Yes !! It’s possible but make sure you have an offer letter for being an IT person as daily rate, for others categories hope it may not required !!!

Note: The above statement is for when you are not having PR in hand and it always cost you upto 1200 to 1400 Euro

Applying Professional card 180 Euro

VAT 40 Euro

Cross banks account depends on bank to bank

Asking for future plan to an accountant depends on your plan.

For applying professional card there are some companies that can help you to submit it for Ministry

https://www.partena-professional.be/en

https://www.acerta.be/nl

https://www.liantis.be/nl

https://www.securex.be/nl

Correct me if I am in wrong direction.

For more details : https://www.istartmybusiness.be/topic/en/start_up_topics/running_a_business_as_a_foreigner_in_belgium/the_professional_card_for_foreign_self-employed_persons