| # | Company | Employees |
|---|---|---|
| 1 |
Sparkassesparkasse.de
A reliable bank providing personalized financial solutions and expertise for both personal and business customers, supporting success in all financial matters |
47,973 |
| 2 |
Deutsche Bahndeutschebahn.com
International provider of mobility and logistics services in 130 countries, designing and operating future transport networks, connecting people and markets with innovative solutions |
28,448 |
| 3 |
Helios Health GmbHhelios-health.com
Ensures high-quality, efficient, patient-focused healthcare, combining German and Spanish operations, seeking growth by integrating hospital groups and medical center chains, and exchanging know-how worldwide. |
16,793 |
| 4 |
Helios Kliniken GmbHhelios-gesundheit.de
A leading private healthcare provider in Europe, with over 80 hospitals, 230 medical centers, and a focus on high-quality, transparent care for millions of patients |
10,000 |
| 5 |
Charité - Universitätsmedizin Berlinkarriere.charite.de
Germany's largest university hospital, ranking in the top 10 globally, values diversity, innovation, and interdisciplinary collaboration to provide outstanding healthcare with fair work conditions |
9,826 |
| 6 |
Johanniter-Unfall-Hilfe e.V.johanniter.de
A large organization based in Berlin, offering a wide range of services nationwide including healthcare, emergency response, social services, and youth programs |
4,017 |
| 7 | 3,383 | |
| 8 |
Deutsche Rentenversicherung Bunddrv-bund-karriere.de
A leading social security institution in Germany offering secure and well-paid jobs, with diverse career opportunities and excellent working conditions |
3,306 |
| 9 |
Vivantes – Netzwerk für Gesundheit GmbHvivantes.de
A leading healthcare provider with diverse services, including hospitals, nursing homes, senior residences, group practices, and hospice care, prioritizing employee well-being |
3,219 |
| 10 |
Deutsches Rotes Kreuzdrk.de
A part of the International Red Cross Movement, this organization in Germany provides humanitarian aid, crisis relief, and social services through a vast network of volunteers |
2,956 |
| 11 |
BG Klinikenbg-kliniken.de
A large hospital group in Germany treating injured individuals and those with occupational diseases on behalf of the statutory accident insurance |
2,634 |
| 12 |
DKB | Deutsche Kreditbank AGdkb.de
A forward-thinking bank in Berlin specializing in digital innovations and sustainable financing for renewable energy, real estate, and social projects in Germany |
2,351 |
| 13 |
Berliner Verkehrsbetriebe (BVG)karriere.bvg.de
A crucial employer in Berlin's public transport sector, offering various roles in driving, maintenance, engineering, IT, customer service, security, and administration |
2,337 |
| 14 | 1,990 | |
| 15 |
50Hertz Transmission GmbH50hertz.com
Operation and expansion of high-voltage electricity transmission network in northern and eastern Germany, ensuring reliable supply and renewable integration. |
1,865 |
| 16 |
Die Autobahn GmbH des Bundesautobahn.de
Management, planning, construction, operation, maintenance, financing, and administration of Germany's federal autobahn network with uniform quality standards. |
1,795 |
| 17 |
SEFE Securing Energy for Europe GmbHsefe.eu
International energy partner, providing reliable, affordable supply through trading, sales, transport, and storage, supporting decarbonization with clean energy investments. |
1,662 |
| 18 |
Trade Republictraderepublic.com
Europe's largest savings platform democratizing access to capital markets for all Europeans Founded in 2015 with global investor backing |
1,368 |
| 19 |
MEDIAN Unternehmensgruppe B.V. & Co. KGmedian-kliniken.de
MEDIAN is a leading provider of medical rehabilitation and mental health services in Europe, operating over 430 facilities and serving 260,000 patients annually |
1,355 |
| 20 |
Berliner Sparkasseberliner-sparkasse.de
A longstanding financial institution in Berlin, offering a range of banking services to nearly two million customers, with a strong focus on customer needs and community engagement |
1,223 |
| 21 |
Berliner Wasserbetriebebwb.de
The company provides clear water and operates with transparent business practices, presenting key financial indicators and performance figures for water supply and drainage |
997 |
| 22 |
BEW Berliner Energie und Wärme GmbHbew.berlin
Provider of district heating, cooling, and decentralized energy solutions focusing on decarbonization through coal phase-out and climate-neutral generation for the city of Berlin. |
996 |
| 23 |
Berliner Volksbank eGberliner-volksbank.de
A regional cooperative bank in Berlin and Brandenburg with 1,800 employees, supporting social projects, education, culture, and local businesses while providing financial services |
873 |
| 24 |
Stromnetz Berlin GmbHstromnetz.berlin
Responsible for the distribution network in Berlin, advancing towards a Smart City with sustainable resources, ensuring reliable electricity supply through underground cables |
865 |
| 25 |
ib vogt GmbHibvogt.com
Develops turnkey PV plants and battery storage projects. Performs all services: development, financing, EPC, O&M, asset management for global electricity decarbonization. |
844 |
| 26 |
Malteser Hilfsdienst gGmbHmalteser.de
An international Catholic aid organization providing assistance to people in need regardless of religion, origin, or political beliefs through a combination of volunteers and employees |
806 |
| 27 |
Johanniter GmbHjohanniter.de
Provider of over 100 healthcare facilities including hospitals, rehabilitation clinics, and nursing homes Offers growth opportunities and is seeking new employees and trainees |
805 |
| 28 |
Solaris SEsolarisgroup.com
provides modular embedded finance technology enabling businesses to offer customer-centric banking services across various industries seamlessly |
780 |
| 29 |
DRK Kliniken Berlinkarriere.drk-kliniken-berlin.de
A healthcare organization in Berlin with four clinics, a hospice, and a nursing facility serving 200,000 patients annually with 3,900 employees |
776 |
| 30 |
Berliner Feuerwehrberliner-feuerwehr.de
Provides fire protection and emergency response services in Berlin with professional and volunteer firefighters ensuring public safety daily. |
753 |
| 31 |
DB Bahnbau Gruppe GmbHbahnbaugruppe.de
The company focuses on building and maintaining railway infrastructure, promoting diversity and innovation, and offering a wide range of services and career opportunities |
725 |
| 32 |
GASAG Gruppegasag-gruppe.de
Traditional Berlin-based energy company providing gas, green electricity, and innovative technologies to lead and shape the energy transition. |
718 |
| 33 |
Deutsches Herzzentrum der Charité (DHZC)dhzc.charite.de
A specialized hospital in Berlin dedicated to diagnosing and treating cardiovascular and thoracic diseases, with expertise in minimally invasive surgery and transplantations |
702 |
| 34 |
airberlin
Operate frequent domestic and European flights, long-haul routes to US, Caribbean, Middle East, modern eco-efficient fleet, frequent flyer program. |
688 |
| 35 |
Berliner Stadtreinigungbsr.de
A company focused on providing professional waste collection, recovery, disposal, street cleaning, and winter road maintenance services in Berlin |
671 |
| 36 |
Volksbanken Raiffeisenbankenvr.de
A company with 170 years of experience focused on financial expertise, human values, and strong community relationships, offering career opportunities with flexibility |
631 |
| 37 |
AOK Nordostaok.de
Innovative health insurance company in northeast Germany supporting 17 million insured persons with comprehensive medical care, prevention, and eHealth solutions |
600 |
| 38 |
IT-Dienstleistungszentrum Berlinitdz-berlin.de
Specializing in standardizing ICT workplaces, offering consulting and implementing new solutions to improve service quality for the City of Berlin |
589 |
| 39 |
PŸUR | Tele Columbustelecolumbus.com
A leading German fiber network operator providing high-speed internet, phone, TV services, and custom fiber solutions to residential and business customers nationwide |
581 |
| 40 |
Johannesstift Diakoniejohannesstift-diakonie.de
A leading healthcare and social organization in Berlin and northeastern Germany, offering modern medicine, compassionate care, and various services guided by Christian values |
561 |
| 41 |
Russian Postruspost.eu
A leading logistics group in Russia offering domestic and international e-commerce, parcel shipping and logistics solutions, with a strong European presence |
512 |
| 42 |
mkk – meine krankenkassemeine-krankenkasse.de
A leading German health insurance company with over 550,000 clients, focusing on improving healthcare, promoting innovation, and social responsibility |
491 |
| 43 |
Toll Collect GmbHcompany.toll-collect.de
A technology service provider operating one of the world's largest toll systems, contributing to infrastructure maintenance and environmental protection |
450 |
| 44 |
Investitionsbank Berlinibb.de
A business development bank in Berlin providing monetary support and finance consultancy services to SMEs, startups, and founders in the city |
424 |
| 45 |
Sparda-Bank Berlin eGsparda-b.de
A member-strong cooperative bank in Germany with over 500,000 participants, Sparda-Bank Berlin eG serves private customers at 85 locations in the new states and Berlin |
417 |
| 46 |
Berlin Hypberlinhyp.de
A subsidiary of LBBW, Berlin Hyp specializes in large-scale real estate financing for professional investors and housing companies, with a focus on sustainability and innovation |
336 |
| 47 |
Veolia | Deutschlandveolia.de
A leading global provider of optimized resource management solutions in water, waste, and energy sectors, focusing on sustainable development for communities and businesses |
305 |
| 48 |
Quirin Privatbank AGquirinprivatbank.de
A German bank offering fee-based financial advice, independent of in-house products, with a focus on asset management for individual and corporate clients |
271 |
| 49 |
Lloyds Bank Deutschlandlloydsbank.de
Providing banking services under Bank of Scotland and Lloyds Bank brands, with a focus on customer satisfaction and teamwork Offering career opportunities |
255 |
| 50 |
Weberbank Actiengesellschaftweberbank.de
An extended network bank in Berlin, offering comprehensive and individualized wealth management solutions with a focus on sustainable growth and community support |
176 |
| 51 |
Iberdrola Deutschlandiberdrola.de
Leading the energy transition, the company operates renewable energy plants, offers decarbonization services, and provides tailored green energy solutions to reduce CO2 footprint |
118 |
| 52 |
DB International Operationsio.deutschebahn.com
DB International Operations acquires and manages railway projects globally, offering passenger and freight rail transport services with expertise from Deutsche Bahn Group |
103 |
| 53 |
Abellio Rail Mitteldeutschlandabellio.de
Abellio provides rail passenger services in Germany, operating multiple lines with a focus on comfort, reliability, and safety for customers |
98 |
| 54 |
BVV Versicherungsverein des Bankgewerbes a.G.bvv.de
A company founded in 1909 provides reliable services for occupational pension plans in the banking and financial industry, managing over €31 billion in assets |
93 |
| 55 |
ubitricityubitricity.com
Operates extensive public charge point network. Provides lamppost, bollard, fast, and rapid charging solutions. Partners with local authorities to expand infrastructure. |
82 |
| 56 |
Storengy Deutschlandstorengy.de
A leading gas storage company in Germany, specializing in planning, building, and operating storage facilities for climate-neutral energy like hydrogen and renewable gases |
59 |
| 57 | 56 | |
| 58 |
Berlin Direkt Versicherungberlin-direktversicherung.de
An innovative insurance company in Berlin offering a range of digital, flexible, and social products including bike, dental, liability, travel, and pet insurance |
53 |
| 59 |
FRIDAY Insuranceallianzdirect.de
Full-stack digital insurer offering car, home, liability insurance with innovative features like mileage-based pricing and CO2 compensation across Europe. |
51 |
| 60 |
ABK Allgemeine Beamten Bank AGabkbank.de
The company specializes in providing loans, real estate financing, and investment services to over 100,000 customers, with a focus on personalized customer service |
33 |
| 61 |
Berliner Sparkasse Landesbank Berlin
A financial services company based in Berlin, Germany, offering a range of banking services and solutions to customers |
32 |
| 62 |
ELEMENT Insurance AGelement.in
A digital insurer revolutionizing the industry with modern technology, data-driven approach, and white-label insurance products for various partners across Europe |
31 |
| 63 |
TF Bank in Deutschland & Österreichtfbank.de
The company offers consumer loans, e-commerce solutions, and credit cards in multiple European countries, while providing fee-free Mastercard Gold and flexible savings accounts in Germany and Austria |
30 |
| 64 |
Landesbank Berlin - Girozentrale
A banking company based in Berlin, Germany, offering financial services and solutions to customers in the region and beyond |
6 |
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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.
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- Real Estate companies in Berlin 33
- Automotive manufacturers and suppliers in Berlin 32
- Advertising Services companies in Berlin 32
The same list elsewhere in Germany
- Critical infrastructure operators in Germany 1,098
- Critical infrastructure operators in North Rhine-Westphalia 222
- Critical infrastructure operators in Bavaria 187
- Critical infrastructure operators in Baden-Württemberg 142
- Critical infrastructure operators in Hesse 131
- Critical infrastructure operators in Lower Saxony 101
- Critical infrastructure operators in Rhineland-Palatinate 42
- Critical infrastructure operators in Saxony 31
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- Critical infrastructure operators in Cologne 26