The business world is characterised by fierce competition and in order to win new customers and retain the existing ones, the firms have to distinguish themselves from the competition. But they also need to create and maintain a positive public image. A PR specialist or firm helps them both create and maintain a good reputation among both the media and the customers by communicating on their behalf and presenting their products, services and the overall operation in the best light possible. A positive public image helps create a strong relationship with the customers, which in turn increases the sales.