| # | Company | Employees |
|---|---|---|
| 1 |
Continentalcontinental.com
Continental develops innovative technologies for sustainable and connected mobility for vehicles, machines, and transportation, generating billions in sales annually |
64,855 |
| 2 |
TUItuigroup.com
Leading global travel and leisure experience company, making holiday dreams come true worldwide. Operates airlines, hotels, cruise liners, agencies, and digital platforms. |
62,000 |
| 3 |
Land Niedersachsenniedersachsen.de
Provides secure jobs across various sectors including administration, environment, education, IT, and police, promoting diversity and career development. |
23,289 |
| 4 |
TÜV NORD GROUPtuev-nord-group.com
Offers global consulting, service, and inspection solutions across diverse sectors including mobility, industrial services, IT, natural resources, and aerospace. |
5,960 |
| 5 |
HDI Internationaltalanx.com
A division of Talanx Group offering non-life and life insurance products outside Germany, operating in Europe and Latin America through various distribution channels |
4,807 |
| 6 |
HDI Global SEhdi.global
Providing tailored insurance and risk management solutions for SMEs, corporations, and multinational clients across diverse industries worldwide. |
4,521 |
| 7 |
Leibniz Universität Hannoveruni-hannover.de
Providing education and research across natural sciences, engineering, humanities, social sciences, law, and economics with quality focus. |
3,668 |
| 8 |
Hannover Rehannover-re.com
Global reinsurer offering property, casualty, life, and health reinsurance with strong financial ratings and innovative risk solutions worldwide. |
3,082 |
| 9 |
HDI Groupcareers.hdi.group
A big European insurance group with a 120-year tradition, specializing in industrial and private insurance, fostering innovation, and promoting entrepreneurship |
2,934 |
| 10 |
Medizinische Hochschule Hannovermhh.de
A company based in Lower Saxony, Germany within the higher education sector, specializing in medical sciences and research |
2,541 |
| 11 | 2,114 | |
| 12 |
E.ON Digital Technologyeon.com
A global digital technology business function enabling digital transformation for a private energy company, specializing in energy networks, customer solutions, and renewable energies |
1,915 |
| 13 |
KKH Kaufmännische Krankenkassekkh.de
Provider of statutory health insurance in Germany, supporting individuals and families with illness and preventive care, delivering personalized service and healthcare benefits for policyholders |
1,671 |
| 14 |
Robinson Club GmbHrobinson.com
Managing two premium resort brands offering all-inclusive sports, fitness programs, professional childcare, and diverse dining experiences across beach and mountain locations worldwide. |
1,478 |
| 15 |
AOK Niedersachsenaok.de
A leading health insurance provider in Lower Saxony, offering protection to 29 million members through a wide network, innovative programs, and comprehensive medical coverage |
1,454 |
| 16 |
BestDrive by Continental
Specializes in comprehensive automotive maintenance and full car servicing, ensuring vehicle reliability and optimal performance for customers. |
1,344 |
| 17 |
Volkswagen Nutzfahrzeugevolkswagen-nutzfahrzeuge.de
Develops, constructs, and sells light commercial vehicles like Transporter, Caddy, and Crafter. Creates optimized vehicle concepts, telematics, and logistics solutions for resource conservation and efficiency. |
1,252 |
| 18 |
KRH Klinikum Region Hannoverkrh.de
A network of 10 hospitals providing innovative healthcare to improve the well-being of patients in Hannover and beyond, with a focus on local medicine and high-quality care |
1,192 |
| 19 |
Hochschule Hannoverhs-hannover.de
The second largest university in the capital city of Lower Saxony, offering over 60 accredited study programs with a focus on teaching, research, and practical experience |
1,171 |
| 20 |
enercityenercity.de
One of the largest energy service providers in Germany supplying electricity, heat, natural gas, and drinking water with a focus on sustainability and customer support |
998 |
| 21 |
Landeshauptstadt Hannoverhannover.de
This company is based in a historic village-turned-modern city in Germany, known for its cultural institutions, shopping, events, and hosting international expos |
914 |
| 22 |
VGH Versicherungenvgh.de
Largest insurance provider in Lower Saxony with extensive regional network, offering private and corporate insurance services and strong community focus. |
836 |
| 23 |
RICOH Germanyricoh.de
Provider of document management, IT and communication services, commercial printing, digital cameras, and industrial systems for smarter workplaces. |
821 |
| 24 |
Forbo Movement Systemsforbo.com
Global manufacturer of high quality conveyor and processing belts, plastic modular belts, timing belts, and flat belts, providing customer-driven solutions for material handling |
777 |
| 25 |
TÜV NORD Mobilität GmbH & Co. KGtuev-nord.de
A company optimizing digital processes and offering various services related to mobility for car dealerships, workshops, and end customers |
772 |
| 26 |
RFS - Radio Frequency Systemsrfsworld.com
Design and manufacture of advanced RF cables, connectors, antennas, and conditioning products supporting 5G, small cells, and smart city networks. |
751 |
| 27 |
HDI Global Specialty SEhdi-specialty.com
Global specialty insurance subsidiary providing expertise and support for unique and challenging insurance needs to clients internationally Learn more at wwwhdi-specialtycom |
705 |
| 28 |
Horbach Wirtschaftsberatunghorbach.de
HORBACH specializes in holistic financial planning for academics and sophisticated private clients, offering personalized strategies and solutions for all financial needs and life situations |
704 |
| 29 |
VHV Gruppevhv-gruppe.de
Specialists in insurance, pension, and asset management with brands VHV Versicherungen and Hannoversche Partner for insured individuals and brokers, earning 32 billion Euros in premiums |
701 |
| 30 |
Hannover Medical Schoolmhh.de
A leading state institution in Lower Saxony for research, teaching, and superior healthcare in human medicine and dentistry, with integrated services on campus |
697 |
| 31 |
Bahlsen Groupbahlsen.com
A family business with 130 years of experience, producing high-quality biscuits and snack bars, driven by innovation, passion, and commitment |
671 |
| 32 |
Swiss Life Select Deutschlandswisslife-select.de
German financial advisory firm offering holistic advice on insurance, investment, and retirement planning, tailored to individual needs, with career opportunities for diverse backgrounds |
654 |
| 33 |
MADSACK Mediengruppemadsack.de
A media group focusing on regional and local news with newspapers, advertising papers, digital media, film/TV production, postal services, and communication solutions |
614 |
| 34 |
Neptune Energyneptuneenergy.de
Extraction of natural gas and crude oil in Germany, focusing on low emissions, sustainability, and future energy solutions like lithium and geothermal. |
603 |
| 35 |
Sparkasse Hannoversparkasse-hannover.de
With over 200 years of experience, this financial institution in Hannover supports businesses and invests in community projects for sustainable development |
594 |
| 36 |
Swiss Life Deutschlandswisslife.de
Leading provider of financial and retirement solutions, offering flexible insurance products and services to individuals and businesses through various brands Headquarters in Zurich |
589 |
| 37 |
VHV Versicherungenvhv-partner.de
A leading specialist insurer in construction, auto, liability, life insurance, and retirement planning Committed to evolving products to meet changing needs and offering strong customer service |
569 |
| 38 |
Mecklenburgische Versicherungs-Gesellschaft a. G.mecklenburgische.de
A long-standing insurance company with engaged employees, offering open communication, responsible projects, and a journey towards the future Contact via socialmedia@mecklenburgischede |
566 |
| 39 |
Deutsche Messe AGmesse.de
Global trade fair organizer hosting technology events and community festivals, bringing together innovators and industry leaders for collaboration and sustainability |
557 |
| 40 |
TUI Deutschlandtuigroup.com
A leading German tourism company responsible for creating, distributing, and marketing holiday travel packages in Germany and Central Europe |
533 |
| 41 |
Hornetsecurityhornetsecurity.com
A global provider of cloud-based security solutions, offering comprehensive protection for Microsoft 365 and serving over 75,000 customers worldwide |
533 |
| 42 |
GTU Mobility GmbH & Co. KGgtu-mobility.de
Specializing in traffic infrastructure consulting, planning, management, and inspection Core competencies include transport facilities, signaling technology, and structural engineering in growing markets |
501 |
| 43 |
Hacon Ingenieurgesellschaft mbHhacon.de
Develops software for transport operators and passengers, focusing on mobility-as-a-service, travel information, ticketing, and scheduling for sustainable, convenient, accessible mobility. |
500 |
| 44 |
TÜV NORD Systems GmbH & Co. KGtuev-nord.de
A public safety company based in Hannover, Germany, specializing in providing safety and inspection services |
483 |
| 45 |
Heise Medien GmbH & Co. KGheisegroup.de
Heise Medien publishes high-quality computer and technology magazines, along with online content, events, and workshops for IT professionals |
441 |
| 46 |
Industriegewerkschaft IGBCEigbce.de
An influential German trade union with over 580,000 members representing workers in sectors with 11 million employees, advocating for solidarity and social justice |
408 |
| 47 |
Talanxtalanx.com
Major European insurance group offering industrial and retail insurance, reinsurance, bancassurance, asset management, and financial services through various brands and divisions worldwide |
393 |
| 48 |
BG-Phoenics GmbHbg-phoenics.de
Providing full-service IT solutions including digital workplaces, specialized applications, and data center operations for accident insurance organizations nationwide. |
391 |
| 49 |
Federal Institute for Geosciences and Natural Resources (BGR)bgr.bund.de
The German Centre of Excellence for geoscience advises the Federal Government on various geoscience and natural resource issues, providing scientific advice internationally |
390 |
| 50 |
BizLink Factory Automation & Machineryfactory-automation-machinery.bizlinktech.com
Development and manufacturing of specialized cables, connectors, robotic assemblies, and automation solutions for industrial and factory automation applications worldwide. |
368 |
| 51 | 361 | |
| 52 |
Hannoversche Volksbank eGhannoversche-volksbank.de
A regional cooperative bank based in Hannover, Germany, with a large customer base and comprehensive financial services, including 34 branches |
356 |
| 53 |
DIAKOVERE gGmbHdiakovere.de
A leading non-profit healthcare and social services organization in Northern Germany, offering a wide range of services from hospitals to rehabilitation and hospice care |
352 |
| 54 |
Evangelische Kirche in Deutschlandekd.de
The company supports and coordinates 20 regional church bodies, manages international relations, and shapes public perception of the Evangelical Church in Germany |
344 |
| 55 |
Norddeutsche Landesbanknordlb.de
A leading universal bank in Northern Germany offering a wide range of financial services to individuals, businesses, public sector, and international projects in various sectors |
344 |
| 56 |
Concordia Versicherungenconcordia.de
An insurance company located in Hannover, Germany, offering insurance services on a mutual basis |
336 |
| 57 |
WERTGARANTIE Groupwertgarantie-group.com
A long-standing group offering insurance for household devices, smartphones, bikes, and more Emphasizing sustainability, social engagement, and a diverse, supportive work culture Visit website for more |
334 |
| 58 |
IT.Niedersachsenit.niedersachsen.de
ITNiedersachsen digitally transforms the Lower Saxony state administration by providing IT services, support, hardware/software, and training for over 100,000 users |
330 |
| 59 |
PreussenElektrapreussenelektra.de
A part of the EON Group, we are responsible for decommissioning eight nuclear power plants in Germany, transitioning to future-oriented solutions at our sites |
329 |
| 60 |
SPIE ICS – SPIE Information & Communication Services GmbHspie.de
A reliable partner in IT, communication, and security solutions, guiding customers towards a secure and digital future with innovative services and sustainable infrastructure |
323 |
| 61 |
NBank - Investitions- und Förderbank Niedersachsennbank.de
Providing support and solutions for individuals, businesses, and communities in Lower Saxony to foster growth and quality of life |
321 |
| 62 |
BURGER KING Deutschland GmbHburgerking.de
A fast-food chain with over 750 restaurants in Germany, focusing on quality, innovation, and employee development in a fun, diverse environment |
315 |
| 63 |
wienerberger Deutschlandwienerberger.de
A leading manufacturer of clay building materials in Germany, offering innovative solutions for sustainable construction, supporting creative design and healthy living |
249 |
| 64 | 244 | |
| 65 |
Bildungswerk der Niedersächsischen Wirtschaft gGmbHbnw.de
As a solution partner, this company supports individuals and businesses in transformation processes by focusing on personal and organizational development through enjoyable learning experiences |
240 |
| 66 |
HERO Softwarehero-software.de
Innovative cloud-based software-as-a-service solutions for craftsmen in Germany and Europe, catering to various trades with a focus on growth |
229 |
| 67 |
EASYFITNESS.clubeasyfitness.club
A leading fitness and franchise chain in Germany, promoting active lifestyles and personal growth with high-quality, affordable clubs and diverse studio concepts |
198 |
| 68 |
LGLN Landesamt für Geoinformation und Landesvermessung Niedersachsenlgln.de
The company provides geospatial data services in various forms, with a focus on land surveying, mapping, and geoinformatics, offering career opportunities and promoting lifelong learning |
197 |
| 69 |
TUI InfoTec GmbHtui-infotec.com
An experienced IT service provider based in Germany, offering virtualization, cloud services, IT management, SAP supervision, and data management in its own secure centers |
186 |
| 70 |
TIB – Leibniz-Informationszentrum Technik und Naturwissenschaften und Universitätsbibliothektib.eu
The company is a national library specializing in technology, engineering, architecture, chemistry, IT, mathematics, and physics with a digital focus |
183 |
| 71 |
Staatliches Baumanagement Niedersachsennlbl.niedersachsen.de
This company in Lower Saxony manages construction projects for the state and federal government, including planning, development, maintenance, and sale of properties |
182 |
| 72 |
Staatstheater Hannover - Staatsoper und Schauspiel Hannoverstaatstheater-hannover.de
A leading multi-genre theater company in Germany presenting opera, theater, dance, and concerts with a focus on diversity and internationality |
179 |
| 73 |
HIS Hochschul-Informations-System eGhis.de
Located in the heart of Hannover, this software house develops IT solutions for over 200 universities in Germany with a strong team of 300 employees |
179 |
| 74 |
Hanover University of Music, Drama and Mediahmtm-hannover.de
A renowned institution in Germany for training in music, drama, and media, offering diverse study programs and world-class master classes |
178 |
| 75 |
Niedersächsische Landesbehörde für Straßenbau und Verkehrstrassenbau.niedersachsen.de
A state authority in Lower Saxony planning, constructing, and maintaining roads, bridges, tunnels, and bike paths to ensure safety and mobility |
175 |
| 76 | 170 | |
| 77 |
VSM · WE KNOW ABRASIVESvsmabrasives.com
With over 155 years of experience, the company specializes in producing high-quality coated abrasives for achieving the perfect finish on various surfaces They also customize solutions for individual grinding applications |
168 |
| 78 |
NSI | HSVNnsi-hsvn.de
A non-profit organization providing vocational and university education, employee training, and continuous professional development for public administration and management in Lower Saxony |
167 |
| 79 |
Laser Zentrum Hannover e.V. (LZH)lzh.de
A research and development organization specializing in laser technology and photonics, offering solutions in optical components, production technologies, and biomedical photonics |
166 |
| 80 |
Zentrale Polizeidirektion Niedersachsenpolizei-nds.de
A central service provider for police departments in Lower Saxony, Germany, supporting operations in areas like IT, communication, procurement, and workshops Offering diverse career opportunities |
164 |
| 81 |
Sparkassenverband Niedersachsensvn.sparkasse.de
A banking company located in Hannover, Germany, providing financial services to clients in Niedersachsen region |
164 |
| 82 | 164 | |
| 83 |
Vincentz Network GmbH & Co. KGvincentz.net
A leading media company in Germany, specializing in print, online, and events, offering innovative and high-quality industry networks and information |
162 |
| 84 |
GP Günter Papenburg AGgp-papenburg.de
Family-owned company founded in 1963, now a network of 61 subsidiaries with 4,000 employees nationwide Specializes in raw material extraction, construction, and machinery |
158 |
| 85 |
IHK Hannoverihk.de
Represents the interests of over 180,000 member companies in the Hannover region and surrounding areas through the Chamber of Industry and Commerce |
157 |
| 86 |
CHANNEL21 GmbHchannel21.de
A leading German homeshopping company in Hannover specializing in health products, fashion, beauty, jewelry, household items, gourmet foods, and electronics |
152 |
| 87 |
Kassenärztliche Vereinigung Niedersachsenkvn.de
The company represents doctors and psychotherapists in ensuring statewide healthcare access, negotiating fees with insurers, and supporting work-life balance for employees |
151 |
| 88 |
Deutsche Hypo NORD/LB Real Estate Financedeutsche-hypo.de
Center of competence for commercial real estate finance conducting business in Germany, UK, France, Benelux, Spain, Poland, and Austria Headquarters in Hanover |
148 |
| 89 |
Medizinischer Dienst Niedersachsenmd-niedersachsen.de
The Medical Service of Lower Saxony provides impartial social medical assessments and consultations to help make informed decisions in healthcare |
148 |
| 90 |
velpTEC edutainmentvelptec.de
The company prepares individuals for the future economy by offering personalized educational programs, empowering them to adapt to economic and technological changes |
146 |
| 91 |
Hannoversche Lebensversicherung AGhannoversche.de
The company offers reliable and affordable insurance solutions for over 145 years, focusing on protecting moments that make life worth living |
143 |
| 92 |
reifencom GmbHabout.reifen.com
A multi-channel specialist in Germany for tyres and wheels, offering a wide range of products and excellent service through online and physical locations |
135 |
| 93 |
GETEC ENERGIEgetec-energie.de
Since 2001, this company provides comprehensive energy services to consumers, providers, and producers They focus on making energy procurement, delivery, and marketing efficient and sustainable |
131 |
| 94 |
Martin Braun-Gruppemartinbraungruppe.com
A global company developing, producing, and distributing convenience products for baking, confectionery, and catering industries to wholesalers, retailers, and companies worldwide |
119 |
| 95 |
AGILA Haustierversicherung AGagila.de
Specialized pet insurance provider offering health coverage, surgery protection, and liability insurance for dogs in Germany and Austria. |
119 |
| 96 |
event it AGeventit.ag
An event company offering personalized solutions through a unique combination of events, personnel, event software, and participant management, integrating innovation and technology to simplify processes |
118 |
| 97 |
mitNORM GmbHmitnorm.de
This company revolutionizes financial advisory by setting new standards, providing transparency, and offering digital client folders for easy access to all financial information |
117 |
| 98 |
LANCO Group GmbHlanco-group.com
A global manufacturer of tents, decontamination showers, rescue boats, protective equipment, and logistic solutions for disaster control and security purposes |
110 |
| 99 |
Sparda-Bank Hannoversparda-h.de
A leading cooperative bank in Northern Germany, offering extensive services in mortgage financing and investment tailored to individual customer needs |
105 |
| 100 |
Inter Hannover (International Insurance Company of Hannover SE)inter-hannover.com
A subsidiary of a top reinsurer, specializing in primary insurance across Europe, America, and Australia Diverse portfolio, strong financial backing, global presence |
104 |
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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 Oct 9, 2026.
The same list elsewhere in Germany
- The largest companies in Germany 13,485
- The largest companies in Berlin 1,477
- The largest companies in Munich 957
- The largest companies in Hamburg 824
- The largest companies in Frankfurt 475
- The largest companies in Cologne 417
- The largest companies in Düsseldorf 307
- The largest companies in Stuttgart 266
- The largest companies in Bremen 177
- The largest companies in Bonn 135
- The largest companies in Nuremberg 132
- The largest companies in Karlsruhe 120
- The largest companies in Essen 112
- The largest companies in Mannheim 106
- The largest companies in Dortmund 97
- The largest companies in Aachen 89
- The largest companies in Leipzig 80
- The largest companies in Dresden 79