Answer : A single member company can be converted into a private company on increase of the number of its members to more than one.
As a well-known legal500 law firm, most of the overseas Pakistani and foreign companies trust us at Josh and Mak International to resolve their matters on corporate and company law.
We have answered our clients’ most basic questions on Company Registration at this link https://joshandmakinternational.com/company-registration-in-pakistan/
As a foreign company you might also find this link at our website useful https://joshandmakinternational.com/legal-services/special-advice-for-foreign-companies-setting-up-business-in-pakistan/