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With over 20 years of experience in the digital market place, we offer implementation of complex and sophisticated web applications as well as consultation for all aspects of digital media.

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Since 1998, our customers have benefited from our services and our extensive experience in the digital market.

Web Applications

Develop, adapt and enhance.

  • Performance
  • Usability

Security and Transparency in Digital Marketing

GSI offers you a unique platform „Made in Germany“ for analyzing and optimizing your digital marketing. With us you will achieve an over 20% sustainable efficiency and effectiveness increase.

  • Analyse
  • Processing
  • Tracking

Our Team

We are a team of developers, creators and thinkers who will find suitable solutions and new possibilities for you and, above all, with you.

Foto: Sascha Kalabuchow
Sascha Kalabuchow
Foto: V. Münch
V. Münch
Foto: R. Zerm
R. Zerm
Head of Frontend Development
Foto: K. Schumacher
K. Schumacher
Head of Development
Foto: C. Luncian
C. Luncian
Member of Development

From then until today

Continuity and steady growth make GP One GmbH a reliable and stable partner for the online media sector.

Development and marketing of own internet websites.
Development of web-applications for clients on behalf of resellers.
Termination of reseller-contracts and start of direct sales.
Leap into “Digital Marketing” as marketer.
Founding of in-house advertising marketplace.
Found of GP One GmbH and development start for project “GSI”.
Introduction of various new types of advertising types and sales of marketing rights.
Market launch of the product “GSI”.
Marketing and development of the product “GSI”.


Allendorf (Eder):
Otto-Wickenhöfer-Str. 7a,
D-35108 Allendorf/Battenfeld (Eder)
+49 (0) 6452 - 911360
Battenberg (Eder):
Im Tiefenbach 4,
D-35088 Battenberg (Eder)
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We look forward to hearing from you

To contact us, please use the form or just give us a call.

Your career with GP One GmbH clode-button

We are always on the look out for new talents, who love doing what we have to offer. We offer you a fully equipped gym for endurance and body training, showers, a sunbed, street ball court and a cinema for lunch and flexi-times.

web designer / digital mediadesigner (m/f/d)

online marketing manager (m/f/d)

film and video editor / cutter (m/f/d)

application computer scientist (m/f/d)

database Developer (m/f/d)

backend Developer (m/f/d)

frontend Developer (m/f/d)