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	USDA Organic United States · Tier 1 Gold	Tún (Iceland) Iceland · Tier 1 Gold	Bio-Siegel (Germany) Germany · Tier 1 Gold	Bioland Germany · Tier 2 Trusted
What it means	The US Department of Agriculture's national organic standard. The green-and-white seal is the legal mark for any food sold as 'organic' in the United States.	Vottunarstofan Tún is Iceland's only accredited organic certifier. Accredited by MAST (Matvælastofnun) under the EU 2018/848-equivalent Icelandic standard, so a Tún-certified product is also recognised as EU-organic.	Germany's national organic mark, owned by the Federal Ministry of Food and Agriculture. Sits alongside the EU Leaf on most German organic packaging since 2001. Same standard as the EU Leaf — Bio-Siegel is the brand consumers recognise.	Germany's largest organic farmers' association. Bioland-certified farms operate to a stricter private standard than the EU baseline.
Scope	Food	Food	Food	Food
Established	2002	1994	2001	1971
Inspection	Annual on-site by USDA-accredited certifier	Annual on-site, MAST-accredited	Annual on-site by EU-accredited German control body	Annual on-site by Bioland-accredited inspectors
Residue testing	Required on ≥5% of operations annually	Required for at-risk operations	Risk-based	Required
Guarantees	At least 95% of ingredients are certified organic (the '100% Organic' variant requires every ingredient). No synthetic pesticides, no synthetic fertilizers, no GMOs, no sewage sludge, no irradiation. Annual on-site inspection by a USDA-accredited certifier. Residue testing on at least 5% of certified operations each year.	≥95% organic ingredients per EU rules. No synthetic pesticides, no GMOs. Annual on-site inspection. Animal welfare standards (outdoor / pasture access, geothermally-warmed greenhouse compatibility for vegetables).	EU baseline organic (EU 2018/848). Annual on-site inspection by accredited German certifier.	Whole-farm conversion (no parallel conventional production). Lower permitted nitrogen inputs than EU baseline. Animal welfare standards stricter than EU baseline. Annual on-site inspection.
Does NOT	Doesn't certify nutrition, taste, or animal welfare specifically (separate marks like AWA cover welfare). Doesn't guarantee local production — a 'USDA Organic' product can be grown anywhere with an accredited inspector.	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Same standard as the EU Leaf — not stricter.	Like Naturland, membership-based — only Bioland-association farms can use the mark.

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