People's United Financial, the holding company for People’s United Bank, has completed the acquisition of Suffolk Bancorp, banking services provider for $402m. “We are proud to welcome Suffolk County National Bank to People’s United Bank. With the 9th largest market share in Suffolk County, a solid relationship-banking approach and loyal, long-tenured customers, Suffolk County National Bank’s strong Long Island presence complements our previous acquisitions and organic growth in the New York Metro area.” Jack Barnes, People’s United Financial President and Chief Executive Officer.