| # | Company | Employees |
|---|---|---|
| 1 |
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 |
| 2 |
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 |
| 3 |
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 |
| 4 |
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 |
| 5 |
Inverto | A BCG Companyinverto.com
An international management consultancy specializing in strategic procurement and supply chain management, helping clients reduce costs, optimize processes, and digitize procurement |
838 |
| 6 | 687 | |
| 7 |
Kienbaumkienbaum.com
A leadership advisory and management consulting firm that brings potential to life by matching individuals and companies for a sustainable future |
650 |
| 8 |
q.beyond AGqbeyond.de
Provides leading IT solutions for SMEs, addressing technological challenges, making business models future-ready, and enhancing business value with proprietary AI data centers. |
634 |
| 9 |
Qvest Globalqvest.com
A global technology consultancy specializing in digital transformation, system architecture, ICT integration, and software development for media industry innovation |
457 |
| 10 |
parcIT GmbHparcit.de
Leading provider of software and methodology services for bank management, risk assessment, and rating processes in Germany, specializing in solutions for financial institutions |
343 |
| 11 |
rhenag Rheinische Energie AGrhenag.de
With nearly 150 years in the energy business, this unique organization combines regional roots with nationwide reach, offering energy services and software solutions |
308 |
| 12 |
SEVEN PRINCIPLES GROUP7p-group.com
A digital business solutions company based in Cologne, helping clients with digital business models, sustainability, and digital transformation through innovative IT solutions |
253 |
| 13 |
infodasinfodas.com
Founded in 1974, specializes in cyber and information security, offering consulting, high-security products, and IT security services to various sectors in Germany |
214 |
| 14 |
Solidaris Unternehmensgruppesolidaris.de
Solidaris specializes in tailored auditing and consulting services for the healthcare and social sectors, prioritizing ethical values and industry-specific expertise |
190 |
| 15 | 188 | |
| 16 |
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 |
| 17 | 181 | |
| 18 | 107 | |
| 19 |
crossconsultingcrossconsulting.de
An independent consulting firm specializing in financial services, offering strategic solutions with implementation services, risk-sharing options, and access to digitalization and personnel experts |
53 |
| 20 |
GRAS - Global Risk Assessment Servicesgras-system.org
Provides reliable ecological, social risk information for agricultural, forestry biomass; customized solutions for stakeholders in food, feed, chemical sectors, NGOs, and certification bodies. |
33 |
| 21 |
AAA Auctor Actor Advisor GmbH3-a-3.de
Specialized consultancy in the insurance industry offering strategic thinking, independent guidance, and tailored solutions for organizational transformation through innovative approaches and expertise |
27 |
| 22 | 13 | |
| 23 | 12 | |
| 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 |
Healing Hotels of the Worldhealinghotelsoftheworld.com
A global hospitality brand focusing on holistic healing excellence, offering consulting, curated hotel collections, holistic wellness audits, education, and events |
7 |
| 26 |
Making Sales Easy for engineersmakingsaleseasy.fr
Facilitates sales and service excellence workshops helping engineering companies adopt customer-centric approaches for repeatable business success. |
1 |
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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 2, 2026.
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