These companies in North Rhine-Westphalia are primarily IT services and consulting firms, with a focus on digital transformation, data analytics, and software development. They range from large established players to mid-sized companies, many founded in the late 1990s and early 2000s.
adesso SE offers IT services, clickworker provides crowdsourcing solutions, conet is a digitization partner, and TIMETOACT GROUP specializes in modernizing IT applications. A notable pattern is the concentration of headquarters in cities like Dortmund, Cologne, and Bonn, indicating regional hubs for IT expertise. Many firms also emphasize data-driven solutions and cloud transformation.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 6,389 | ||||
| 2 |
clickworkerclickworker.com
Leading provider of paid crowdsourcing services with 36M+ users worldwide, offering solutions like training data, surveys, text creation, classifications, and more in multiple languages |
1,593 | |||
| 3 | 1,148 | ||||
| 4 |
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 | |||
| 5 |
P3 Group
This company has been rebranded as umlaut and provides consulting services Another part focuses on a different sector |
668 | |||
| 6 |
Dataciders GmbHdataciders.com
A leading service provider in the German-speaking region, specializing in Data & Analytics solutions to prevent bad decisions, offering end-to-end implementation |
648 | |||
| 7 |
AmaliTechamalitech.com
A social business in Africa offering free IT training to empower youth for employment in the tech sector, promoting diversity and inclusion |
640 | |||
| 8 |
UNITY Consulting & Innovationunity-consulting.com
UNITY is a management consultancy specializing in innovation and transformation, helping global players and midsize companies master digital transformations for future success |
523 | |||
| 9 |
GWS Gesellschaft fuer Warenwirtschafts-Systeme mbHgws.ms
Provides ERP software solutions based on Microsoft Dynamics for wholesale and distribution companies, supporting procurement, sales, logistics, and accounting. |
449 | |||
| 10 |
QSC AGqbeyond.de
Digitizing German SMEs with cloud, consulting, outsourcing, and telecommunications services Securely guiding customers into the digital age with innovative one-stop solutions |
343 | |||
| 11 |
Atos Information Technology GmbHatos.net
Provides management consulting services focused on improving business processes, strategies, and organizational performance for various clients. |
323 | |||
| 12 |
Fraunhofer IAISiais.fraunhofer.de
A leading scientific institute specializing in Artificial Intelligence, Machine Learning, and Big Data, supporting companies in optimizing products, services, and processes for digital transformation |
318 | |||
| 13 |
TIMETOACT Software & Consulting GmbHatvantage.com
Trusted advisor providing future-proof solutions for mid-sized businesses, insurance companies, and government agencies, specializing in cloud transformation, digital workplace, BI, and more |
186 | |||
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| 14 |
Windhoff Groupwindhoff-group.de
Providing innovative software solutions, consulting, design, and implementation services with expertise in SAP BI, IT management, and software engineering. |
181 | |||
| 15 |
Dataciders QuinScape GmbHdataciders.com
IT service provider specializing in data optimization for products and business processes, offering expertise in data management, analytics, software engineering, and tailored IT solutions |
140 | |||
| 16 | 107 | ||||
| 17 |
Heringer Consulting GmbHheringer-consulting.de
An IT consulting firm specialized in sustainable data solutions in Microsoft Azure, with a focus on BI, cloud, and SQL Commitment to climate management and transparency |
77 | |||
| 18 |
OnlineDialogonlinedialog.de
Digital communication agency specializing in social media, online PR, web, and app projects Strategic planners focusing on client success Based in Düsseldorf and Berlin |
65 | |||
| 19 |
INFORM DataLab GmbHinform-datalab.com
The company provides innovative solutions for data management, analytics, and science, helping businesses make informed decisions based on data analysis |
42 | |||
| 20 |
bracketlab GmbHbracketlab.de
Ready-to-use AI platform, custom software development, expert consulting, and tailored team training for businesses seeking secure, compliant, and high-speed results. |
34 | |||
| 21 |
SIDESTREAMsidestream.tech
Tailored software solutions with focus on quality, security, and scalability Specializing in microservices, big data challenges, and long-term value creation for clients globally |
28 | |||
| 22 | 12 | ||||
| 23 | 10 | ||||
| 24 |
Cognotektcognotekt.com
The company specializes in identifying and addressing common issues in AI, Data Science, and Biotech projects to ensure successful outcomes for clients |
8 | |||
| 25 |
aiXbrain GmbHaixbrain.de
A team of tech enthusiasts from Aachen providing AI software for manufacturers to implement and scale AI use cases |
8 | |||
| 26 |
App Logik GmbHapp-logik.de
The company offers creative software solutions using various frameworks and technologies such as Flutter, React Native, Django, Kubernetes, Android, Docker, and more |
8 | |||
| 27 |
DatenLabeldatenlabel.com
Specializing in data labeling, quality assurance, and AI consulting for enterprises, this company helps drive successful AI projects through efficient pipelines and tools |
2 | |||
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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 North Rhine-Westphalia
- The largest companies in North Rhine-Westphalia 2,983
- Multinational companies in North Rhine-Westphalia 996
- Companies with in-house R&D in North Rhine-Westphalia 455
- Manufacturers in North Rhine-Westphalia 426
- Family-owned companies in North Rhine-Westphalia 335
- Retail chains in North Rhine-Westphalia 311
- Hardware manufacturers in North Rhine-Westphalia 284
- Critical infrastructure operators in North Rhine-Westphalia 272
- Transportation, Logistics, Supply Chain and Storage companies in North Rhine-Westphalia 267
- Financial services firms in North Rhine-Westphalia 238
- Software Development companies in North Rhine-Westphalia 217
- SaaS companies in North Rhine-Westphalia 201
- Corporate groups and holding companies in North Rhine-Westphalia 189
- Companies with a mobile app in North Rhine-Westphalia 175
- IT Services and IT Consulting companies in North Rhine-Westphalia 171
- Public sector organisations in North Rhine-Westphalia 160
- Logistics companies in North Rhine-Westphalia 148
- Professional services firms in North Rhine-Westphalia 147
- IT services companies in North Rhine-Westphalia 146
- Financial Services companies in North Rhine-Westphalia 126
- Consulting firms in North Rhine-Westphalia 112
- E-commerce companies in North Rhine-Westphalia 110
- Automotive manufacturers and suppliers in North Rhine-Westphalia 103
- Distributors and wholesalers in North Rhine-Westphalia 103
The same list elsewhere in Germany
- AI consultancies and service providers in Germany 134
- AI consultancies and service providers in Bavaria 35
- AI consultancies and service providers in Munich 26