Member Directory


who Ingenieurgesellschaft mbH
Schwertfegerstr. 27
Luebeck  Schleswig-Holstein  D-23556
Tel: +49 451 317 81 000
Fax: +49 451 317 81 399

who Ingenieurgesellschaft mbH Logo

Established in 1995, the who Ingenieurgesellschaft mbH is an owner-managed company that has its seat in Lübeck, Germany. Due to the increasing order volume, the number of employees has continuously been growing from initially 2 to currently about 50.

The company's expertise is based on over 20 years of experience and more than 500 successfully completed projects. Their customers and development partners are international technology corporations, medium-sized companies as well as municipal and communal entities from Germany. The who Ingenieurgesellschaft mbH sees its customers as development partners that substantially contribute to the realization of the project by presenting their ideas.

As a holder of know-how, the company aims to make a contribution to Industry 4.0 and to the IoT—a subject that is getting ever more important. Diverse research projects are therefore realized in close cooperation with technology institutes and universities, which enables the company to pass on and enhance its expertise at the same time. Educational institutions as well as the who Ingenieurgesellschaft mbH benefit from the acquired knowledge. Also, the unique research results have a direct impact on the projects of the development partners.

The building and industrial automation, the medical technology, and the broad field of smart communication are the main focus of the development work. More than 30 engineers develop modular hardware, software, and firmware solutions for a wide range of application areas such as measurement/control/feedback control technology, heating/ventilation/climate control technology, actuator/sensor technology, and lighting technology.

Whichever technical solution the customer chooses, the experienced specialists of the who Ingenieurgesellschaft mbH are familiar with the required protocols, e.g., LonWorks, KNX, DALI, EnOcean, BACnet, and custom-specific protocols. As almost any development can be realized on the basis of either Powerline Communication or radio, the company may provide individual solutions that are completely media independent.

However, the who Ingenieurgesellschaft mbH does not impose any restrictions on itself but constantly opens up new areas. Current projects include, for example, the development of new operating systems and mobile applications. Completely new ideas and concepts are pursued in the emerging development areas Street Lighting and Smart City, which will characterize our cities in the near future.

Additionally, the who Ingenieurgesellschaft mbH is able to offer its customers a comprehensive service package. In the planning stage, the company and the customer jointly bring the customer’s idea to paper. This is the fundament of creating a concept that meets exactly the requirements of the customer and the product to be developed.
During the entire development phase, the customer is regularly informed about the progress of the project which is measured on the basis of agreed milestones. If desired, the customer may be involved in the development and qualification processes.

Nonetheless, the cooperation does not have to end with the delivery of the product. Upon request, the customer will be provided with additional production support, technical support or even support throughout all phases of the product lifecycle.
Thanks to this comprehensive and balanced approach and the enormous wealth of experience, the who Ingenieurgesellschaft mbH is an ideal partner for the development of innovative products and the realization of the most demanding projects.

LonMark Contact Information:

Henning Woock
Managing Partner
Tel: +49 451 317 81 000
E-mail: henning.woock(a)


© 2007-2019 LonMark International. Terms of Use | Privacy Policy (“Cookie”) cookie settings: view/edit

     We are LonMark...

LonMark Associate

who Ingenieurgesellschaft mbH
joined LonMark as a Member over 15 years ago.


Membership to LonMark International is open to any company, organization or individual committed to the development, manufacture, and use of interoperable open, multi-vendor control systems utilizing ISO/IEC 14908-1 and related standards.

Visit the Membership section for information on how to join LonMark International.