NK Corporation Sustainability Profile

What do our labels mean?

NK Corporation is a Japanese manufacturing company based in Tokyo and certified as a B Corporation since July 2023. Its sustainability position is centred on leather manufacturing, ultra-precise digital cutting, high-quality sewing, and detail finishing, with stated attention to animal welfare, biodiversity, nature conservation, minimum resource use, and waste reduction. The company says it uses environmentally friendly and upcycled materials, operates its factory on 100% renewable energy, and seeks transparency in its supply chain. It also describes a business model focused on reducing offcuts, improving material efficiency, and developing upcycling work.

About NK Corporation

Status
Unverified

Website
Visit Website

Employees
5 - 25

Country
Japan

NK Corporation Sustainability Actions

B Corp certification

NK Corporation became the first company in Japan’s leather industry to receive B Corp certification in 2023. The company says that after three years of management improvement efforts, it was formally certified in July 2023.

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100% renewable energy factory

The entire facility is powered by 100% renewable energy, including domestic solar and wind power. The company also states that it is making every effort to minimize energy consumption throughout the company.

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Reduced waste in production

The company says it is promoting environmentally and socially conscious management, including reducing the use of molds, minimizing waste from offcuts, and switching to 100% renewable energy. It also describes an environmental business model of “manufacturing offcut 93.8% reduction × machine equipment parts 99% reduction × defect rate below 0.01%.”

Upcycling program launched

NK Corporation has officially positioned the NK Upcycling Program as a business and says it will launch it in earnest. The program welcomes materials that have reached the end of their useful life, such as seat fabrics, interior materials, advertising signs, tarpaulins, exhibits, sample materials, excess inventory, and production offcuts.

Technical guidance in Ethiopia

The company says it participated in an international project in Ethiopia and provided technical guidance on-site. It states that this initiative was implemented at the request of the relevant organizations.

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NK Corporation Sustainability Commitments

2025

UNFPA Ethiopia support

Technical Support for the UNFPA Ethiopia Project is listed for Dec 2025.

2025

NK Upcycling Program

The company says it will launch the NK Upcycling Program in earnest, and that it supports planning and hosting workshops and joint development programs for companies, educational institutions, and local governments.

2030

Supply chain RE100

One of the company’s three-year management improvement goals is to realize RE100 across the supply chain, including all partner factories and tanners.