Malta responsible for almost 2% of global corporate tax abuse risks Only 50% of companies comply with the obligation to submit annual accounts to a government authority, according to the Tax Justice Network annual corporate tax haven index 7 May 2021, 11:37am by Nicole Meilak Malta has been ranked 21st in Tax Justice Network’s Corporate Tax Haven Index, making the island’s financial services centre responsible for 1.72% of the world’s corporate tax abuse risks. The tax haven index, in which governments siupply TJN with answers on their international tax rules, is a measure of any jurisdiction’s tax systems allowabce for corporate tax abuses.