Certifications & Ethical Standards

Our Certifications

At Custom Planet, we’re committed to the highest standards of quality and sustainability. We proudly hold the following certifications:

ISO 9001 – Quality Management

This certification demonstrates our consistent commitment to high standards of quality, customer satisfaction, and continual improvement in all areas of our business.

ISO 14001 – Environmental Management

We are dedicated to reducing our environmental footprint through responsible practices. ISO 14001 ensures that we meet internationally recognised standards for sustainability and environmental management.

SEDEX-Certified for Ethical Sourcing

At Custom Planet, we take our social responsibility seriously. We are proud to be a SEDEX-certified business, demonstrating our commitment to ethical trading, labour rights, safe working conditions, and environmental sustainability. Being a member of SEDEX (Supplier Ethical Data Exchange) allows us to share and improve our supply chain practices, giving our clients added confidence that the products they receive are responsibly sourced and ethically produced.

Our Supplier Certifications

We carefully choose suppliers who share our commitment to ethical manufacturing, environmental responsibility, and supply chain transparency. Below is an overview of the certifications held by some of our most trusted partners.

Stanley/Stella

  • GOTS (Global Organic Textile Standard) – Certified organic cotton, tracked throughout the supply chain.
  • OEKO-TEX Standard 100 – Products are tested to ensure they're free from harmful substances.
  • PETA-Approved Vegan – No animal-derived materials used.
  • GRS (Global Recycled Standard) – Verified use of recycled fibres.
  • FSC – Packaging sourced from responsibly managed forests.
  • Fair Wear Foundation – Member since 2012, focused on fair labour practices.

Learn more about Stanley/Stella’s certifications

AS Colour

  • B Corporation Certified – Meets high social and environmental standards.
  • OEKO-TEX Certified – Chemical safety for all products.
  • Amfori BSCI – Ethical working conditions across supply chains.
  • GOTS & GRS options available on selected garments.

Explore AS Colour's sustainability commitments

Portwest Workwear

  • OEKO-TEX Standard 100 – Certified skin-safe and toxin-free fabrics.
  • REACH Compliance – Meets EU chemical regulation standards.
  • WRAP Certification – Ethical manufacturing standards met at factory level.
  • ISO 14001 & ISO 45001 – Environmental and health & safety management certifications.

View Portwest’s sustainability information

Gildan

  • WRAP Gold Certification – Highest standard for ethical apparel manufacturing.
  • OEKO-TEX Standard 100 – Independently verified chemical safety.
  • FSC® Certified Packaging – Sustainable paper sourcing.
  • ISO 14001, ISO 45001 & ISO 9001 – Environmental, safety, and quality management.
  • Higg Index Reporting – Transparency in social and environmental performance.
  • SBTi-Aligned – Committed to science-based emissions targets.

See Gildan’s certification and sustainability details

Ocean Bottle

  • Carbon Neutral Certified – Fully offset carbon footprint.
  • B Corp Certified – Social and environmental impact accountability.
  • Recycled Content Verified – Every bottle funds the removal of 11.4kg of ocean-bound plastic.
  • Traceable Impact – Verified through blockchain-enabled partnerships.

Read more about Ocean Bottle’s impact

Westford Mill

  • GOTS Certified Organic Cotton – Used across a wide range of products.
  • OEKO-TEX Standard 100 – Ensures skin-safe materials.
  • Certified Recycled Polyester – Used in eco-conscious product lines.
  • Sedex Member – Committed to ethical and transparent sourcing practices.

Visit Westford Mill’s sustainability page

Stanley (Drinkware)

  • BPA-Free – Safe, non-toxic materials in all products.
  • Climate Neutral Commitment – Reducing carbon footprint across operations.
  • Recycled Stainless Steel – Promoting circular material use.
  • Lifetime Warranty – Built to last, reducing waste.
  • Packaging Improvements – Moving toward zero single-use plastic.

See Stanley’s drinkware sustainability efforts

If you have questions about our certifications or want to learn more about our environmental policies, please get in touch or ask Stitch!