Quality Certificates


AIYA has been producing organic teas since 1978. Yoshio Sugita, AIYA’s fourth generation president, and our award-winning tea maker Tetsuo Ishikawa are pioneers of organic tea cultivation in Japan.

Decades of belief in the original quality of our Japan teas pays off: AIYA is the only tea company in Japan that can offer its teas worldwide as certified organic products.

Our products are EU BIO, NOP BIO and JAS (Japan) certified organic. In addition, AIYA has independent branches in each major world region, which can take over the bio-import and offer locally certified organic products.

Here you can see our certificate of Ecocert IMO GmbH, Switzerland


In parallel to its deliberate organic matcha production, AIYA also takes customer safety very seriously. For decades the aiya – THE TEA matcha teas have been tested for pesticides, heavy metals and other contaminants. Since 2012 many more measuring processes have also been applied, through which the tea is tested for radioactive residues in a Hamburg laboratory. Our customers can be certain: all AIYA products are uncontaminated.

You can see an example report for our matcha here. Please contact us if you need a report for your order.

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