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Australian Certified Organic logo
Australian Certified Organic
Australia · Tier 1 Gold
Bio Suisse 'Knospe' (Bud) logo
Bio Suisse 'Knospe' (Bud)
Switzerland · Tier 2 Trusted
Tún (Iceland) logo
Tún (Iceland)
Iceland · Tier 1 Gold
What it meansAustralia's largest organic certifier, accredited under the Australian National Standard for Organic and Bio-Dynamic Produce. The bud-and-leaf logo is the most-seen organic mark in Australian supermarkets.The Swiss organic farmers' federation mark. The Knospe (Bud) is the dominant organic mark in Swiss supermarkets and operates to standards stricter than the Swiss federal organic ordinance.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.
ScopeFoodFoodFood
Established200219811994
InspectionAnnual on-site, ACOS-accreditedAnnual on-site, bio.inspecta accreditedAnnual on-site, MAST-accredited
Residue testingRisk-basedRequiredRequired for at-risk operations
Guarantees
  • ≥95% organic ingredients.
  • No synthetic pesticides, no GMOs.
  • Annual on-site inspection.
  • Animal welfare and biodynamic-compatible production options.
  • Whole-farm conversion.
  • Lower nitrogen inputs than the Swiss federal organic baseline.
  • Strong animal welfare requirements.
  • 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).
Does NOT
  • Australia has no single mandatory organic mark — ACO is the dominant one, but NASAA, OFC, and others also certify.
  • Switzerland is outside the EU — the Knospe is recognised by the EU under the Switzerland-EU equivalence agreement, but not by USDA without further certification.
  • There aren't many Tún-certified operations (~120–160) — coverage in the Icelandic market is narrower than in the EU mainland.

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