Connecticut Change of Business Address/File Online is an online service that allows businesses to change their address information with the State of Connecticut. This service can be used to update the address of a business registered with the Secretary of State and the Department of Revenue Services. This service can also be used to update the address of a business registered with the Department of Motor Vehicles. Different types of Connecticut Change of Business Address/File Online include: Business Entity Change of Address, Business Entity Name Change, Business Entity DBA Change, and Out-of-State Business Entity Change. This online service enables businesses to quickly and securely update their address information with the State of Connecticut, helping them remain in compliance with state regulations.