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Australian Certified Organic logo
Australian Certified Organic
Australia · Tier 1 Gold
Global Organic Textile Standard logo
Global Organic Textile Standard
Global · Tier 2 Trusted
Bio-Siegel (Germany) logo
Bio-Siegel (Germany)
Germany · 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 strictest, most widely-recognised standard for organic textiles. Covers the full supply chain from organic fibre to finished garment, with environmental AND social criteria.Germany's national organic mark, owned by the Federal Ministry of Food and Agriculture. Sits alongside the EU Leaf on most German organic packaging since 2001. Same standard as the EU Leaf — Bio-Siegel is the brand consumers recognise.
ScopeFoodTextilesFood
Established200220022001
InspectionAnnual on-site, ACOS-accreditedAnnual on-site, IOAS-accreditedAnnual on-site by EU-accredited German control body
Residue testingRisk-basedRequired for finished productsRisk-based
Guarantees
  • ≥95% organic ingredients.
  • No synthetic pesticides, no GMOs.
  • Annual on-site inspection.
  • Animal welfare and biodynamic-compatible production options.
  • ≥70% certified-organic natural fibre (the 'organic' grade requires ≥95%).
  • Restricted dyes, no chlorine bleach, no formaldehyde, no banned heavy metals.
  • Wastewater treatment requirements.
  • Social standards based on ILO core conventions (no child labour, no forced labour, fair wages, safe workplace).
  • Annual on-site inspection by IOAS-accredited certifier.
  • EU baseline organic (EU 2018/848).
  • Annual on-site inspection by accredited German certifier.
Does NOT
  • Australia has no single mandatory organic mark — ACO is the dominant one, but NASAA, OFC, and others also certify.
  • Doesn't cover non-textile components (zips, buttons, prints) beyond the chemical-restriction list.
  • Same standard as the EU Leaf — not stricter.

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