This case study analyzes the causes and scope of corruption in Siemen, and suggests principles and management systems to remove bribery and corruption from the organization. The causes of corruption problem in Siemen include money laundering, labor scandal, lack of awareness, and unauthorized transfer of money in different countries. The scope of these problems includes economical loss, damage to public image, and employee trust. The company initiated and investigation, and released a slide show to make the employees aware of the rumors. The principle of anti-bribery situation in include; risk assessment, top level; commitment, due diligence, and effective implementations of anti-bribery system. BS10500 is the management system that can be implemented to remove bribery and corruption.