69 Best Circular Economy Startups to Watch in 2025

The Definitive Seedtable Ranking of Circular Economy 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 109 start-ups with an aggregate funding of $6.4b. The average funding per company in this subset is $93.4m.

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

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Bolt Threads logo

Bolt Threads

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

8

Funding Rounds

$406.4m

Money raised

Modern Meadow logo

Modern Meadow

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.

9

Funding Rounds

$331.1m

Money raised

Reformation logo

Reformation

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

2

Funding Rounds

$37.0m

Money raised

Allbirds logo

Allbirds

Allbirds is a startup company manufacturing wool footwear.

8

Funding Rounds

$2.0b

Money raised

Spiber, Inc. logo

Spiber, Inc.

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

13

Funding Rounds

$1.1b

Money raised

AMSilk logo

AMSilk

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

6

Funding Rounds

$129.3m

Money raised

Vaxess Technologies logo

Vaxess Technologies

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

14

Funding Rounds

$87.2m

Money raised

Natural Fiber Welding logo

Natural Fiber Welding

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.

3

Funding Rounds

$113.0m

Money raised

Olio logo

Olio

Olio is a London-based sharing company working to solve the problem of food waste and hunger.

4

Funding Rounds

$95.9m

Money raised

Stuffstr logo

Stuffstr

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

1

Funding Rounds

$2.9m

Money raised

Kraig Biocraft Laboratories logo

Kraig Biocraft Laboratories

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.

4

Funding Rounds

$14.0m

Money raised

Newlight Technologies logo

Newlight Technologies

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.

7

Funding Rounds

$151.6m

Money raised

Save your wardrobe logo

Save your wardrobe

FashionTech company using Artificial Intelligence for wardrobe management

1

Funding Rounds

$3.0m

Money raised

Vitrolabs logo

Vitrolabs

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.

3

Funding Rounds

$54.4m

Money raised

EV Biotech logo

EV Biotech

EV Biotech is a microbial cell factory (MCF) strain development company.

1

Funding Rounds

$4.7m

Money raised

BanQu logo

BanQu

A for-profit blockchain-as-a-service software company aiming to help solve extreme poverty.

9

Funding Rounds

$21.0m

Money raised

Pili logo

Pili

Pili is a biotechnology company using microorganisms fed sugar to synthesize commercial quality dyes.

9

Funding Rounds

$40.9m

Money raised

Evrnu logo

Evrnu

Evrnu is a Seattle-based developer of technology to recycle cotton garment waste into renewable textiles.

6

Funding Rounds

$28.6m

Money raised

Thredup logo

Thredup

Thredup is a San Francisco-based company.

4

Funding Rounds

$196.7m

Money raised

Colorifix logo

Colorifix

Colorifix is developing a revolutionary dyeing process to help the textile industry dramatically reduce its environmental impact.

1

Funding Rounds

$28.0m

Money raised

Air Up logo

Air Up

Bottle system offering scent-flavored water to enhance drinking experience.

2

Funding Rounds

$68.0m

Money raised

Sulapac logo

Sulapac

Sulapac is a fully biodegradable material innovation made of sustainably sourced wood and plant-based binders.

1

Funding Rounds

$1.0m

Money raised

Circularise logo

Circularise

Circularise is a Netherlands-based company helping plastic manufacturers, brands, and original equipment manufacturers (OEMs) to trace raw materials from source, into parts, and ultimately to end products, using blockchain and other innovative technologies.

1

Funding Rounds

$12.8m

Money raised

Spoiler Alert logo

Spoiler Alert

Spoiler Alert is a B2B technology company making a software platform for CPG brands to manage sales of excess and short-dated food inventory, recovering value and increasing sustainability.

2

Funding Rounds

$13.5m

Money raised

Mango Materials logo

Mango Materials

Mango Materials is a Redwood City, California-based company.

1

Funding Rounds

Winnow Solutions logo

Winnow Solutions

Winnow Solutions is a company founded in 2013.

4

Funding Rounds

$38.8m

Money raised

Greyparrot logo

Greyparrot

Greyparrot use deep learning and computer vision to accurately classify different types of waste materials.

6

Funding Rounds

$35.5m

Money raised

Genecis EnviroTech logo

Genecis EnviroTech

A company transforming food waste into PHA biodegrdable plastics

4

Funding Rounds

$1.8m

Money raised

ACELERON logo

ACELERON

Aceleron is a clean technology company that aims to empower global communities by increasing access to energy storage solutions for its customers.

4

Funding Rounds

$9.8m

Money raised

Raylo logo

Raylo

Raylo is a circular device subscription platform founded in 2019 by Karl Gilbert, Jinden Badesha and Richard Fulton .

8

Funding Rounds

$7.8m

Money raised

Outdoor Voices logo

Outdoor Voices

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

2

Funding Rounds

$43.0m

Money raised

TIPA logo

TIPA

TIPA® is a developer and producer of fully compostable flexible packaging solutions.

7

Funding Rounds

$124.0m

Money raised

Naturemetrics logo

Naturemetrics

Developer of cutting-edge DNA techniques to monitor biodiversity.

2

Funding Rounds

$40.0m

Money raised

Cuyana logo

Cuyana

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

2

Funding Rounds

$31.7m

Money raised

LOLIWARE logo

LOLIWARE

LOLIWARE has pioneered the world's leading seaweed technology to replace single-use plastics. LOLIWARE's products harness LIST (LOLIWARE Intelligent Seaweed Technologies) to create single-use items designed to disappear. LOLIWARE is poised to completely replace single-use plastics beginning with the launch of the company's new seaweed-based straw in 2019. LOLIWARE's straw looks, feels, and acts like plastic, but is made from 100% food-grade materials. It is designed to disappear either through composting or natural processes.

1

Funding Rounds

$6.0m

Money raised

Queen of Raw logo

Queen of Raw

Queen of Raw is a marketplace to buy and sell sustainable and deadstock fabrics and textiles, enabling excess stock to become another's sustainable materials.

1

Funding Rounds

$1.6m

Money raised

Rheaply logo

Rheaply

Rheaply is a company founded in 2015 by Garry Cooper, Tyler Skelton and Peter Tucker.

4

Funding Rounds

$32.7m

Money raised

Recycleye Ltd logo

Recycleye Ltd

Recycleye Ltd is an AI-automated waste management founded in 2019.

3

Funding Rounds

$23.4m

Money raised

Woodoo logo

Woodoo

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

4

Funding Rounds

$5.3m

Money raised

Lumi logo

Lumi

Lumi is a printmaking supply company.

1

Funding Rounds

$9.0m

Money raised

MOLG logo

MOLG

MOLG enables circular manufacturing, ensuring one products end is another's beginning.

1

Funding Rounds

$5.5m

Money raised

MOGU (company) logo

MOGU (company)

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

$16.0m

Money raised

Frank & Oak logo

Frank & Oak

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

3

Funding Rounds

$41.0m

Money raised

Renewal Mill logo

Renewal Mill

Renewal Mill is an upcycled food company that fights climate change and global food loss by upcycling byproducts from food manufacturing into superfood ingredients and premium, plant-based pantry staples.

1

Funding Rounds

$2.5m

Money raised

Vericool logo

Vericool

Vericool is replacing plastic coolers and packaging with plant-based products

2

Funding Rounds

$24.1m

Money raised

NatureWorks logo

NatureWorks

NatureWorks is a Minnetonka, Minnesota-based bioplastic company manufacturing their proprietary bioplastic Ingeo.

1

Funding Rounds

$150.0m

Money raised

Again logo

Again

Again provides supply chain infrastructure for circular packaging.

4

Funding Rounds

$57.7m

Money raised

Aunt Flow logo

Aunt Flow

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

2

Funding Rounds

$10.0m

Money raised

Reflaunt Ltd logo

Reflaunt Ltd

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

$2.7m

Money raised

Framework logo

Framework

Framework builds repairable, upgradeable consumer electronics products that are designed to last.

1

Funding Rounds

$18.0m

Money raised

Yulex logo

Yulex

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

1

Funding Rounds

$15.0m

Money raised

Pulpac logo

Pulpac

Pulpac, founded in 2018, develops Dry Molded Fiber, manufacturing technology for low cost, high-performance fiber-based packaging and single-use products.

1

Funding Rounds

$36.2m

Money raised

Shellworks Group Ltd logo

Shellworks Group Ltd

Shellworks is on a mission to make plastic waste a thing of the past by creating truly compostable packaging solutions.

2

Funding Rounds

$12.4m

Money raised

Twig logo

Twig

Twig is a fintech that turn things into cash instantly.

1

Funding Rounds

$35.0m

Money raised

Modern Milkman logo

Modern Milkman

Grocery delivery service focused on reducing waste through return and reuse practices.

1

Funding Rounds

$17.7m

Money raised

Modern Synthesis logo

Modern Synthesis

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

3

Funding Rounds

$13.7m

Money raised

900.care logo

900.care

900.care is a manufacturer of refillable personal care products founded in 2019.

1

Funding Rounds

$12.0m

Money raised

unspun logo

unspun

unspun uses body scanning technology to manufacture bespoke jeans.

1

Funding Rounds

$2.5m

Money raised

reboxed logo

reboxed

Recommerce platform - E-commerce, SaaS and on-demand buyback of consumer electronics

2

Funding Rounds

$2.7m

Money raised

Xampla logo

Xampla

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

2

Funding Rounds

$11.0m

Money raised

ADAY (company) logo

ADAY (company)

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

1

Funding Rounds

$2.0m

Money raised

Summersalt logo

Summersalt

Summersalt is a company founded in 2017.

4

Funding Rounds

$42.8m

Money raised

Vuori logo

Vuori

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

2

Funding Rounds

$445.0m

Money raised

Paptic logo

Paptic

Paptic is a manufacturing company producing eco-friendly packaging materials founded in 2015.

1

Funding Rounds

$25.0m

Money raised

Cudoni logo

Cudoni

Cudoni is a second-hand luxury resale marketplace founded in 2017 by James Harford-Tyrer.

2

Funding Rounds

$15.2m

Money raised

Lyfa logo

Lyfa

Lyfa delivers grocery items to people's doors in reusable packaging that is then picked up during the next delivery.

2

Funding Rounds

$230.0k

Money raised

SpareIt, Inc. logo

SpareIt, Inc.

Spare-it enables access to live waste intelligence upstream.

1

Funding Rounds

$300.1k

Money raised

Recyda logo

Recyda

Recyda is a packing management platform founded in 2020 by Vivian Loftin, Christian Knobloch and Anna Zießow.

1

Funding Rounds

$6.9m

Money raised

Lactips logo

Lactips

Producer of bio-based water-soluble polymer alternatives to plastics.

2

Funding Rounds

$6.1m

Money raised