The Copper Mark Chain of Custody Standard

Copper Mark

The Copper Mark is the leading assurance framework to promote responsible practices across the copper, molybdenum, nickel and zinc value chains.

Automate your workflow

Compare multiple standards or benchmark your own standard, code of conduct or businesses activities against those of the The Copper Mark Chain of Custody Standard.

  • Current Version: Draft v2 (2025)
  • First Published: 2022