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ABOUT US

#teamHK

WHO WE ARE

HK.DIGITAL is your partner for sophisticated IoT solutions.

From the initial idea to ongoing operation. We combine hardware, sensor technology, connectivity, cloud, data, and software into individual solutions that can be seamlessly integrated into existing processes and systems.

Our customers benefit from a unique combination of long-standing technological expertise and digital innovation. Together with our corporate network, we bundle know-how from electronics, sensor technology, communication, software, and digitalization to create solutions that work in practice.

Whether individual modules or a complete package: we develop exactly what our customers need. From the development and production of networked devices to SIM management and intelligent data analysis, through to frontend, system integration, and ongoing operation, we support projects holistically and in partnership.

Our goal: not to make digitalization more complicated, but simpler. We integrate quickly and transparently into our customers' structures, work at eye level, and take responsibility – so that an idea becomes a functioning, scalable, and sustainable IoT solution.

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OUR HISTORY

Where decades of experience meet the digital future.

Technological expertise grown over five decades forms our DNA – since 2021 with HK.SYSTEMS and since 2024 with HK.DIGITAL, this has become a holistic IoT competence within HK.SYSTEMS AG.

  1. The DNA is formed

    The history on which today’s corporate network is built began with the founding of Hoffmann + Krippner. Over decades, comprehensive expertise has grown in electronics, sensor technology, HMI, connectivity, and digitalization.

  2. 2021-04-01 – Founding of HK.SYSTEMS

    With the founding of HK.SYSTEMS GmbH, this accumulated expertise was bundled into a new company. The focus is on developing individual IoT and digitalization solutions.

  3. 2021–2023 – Building the IoT business

    HK.SYSTEMS continuously develops its service portfolio – from IoT devices and sensor technology to connectivity and cloud, through to data integration, frontend, and operations. Holistic solutions for customers emerge from individual technologies.

  4. 2024-02-01 – HK.SYSTEMS becomes HK.DIGITAL

    HK.SYSTEMS GmbH becomes HK.DIGITAL GmbH. The new name better expresses the increased focus on digital and networked solutions. HK.DIGITAL positions itself as a holistic partner for sophisticated IoT solutions.

  5. 2024-08-01 · The HK.SYSTEMS holding company is formed

    With the reorganization of the corporate group, a holding company is created under the name HK.SYSTEMS. It forms the common umbrella for established specialists and bundles expertise from IoT, HMI, sensor technology, electronics, connectivity, and digitalization.
    HK.DIGITAL remains in place as an operating company.

  6. 2025-08-15 · HK.SYSTEMS AG

    The holding company is further developed under corporate law and registered as HK.SYSTEMS AG. This creates today’s overarching structure, under whose umbrella the various companies and competencies work together.

  7. Heute

    Today · HK.DIGITAL within HK.SYSTEMS AG

    Today, HK.DIGITAL is the IoT and digitalization specialist within the HK.SYSTEMS AG network. From the development and production of networked devices to connectivity and the IoT Engine, through to data integration, frontend, and operations, HK.DIGITAL realizes individual solutions from a single source.

WHAT WE DO

We enable our customers to achieve a fast, effective entry into digitalization.

We deliver an individual solution to every customer and offer a complete package or individual modules depending on requirements: development and production of IoT devices including sensor technology, SIM card management, the cloud platform for intelligent data analysis (IoT Engine), and the transfer of data into customer systems. Furthermore, we develop the frontend and ensure the ongoing operation of the networked solution.

Our team ensures fast implementation. During the project phase, we integrate ourselves seamlessly into our customers' internal structures and act as transparently as an in-house department. In this way, our customers save not only time but also costs.

LEARN MORE

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THE HK TECHNOLOGY NETWORK

HK.SYSTEMS connects

A strong holding company for innovative solutions:

HK.SYSTEMS connects leading companies in the fields of HMI (Human Machine Interface) and IoT (Internet of Things). With a wide range of high-quality products and services, these companies are pioneers for groundbreaking solutions in their respective fields. We combine technical know-how, many years of experience, and a clear vision to inspire our customers worldwide and meet their individual requirements.

Companies in the Human-Machine Interface Sector

At the Heart of the Interface Between Humans and Machines

Control elements
+ sensor technology

For many years, Hoffmann + Krippner GmbH & Co. KG has been a leading provider of innovative solutions in the fields of input technology and sensor technology. With high-quality products and extensive expertise, Hoffmann & Krippner helps companies worldwide make their products more user-friendly and more powerful.

Control elements
+ metal housings

TES Frontdesign GmbH are the experts for customized solutions in the field of complete manufacturing of individual operating systems – including the assembly of electronic components. A team of designers and engineers develops and manufactures unique, aesthetic, and functional control elements and metal housings.

Companies in the Internet of Things sector

The Internet of Things for a Connected World of Smart Devices

HK.DIGITAL

IoT Solutions + Connectivity
Electronics Development

Together with its customers, HK.DIGITAL realizes holistic IoT solutions from a single source: starting with the selection, development, and production of suitable devices, through location-independent connectivity, scalable cloud platforms, intelligent data analysis, transfer to customer systems, and customizable customer APPS, to the implementation and operation of the networked solution. "Safety First" applies to all process steps: guaranteed data security according to certified standards.

IoT cloud platform
API + APP development

ROBIOTIC GmbH works closely with HK.DIGITAL and develops a wide range of key components for joint IoT projects: from the IoT cloud platform to software development and API interfaces, all the way to app development. Customers also benefit greatly from the company’s many years of experience in the areas of data security and data privacy. As an additional service, ROBIOTIC guarantees the smooth and successful operation of the connected solution.

Digital interaction
User + Device

TAP2CLOUD® builds the bridge from analog objects to digital twins. All fixed assets, consumables, and other assets can be managed in the user-friendly cloud platform – absolutely securely and in real time. This allows customers to use their data effectively with TAP2CLOUD, optimize business processes, and develop forward-looking business cases – including through easy-to-implement retrofit solutions.

DNA Outside the Holding Company

In addition to our own companies within the holding company, our close-knit technology network also includes external companies. We have maintained long-standing and extremely successful partnerships with them. This collaboration drives us all forward, and the resulting success spurs us on even further.

Digital
ordering processes

TK-World AG has revolutionized the digital marketing of rate plans and service connections. Drawing on many years of outstanding expertise, the company implements digital ordering processes, order fulfillment, and customized service concepts. TK-World is a leader in the implementation and operation of white-label shops in the telecommunications sector.

IoT interfaces
+ eCommerce

spectrum8 GmbH focuses on developing interfaces for automated order data processing, integration with customer and CRM systems, and IoT interfaces. Leveraging its expertise, the company also designs, implements, and operates platforms and e-marketplaces.

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IOT WORKSHOP - FIRST STEPS

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towards digitalization will look like!

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