AB InBevBrunswick Group handles media for Anheuser-Busch InBev's takeover approach to SAB Miller, a proposed deal to unite the two top global beer companies would create a $70B colossus.

A-B InBev, which is headquartered in Leuven, Belgium, released a statement Sept. 16 to confirm it made an overture to SABMiller's board regarding a combination of companies and its desire work closely with the directors to complete a deal.

The marketer of Budweiser, Skol, Corona and Stella Artois, which generated $47B in 2014 revenues, warned that it's uncertain of its takeover success.

SAB issued a statement to note press speculation about a takeover and acknowledge AB-InBev's inquiry. A-B InBev has until Oct. 14 to make a firm offer.

The $22B maker of Peroni, Pilsner Urquell, Grolsch and investor in MillerCoors said its suitor has not yet made a formal proposal.

Brunswick's Steve Lipin (New York) and Richard Jacques (London) represent A-B Bev, while SAP Miller's Christina Mills (group communication director) and Richard Farnsworth (business media relations manager) work the media for the London-based brewer.