These are large companies in Cologne, many of them with an international presence. The list includes several retail groups such as REWE Group, which operates supermarkets and DIY stores, and SNIPES, a sneaker and streetwear chain. Other notable companies are TÜV Rheinland Group, focused on testing and certification, and LANXESS, a specialty chemicals company.
The data shows a strong concentration in retail, with companies like REWE, PENNY International, and beeline Group. However, there is also a significant presence of diversified services, including the Cologne University of Applied Sciences and HRS Group, a tech company specializing in business travel.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
TÜV Rheinland Grouptuv.com
Testing, certifying, and training for products, processes, and management systems to ensure safety, quality, and efficiency worldwide. |
18,408 | |||
| 2 |
REWE Grouprewe-group.com
Operates diverse retail formats like supermarkets, discounters, and DIY stores. Also manages wholesale for on-the-go consumption and a significant travel and tourism division across Europe. |
18,084 | |||
| 3 |
LANXESSlanxess.com
A leading specialty chemicals company with global operations, focusing on the development, manufacturing, and marketing of chemical intermediates, additives, and consumer protection products |
14,000 | |||
| 4 | 8,857 | ||||
| 5 |
PENNY International (REWE Group)rewe-group.com
The company focuses on simplifying shopping for customers with regional products at reasonable prices in five countries, as part of the REWE Group |
5,908 | |||
| 6 |
SNIPESsnipes.com
A leading sneaker and streetwear chain in Europe and the USA, offering a wide range of brands for urban youth culture |
4,750 | |||
| 7 |
Formel D Groupformeld.com
Global automotive service provider offering market leading concepts and scalable solutions across the automotive value chain, from development to aftersales service Passion, professionalism, team spirit |
3,726 | |||
| 8 |
Eurowingseurowings.com
Offering quality flights at reasonable prices to over 130 destinations worldwide Seeking motivated employees to join a prestigious aviation company |
2,574 | |||
| 9 |
Cologne University of Applied Sciencesth-koeln.de
A diverse university focusing on technology, arts, and sciences, offering a wide range of degree programs and conducting research on societal challenges |
2,223 | |||
| 10 |
REWE digitalrewe-digital.com
A tech team of IT and non-IT specialists collaborates to bring innovative ideas to life, enhancing retail and improving lives Welcome to the Home of IT! |
1,846 | |||
| 11 |
RIMOWArimowa.com
A global lifestyle brand under LVMH, creating high-quality travel essentials with a focus on longevity, luxury, heritage, innovation, and craftsmanship |
1,708 | |||
| 12 | 1,705 | ||||
| 13 |
Toyota Financial Services Europe and Africatoyota-europe.com
Global financial services company in 21 countries, providing quality products tailored to customer needs, driven by passionate individuals shaping the future of mobility |
1,675 | |||
| 14 |
beeline Group (Fashion Accessories)beeline-group.com
Supplier of trendy fashion jewelry and accessories with strong international presence, multiple brands, and partnerships with major retailers worldwide. |
1,549 | |||
| 15 |
Malteser in Deutschlandmalteser.de
An international Catholic aid organization providing assistance to people in need regardless of their background, with a focus on healthcare and social services |
1,499 | |||
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 | 1,468 | ||||
| 17 |
ENGIE Deutschlandengie-deutschland.de
A key player in Germany's energy supply, combining global strength with regional presence by generating power, supplying energy, and offering energy services |
1,368 | |||
| 18 | 1,172 | ||||
| 19 |
KHD Humboldt Wedagkhd.com
Global authority in cement manufacturing, offering innovative equipment and solutions to increase productivity, efficiency, reduce costs, and improve environmental performance worldwide |
1,082 | |||
| 20 |
EASA - European Union Aviation Safety Agencyeasa.europa.eu
Ensures European citizens the highest level of aviation safety protection, with specific regulatory responsibilities and executive tasks in aviation safety for the EU. |
1,076 | |||
| 21 |
igus SE & Co. KGigus.eu
manufacturer of energy chain systems and polymer plain bearings, specializing in motion plastics for moving applications worldwide |
1,065 | |||
| 22 |
TÜV Rheinland Asiatuv.com
A global leader providing technical services focused on safety and quality, with nearly 20,000 employees and annual revenues close to €2 billion |
1,015 | |||
| 23 |
Luther Rechtsanwaltsgesellschaft mbHluther-lawfirm.com
Provides comprehensive legal and tax services to medium-sized enterprises, large corporations, and public sector clients across Europe and Asia. |
963 | |||
| 24 |
TIMETOACT GROUPtimetoact-group.com
The company specializes in modernizing and integrating IT applications for businesses, while also designing and implementing digital business models for innovative clients |
952 | |||
| 25 |
Detecondetecon.com
Leading consulting partner specializing in digital transformation, connectivity, and communications to implement innovative business models for enhanced customer experiences and employee satisfaction. |
950 | |||
| 26 |
BCG Platinionbcgplatinion.com
Global interdisciplinary consultancy delivering large-scale technology projects, platform architecture, and cybersecurity solutions to accelerate digital transformations and drive innovation for diverse clients. |
945 | |||
| 27 |
Leyboldleybold.com
Providing advanced vacuum pumps, systems, and customized solutions for manufacturing, research, coating, thin films, and analytical processes. |
921 | |||
| 28 |
Uniplanuniplan.com
A global brand experience agency that creates memorable moments for clients, connecting brands with customers through comprehensive concept-to-completion services worldwide |
855 | |||
| 29 |
Malteser Internationalmalteser-international.org
A humanitarian relief agency providing emergency aid, sustainable development support, and health services globally, guided by Christian values and humanitarian principles |
844 | |||
| 30 |
DEGdeginvest.de
A company providing financing, advice, and support to private sector enterprises in developing and emerging-market countries, focusing on development impact and career growth |
844 | |||
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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 11, 2026.
More company lists in Cologne
- The largest companies in Cologne 464
- SaaS companies in Cologne 51
- Financial services firms in Cologne 47
- Software Development companies in Cologne 44
- Retail chains in Cologne 40
- Companies with in-house R&D in Cologne 35
- Critical infrastructure operators in Cologne 31
- IT services companies in Cologne 31
- Companies with a mobile app in Cologne 30
- IT Services and IT Consulting companies in Cologne 30
- Professional services firms in Cologne 30
- Financial Services companies in Cologne 28
- Consulting firms in Cologne 26
- Corporate groups and holding companies in Cologne 25
The same list elsewhere in Germany
- Multinational companies in Germany 4,800
- Multinational companies in North Rhine-Westphalia 996
- Multinational companies in Bavaria 958
- Multinational companies in Baden-Württemberg 781
- Multinational companies in Hesse 466
- Multinational companies in Lower Saxony 242
- Multinational companies in Rhineland-Palatinate 117
- Multinational companies in Schleswig-Holstein 85
- Multinational companies in Saxony 67
- Multinational companies in Berlin 442
- Multinational companies in Munich 382
- Multinational companies in Hamburg 320
- Multinational companies in Frankfurt 178
- Multinational companies in Düsseldorf 132
- Multinational companies in Stuttgart 99
- Multinational companies in Bremen 65
- Multinational companies in Bonn 54
- Multinational companies in Hanover 45
- Multinational companies in Nuremberg 44
- Multinational companies in Mannheim 42
- Multinational companies in Essen 41
- Multinational companies in Karlsruhe 36
- Multinational companies in Aachen 33
- Multinational companies in Wiesbaden 30