How it started
History
In 2000, Atento was launched in Spain, when Telefónica grouped its call center business in Spain and other Latin American countries into a subsidiary business unit.
Sale and flotation
In October 2012, Telefónica agreed to sell Atento to Bain Capital for $1.3bn. Under the terms of the deal, Atento would continue to provide services to the Telefónica Group for at least nine years after the agreement.
IPO
In September 2014, Atento announces launch of Initial Public Offering (IPO). In October, the company filed with the U.S. Securities and Exchange Commissions for a $300 million IPO. Atento hired the investment-banking units of Morgan Stanley & Co (MS.N), Credit Suisse Group AG CSGN.VX and Brazil's Itaú Unibanco Holding SA (ITUB4.SA) to handle the transaction.
From Wikipedia’s article on Atento, shared under CC BY-SA 4.0.3