Membership of KSE is limited and fixed at 200 and prospective members have to purchase a seat from existing members. The price of the membership seat is freely negotiable between the buyers and sellers which varies according to the interaction of the forces of demand and supply. The KSE does not interfere with these transactions. However, the membership is allowed subject to fulfillment of criteria and qualification laid down by the Board.
Since June 1990, membership has been opened to corporate entities. Corporate members are required to have a minimum paid up capital of Rs. 20 million and are also subject to criteria fixed by the Board.
The Membership of KSE is also available to foreign entities provided that the Nominee Director of the company is a citizen of Pakistan.