The acquisition, which includes an interactive sibling shop in Cambridge, Thunder House, marks McCann's entry into public relations.

A sibling shop, Blueberry Frog, will handle interactive and "guerrilla" marketing.

A sibling shop, Wolf/Rochester, handles other Canandaigua brands like Estate Cellars.

Lowe's sibling shop, Lowe Howard-Spink, London, already handles CIC Video's account in Britain.

This time, McCann-Erickson/A&L is turning to a sibling shop to fill the post, which became vacant in February when Steve Sweitzer left after only five months.

Executive changes had been expected since October, when parent Saatchi & Saatchi brought the agency under the umbrella of a sibling shop, Backer Spielvogel Bates.

Cordiant, meanwhile, is dismantling a failed third worldwide network that had been centered on Campbell Mithun and a sibling shop in London.

Temerlin McLain in Irving, Tex., a sibling shop of Bozell, continues to handle the creative part of the account.

Y.& R. New York will bring in a sibling shop, Wunderman Cato Johnson in Chicago, for sales promotion and merchandising assignments.

Scali's sibling shop, the Martin Agency of Richmond, handles the regional portion of the account.