Leesys – Leipzig Electronic Systems GmbH

Electronic Manufacturing Services - Made in Germany

As an Electronic Manufacturing Service (EMS) provider Leesys is offering design and production of electronic devices and systems, inspection and testing of devices, electronic and plastic parts from one source under the same roof, assembly of devices and logistics services up to after sales services.


Convincing, reliable and high performing - your enthusiasm is our satisfaction.

IZB Wolfsburg

Visit us in Wolfsburg from October 16th to 18th at hall 4 booth 4104.

Your trust in our services

News from Leesys

Dr. Karden

photo: Martin Klindtworth / ACOD Kongress 2018


The Automotive Cluster East Germany (Automotive Cluster Ostdeutschland ACOD) invited to Leipzig for its annual congress on 5 September 2018.

The ACOD Congress has become an important industry gathering in recent years. The event will enable a subject-specific, direct exchange of decision makers from Original Equipment Manufacturers (OEMs), suppliers and researchers. read more...

error seeking place


For the 6th time, from 23 to 26 August 2018, under this year's motto "A region in exhibition", the “Days of Industrial Culture Leipzig” took place. More than 100 events gave interested visitors an insight into the industrial history of the Leipzig region.


ISO9001 TÜV Süd

Leesys stands for reliability and quality. For this reason, it maintains a Quality Management System (QMS) that ensures complete customer satisfaction while emphasizing economic growth.

In order to meet the Leesys high quality standards, the Quality Management System is regularly audited by the certification body TÜV SÜD Management Service GmbH in accordance with ISO9001 and IATF16949.


MX Award 2018

The Manufacturing Excellence Award (MX Award) is a benchmarking competition that honors best practices from manufacturing companies.

"Identify strengths - set standards" is the motto of the Manufacturing Excellence (MX) network.

After completing the first application phase for the MX Award 2018 and evaluating the Self Assessment Audit, the shortlist was published in early May 2018. A total of eleven companies have read more...

ISO9001 Certificate Telealarm

TeleAlarm, a subsidiary of Leesys, successfully demonstrated in April 2018 that the requirements of ISO 9001:2015 in the area of development, production, sales and service are met.
The certification was carried out by TÜV Süddeutschland.

With the successful completion of these audits TeleAlarm repeatedly confirms its quality standard "Swiss Design - Made in Germany".

Leesys congratulates!


Prof. Dr. Petzold

Interview: Prof. Dr. Matthias Petzold

Head of Fraunhofer Center for Applied Microstructure Diagnostics, Fraunhofer Institute for Microstructure of Materials and Systems IMWS Halle


>>What we have known so far from science fiction films is now real on our streets: Cars communicate with each other, send their owners e-mails, control deviations in the middle of the trail and warn in time of an obstacle. So electronic read more...

Telealarm TA7x-family

ALTENPFLEGE 2018 is the leading fair for elderly care: Latest products, trends, topics and information will be presented at over 500 exhibitor booths. The focus is clearly on the diverse areas of care for the elderly - in-patient, semi-stationary and outpatient. Market trends and innovations from all areas of geriatric care are presented and current trends and topics discussed in the accompanying trade fair congress "Zukunftstage Altenpflege read more...

Leesys interior ceiling station

Esslingen, 1 March 2018: A family of four dies of carbon monoxide poisoning due to a defective exhaust gas pipe of their gas heating system. A few months earlier, six teenagers died of carbon monoxide poisoning in a garden shed because they had not used a gas heater fan properly.

These current examples show that a carbon monoxide (CO) warning also makes sense in Germany and these deaths could have been avoided. These devices are read more...


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Electronic Manufacturing Services (EMS) at Leesys

Electronic Manufacturing Services (EMS) is the contract manufacturing of electronic assemblies and systems. All necessary processes are covered by the EMS service provider, from material procurement to printed circuit board assembly (SMD assembly, THT assembly), automatic optical inspection (AOI), electrical testing, programming, component and device assembly, end-of-line functional testing, logistics and after-sales services.
Many EMS providers continue to evolve into E2MS providers (Electronic Engineering and Manufacturing Services) by building up their own development department to offer additional electronics development and hardware design services.


Electronics development, PCB assembly and plastics technology under one roof

As an EMS service provider, Leesys is your convincing, reliable and powerful partner for SMD assembly as well as THT assembly of electronic components. Leesys has its own electronics development department, so you can also benefit from our services as an E2MS provider. Leesys offers electronics development and manufacturing, including state-of-the-art automatic optical inspection (AOI), programming, assembly and device assembly including end-of-line functional testing.

You can also choose from the individual E2MS services: Printed circuit board assembly (SMD, THT), component and device assembly, electronics development, programming etc.


Leesys - Your EMS provider from Saxony's smart city Leipzig

In addition to customers from all over Germany, especially Bavaria and Baden-Wuerttemberg, our customers also include customers from Switzerland and the Netherlands. The majority of our customers come from the technological core regions in Germany, such as the Munich, Nuremberg-Erlangen, Berlin and the Stuttgart.