Vietnam picks UBS, Saigon Securities as advisors for Vinamilk’s 3.3% sale A woman shops for Vinamilk products. Photo from the company's website. Nguyen Thi Bich Ngoc October 5, 2017 PremiumVietnam has hired Swiss financial services firm UBS AG and Saigon Securities Inc (SSI) as advisors for the next stake sale of its biggest listed business, dairy firm Vinamilk. Continue reading this story with a subscription to DealStreetAsia. Subscribe Already a subscriber? Log in Should your colleagues be reading this article too? Contact us for corporate subscriptions at email@example.com.