The time taken by incorporation services singapore to register a company could be less than a day. However, it could take roughly 14 days to two months as well provided the application requires to be referred to another government agency for approval according to the list of referral authorities.
There could be chances where the registrar may refuse to register a potential company. These would be inclusive of the company used for unlawful purposes, prejudicial to public peace, good order, or welfare, and contrary to national interest or security. However, a person could within 30 days from the date of decision, appeal to the Minister. The Minister would have the final decision in the matter.