Contracting with Hennepin County. We buy goods and services through a cost-effective, competitive, and fair process accessible to all businesses.Browse 19 Hennepin County, MN Retail Businesses available for sale on BizBuySell. Learn how to contract with Hennepin County and find requirements for operating a business including building permits, licenses, recycling, and property. Browse 83 businesses for sale in Hennepin County, MN on BizBuySell. Sales Tax applies to most retail sales of goods and some services in Minnesota. Features on the portal include online application and renewal forms, electronic payment options, license look-up links, and detailed contact information. We can help you complete licensing requirements for your Minneapolis business. There are generally five steps involved in the process of buying or selling a Minnesota business. The business buyer must search for undisclosed tax liens before completing a purchase agreement.