How to check company registration number in indonesia?

To check a company’s registration number (NIB) in Indonesia:

OSS System → Visit oss.go.id, click “Cari Data”, and search by company name/NIB.
AHU Online → For PT companies, check at ahu.go.id using the company name.
Tax Office (DJP Online) → Verify NPWP at pajak.go.id.

For foreign companies (PMA), contact BKPM; for local firms, check with the Ministry of Trade.