B Corp Impact Assessmenta digital tool that can help measure, manage, and improve positive impact performance for environment, communities, customers, suppliers, employees, and shareholders; receiving a minimum verified score of 80 points on the assessment is also the first step towards B Corp Certification.

Estimate your emissions – nonprofit Climate Neutral offers a simple way to estimate cradle-to-customer greenhouse gas emissions and find out where to reduce them. It can be followed by certification.

Read a book on how to move towards circular design – Ellen MacArthur Foundation’s beautifully designed book offers a creative lens through which to discover and develop new products and navigate radical transformation, while addressing many of the world’s most pressing challenges.

The Higg Index – verify your company with a suite of tools for the standardized measurement of value chain sustainability, developed by Sustainable Apparel Coalition.


Resrcle – community of designers, creators, consumers, sustainable start-ups, and businesses, and other like-minded innovators. You can be contacted with verified suppliers of fabrics, threads, you name it.

GOTS cetrified textiles – Global Organic Textile Standard is a leading certification for organic companies worldwide. For a company to be certified, it’s products must be at least 95% natural organic fibers, also must not contain formaldehyde, aromatic solvents, GMOs, toxic heavy metals – to name a few. At the moment of writing this there were close to 4000 certified fabrics suppliers in the database.

Fairtrade cetrified textiles – this well known global multi-stakeholder nonprofit that promotes fair wages and working conditions in a wide range of industries includes – of course – textiles. On their site not only can you find out the requirements that producers have to meet but also a handy map of Fairtrade International national branches that will further point you to your local certified suppliers.

Better Cotton – list of suppliers, manufacturers and retailers associated under the Better Cotton Standard – the world’s largest cotton sustainability programme.

OEKO-TEX® Buying Guide – easy to use finder of certified fabrics retailers. Filter by fabric type, supplier’s location or how raw you want your material to be.

Better Cotton Initiative – find suppliers and manufacturers who are members of this world’s leading sustainability initiative for cotton.

Leather Working Group – we should eliminate all leather products in the long run. But if you really have to produce leather goods, find a supplier that id golden rated by LWG. Have in mind that leather is the most polluting material ou there.

CFDA’s Materials Index – here you’ll find information on all kinds of innovation-based materials that can be used in fashion, some as exotic as kombucha leather, apple leather, orange fiber or banana sylk. Including how to get them.


Climate Neutral – find out what are the requirements for this greenhouse gas emissions certificate. This one is annually renewed. Also known not to be very costly.