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thredUP

thredUP is the world’s largest fashion resale platform, inspiring a new generation to think secondhand first. The company has spent the past 10 years reinventing resale, building a marketplace and infrastructure now poised to power the $50B resale economy and usher in a more sustainable fashion future. Millions of consumers use thredUP as the easiest way to sell their clothes and shop over 35,000 brands at up to 90% off — online, in stores or via “try-before-you-buy” Goody Boxes. Backed by world-class investors, thredUP designed a resale engine that has redistributed nearly 100 million unique garments from closets across America and is now powering resale for the broader fashion industry via its Resale-As-A-Service (RAAS) platform.

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Retail Apparel and Fashion 1,108 Employees Found Founded 2009 2807 Similar Companies
1,108 Employees Found
95% Email Coverage
$260.0M Est Revenue
6 Office HQ
2807 Similar Companies
Aug '26 Last Verified

thredUP Technology Stack

CrazyEgg

Crazy Egg is a website optimization tool that provides heatmaps, scrollmaps, and user session recordings to help businesses understand visitor behavior and improve website performance.

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Mixpanel

Mixpanel is an advanced analytics platform that helps businesses track user interactions, analyze data in real-time, and optimize product experiences to boost engagement and retention.

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Mandrill

Mandrill is a powerful transactional email API by Mailchimp, enabling developers to send personalized, automated emails securely and reliably, with detailed analytics and robust delivery tracking.

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Optimizely

Optimizely is a digital experience platform that enables businesses to conduct A/B testing, personalize content, and optimize websites and apps for better user engagement and conversion rates.

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thredUP Competitors

ThriftBooks
ThriftBooks

Technology, Information and Internet • 389 employees • Seattle, United States

The RealReal
The RealReal

Retail Apparel and Fashion • 2,624 employees • San Francisco, United States

Stitch Fix
Stitch Fix

Retail Apparel and Fashion • 5,250 employees • San Francisco, United States

FULLBEAUTY Brands
FULLBEAUTY Brands

Retail Apparel and Fashion • 1,860 employees • Indianapolis, United States

Garan, Incorporated
Garan, Incorporated

Retail Apparel and Fashion • 524 employees • New York, United States

Tom James Company
Tom James Company

Retail Apparel and Fashion • 1,368 employees • Franklin, United States

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