The research focuses on Sales Promotion effectivenessin Coca-Cola and 7UP Soft drink companies in Lagos, Nigeria.The study is important because of the observable huge budget on Sales promotion in the industry. The study adopted survey reasarch design using structured questionnaire. The maen and percentage value of the respndents were used to analyse data. Findings shaowed sales promotion enhanced sales growth, differentiate product from competitors and advertisng efficiency decline did not increase sales promotion useage..The study concluded that sales promotion is a veriatable tool to achieve marketing promotion objectives. The study contributed to the wholesomeness of sales promotion theory with right track assurance to marketing practitioners. To have competitive advantage, managers by implication must apprecaite sales promotion potency.