Starkweather & Shepley Insurance Brokerage Inc. bought Massachusetts-based independent insurance agency McGrath Insurance Group.

McGrath Insurance Group operates in Sturbridge and Spencer. In connection with the acquisition, McGrath Insurance Group will run its operations as McGrath Insurance Agency, a division of Starkweather & Shepley.

Rhode Island-based Starkweather & Shepley is an independent agency that provides commercial insurance, personal insurance, health and employee benefits, surety bonding and risk management service.