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Bio-Siegel (Germany) logo
Bio-Siegel (Germany)
Germany · Tier 1 Gold
Global Organic Textile Standard logo
Global Organic Textile Standard
Global · Tier 2 Trusted
NASAA Certified Organic (Australia) logo
NASAA Certified Organic (Australia)
Australia · Tier 2 Trusted
What it meansGermany'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.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.National Association for Sustainable Agriculture, Australia. One of seven Australian Department of Agriculture-approved certifiers. IFOAM-accredited; certifies organic and biodynamic produce.
ScopeFoodTextilesSeveral categories
Established200120021986
InspectionAnnual on-site by EU-accredited German control bodyAnnual on-site, IOAS-accreditedAnnual on-site, NASAA-accredited
Residue testingRisk-basedRequired for finished productsRisk-based
Guarantees
  • EU baseline organic (EU 2018/848).
  • Annual on-site inspection by accredited German certifier.
  • ≥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.
  • Compliance with the Australian National Standard for Organic and Bio-Dynamic Produce.
  • Annual on-site inspection.
  • Biodynamic certification option.
Does NOT
  • Same standard as the EU Leaf — not stricter.
  • Doesn't cover non-textile components (zips, buttons, prints) beyond the chemical-restriction list.
  • Australia has multiple competing organic certifiers — NASAA is one of seven, not the dominant national mark (that's ACO).

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