| # | Company | Employees |
|---|---|---|
| 1 | 6,389 | |
| 2 | 4,318 | |
| 3 |
Atruvia AGatruvia.de
Digitalization partner in the banking sector, offering IT solutions, app development, and banking services to a wide range of financial institutions and other industries |
3,385 |
| 4 |
Arvato Systemsarvato-systems.com
International IT specialist supporting companies with cloud, IT operations, and process integration to create innovative, efficient, and secure digital solutions. |
3,018 |
| 5 |
ALDI DXit-jobs.aldi-sued.de
Development of innovative digital products and services for employees and customers across multiple countries and thousands of retail stores worldwide. |
2,586 |
| 6 | 2,332 | |
| 7 |
Maternamaterna.de
An internationally successful IT service provider supporting businesses and authorities with digitalization through consulting, implementation, and operation services across various sectors |
2,134 |
| 8 | 1,705 | |
| 9 |
Scheidt & Bachmannscheidt-bachmann.de
Development and provision of innovative system solutions for parking, signalling, fare collection, and energy retail in transport sectors worldwide. |
1,606 |
| 10 |
ITZBunditzbund.de
The company is leading a comprehensive IT consolidation project for the German federal government, including centralizing IT operations, developing common applications, and establishing a federal cloud |
1,305 |
| 11 | 1,148 | |
| 12 |
BITMARCKbitmarck.de
This company is a managed service provider for the IT market of statutory health insurance, focusing on digitalization and innovative solutions |
1,013 |
| 13 |
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 |
| 14 |
Damovodamovo.com
Damovo is an international ICT service provider specializing in Unified Communications, Enterprise Networks, Contact Centre, Security, Cloud Services, and Global Managed Services |
889 |
| 15 |
ACCESS Europe GmbHaccess-company.com
This company specializes in providing software solutions for connected and mobile devices, particularly in the automotive industry and media consumption in cars |
859 |
| 16 |
Convistaconvista.com
A consultancy specializing in transformation, helping clients design and implement new business processes and end-to-end SAP and IT solutions |
825 |
| 17 |
NTT DATA Business Solutions Germanynttdata-solutions.com
Providing expert implementation and management of SAP solutions for companies worldwide to drive digital transformation and maximize business potential |
818 |
| 18 |
d.velopd-velop.de
An international organization based in Germany, dvelop AG creates and markets software for digitizing business processes, offering industry-specific procedures and consulting services |
751 |
| 19 |
HRS Hospitality & Retail Systemshrsinternational.com
Providing innovative software solutions and IT services to hotels, restaurants, retail chains, and leisure businesses worldwide with expert support. |
727 |
| 20 |
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 |
| 21 |
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 |
| 22 |
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 |
| 23 |
METRO.digitalmetro.digital
Innovative product company revolutionizing wholesale for METRO stores through digital solutions, driving digital transformation and putting food on plates byte by byte |
634 |
| 24 |
opta dataoptadata.de
Leading provider of billing, software, and services in healthcare sector, catering to various customers including medical professionals, social organizations, and businesses outside healthcare industry |
632 |
| 25 |
Fiducia & GAD IT AGatruvia.de
An IT service provider for Germany's cooperative banks, Fiducia & GAD offers IT services for banking work stations, administers accounts, and operates ATMs |
603 |
| 26 |
itelligencenttdata-solutions.com
The company provides business solutions and services under the new brand since April 1, 2021 as part of NTT DATA |
557 |
| 27 |
TIMOCOMtimocom.co.uk
The company revolutionizes road logistics with smart digital solutions, connecting companies with freight and optimizing transport efficiency while reducing CO² emissions |
553 |
| 28 |
Utimacoutimaco.com
Develops on-premises and cloud-based hardware security modules, key management, data protection, identity management, and data intelligence solutions for critical infrastructures. |
533 |
| 29 |
adesso insurance solutions GmbHadesso-insure.de
Specialized in insurance software solutions, offering a product portfolio covering all insurance lines for private and commercial businesses |
531 |
| 30 |
Ratiodataratiodata.de
IT service provider offering tailored concepts, high-quality hardware/software/services, expertise in complex IT solutions, and digitalization with a focus on security and regulatory compliance |
527 |
| 31 |
codecentric AGcodecentric.de
A leading custom software development company in Germany, specializing in agile methodologies and innovative technologies with a focus on future software solutions |
522 |
| 32 |
mindsquare AGmindsquare.de
A leading IT consulting firm specializing in SAP and Salesforce, fostering personal development and digital excellence through individual software development and technology consultancy |
507 |
| 33 |
SoSafesosafe-awareness.com
Empowers organizations to build security culture, mitigate risk through GDPR-compliant awareness programs. Behavioral science, smart algorithms, engaging personalized learning, smart attack simulations. |
507 |
| 34 |
Rhenus Office Systemsrhenus.group
A European leader in document, information, and process management offering holistic solutions including mail, digitization, archiving, data destruction, and customer management |
450 |
| 35 |
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 |
| 36 |
Telekom Securitygeschaeftskunden.telekom.de
Creating a secure digital future with minimal risk and maximum opportunities for businesses of all sizes, offering comprehensive cybersecurity solutions |
448 |
| 37 |
AOK Systems GmbHaok-systems.de
AOK Systems is a leading IT partner for social insurance in Germany, specializing in SAP-based solutions for health insurance, digitalization strategies, and IT services |
413 |
| 38 |
apsolut Groupap-solut.com
Specializes in SAP and SAP Ariba procurement solutions including on-premise, cloud, hybrid setups, with expertise in SAP S/4HANA and Fieldglass. |
398 |
| 39 |
PETROLIAM NASIONAL BERHAD (PETRONAS)
An information technology and services company located in Kuala Lumpur, Germany, known for their work in the field of energy |
397 |
| 40 |
REWE Systemsrewe-systems.com
The company develops efficient IT systems for the retail sector, solves challenges with innovative technologies, and optimizes existing application landscapes for a leading German and European retail and tourism conglomerate |
387 |
| 41 |
OEDIV Oetker Daten- und Informationsverarbeitung KGoediv.de
Premium provider of infrastructure solutions and managed services, focusing on Microsoft and SAP technologies, with a strong emphasis on security and customer support |
375 |
| 42 |
rku.it GmbHrku-it.de
A mysterious company with exciting products or services on the way, sparking curiosity and anticipation among potential customers |
357 |
| 43 |
cronos Unternehmensberatung GmbHcronos.de
A consulting firm specializing in IT and process consulting for medium to large utility companies, providing innovative solutions for digitalization and business expansion |
352 |
| 44 |
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 |
| 45 |
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 |
| 46 |
HyPlus Solutionshyplus-group.com
An organization focused on driving transformation and positive impact through innovative solutions and initiatives |
340 |
| 47 |
OPITZ CONSULTING Deutschland GmbHopitz-consulting.com
Specializes in custom applications, business intelligence, process optimization, system architecture, solution development, and 24/7 support for clients. |
334 |
| 48 | 331 | |
| 49 |
Toshiba Tec Europetoshibatec.eu
Provides information technology solutions for retail, education, business services, hospitality, and manufacturing sectors worldwide, enabling efficient information management. |
325 |
| 50 |
regio iT gesellschaft für informationstechnologie mbhregioit.de
A leading IT partner for public sector organizations, offering strategic consulting, IT infrastructure, and full-service solutions in various sectors with a focus on digitalization and employee satisfaction |
322 |
| 51 |
IntexSoft Software Developmentintexsoft.com
A software development company with 20+ years of experience offering full-cycle development, enterprise solutions, and consulting services, backed by a team of 300+ professional developers |
314 |
| 52 |
Eurowings Digitaleurowings-digital.de
This company aims to provide affordable and convenient end-to-end travel experiences by connecting the physical and digital worlds, focusing on customer satisfaction |
310 |
| 53 |
Fraunhofer FITfit.fraunhofer.de
A leading institute in digitization, Industry 40, and IoT, developing human-centric IT solutions to drive digital transformation in various sectors |
306 |
| 54 |
REMIRAremira.com
A leading provider of intelligent supply chain and unified commerce solutions, utilizing AI-supported cloud technology to enhance economic success for retail, logistics, and industrial companies globally |
304 |
| 55 |
RealCore Group GmbHrealcore.de
Provides SAP consulting, system integration, and process optimization services to support digital transformation across various industries globally. |
282 |
| 56 |
DTS Systeme GmbHdts.de
A successful IT service provider with over 40 years of experience, specializing in Cyber Security, Cloud, Managed Services, and Security Software |
280 |
| 57 |
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 |
| 58 |
EASY SOFTWARE GmbHeasy-software.com
A digitalization expert providing ECM software for legal compliance, digital archiving, and automated business processes in over 60 countries |
250 |
| 59 |
KYOCERA Document Solutions Deutschlandkyoceradocumentsolutions.de
Leading provider of cost-effective output solutions, printers, copiers, and Managed Document Services Visit our website for more information and press images |
240 |
| 60 |
plusserverplusserver.com
A managed cloud service provider helping small and medium-sized enterprises navigate digital transformation with personalized services and a multi-cloud platform |
240 |
| 61 |
DSA Daten- und Systemtechnik GmbHdsa.de
Specialized in developing communication solutions for vehicle electronics, offering diagnostics systems, remote monitoring, software updates, and data analysis for the automotive industry |
236 |
| 62 |
GS1 Germany GmbHgs1-germany.de
A company that developed the universally recognized GS1 Barcode standard for efficient global business processes and solutions, used by millions worldwide |
222 |
| 63 |
S&N Invent GmbHsn-invent.de
A leading partner in the financial industry, specializing in optimizing processes and providing customized IT solutions for efficient implementation and support |
217 |
| 64 |
chargecloudchargecloud.de
The company offers a complete B2B solution for managing and billing electric vehicle charging infrastructure, catering to both CPOs and EMPS |
216 |
| 65 |
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 |
| 66 | 213 | |
| 67 |
Open Technology Services GmbHsantander-karriere.de
A subsidiary of Santander Consumer Bank AG, the company specializes in developing and implementing banking software, focusing on quality, time-to-market, and cost reduction |
194 |
| 68 |
itemis DEitemis.com
specializes in model-based software development, AI integration, cybersecurity, low-code tools, and systems engineering for efficient project success |
189 |
| 69 |
DMI GmbH & Co. KGdmi.de
Comprehensive digital solutions for healthcare data management, interoperability, and secure long-term archiving supporting hospitals and health service providers. |
186 |
| 70 |
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 |
| 71 |
Adecco Business Solutionsabs-group.de
Full-service outsourcing partner in Germany, managing complex tasks in technical services, logistics, business process outsourcing, and sales marketing. |
185 |
| 72 |
RheinBrücke IT Consultingrheincs.com
A leading IT consulting firm in Europe, specializing in consulting, technology, and outsourcing solutions for SMEs in the DACH and BENELUX region |
184 |
| 73 |
ALSO Deutschland GmbHalso.de
An information technology and services company located in Soest, Germany, specializing in providing IT solutions to clients |
184 |
| 74 |
SYNAXON AGsynaxon.ag
A leading IT association in Europe providing support in purchasing, marketing, networking, and knowledge expansion, offering flexible work options and employee benefits |
183 |
| 75 |
Windhoff Groupwindhoff-group.de
Providing innovative software solutions, consulting, design, and implementation services with expertise in SAP BI, IT management, and software engineering. |
181 |
| 76 | 181 | |
| 77 |
rola Security Solutions GmbHrola.com
Specializing in IT solutions for national and international security agencies since 1983, now a subsidiary of a major telecommunications company, combining expertise with agility |
179 |
| 78 | 173 | |
| 79 |
novaCaptanovacapta.de
The company specializes in optimizing Microsoft building blocks for digital workplaces, offering solutions to improve processes, productivity, and competitiveness for clients |
173 |
| 80 |
Südwestfalen-ITsit.nrw
Südwestfalen-IT specializes in optimizing administrative processes for local governments through tailored solutions, with a focus on transitioning to digital E-Government systems |
172 |
| 81 |
Materna Information & Communicationsmaterna.com
Visit our new profile for information on what we do [Company] specializes in providing services within the industry |
169 |
| 82 |
publicplan GmbHpublicplan.de
This company specializes in leading E-Government projects by developing open-source solutions, with a focus on making public administration digital and efficient |
168 |
| 83 |
protel hotelsoftwareprotel.net
This company offers a robust technology stack for hotels worldwide, with a groundbreaking app store and cloud-native PMS solutions Operating globally for 25 years |
166 |
| 84 |
ITENOS GmbHitenos.de
A specialist in secure IT and telecommunications solutions, offering customized services in housing, networks, and cloud services with ISO certifications |
165 |
| 85 |
Metro Systemsmetrosystems.de
IT service provider for METRO GROUP, offering system engineering, data centers, network services, IT buying, and corporate infrastructures for communication and data transfer |
163 |
| 86 |
PwC IT Services Europe GmbHpwc.de
We are the IT service provider for a leading auditing and consulting firm, specializing in driving IT forward through high-quality services |
163 |
| 87 |
UNIORG Groupuniorg.de
An international full-service provider specializing in SAP solutions, helping companies improve performance and optimize business processes with custom solutions |
163 |
| 88 |
Generali Deutschland Informatik Services GmbHgenerali-informatik.de
A full-service IT provider for one of Germany's largest financial services groups, offering innovative solutions in the insurance market |
157 |
| 89 |
Huawei Technologies Deutschland GmbH
An IT and services company based in Bonn, Germany, specializing in information technology solutions |
157 |
| 90 | 154 | |
| 91 | 153 | |
| 92 |
INVERSinvers.com
Integrated hardware and software solutions for car sharing and rental operators worldwide, making shared vehicle use convenient and affordable |
153 |
| 93 |
DMG MORI Digitalde.dmgmori.com
The company's Digital Solutions division offers connectivity, efficiency-enhancing applications, and a digital twin to enhance customers' production processes with DMG MORI machines |
151 |
| 94 |
GREEN IT Das Systemhaus GmbHgreenit.systems
This company is the first green IT system house in Germany, offering sustainable IT solutions nationwide while prioritizing economy, ecology, and environmental protection |
149 |
| 95 |
HEES Gruppehees.de
HEES provides workplace solutions to make work easier, more comfortable, and efficient through office design, technology, and ergonomic solutions for better working environments |
149 |
| 96 |
Promwad Engineeringpromwad.com
A leading software and hardware product development company, offering services in telecom, automotive, digital TV, industrial automation, and manufacturing |
149 |
| 97 |
consenso Consulting GmbHconsenso.de
A leading consulting firm specializing in SAP projects, offering strategy, process optimization, technical implementation, and management for retail, manufacturing, and chemical/pharmaceutical industries |
148 |
| 98 | 146 | |
| 99 |
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 |
| 100 |
Cologne Intelligencecologne-intelligence.de
CI specializes in helping businesses prepare for the digital future by providing tailored software, mobile applications, reporting solutions, consulting services, and business intelligence solutions |
137 |
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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 Oct 24, 2026.
More company lists in North Rhine-Westphalia
- The largest companies in North Rhine-Westphalia 2,663
- Family-owned companies in North Rhine-Westphalia 254
- Transportation, Logistics, Supply Chain and Storage companies in North Rhine-Westphalia 252
- Retail chains in North Rhine-Westphalia 242
- Financial services firms in North Rhine-Westphalia 226
- Critical infrastructure operators in North Rhine-Westphalia 222
- Software Development companies in North Rhine-Westphalia 198
- SaaS companies in North Rhine-Westphalia 187
- Manufacturers in North Rhine-Westphalia 174
- Public sector organisations in North Rhine-Westphalia 124
- Financial Services companies in North Rhine-Westphalia 116
- Logistics companies in North Rhine-Westphalia 113
- Hardware manufacturers in North Rhine-Westphalia 105
- IT services companies in North Rhine-Westphalia 99
- Machinery Manufacturing companies in North Rhine-Westphalia 86
- Banking companies in North Rhine-Westphalia 78
- Motor Vehicle Manufacturing companies in North Rhine-Westphalia 78
- Distributors and wholesalers in North Rhine-Westphalia 75
- Automotive manufacturers and suppliers in North Rhine-Westphalia 72
- Retail companies in North Rhine-Westphalia 67
- Food and Beverage Manufacturing companies in North Rhine-Westphalia 66
- Insurance companies in North Rhine-Westphalia 63
- Energy companies in North Rhine-Westphalia 61
- Wholesale companies in North Rhine-Westphalia 59
The same list elsewhere in Germany
- IT Services and IT Consulting companies in Germany 755
- IT Services and IT Consulting companies in Bavaria 166
- IT Services and IT Consulting companies in Baden-Württemberg 121
- IT Services and IT Consulting companies in Hesse 69
- IT Services and IT Consulting companies in Lower Saxony 35
- IT Services and IT Consulting companies in Rhineland-Palatinate 25
- IT Services and IT Consulting companies in Berlin 93
- IT Services and IT Consulting companies in Munich 84
- IT Services and IT Consulting companies in Cologne 27
- IT Services and IT Consulting companies in Frankfurt 27