Department of Trade and Industry (DTI) This is where you register if your enterprise is a single proprietorship. The agency will issue a certificate of registration of business name. Securities and Exchange Commission (SEC) If your enterprise is a partnership or a corporation, this is where you will register.
Source: http://invest.cfo.gov.ph/
So we focus on SEC.
1. Go to SEC search page HERE.
2. Click on the "Proceed >>>" on the lower right portion.
3. Input Company/Corporation/Business name in the box provided in *Enter Company Name:
4. Click on whichever is suited in Company/Corporation/Business name your looking.
5. Click the "Search" button.
6. The business name should appear below the image below;
