The purpose of this research is to study and analyse the internal and external structure of Ultimate Clean ltd, where I do work. We have put concentration on background of the company in the starting. This information is followed by aim and scope of research, which shows that what is the research question and what is scope of our research. After that Literature review is elaborated under five main subheadings. These subheading gives us deep information about the literature of organisation structure, competitive advantage. After that, Organisational context with internal and external analyse of the company is given which highlight the strengths, weaknesses, threats and opportunities of the company. Some external factors like political, economic, social and legal, are also discussed in this report. Then some information is given for method of research that why we use it, where and when it is used. Some limitations are also discussed in this report of method. After this, result section comes. In this section, we discussed deeply about the answers of customers, employees and employer. We prepare a discussion of the result and conclude it wisely. In the end, some recommendations are also given to improve organisational structure of Ultimate Clean ltd. We suggest a new structure for the organisation to develop within company to have a good competitive advantage in market place. A big list of references is also given in the end of this report.