From Longman Dictionary of Contemporary EnglishBetter Business Bureau, thethe Better Business BureauˌBetter ˈBusiness ˌBureau, the trademark a US organization for businesses and their customers. When customers believe they have been treated unfairly by a company or have bought a bad product, they often ask the Better Business Bureau for advice.From Longman Business DictionaryBetter Business BureauˌBetter ˈBusiness ˌBureau abbreviation BBB noun [countable]COMMERCEORGANIZATIONS in the US, a local organization, belonging to a national group of similar organizations, that gives advice and information to companies and consumers, and helps to get complaints by customers dealt with