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Tún (Iceland) logo
Tún (Iceland)
Iceland · Tier 1 Gold
Bioland logo
Bioland
Germany · Tier 2 Trusted
Bio Suisse 'Knospe' (Bud) logo
Bio Suisse 'Knospe' (Bud)
Switzerland · Tier 2 Trusted
What it meansVottunarstofan 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.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.
ScopeFoodFoodFood
Established199419711981
InspectionAnnual on-site, MAST-accreditedAnnual on-site by Bioland-accredited inspectorsAnnual on-site, bio.inspecta accredited
Residue testingRequired for at-risk operationsRequiredRequired
Guarantees
  • ≥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.
  • Whole-farm conversion.
  • Lower nitrogen inputs than the Swiss federal organic baseline.
  • Strong animal welfare requirements.
  • Annual on-site inspection.
Does NOT
  • 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.
  • 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.

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