USI Insurance Services, a provider of risk management, employee benefit and retirement plan consulting, completed the acquisition of the insurance unit of Northwest Bancshares, the holding company of Northwest Bank. Financial terms were not disclosed. "We are thrilled to welcome the clients and talented professionals from Northwest Insurance Services to USI. Partnering together, we look forward to delivering a uniquely exceptional and impactful experience for our current and future clients through the USI ONE Advantage," Michael J. Sicard, USI Chairman and CEO.