that this process is not that simple. Now, there are various businesses that help you register your business. Many of them have an online presence, too, like this Singapore Company Registration website.
If I were you, I would contact a company like that. Yes, you may spend a dime, but you gain a lot of time.