Who owns Oishi Green Tea?
Oishi Green Tea is owned by ThaiBev (Thailand, SGX: Y92), which has owned the brand since 2008.[1]
ThaiBev owns 98.5% of Oishi Green Tea rather than all of it.
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: Thai Beverage — Annual Report 2025, Thai Beverage Public Company Limited. Last checked .
Key facts
- Current owner
- Thai Beverage Public Company Limited (98.5% stake) reported
- Owned since
- Owner HQ
- 🇹🇭 Thailand
- Origin
- 🇹🇭 Thailand
- Category
- Beverages › Soft drinks › Ready-to-drink tea & coffee
- Parent ticker
- SGX: Y92
- Last verified
- · 1 sources
About Oishi Green Tea
Oishi Green Tea is a Thai bottled green tea from Oishi Group, which ThaiBev acquired in 2008 and now holds at 98.50 per cent. ThaiBev reports that it leads the Thai ready-to-drink tea market, and in 2025 it promoted the calming effect of L-theanine and launched a 10-baht 280ml bottle for price-conscious consumers.
Ownership timeline of Oishi Green Tea
Where Oishi Green Tea sits in ThaiBev
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full ThaiBev ownership tree →
See the full ThaiBev brand portfolio (18) →
Other brands owned by ThaiBev
ThaiBev controls 18 brands on Brandtree, 18 of them in beverages.
Also in beverages
- 333 (1949)
- 333 Pilsner
- anCnoc
- Balblair (1790)
- Bia Lac Viet (2020)
- Bia Saigon
- Bia Saigon Chill
- Bia Saigon Special
- Chang (1995)
- Crystal (1993)
- est (2012)
- Larsen Cognac (1926)
- Old Pulteney (1826)
- Phraya
- PRAKAAN (2024)
- Speyburn (1897)
- The Cardrona
Other brands in ready-to-drink tea & coffee, and who owns them
The 40 brands in ready-to-drink tea & coffee on Brandtree belong to 31 owners. The largest is Coca-Cola, with 3.
| Brand | Owner | Owner based in |
|---|---|---|
| Ayataka | Coca-Cola | 🇺🇸 United States |
| East Leaf | Nongfu Spring | 🇨🇳 China |
| Cordia | Ghanim International | 🇧🇳 Brunei |
| Barista Rules | Maeil Dairies | 🇰🇷 South Korea |
| Hatsu | Postobón | 🇨🇴 Colombia |
| VITA | Vitasoy | 🇭🇰 Hong Kong |
| Justea | Yeo's | 🇸🇬 Singapore |
| Free Tea | AJE | 🇵🇪 Peru |
About the owner: ThaiBev
ThaiBev is a publicly listed company headquartered in Thailand, founded in 2003. Brandtree records 18 brands under its control, and it is listed as SGX: Y92.
ThaiBev was established in 2003 as a holding company for Thailand's spirits and beer businesses and listed on the Singapore Exchange in 2006. It reported sales of Baht 333,286 million for the year to September 2025 across spirits, beer, soft drinks and food. It owns Chang beer, Oishi and est, the Scotch whiskies of Inver House, and controlling stakes in Vietnam's SABECO, Myanmar's Grand Royal Group and, since an October 2024 share swap, about 70 per cent of Singapore's Fraser and Neave.
🇹🇭 Oishi Green Tea and other Thai brands
Brandtree records a controlling owner for 76 brands that began in Thailand. 6 of them (8%) are now controlled by a company headquartered in another country; Oishi Green Tea is not one of them.
- All Coco — Sappe 🇹🇭
- Carabao Dang — Carabao Group 🇹🇭
- M-150 — Osotspa 🇹🇭
- 3BB — AIS 🇹🇭
- After You — After You 🇹🇭
- Anantara Hotels & Resorts — Minor International 🇹🇭
Frequently asked questions
Who is the parent company of Oishi Green Tea?
The parent company of Oishi Green Tea is ThaiBev, a publicly listed company headquartered in Thailand.
Is Oishi Green Tea Thai?
Yes. Oishi Green Tea originated in Thailand and its owner, ThaiBev, is also headquartered in Thailand.
Since when has ThaiBev owned Oishi Green Tea?
ThaiBev has owned Oishi Green Tea since 2008.
Is Oishi Green Tea still owned by ThaiBev?
Yes. As of 16 September 2026, Oishi Green Tea is still owned by ThaiBev (98.5% stake). The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Thai Beverage — Annual Report 2025 — Thai Beverage Public Company Limited, Annual report; retrieved 16 September 2026.
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