The main purpose of displaying the catering business as in yellow pages is advertising. Without proper advertising, there is no chance of getting success. Since the business will be new, so there will be different competitors that have already go a strong foothold. To beat them advertising should be attractive enough for people to become a client for the business. Many people search for information's in yellow pages or in similar kind of advertising books. These kind of advertisements would be just perfect for starting new businesses. People can communicate via the phone numbers displayed and get the quotes easily for comparing.
