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	Demeter International Global · Tier 2 Trusted	Tún (Iceland) Iceland · Tier 1 Gold	Orgánico Argentina Argentina · Tier 1 Gold	Soil Association Organic United Kingdom · Tier 2 Trusted
What it means	The certification mark for biodynamic agriculture. Stricter than any government organic standard: it covers the entire farm as a closed ecosystem, follows a planting calendar tied to lunar/solar cycles, and bans many practices the baseline organic rules permit.	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.	Argentina's national organic mark under SENASA (National Food Safety and Quality Service). Implemented as a label in December 2012 under Law 25.127 (1999).	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.
Scope	Several categories	Food	Food	Several categories
Established	1928	1994	2012	1946
Inspection	Annual on-site by Demeter-accredited inspectors	Annual on-site, MAST-accredited	Annual on-site, SENASA-accredited	Annual on-site, UKAS-accredited
Residue testing	Risk-based on top of organic	Required for at-risk operations	Required	Risk-based
Guarantees	All organic standards PLUS biodynamic preparations and whole-farm planning. Whole-farm certification (not single fields/products). Annual on-site inspection by Demeter-accredited inspectors. Animal welfare standards stricter than baseline organic.	≥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).	Compliance with Argentine Law 25.127. Annual on-site inspection by SENASA-accredited certifier. Recognised as equivalent to EU + USDA organic under bilateral agreements.	Stricter-than-baseline organic standards across food, textiles, cosmetics, and farming. Annual on-site inspection. Animal welfare standards (outdoor access, lower stocking density).
Does NOT	Biodynamic philosophy includes esoteric elements (lunar planting, herbal preparations) that many scientists view as non-evidence-based — the agronomic outcomes are still good, the underlying claims about cosmic forces are not testable.	There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.	Domestic recognition only — exports use the buyer's national mark (USDA, EU Leaf) under equivalence.	Logo is trademarked — not a free-licence mark.

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