Walt Disney Co. and Microsoft Corp.'s Skype unit are among hundreds of companies that benefited from lower taxes through “secret” deals with Luxembourg, according to a new report by a group of investigative journalists.

Confidential documents released by the group show that Hong Kong-based Hutchison Whampoa Ltd. and private equity firm Warburg Pincus LLC also are among the international companies that have benefited from arrangements in the country allowing them to cut their tax bills. The International Consortium of Investigative Journalists posted the documents on its website late Tuesday.

More than 340 companies have transferred profits to Luxembourg using complicated tax arrangements, the group of more than 80 journalists said in a report on Nov. 5, which reviewed almost 28,000 documents and identified companies such as PepsiCo Inc., Ikea Group and FedEx Corp. Some corporations effectively lowered their tax bill to less than 1 percent of profit, the group said.