While you applying for Pakistan Business Visa you have to know about the Pakistan Business Visa Requirements before filling the application form:-
1-For Traveling to Pakistan you have a valid passport. And the passport validity is at least 6-months from the date of arrival.
2- A current photograph that you capture in 3 months.
3- Invitation letter of the company who is inviting you and the company is registered in Pakistan and has SECP or Chamber of commerce certification.
4- A recommendation letter by an honorary counselor of Commercial Attaché or BOI.