Mondiale VGL Owners Said Preparing to Kick Off $600 Million Sale

Mondiale VGL Pty’s owners are gearing up to kick off a sale of the freight-forwarding firm as soon as September after seeing chances of an initial public offering diminish, people with knowledge of the matter said.

Shareholders are working with advisers including UBS Group AG as they to prepare to gauge interest from potential buyers, according to the people, who asked not to be identified as the information is private. Mondiale could be valued at more than NZ$1 billion ($600 million) in a sale, the people said.

The founders of Mondiale’s predecessor firms, John Sargent and Vittorio Tarchi, own ...