How to register your business under sole proprietorship in the Philippines

Requirements

1. Certificate of Business Name Registration from the Department of Trade and Industry (DTI).
2. Barangay/Municipality/Regional clearance, depending on the scale and scope of intended operations.
3. Business permit from the local mayor's office. This is where you'll get the plaque to display in your store.
4. Business tax identification number (TIN). Better ask a book keeper or accounting services to to this.

Procedure:

1. Obtain a business name registration certificate by registering your business to DTI. You can search here http://www.bnrs.dti.gov.ph/web/guest/registration to verify that your desire business name is still available.
   
2. Obtain a Brgy/Municipal/Regional clearance from local government are where you will setup your operation.  Normally it starts on Barangay level, so visit your nearest Brgy hall.
   Requirements:
1. Business name registration certificate
2. Two valid IDs
3. Proof of address of business location (eg. Meralco)
3. Go to the mayor's office in order to secure a business permit in the municipal level.
   Requirements:
1. Business name registration certificate
2. Map/sketch of location where your business will be located
3. Two valid IDs
4. Community tax certificate (CTC)
4. Go to the Bureau of Internal Revenue (BIR) district office where your business will be located.
   Requirements:
1. Barangay clearance
2. Business name registration certificate
3. Mayor's permit
4. Proof of your business address (e.g. Meralco)
5. Book of accounts, to be stamped by BIR (can be purchased in National Bookstore)
6. Receipts and invoices from BIR accredited print shops, to be stamped by BIR (find a book keeping service near you for help).
5. Obtain a TIN.
6. Fill out an application form for a Certificate of Authority to print receipts and invoices.
7. Have your Book of Accounts, receipts and invoices stamped by BIR.
8. Apply as self-employed member of the Social Security System (SSS).