36 Best Sustainable Fashion Startups to Watch in 2025

The Definitive Seedtable Ranking of Sustainable Fashion Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 36 start-ups with an aggregate funding of $5.3b. The average funding per company in this subset is $145.9m.

Last update to the database: Feb 18, 2025. See changelog.

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8

Funding Rounds

$406.4m

Money raised

Bolt Threads is a biotechnology company that makes high performance fabrics and materials using biology.

9

Funding Rounds

$331.1m

Money raised

Modern Meadow is a biotechnology company using cellular agriculture and biofabrication to manufacture bioleather, "Zoa", out of cultured animal free collagen mixed with natural and man made materials.

2

Funding Rounds

$37.0m

Money raised

Reformation is a women's fashion company aimed at designing sustainable clothing and accessories.

Key people:

8

Funding Rounds

$2.0b

Money raised

Allbirds is a startup company manufacturing wool footwear.

13

Funding Rounds

$1.1b

Money raised

Spiber, Inc is a private biomaterials company using industrial biotechnology to develop silk.

6

Funding Rounds

$129.3m

Money raised

AMSilk is a Munich-based synthetic biology company that produces fibers made from the same protein as spider silk.

Industries:

Location:

Key people:

14

Funding Rounds

$87.2m

Money raised

A medical company in Massachusetts focusing on lowering the cost of vaccine distribution.

Location:

Key people:

3

Funding Rounds

$113.0m

Money raised

Natural Fiber Welding is a Peoria, Illinois-based company developing a scalable fabrication platform that can offset the global dependence on petroleum-based, human-made materials.

Location:

Key people:

1

Funding Rounds

$2.9m

Money raised

Stuffstr is a London-based recommerce technology company, founded by John Atcheson in 2014.

Key people:

4

Funding Rounds

$14.0m

Money raised

A biotechnology company developing and commercializing spider silk for textiles and performance polymers. Kraig Biocraft Laboratories uses genetic engineering to produce recombinant spider silk based fibers on an industrial scale.

Industries:

Key people:

7

Funding Rounds

$151.6m

Money raised

A carbon sequestration technology and bioplastics company based in Huntington Beach, California, founded in 2003, that uses their technology to capture carbon from greenhouse emissions for production of bioplastics.

3

Funding Rounds

$54.4m

Money raised

Vitrolabs is a San Francisco based company developing lab-grown leather and pelts for fashion and interiors, with aspirations to use their platform to grow human organs.

Key people:

2

Funding Rounds

$43.0m

Money raised

Outdoor Voices is a company founded in 2014 by Cheryl J. Tyler.

2

Funding Rounds

$31.7m

Money raised

Cuyana is a e-commerce and women's fashion brand focused on women's essentials.

Industries:

Location:

Key people:

4

Funding Rounds

$5.3m

Money raised

WOODOO manufactures a new wood material, translucent, weatherproof, stronger and durable, transforming lower grade wood species into high-performance materials.

Location:

Key people:

$16.0m

Money raised

MOGU manufactures materials and technologies that are based on fungi as main constituent.

3

Funding Rounds

$41.0m

Money raised

Frank & Oak is a company founded in 2012 by Hicham Ratnani.

Key people:

2

Funding Rounds

$10.0m

Money raised

Aunt Flow is a Columbus, Ohio-based company founded by Claire Coder.

Location:

Key people:

1

Funding Rounds

$2.7m

Money raised

Reflaunt allows retailers to offer a new service to their customers: the possibility to resell, donate or recycle their past purchases in a click directly from the retailer's e-commerce site.

1

Funding Rounds

$15.0m

Money raised

Yulex is a company founded in 2017 by Jeffrey A. Martin.

3

Funding Rounds

$13.7m

Money raised

Modern Synthesis is a biomaterials producer for textile industry founded in 2019 by Ben Reeve.

Location:

Key people:

1

Funding Rounds

$2.5m

Money raised

unspun uses body scanning technology to manufacture bespoke jeans.

Key people:

2

Funding Rounds

$11.0m

Money raised

Xampla is a Cambridge, Cambridgeshire-based company founded in 2018 by Tuomas Knowles.

1

Funding Rounds

$2.0m

Money raised

ADAY is a London-based company founded in 2015 by Nina Faulhaber.

Location:

Key people:

4

Funding Rounds

$42.8m

Money raised

Summersalt is a company founded in 2017.

2

Funding Rounds

$445.0m

Money raised

Operator of a clothing brand intended to offer premium performance apparel inspired by the active Coastal California lifestyle.

1

Funding Rounds

Brand focused on creating sustainable everyday essentials from organic cotton and recycled materials.

1

Funding Rounds

$3.0m

Money raised

Faircraft is a sustainable, lab-grown alternative to animal leather founded in 2021.

2

Funding Rounds

$12.7m

Money raised

Spinnova has developed a new technology for making textile fibre out of wood or waste, such as leather, textile or food waste, without harmful chemicals.

Location:

Key people:

1

Funding Rounds

$30.0m

Money raised

Circ is revitalizing the future of material technology and recycling using hydrothermal technology to separate polyester from cotton in blended materials, recovering both to be re-made into new fibers, closing the loop for fashion and textiles.

1

Funding Rounds

$4.5m

Money raised

Wolf & Badger is a Mayfair-based company founded in 2010 by George Graham.

Industries:

Location:

Key people:

1

Funding Rounds

$2.7m

Money raised

The Company produces natural degradable biopolymers from non-food sources.

1

Funding Rounds

$525.0k

Money raised

United By Blue is a company founded in 2010.

1

Funding Rounds

Tentree is a company founded in 2012.

Industries:

Location:

1

Funding Rounds

$16.0m

Money raised

1

Funding Rounds

$14.1m

Money raised

Nisolo is a Nashville, Tennessee-based company founded by Patrick Woodyard.

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