BIN with Outsourcing To get a business in the correct flow, a Business Identification Number(BIN) is a must. This BIN number is a must to sustain a normal business operation including the service rendering, documents requisite, manufacturing withholding entities, export-import, custom, and regulating the VAT registration procedure of the National Board of Revenue. Website : https://www.outsourcing.com.bd/obtain-bin-number-in Contact us: Email: [email protected] +(88) 09606 999121