 | This article needs additional citations for verification. (November 2012) |
 Logo | |
| Zest-O | |
| Formerly | SEMEXCO Marketing Corporation (1980–1995) |
| Company type | Private |
| Industry | Food Beverage |
| Founded | January 16, 1980 |
| Founder | Alfredo Yao |
| Headquarters | 574 EDSA, , Philippines |
Area served | Worldwide |
Key people | |
| Products | |
| Brands | Zest-O Plus Sunglo Beam Quickchow |
| Revenue |  ₱2 million (2021) |
Number of employees | 1,000 (2022) |
| Website | www |
| Type | Fruit juice |
|---|---|
| Manufacturer | Zest-O Corporation |
| Country of origin | Philippines |
| Introduced | January 16, 1980 |
| Website | www |
Zest-O Corporation, commonly known as Zest-O, is a Philippine privately held food and beverage company based in Caloocan. It was founded in 1980 by the businessman Alfredo M. Yao.