Home Question: How do I inform ACRA of a change in company name? Answer: To change your company’s name, log on to www.bizfile.gov.sg. Under “File eServices”, click on Local Company > Make Changes > Change in Company Information including Appointment/Cessation of Company Officers/Auditors within 14 days of change.The application to change your company’s name costs $15. Upon approval, you must file a Notice of Resolution to effect the change.To file a Notice of Resolution, under "File eServices", click on Local Company > Make Changes > Notice of Resolution. This transaction is free of charge.