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About Glimworm Beacons

Glimworm Beacons is the Netherlands first mass producer of iBeacon compatable sensors.  In January of 2014 we launched with our first beacon which differed from the competition in that is is Secure with a 6 digit PIN code; has easy access to a replaceable battery and has an elegant, high gloss design that can be customized.  In April 2014 we successfully implemented an industry first iBeacon enabled iPad Game- Mission Eureka-  with the experience company Northern Light for the Philips Museum in Eindoven.  By August 2014 we secured our position among the top 5 beacon manufacturers in the world and hosted the first Dutch iBeacon hackathon with partners Sanoma Media.  Recently, we began producing USB powered beacons for industrial use and are currently prototyping multi sensor and cloud managed beacons maintaining our position as market leaders.  Among our partners we are prod to include The Telegraaf Media Group, KPMG, DHL4U Netherlands, Netherlands Environmental Assessment Agency, Veolia Transportation, Royal BAM Group, The Europeana Foundation- Europe's Digital Library and Public Service Broadcasters NTR and AvroTros and The Cities of Amsterdam and Rotterdam.

Glimworm beacons is a co-operation between Glimworm IT of Amsterdam, and Tweetonig of Rotterdam and Sven-Erik Haitjema.

Below are the company and personal profiles:

Glimworm IT

Since 2000 Glimworm IT has been innovating with one goal in mind- make the web fast, easy and affordable for everyone. We began with Firefly, our own web content management system, building website and enabling organizations across industry sectors. Over the years have build a large client base from the very small to the very large who all have one need in common- a partner they can trust to help them communicate in a rapidly changing world.

Now we have the mobile web, smart phones, apps, big data and the Internet of things (IOT) and so we adapt, we change and grow, building new services and products that create value for ourselves our clients and the public. Weather it’s an award winning app like Vistory or ParkShark, a simple WordPress website or IOT innovations like the Heathy Life Lamp or iBeacons, we still have the same commitment- make technology work for everybody; solve big problems with simple and effective ideas and always- time and time again- make it fast, easy and affordable for everyone.

Sven-Erik Haitjema

Sven is a talented embedded systems engineer. He has worked a satellite currently orbiting earth, built creative solutions for marble tracks and now takes on the adventure of beacons.

As an Embedded Systems Engineer, he works with the latest developments that are at the heart most modern day devices.

Although a strong theoretical background is necessary, Sven enjoys working with 3d printers,

PCB mills and soldering irons, these are all tools that make it possible to convert theory into exciting practice


Tweetonig is a multidisciplinair design office. Our work varies from industrial to hardware design. Everything, as long as we enjoy doing it.

Our masterplan is easy: Only fun things to do, for the rest of our lives. Only 1 problem, we enjoy doing too many things.

‘Tweetonig’ is a made up Dutch word. It translates literally to ‘duotone’, a variaton of the Dutch word “eentonig” which means monotonous and is often used synonymously to boring.

Thing we enjoy, and our clients enjoy us doing, are concept development, product design, prototype and best of all, prepare and escort mass production. As real engineers we always have things like “easy assembly”or “better for mass production” in our heads.