The acquisition is aimed to expand Atos’ client portfolio and expertise in cybersecurity services. Toronto-based Tier1 Financial Solutions acquires Alessa Toronto-based Tier1 Financial Solutions, which offers customer relationship management solutions for the capital market and investment banking industries, has acquired another Toronto-based firm, Alessa, which has developed a compliance and financial crime prevention solution. Following the deal, Alessa will become part of the Tier1 branded product suite. The financial terms of the transaction were not disclosed. Following the deal, Alessa will become part of the Tier1-branded product suite. Andrew Simpson will remain as chief operating officer of Alessa, reporting to Jiro Okochi who assumed the CEO role of Tier1 Financial Solutions on January 1.