The companies in Düsseldorf with in-house R&D are primarily large, established firms in manufacturing and engineering. Henkel, with over 42,000 employees, is a global company in Adhesive Technologies and Consumer Brands. TK Elevator engineers, manufactures, and services elevators and escalators worldwide. GEA Group specializes in machinery and process technology for food processing. Rheinmetall is an integrated technology group in defense and civilian markets.
The data shows a concentration of companies in industrial manufacturing, such as voestalpine Böhler Welding, a leader in welding solutions, and Heitkamp & Thumann Group, a partner for precision formed metal and plastic components. There is also a presence of higher education institutions like the University of Düsseldorf, founded in 1965, and Universitätsklinikum Düsseldorf, a university hospital.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Henkelhenkel.com
A global company with over 145 years of success in Adhesive Technologies and Consumer Brands, focused on innovation, responsibility, and sustainability |
42,329 | |||
| 2 |
TK Elevatortkelevator.com
Engineering, manufacturing, installing, modernizing, and servicing elevators, escalators, walkways, passenger boarding bridges, and residential lifts globally, with a focus on sustainable urban mobility. |
25,032 | |||
| 3 | 19,000 | ||||
| 4 |
Rheinmetallrheinmetall.com
An integrated technology group, providing innovative products and services in defense and civilian markets, focusing on security and sustainable development, with a goal of CO2 neutrality. |
14,934 | |||
| 5 |
Rheinmetall Grouprheinmetall.com
An innovative company focused on pioneering technologies to provide innovative solutions for global challenges, with a collective and passionate approach |
5,930 | |||
| 6 |
University of Düsseldorfhhu.de
This higher education institution provides academic life for 30,000 students on a modern campus with collaborative research centers in North Rhine-Westphalia. |
3,958 | |||
| 7 |
Gerresheimergerresheimer.com
Innovative provider of pharmaceutical containment solutions, drug delivery systems, and medical devices worldwide, ensuring safe drug delivery and administration to patients |
3,768 | |||
| 8 | 3,251 | ||||
| 9 |
Envaliorenvalior.com
A new global engineering materials leader, formed by merging DSM Engineering Materials and LANXESS High Performance Materials, specializing in novel polyamides, polyesters, and specialty materials |
1,722 | |||
| 10 |
Universitätsklinikum Düsseldorfuniklinik-duesseldorf.de
Leading university hospital in Düsseldorf, providing high-level medical care, research, and medical education with a focus on innovation and specialized treatments |
1,557 | |||
| 11 |
Düsseldorf University of Applied Scienceshs-duesseldorf.de
A large university of applied sciences in North Rhine-Westphalia offering diverse courses in architecture, design, engineering, media, social sciences, and economics |
1,321 | |||
| 12 |
voestalpine Böhler Weldingvoestalpine.com
A global leader in welding solutions, surface protection, and soldering/brazing consumables, offering tailored products and expertise to meet demanding challenges worldwide |
1,150 | |||
| 13 |
Heitkamp & Thumann Groupht-group.com
A leading global partner for precision formed metal and plastic components, with a focus on efficiency, quality, and innovation |
689 | |||
| 14 |
Huawei Deutschlandhuawei.com
A global provider of information technology and telecommunications solutions with a focus on connectivity, computing, devices, automotive, digital power, and cloud services |
490 | |||
| 15 | 
Henkel AG & Co. KGaAhenkel.de
A chemicals company headquartered in Düsseldorf, Germany, specializing in a wide range of products for consumers, craftsmen, and industrial applications |
424 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 16 |
NiCE Cognigycognigy.com
Revolutionizing customer service with cutting-edge AI workforce for instant, personalized support in any language and on any channel Partnered with global brands |
347 | |||
| 17 |
AIKO Energyaikosolar.com
A global clean energy technology company specializing in photovoltaic products, inverters, battery storage, and energy management systems for a carbon-free society |
321 | |||
| 18 |
Mines and Metals Engineering GmbHmme-co.de
Specializing in turnkey engineering projects for mining and metal industries worldwide, offering consultancy, technical support, and own DRI technology for iron and steel production plants |
301 | |||
| 19 |
coconet Groupcoconet.de
A top whitelabel digital corporate banking platform provider in Europe, offering innovative solutions for banks with a unique channel platform |
199 | |||
| 20 |
Cumulocitycumulocity.com
This company offers a robust IoT platform to connect products securely, optimize customer experiences, improve field services, enhance product insight, and increase revenue streams |
198 | |||
| 21 |
SHISEIDO GERMANYshiseido.de
A global beauty company introducing innovative products with a mission to create new lifestyles worldwide, guided by core principles and values |
129 | |||
| 22 |
Caseware Germanycaseware.com
A global leader in audit, financial reporting, and data analysis solutions, serving firms, companies, and government agencies with innovative software for Cloud and Desktop |
111 | |||
| 23 |
Zendurezendure.de
Global leader in providing reliable, affordable clean energy solutions for households worldwide, promoting sustainable living through EnergyTech innovations and community collaboration |
86 | |||
| 24 |
Synology GmbHsynology.com
Manufacturer of NAS devices, routers, and video surveillance solutions providing intuitive software for data storage, backup, collaboration, and network infrastructure. |
80 | |||
| 25 | 60 | ||||
| 26 |
LenioBioleniobio.com
Development of sustainable protein technologies combined with machine learning to accelerate innovation in medicine and food production globally. |
45 | |||
| 27 |
i-doit Groupi-doit.com
A community-driven company developing i-doit, a tool for IT documentation, to help small and medium enterprises manage modern IT operations efficiently and effectively |
24 | |||
| 28 |
xFusion Europexfusion.com
Global provider of computing infrastructures and services, driving digital transformation in various industries with innovative solutions for customers worldwide |
18 | |||
| 29 |
Getac Technology GmbHgetac.com
A subsidiary specializing in rugged notebooks, tablets, and handhelds for military, law enforcement, and commercial sectors with customized solutions and integrated hardware and software |
15 | |||
| 30 |
Laboratoire Native Deutschland GmbH
A leading cosmetic company with iconic brands focused on skincare, haircare, cosmetics, and perfumes, emphasizing innovation, sustainability, and global distribution |
6 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Düsseldorf
- The largest companies in Düsseldorf 347
- Multinational companies in Düsseldorf 132
- Financial services firms in Düsseldorf 41
- Retail chains in Düsseldorf 37
- Critical infrastructure operators in Düsseldorf 32
- Software Development companies in Düsseldorf 29
- Professional services firms in Düsseldorf 28
- Companies with a mobile app in Düsseldorf 25
The same list elsewhere in Germany
- Companies with in-house R&D in Germany 2,450
- Companies with in-house R&D in Bavaria 529
- Companies with in-house R&D in Baden-Württemberg 520
- Companies with in-house R&D in North Rhine-Westphalia 455
- Companies with in-house R&D in Hesse 200
- Companies with in-house R&D in Lower Saxony 138
- Companies with in-house R&D in Rhineland-Palatinate 88
- Companies with in-house R&D in Schleswig-Holstein 52
- Companies with in-house R&D in Saxony 44
- Companies with in-house R&D in Berlin 165
- Companies with in-house R&D in Munich 148
- Companies with in-house R&D in Hamburg 84
- Companies with in-house R&D in Stuttgart 51
- Companies with in-house R&D in Frankfurt 38
- Companies with in-house R&D in Cologne 35
- Companies with in-house R&D in Aachen 29
- Companies with in-house R&D in Bremen 25
- Companies with in-house R&D in Karlsruhe 25