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About us

momox SE is the leading re-commerce company in Europe. We buy used books, media articles and clothing from private individuals at a fixed price. After a comprehensive quality check, the articles are resold via our online shops medimops and momox fashion as well as online marketplaces.

Since it was founded in 2004, more than 400 million items have been sold and sold to more than 50 million customers. In 2025, we generated an annual turnover of 393,5 million euros. We are the world's largest retailer of used goods on Amazon and third on eBay.

We are THE innovative re-commerce leader, making second hand goods fully accessible to everyone and contributing to the protection of the environment.

We are on a mission to save our planet — one second hand product at a time.

Our Values

Openness & Inclusion

Like an Open Book

We foster open communication, leaving no room for games. We welcome feedback, differing opinions, and new challenges while nurturing our diverse community.

Customer focus

Simply the Best

We deliver value that resonates with our customers.

Innovation & High Performance

Need for Speed

We fuse innovation and creativity, fearlessly embracing risk over stagnation.

Financial stability

Money Money Money

We operate profitably to finance our growth.

Happiness

The Great Gatsby

We have fun and celebrate our successes! Do you join the party?

Sustainability

Conscious Couture

We embrace responsibility and sustainability, integrating them seamlessly into everything we do.

The numbers show what defines momox today: millions of recirculated products, strong structures, and teams that make it all possible.

approximately

4 million

purchased
items

up to

149000

items purchased
daily

approximately

114000 m²

of storage space
at two locations

more than

1700

dedicated
employees

momox SE is home to the three brands momox, medimops und momox fashion in Germany. momox buys used books, media articles and clothing. After comprehensive quality control tests, the books and media articles are sold via medimops and the clothing via momox fashion, Germany's largest second hand online shop.

The momox SE business and that of its brands is overseen by a eight-person management team made up of experts from business areas such as marketing, logistics and finance.

Claudia Frese
CEO

Claudia brings many years of experience in the digital industry. She has held leadership positions at eBay and MyHammer AG. As CEO of STRATO AG and a member of the Management Board of IONOS SE, she most recently drove the companies’ growth.

Christian von Hohnhorst
CFO

As Chief Financial Officer, Christian is responsible for momox's finances. Previously, the qualified businessman worked in the same position at Gutefrage.net and StepStone.

Lenia Karallus
Chief Commercial Officer Fashion

Together with the responsible teams, Lenia continues to drive the fashion sector forward. She brings expertise from the Zalando Strategy & Acceleration team and previously led various innovation projects at two strategy consulting firms specialising in e-commerce.

Adam Maschek
CTO

Adam oversees the technological development at momox, bringing extensive experience in the field of E-commerce along with a profound understanding of the latest technologies. Prior to his current role, he served as the CTO at the online furniture retailer Westwing for seven years.

Stefan Klostermann
Chief Commercial Officer Books & Media

Stefan continues to expand the Books and Media division. Previously, he developed digital strategies and business models at Otto, Beiersdorf/tesa and ABB as well as in his own start-ups and for numerous consulting clients.

Tim Kellermann
COO

In his role as COO, Tim is responsible for our two logistics locations in Leipzig and Szczecin, as well as for customer support. Previously, Tim worked for more than 13 years in the logistics division of the MYTOYS GROUP, including more than eight years as Managing Director of myToys Logistik GmbH.

Sven Hellmann
Chief People and Culture Officer

Sven continuously develops the momox culture together with his team, showing how business performance and people centricity go hand in hand. He brings many years of experience in e-commerce and HR and previously served as Head of People & Culture at flaconi.

Mark Batty
Chief of Growth Officer

Mark drives the sustainable growth of momox. With over 20 years of e-commerce experience, including roles at Asos and Boden, he leads international expansion, innovation, and the optimization of the customer journey.

We give used products a new home.

About us