6 biotech companies advancing fashion in 2025

Who’s making waves with new materials, new processes, and new investment?

The biotech fashion industry is heating up, with organizations of all sizes and resources working on exciting, innovative materials. So which are we keeping an eye on right now? Here are six that stand out to us based on their scope, brand deals, or recent developments.

Note: financial updates are based on the most recent available public information

1. Spiber

What does Spiber make?

Spiber uses a proprietary fermentation process to create Brewed Protein™, a biomaterial made from plant sugars and microbes that mimics spider silk and other natural fibers. This approach creates high-performance textiles without relying on traditional silk production.

Who are they partnering with?

Spiber has partnered with brands including The North Face, sacai, Pangaia, Woolrich, Ron Herman, and Goldwin to bring sustainable materials to market across outdoor and luxury fashion segments.

Can I buy anything from them?

Issey Miyake’s IM MEN line includes items made from Brewed Protein™, and Helly Hansen’s Spring/Summer release features two Brewed Protein™ products. New Zealand sustainable fashion company Untouched World will include Spiber’s Brewed Protein™ in its Spring Summer 2026 collection.

What are their biggest wins?

Spiber has raised over $600 million in funding and launched a production facility in Thailand in 2022 to scale Brewed Protein™ globally. The company showcased over 100 new fabrics at Milano Unica in February 2025 and is working to expand its global network of suppliers.

2. Keel Labs

What does Keel Labs make?

Keel Labs creates Kelsun™, a sustainable fiber made from seaweed that serves as an alternative to cotton and polyester. This ocean-based biomaterial offers a renewable approach to textile production while using marine resources.

Who are they partnering with?

They received backing from the H&M Foundation through the Global Change Award and now work with the likes of Stella McCartney and sustainable fashion brand Outerknown.

Can I buy anything from them?

Stella McCartney launched a line featuring Kelsun™ in September 2024 and Outerknown has Kelsun™ clothing available as well.

What are their biggest wins?

Keel Labs has raised more than $17 million and has gained recognition for using ocean-based resources and earned sustainability innovation awards.

3. Colorifix

What does Colorifix make?

Colorifix uses engineered microbes to produce and fix pigments onto fabrics, eliminating toxic dyes and reducing water usage in textile dyeing processes. This biotechnology approach addresses one of fashion’s most polluting processes.

What do we know about their funding?

As of 2025 Colorifix raised $18 million in Series B2 funding, led by Inter IKEA Group with continued support from H&M Group Ventures.

Who are they partnering with?

Major fashion brands like H&M, PANGAIA, and performance wear company Vollebak have adopted Colorifix’s sustainable dyeing technology in their production processes.

Can I buy anything from them?

H&M Conscious collections and Vollebak performance wear lines have featured Colorifix dyes, making the technology accessible to consumers.

What are their biggest wins?

The company has proven their dying technology cuts water usage, chemical usage, and energy requirements at industrial scale, securing major funding from retail giants and demonstrating commercial viability.

4. Modern Meadow

What does Modern Meadow make?

Modern Meadow uses their proprietary Innovera™(formerly Bio-Vera) material to create leather alternatives that replace both plastic and animal-based options. Their bio-based approach creates materials that integrate with existing manufacturing processes.

Who are they partnering with?

The company has collaborations or development partnerships with brands, including Tory Burch and Everlane, focusing on sustainable goods.

Can I buy anything from them?

Australian brand Bellroy has launched part of their collection featuring Innovera™, with products ranging from passport holders to phone cases, with more items planned.

What are their biggest wins?

Modern Meadow’s Innovera™ integrates with existing tannery processes, making it highly scalable with a production capacity of 500,000 square meters per year. The company has raised $182.5 million total, including $130 million in Series C funding in 2021.

5. AMSilk

What does AMSilk make?

AMSilk produces Biosteel®, a synthetic silk biopolymer that combines strength and lightweight properties while remaining biodegradable. This bio-engineered material has a significantly lower environmental footprint than traditional silk production.

Who are they partnering with?

They’ve partnered with major brands like Adidas and luxury watchmaker Omega to develop applications for Biosteel® across fashion and accessories.

Can I buy anything from them?

Not yet for consumer products, although their AMSilk yarns are being integrated into concept products across multiple industries as the technology approaches commercial readiness.

What do we know about their funding?

AMSilk secured EUR 52 million in funding in September 2025 led by existing investor ATHOS, along with MIG Capital and Novo Holdings.

What are their biggest wins?

They’ve successfully expanded into diverse industries from fashion to aerospace applications and have raised more than $100 million total, showing the versatility of bio-engineered silk proteins.

6. von Holzhausen

What does von Holzhausen make?

Von Holzhausen developed Liquidplant™ and Banbū, innovative plant-based and bamboo-based leather alternatives that deliver luxury aesthetics with sustainable materials.

Who are they partnering with?

Apple has created a line of tech accessories using their materials, and Italian sneaker brand P448 used Banbū leather in footwear, showcasing applications from technology to fashion.

Can I buy anything from them?

Yes, they directly sell bags, accessories, and tech cases through their own channels, while many of their partners are already integrating their leather alternatives into consumer products.

What are their biggest wins?

Beyond securing major partnerships and raising about $5 million as of 2024, the company’s success in bringing high-design, sustainable materials to market has established them as a leader in plant-based luxury materials.

These six companies show how far biotech has progressed in fashion. With materials now in production and major brand partnerships secured, they're proving biotechnology can deliver commercial results, not just promising concepts.