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	Soil Association Organic United Kingdom · Tier 2 Trusted	Non-GMO Project Verified United States · Tier 3 Specialty	Tún (Iceland) Iceland · Tier 1 Gold	Bioland Germany · Tier 2 Trusted
What it means	The UK's largest organic certifier. Standards are stricter than the UK government's baseline (which still mirrors EU 2018/848 post-Brexit). Recognised by the EU and USA under equivalence.	North America's leading 'no genetically modified organisms' certification. Tests for the presence of GMOs in finished products. NOT organic.	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 largest organic farmers' association. Bioland-certified farms operate to a stricter private standard than the EU baseline.
Scope	Several categories	Food	Food	Food
Established	1946	2010	1994	1971
Inspection	Annual on-site, UKAS-accredited	Annual third-party audit + lab testing	Annual on-site, MAST-accredited	Annual on-site by Bioland-accredited inspectors
Residue testing	Risk-based	GMO testing only (not pesticide)	Required for at-risk operations	Required
Guarantees	Stricter-than-baseline organic standards across food, textiles, cosmetics, and farming. Annual on-site inspection. Animal welfare standards (outdoor access, lower stocking density).	Verified absence of GMO ingredients (with action thresholds, not zero tolerance). Annual third-party verification. Tracing and segregation across the supply chain.	≥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).	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	Logo is trademarked — not a free-licence mark.	Doesn't mean organic — Non-GMO products can use synthetic pesticides and fertilizers freely.	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Like Naturland, membership-based — only Bioland-association farms can use the mark.

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