Domain Registration Singapore increases customer trust because only legally registered businesses in Singapore or Singaporeans can register. Moreover, a Singapore domain increases customer trust because only legally registered businesses in Singapore or Singaporeans can register. Better Search Ranking in Singapore, Local Market recognition for your business, Boost Customer Trust and confident, More availability for your business name.a Singapore country code top level domain is now extremely popular among registered Singapore businesses as it shows the identity of Singapore, a land of great business opportunities and wealth.