The vocal group is currently crossing the U.S. on a holiday tour.
"I’m honored to welcome him to the Republic Records family,” said Republic president and chief operating officer Jim Roppo.
New full-length ‘The Brownprint’ will be released later this month.
The duo, with Beard on the West Coast and Wolter on the East Coast, report in to label president and chief creative officer Wendy Goldstein.
Big Loud will provide country radio promotion and other support for the country superstar's releases.
UMG's label reorganization creates a new paradigm for record label market share, while Warner Records' massive quarter sees it fly up the rankings.
Aside from a trio of artists, the Nashville label's releases had previously gone through Stem and Amped.
Following the formation of the Interscope Capitol Labels Group out west, Republic co-founder Monte Lipman announced a new hub with Def Jam, Island and Mercury.
Department heads in promotion and communications at Interscope and Def Jam are among those who have been let go.
Noah Kahan presented the label of the year award to the label leaders.