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ambitious and international

about us

h3ko is a service provider specializing in the individual implementation of software and media solutions. Overview of our services:

Company Profile

Reliability, speed, thoroughness and diversity are attributes that best describe our working methods.

We see ourselves as an international service provider and work for you around the globe, because in the age of globalisation and internationalization processes should be organised in a cross-border way. International communication takes place in English. Besides the language, we expect cultural differences. For an optimal process workflow of your company we incorporate in our work your local needs and end-user requirements.

To strengthen the skills base we provide training, act as sponsors for Deutschlandstipendiums and are always open to queries for providing working places for internships and writing of master and bachelor theses in the following study programmes: Computer science, Business informatics, Business studies and similar.

Company founders

Norman Schwenzer (l.) und Rico Herlt (r.)

Norman Uhlmann (l.) and Rico Herlt (r.) Company founder and director guarantee high quality of final products due to their professional education.

Wir suchen Dich!

We are looking for you and your passion for digital media!

h3ko offers students the opportunity to work as a working student in the area of software development and media. In addition, the application for internships in this area is possible, with and without supervision of theses. We’re looking forward for applications to (Please CV, study documentation and a short cover letter).

Custom software and media-products

Our goal is to create software and media products for your individual needs and processes to support daily function and workflow of your company.

Wir suchen Dich!

Media production (print – digital and film)

Media production is a basis for software use and for the information for media users. Behind our created designs are your concepts. We set a high value on quality and usability with a visually necessary unique selling point.

We also offer creation and monitoring of communication concepts and necessary for them media products, such as short films, photos and websites.

Wir suchen Dich!

Software development

To develop a software is more than just to write source code. Behind our applications are your concepts. We value quality, which means:

  • readability of source code
  • documentation of work
  • possibility to integrate it into existing software solutions

We create software for you using the following programming languages:

  • C#, C++, Objective-C and C
  • Java
  • Delphi
  • Visual Basic
  • Python

We develop native mobile Clients for following platforms:

  • iOS
  • Android
  • Windows
Wir suchen Dich!

Consulting / support

h3ko is more than a software developer. Besides software, we offer you hardware solutions suitable for your particular application and following support, be it isolated or network solution, stationary or mobile electronic devices, as well as continued development of existing software solutions.

  • be it isolated or network solution,
  • stationary or mobile electronic devices,
  • as well as continued development of existing software solutions.


Konzeption • Entwicklung • IT-Support


DOWSER is a proprietary development for emergency services for a quick overview of existing water intakes. The digitization of all water intake points is the focuses of DOWSER. Thanks to DOWSER emergency services always have an up-to-date overview of existing water intake points in their vicinity and can complete the network of water intake points themselves.

DOWSER furthermore offers the opportunity to rate water intake points. This ensures in the long term that already registered water intake points appear only when they were rated positively by the majority. Planned is also a module to inform waterworks about water intakes with maintenance needs. It helps to combine the information flow with all the involved parties.

More information about DOWSER:



h3ko video project – app programming

This 4-part video was created in the context of a bachelor thesis and visualizes what should not be done. h3ko observed data protection, data security and user-oriented implementation.

Konzeption • Entwicklung • IT-Support

Skills Book

The Skills Book-App is a universally applicable data reading program for any books, they also can be provided. This allows the multimedia integration of film and audio files as well as a larger image library.

Skills Book


Customer video – SafetyNet

This video has been created in the context of a relaunch of the SafetyNet GmbH website. The cooperation has taken place in the framework of the soundproduktion with known speakers.

Konzeption • Entwicklung • IT-Support

Busy Petrus

The Busy Petrus App is ideal for any anglers. The motion monitoring of fishing float is either via bluetooth LE (Low energy) or Wireless-Lan. In addition to temperature, position and bite indicator on the iPhone, you can further read out some sensor values from the smartphone. Everything is matter of the personal configuration.

Busy Petrus



The Assfinet-App and Info Agent-App are mobile extensions of existing, multi-user capable brokerage services, in form of web services and smartphone applications. Online and offline modes for data access to all master data and background documents for the respective policyholder. An ideal complement for a professional client management on the go.


Our customers & partners

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You’ll find us here

h3ko Gesellschaft mit beschränkter Haftung (limited company)
Rico Herlt und Norman Uhlmann (sole power of repesentation)
Rhinstrasse 137a
10315 Berlin

Telefon: +49 30 549887-00

Register Court: Amtsgericht Charlottenburg
Commercial Register: HRB 152864 B
Tax ID Number: DE281820898