Porte Brown LLC is a full service accounting and consulting firm headquartered in the Chicago suburb of Elk Grove Village, Il ... linois. For more than 75 years, Porte Brown has focused on the highest level of service to individuals, businesses and organizations throughout the region. In addition to the traditional accounting services, such as tax planning and preparation, audit, business valuations, and retirement plan administration, Porte Brown also provides strategic consulting and leading-edge technology implementation for clients in cloud and non-cloud environments. read more