Bluetooth was yesterday. Visible Sound Technology is now.

Ultra-fast data transfers - ultra-secure, ultra-easy, ultra-stable. Tailored to the right recipient at the right moment. All without electromagnetic radiation via SonoBeacon hardware, app or integration into existing applications. 


Two real basic technologies, based on audio, bringing individual digital content, services and interactions on the user's smartphone, directly at the point of interest!

  • SonoWatermark  software-based technology 
    watermarks embedded in video & audio

  • SonoBeacon  soft- and hardware-based technology            inaudible digital signals via ultrasonic transmitter



Technologies, developed with Fraunhofer, use the microphone, which is available on every smart device and works in any environment, cause no electromagnetic radiation and run completely independently of Google and Apple.

We make

Sound visible.

Change now and experience the benefits of ultrasound information transmission. Developed by Fraunhofer Institute and SonoBeacon, the only provider worldwide that relies solely on the future-oriented Visible Sound Technology.

NEW: Buying impulses from TV directly to your mobile

Discover SonoWatermark, the innovative digital watermark for TV and streaming. It can be used to trigger targeted orders in connection with TV ads, movies, documentaries, soaps, sports and music shows or in streaming and media library services. 

Great for more sales - great for marketing

Application examples. What is the advantage of SonoBeacon real-time localisation in practice? What advantages does the proximity marketing by SonoBeacon offer?


Impulse - not only for retail

The stationary trade also needs new impulses. So that you can boost your customer loyalty and thus increase the average sales per customer, SonoBeacon provides convenient information transmission by ultrasound: Individual product or further information directly on the mobile devices of your customers and guests.

It’s a Kind of Magic! Overview of SonoBeacon.

SonoBeacon stands for IT pioneering spirit. Our developers are masterminds in Visible Sound Technology, which we have specially adapted to the needs of retail, the hospitality sector (hotel and gastronomy), museums and galleries, the public transport operator and the integrators of proximity marketing solutions.

Overview of SonoBeacon advantages:

  • SonoBeacon's Visible Sound Technology also works offline - without electromagnetic radiation.

  • The localisation accuracy in combination with the simple and robust technology is almost unbeatable.

  • Pairing problems like with Bluetooth wireless technology are eliminated.

It's a kind of magic! SonoBeacon Technology is ultra-secure, ultra-fast, ultra-easy.

About us

SonoBeacon stands for IT pioneering spirit. Our ambitious developers are the makers of the groundbreaking Visible Sound Technology, which they adapt specifically to the needs of different industries.

The company was founded in 2013 by a trio of founders around entrepreneur Thoralf Nehls and is based in the state capital of Schwerin. A team of around a dozen employees sits there and in a branch in Hamburg's Speicherstadt.

The Bode Museum in Berlin is one of the first reference customers. There an exhibition was equipped with the SonoBeacon technology including the beacons.

We are pleased if we have aroused your interest in our company. Our goal is to increase the company value of SonoBeacon GmbH in a sustainable way.


Why invest in SonoBeacon? We would like to inform you about this personally.


Investor relations contact: 

Thoralf Nehls, Managing Partner



Current press releases and SonoBeacon images can be found here. 

Press contact:  
Thoralf Nehls, Managing Partner   

Interested? Request a live demo!

Philipp Hennig

Chief Sales Officer

+49 385 3993 390

+49 (0) 385 3993 390

SonoBeacon GmbH
Hagenower Straße 73
19061 Schwerin

SonoBeacon GmbH
Pickhuben 2
20457 Hamburg

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