Wealth management company Wilmington Trust has added three senior wealth advisors to its wealth advisory services team in Boston.

The new appointments come after the firm  agreed to be acquired by M&T Bank for $351 million in stock in November. The acquisition deal came after part of Wilmington’s business struggled with its banking business loan portfolio.

The Delaware company hired ChristopherT. Casey, Michael F. Hoyt and Beckett Wailes. Casey joins Wilmington as a ninvestment advisor. He was a senior vice president, portfolio manager and director of equity research at Boston Private.

Hoyt will serve as a portfolio manager, after serving as a senior vice president and senior portfolio manager at Boston Private. And Wailes has been named a portfolio manager, after previously serving as a senior vice president and senior portfolio manager at Boston Private.

Wilmington has been workingto to expand its Northeast presence this year, most recently adding three former Merrill Lynch advisors to its New York team in October.

Wilmington’s three new hires come from Boston Private Bank & Trust Co. and will be based in the Boston office of William Trust FSB. All three will focus on high-net-worth individuals, families and foundations, with duties including asset allocation, client reporting, investment strategy implementation and security selection.