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	Bioland Germany · Tier 2 Trusted	Tún (Iceland) Iceland · Tier 1 Gold	USDA Organic United States · Tier 1 Gold	BioGro New Zealand New Zealand · Tier 1 Gold
What it means	Germany's largest organic farmers' association. Bioland-certified farms operate to a stricter private standard than the EU baseline.	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.	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.	New Zealand's largest organic certifier. Recognised by the EU, US, and Japan under their respective import-equivalence regimes.
Scope	Food	Food	Food	Several categories
Established	1971	1994	2002	1983
Inspection	Annual on-site by Bioland-accredited inspectors	Annual on-site, MAST-accredited	Annual on-site by USDA-accredited certifier	Annual on-site, IFOAM-accredited
Residue testing	Required	Required for at-risk operations	Required on ≥5% of operations annually	Risk-based
Guarantees	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.	≥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).	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. No synthetic pesticides, no GMOs. Annual on-site inspection. Covers food, textiles, and personal care under separate standards.
Does NOT	Like Naturland, membership-based — only Bioland-association farms can use the mark.	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	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.	New Zealand has no single legally-mandated 'organic' definition — voluntary certification is the norm.

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