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we are checkout-marketing.

E-Commerce made by userwerk

We are a tech company specializing in e-commerce and checkout-marketing, founded in Ulm in 2017 by industry expert Dr. Markus Kalb. Today, our team consists of 40 experts in the fields of digital marketing, e-commerce, sales, and IT.

With our own team of developers, we can respond flexibly and quickly to changing trends and customer requirements. To take checkout marketing to a new level, we launched our own AI-based software POLAR in 2024 after several years of development.

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userwerk CEO Dr. Markus Kalb
Every customer is unique.
„POLAR recognizes new customers, regular customers, and returning customers, whether or not they make a purchase. To do this, it identifies click and purchase behavior, as well as the amount of time spent on individual products or product categories. All of this, combined with the tried-and-tested parameters of age, gender, and place of residence, provides a very insightful picture that allows us to tailor our offers even more effectively.“
Stuffy routines are slowing down your growth.
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years of experience

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shops & brands

We operate in more than 50 different online shops with over 5,000 products from more than 100 different brands, mainly in the DACH region. Our customers and partners come from the following industries: consumer goods, financial services, health and healthcare, sporting goods, textiles, retail/trade, consumer electronics, and the media industry.

ueber uns team 1

The userwerk ecosystem

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userwerk GmbH

Founded in 2017

The checkout-marketing specialist – expertise right at the point of sale

Intelligent extension of the customer journey – personalized offers, relevant incentives, maximum impact

Patent-protected designs – continuously UX-tested, conversion-optimized, state-of-the-art

Individual concepts – tailor-made e-commerce and checkout marketing strategies, flexibly scalable

Member of the BVDW’s Retail Media ecosystem

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userwerk market solutions GmbH

Founded in 2022

Dedicated support – expansion of national and international brand and product businesses

Long-standing sales network – strong publishing partnerships, sustainable implementation of proven & new subscription models

Best practice approaches – transferable to a wide range of product categories and industries

Customer service – support for subscribers, close coordination with product providers, smooth processes

Member of Bundesverband Abonnement

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userwerk technologies GmbH

Founded in 2023

In-house platform POLAR – store and product management, campaign management, targeting, A/B/C testing

State-of-the-art technology – stable performance, fully GDPR compliant

Flexible extensions – shop information, microgeographic data, AI models

Global Soft d.o.o. (founded 2016)

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