Certifications

More than a factory — a responsible textile community.

OHMS' commitment to sustainability is proven by the internationally recognised GOTS, OCS and GRS certifications — recognised worldwide for their rigour and standards. These certifications validate our continuous effort to produce ethically and transparently:

GOTS certification badge

Certified by Control Union Services

CB-GOTS-CU-PE-33-1115210

GOTS

Global Organic Textile Standard

Certifies the use of organic fibres and environmentally responsible manufacturing practices.

OCS certification badge

Certified by Control Union Services

CB-CUS-1115210

OCS

Organic Content Standard

Ensures the traceability of organic content across our products.

GRS certification badge

Certified by Control Union Services

CB-CUS-1115210

GRS

Global Recycled Standard

Confirms the use of recycled materials and compliance with rigorous social and environmental criteria.

At OHMS, sustainability is neither a trend nor a promise for the future—it is a commitment rooted in the way we create, develop, and manufacture every piece.

We believe that true sustainability begins with thoughtful choices: prioritizing quality over quantity, developing products built to last, and establishing transparent, long-term partnerships. Our approach combines Portuguese craftsmanship, innovation, and responsible manufacturing to offer garments with purpose and longevity.

Working with carefully selected materials and certified supply chains, we continuously seek solutions that reduce environmental impact without compromising quality, creativity, or performance. From high-quality natural fibers to innovative blends and low-impact production processes, every detail matters.

Our in-house capabilities allow us to maintain greater control over development and finishing processes, fostering flexibility, reducing unnecessary waste, and supporting more conscious production volumes. We value slow, deliberate growth, producing collections designed to be worn and cherished—and made to last.

For us, sustainability also means fostering lasting relationships—with our customers, our partners, and the people behind every garment we create. We believe the future of fashion lies in responsible innovation: creating better products, in better ways, for a better industry.

Because true sustainability isn't about producing more. It’s about producing better.

An industry where quality, aesthetics and ethics coexist.

Our vision is to contribute to a more balanced industry. With OHMS, brands find a partner committed to creating products of excellence with ecological consciousness and positive impact.