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Soil Association Organic logo
Soil Association Organic
United Kingdom · Tier 2 Trusted
Global Organic Textile Standard logo
Global Organic Textile Standard
Global · Tier 2 Trusted
Bio Suisse 'Knospe' (Bud) logo
Bio Suisse 'Knospe' (Bud)
Switzerland · Tier 2 Trusted
What it meansThe 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.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.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.
ScopeSeveral categoriesTextilesFood
Established194620021981
InspectionAnnual on-site, UKAS-accreditedAnnual on-site, IOAS-accreditedAnnual on-site, bio.inspecta accredited
Residue testingRisk-basedRequired for finished productsRequired
Guarantees
  • Stricter-than-baseline organic standards across food, textiles, cosmetics, and farming.
  • Annual on-site inspection.
  • Animal welfare standards (outdoor access, lower stocking density).
  • ≥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.
  • Whole-farm conversion.
  • Lower nitrogen inputs than the Swiss federal organic baseline.
  • Strong animal welfare requirements.
  • Annual on-site inspection.
Does NOT
  • Logo is trademarked — not a free-licence mark.
  • Doesn't cover non-textile components (zips, buttons, prints) beyond the chemical-restriction list.
  • 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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