This study examines the differences between in-house and external company secretary’s job functions and competencies and whether type of company and size of company moderate the relationship between job functions and competencies as well as in-house or external company secretary. The hypotheses development of this study are developed based on prior studies in Malaysia and internationally. It should be noted that not many research have been done on this topic especially in Malaysia which focus on in-house and external company secretary job functions and competencies. A set of questionnaire is developed for the purpose to collect the data for this research. A total number of 196 respondents which comprised of 97 respondents from public listed companies as well as 99 respondents from private companies and small firms located in Klang Valley. The company that involved in the study comes from various size and industry type. Convenience sampling technique as the sampling technique and secondary data was used in the collection of data. We used standard SPSS statistical 20.0 measures for the development of a structured tables and graphs in producing the information. Durbin watson, one way ANOVA and process macro developed by Andrew Hayes were used to tested the hypotheses in this study. The graphical and table will support all the result from the analysis. Based on the mean statistic and regression analysis it appears that there is no difference between in-house and external company secretary’s job functions and competencies. The study also found that size and type of company did not moderate the relationship between job functions, job competencies of in-house or external company secretary. The results of this study can help board of directors, human resource manager, shareholders and member of the public to understand the job functions and competencies of in-house and external company secretaries in Malaysia. In addition, the study can help to promote and enhance the roles of company secretaries in leading governance.