The Registrar of Companies (ROC) is an office under the Indian Ministry of Corporate Affairs that deals with administration of the Companies Act, 1956 and Companies Act, 2013.There are currently 22 Registrars of Companies (ROC) operating from offices in all major states of India. Some states, such as Maharashtra and Tamil Nadu, have two ROCs each. Section 609 of the Companies Act, 1956 tasks the ROCs with the primary duty of registering companies and LLPs floated in the respective states and the union territories under their administration.The office of the ROC maintains a registry of records related to companies registered with them, and permits the general public to access this data on payment of a fee. The Union Government maintains administrative control over ROCs through Regional Directors. There are 7 Regional Directors, and they supervise the functioning of ROCs within their respective regions.

The Registrar of Company takes care of company incorporation, company reporting and regulation and their directors and shareholders, and also overseas government reporting of various matters including the annual filling of various documents.