Service Brand Credibility and consumer loyalty are the most significant factors and attitude plays important role as a mediator to enhance consumer loyalty in service sector. Companies now have to consider credibility for developing brand image. Now, trend has started for transferring credibility in brands by receiving support of different credible sources like brand celebrities. Managers of a firm should consider these factors while crafting brand strategies especially marketing strategy for a brand. They should realize more credible the source is more will be the chance to increase the level of loyalty among consumers for a specific firm. Moreover brand credibility affects consumer loyalty positively and directly. Managers and savvy marketers should focus areas that encourage positive attitude among consumers as more positive attitude creates more loyal consumers for a specific service brand.