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Otrium

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Managed marketplace for off-price fashion inventory

Amsterdam, NetherlandsFounded 2015eCommerce & Marketplaces
Valuation $500M–1B Last recorded · 2021
Revenue $10–50M Latest reported FY
Headcount 100–500 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Otrium and the history behind them.

About Otrium

Otrium is an online marketplace focused on providing a solution for end-of-season fashion inventory. Founded in 2015 in Amsterdam by childhood friends Milan Daniels and Max Klijnstra, the company aims to ensure all clothing produced is worn, addressing the industry's issue of excess stock. The founders' journey began after they experienced the challenge of unsold inventory firsthand with their own sweater brand, which they launched after graduating. This experience led them to research the market and identify a gap for a technology-driven platform that could help brands sell their previous season's collections without the high margins taken by traditional stock buyers or the barriers to entry of physical outlets.

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The company operates on a managed marketplace model, providing a full-service B2C platform where fashion brands can set up their own online outlet store. Otrium handles the storing, marketing, and selling of the items on behalf of the brands, who retain full control over pricing, merchandising, and visibility. This model allows brands to convert potential losses from unsold inventory into revenue. Otrium's revenue is primarily generated through a commission on each sale made through its platform. It has also offered premium features to consumers, such as early access to sales, as an additional revenue stream.

Since its inception, Otrium has attracted significant investment, raising a total of $156 million over six funding rounds. Key funding includes a Series B round of €24 million in May 2020 and a Series C round of approximately €102.3 million ($120 million) in March 2021. These funds have been used to fuel international expansion, including a launch in the US in 2021, and to develop its technology platform. However, the company later shifted its strategic focus to the European market, selling its US arm and exiting the UK market in 2023, only to announce a relaunch in the UK in late 2025. Otrium partners with over 400 brands, ranging from established names like Tommy Hilfiger and AllSaints to emerging designers. The platform serves a community of over 4 million registered members across Europe, offering discounts of up to 75%.

Source: Dealroom company data

At a glance

Founded
2015
Headquarters
Amsterdam, Netherlands
Sector
eCommerce & Marketplaces
Power Law
Colt$25–100M revenue

Investors

11 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed3 investors entered at this stage

  • Boralis BV
  • Keadyn
  • Ton van 't Noordende

Series A7 investors entered at this stage

Series B and later1 investor entered at this stage

Employees mapped 140 incl. 12 AI specialists
Founders Hidden — book a demo/100 quality score
Key operators 6 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
9 countries with
team presence
🇳🇱 Netherlands82.1%
🇬🇧 United Kingdom10.4%
🇲🇰 North Macedonia1.9%
🇱🇺 Luxembourg0.9%
🇸🇪 Sweden0.9%
Top 5 of 9 shown
Web traffic by country
170K monthly visits
across markets
🇳🇱 Netherlands24.6%
🇬🇧 United Kingdom23.8%
🇧🇪 Belgium9.5%
🇺🇸 United States6.4%
🇩🇪 Germany6.2%
Top 5 markets shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Otrium on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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