# 50 leading companies with a mobile app in Greece
Tamtam tracks 50 companies with a mobile app headquartered in Greece. This list ranks all of them by number of employees on LinkedIn, led by OTE Group of Companies (HTO), Eurobank and National Bank of Greece. Their median headcount is 591. Half of them were founded in 1981 or later. The most common headquarters are Athens (20), Marousi (5) and Thessaloniki (3).
These Greek companies with a mobile app are primarily large groups in telecommunications, finance, retail, and hospitality. Key players include OTE Group of Companies, a major telecom provider; Eurobank, a strong financial organization; Aegean Airlines, a full-service airline; and Ikos Resorts, a hospitality group. These firms showcase the breadth of established industries adopting mobile technology.
A notable pattern among these companies is their geographical concentration. Most, including National Bank of Greece, Alpha Bank, and INTERAMERICAN, have their headquarters in Athens. This indicates a strong centralization of major business operations and technological development within the Greek capital.
๐ฌ๐ท Greece ยท 50 companies ยท Updated Nov 11, 2026
| # | Company | Industry | Headquarters | Employees | Founded |
|---|---|---|---|---|---|
| 1 | [OTE Group of Companies (HTO)](https://www.tamtam.ai/c/ote-group-of-companies-hto) (cosmote.gr)
A leading technology company in Greece, part of Deutsche Telekom Group, providing a wide range of telecom services and ICT solutions for digital transformation and growth | Telecommunications | ๐ฌ๐ท Athens | 7,648 | |
| 2 | [Eurobank](https://www.tamtam.ai/c/eurobank) (eurobank.gr)
A strong financial organization offering a wide range of products and services in banking and financial sectors, focusing on social responsibility and sustainability | Financial Services | ๐ฌ๐ท Athens | 6,916 | 1990 |
| 3 | [National Bank of Greece](https://www.tamtam.ai/c/national-bank-of-greece) (nbg.gr)
A bank with a rich history and a promising future, offering stability, expertise, digital services, and a strong presence in Greece and abroad | Banking | ๐ฌ๐ท Athens | 5,473 | 1841 |
| 4 | [Alpha Bank](https://www.tamtam.ai/c/alpha-bank) (alpha.gr)
Enabling progress in life and business through integrated finance, supporting businesses in the green and digital economy, fostering inclusive progress for people and communities. | Banking | ๐ฌ๐ท Athens | 5,173 | 1879 |
| 5 | [Abdullah Al-Othaim Markets](https://www.tamtam.ai/c/abdullah-al-othaim-markets) (othaimmarkets.com)
A leading retail chain in Saudi Arabia with over 360 branches, offering a wide range of food and goods with exceptional customer service | Retail | ๐ฌ๐ท | 3,820 | 1956 |
| 6 | [Aegean Airlines](https://www.tamtam.ai/c/aegean-airlines) (en.aegeanair.com)
Full-service airline operating extensive domestic and international flights, connecting Greece with 180 destinations across 49 countries. | Airlines and Aviation | ๐ฌ๐ท Kifisia - Athens | 2,462 | 1999 |
| 7 | [efood](https://www.tamtam.ai/c/efood) (e-food.gr)
A leading delivery service in Greece, offering food, coffee, and shopping from 20,000 stores in 100 cities, focused on a fun and adventurous work culture | Technology, Information and Internet | ๐ฌ๐ท Athens | 1,617 | 2011 |
| 8 | [Lidl Hellas](https://www.tamtam.ai/c/lidl-hellas) (team.lidl.gr)
A Greek organization focused on sustainability and employee satisfaction with over 6700 staff, 230 stores, and a commitment to teamwork and growth | Retail | ๐ฌ๐ท Thessaloniki | 1,615 | 1973 |
| 9 | [Ikos Resorts](https://www.tamtam.ai/c/ikos-resorts) (ikosresorts.com)
A hospitality group redefining all-inclusive holidays with personalized experiences, upscale services, and future growth in the Mediterranean region | Hospitality | ๐ฌ๐ท Nea Moudania | 1,598 | 2014 |
| 10 | [INTERAMERICAN](https://www.tamtam.ai/c/interamerican) (interamerican.gr)
Leading insurance provider in Greece with over 50 years of experience, offering a wide range of innovative products and services to individual and corporate customers | Insurance | ๐ฌ๐ท Athens | 1,598 | 1969 |
| 11 | [Metropolitan Hospital](https://www.tamtam.ai/c/metropolitan-hospital) (metropolitan-hospital.gr)
A leading healthcare institution with top-notch medical professionals, modern facilities, advanced technology, and a focus on high-quality healthcare services for patients | Hospitals and Health Care | ๐ฌ๐ท Piraeus | 1,560 | |
| 12 | [Intralot](https://www.tamtam.ai/c/intralot) (intralot.com)
A leading gaming solutions supplier and operator, providing innovative omni-channel solutions to lottery and gaming organizations worldwide Committed to sustainable development and responsible gaming | IT Services and IT Consulting | ๐ฌ๐ท Peania | 1,468 | 1992 |
| 13 | [AB VASSILOPOULOS](https://www.tamtam.ai/c/ab-vassilopoulos) (ab.gr)
Retail grocery stores offering fresh, quality food products with a focus on customer care, community involvement, and sustainability. | Retail | ๐ฌ๐ท Gerakas - Attiki | 1,461 | |
| 14 | [Ethniki Asfalistiki](https://www.tamtam.ai/c/ethniki-asfalistiki) (ethnikiasfalistiki.gr)
With over a century of experience, we provide innovative insurance products and services to safeguard what matters most to individuals | Insurance | ๐ฌ๐ท Athens | 1,380 | |
| 15 | [Public Group](https://www.tamtam.ai/c/public-group) (public.gr)
A platform-based retailer in Greece and Cyprus offering a wide range of household electronics and entertainment products through physical stores and online platforms | Retail | ๐ฌ๐ท Kifisia | 1,068 | 2005 |
| 16 | [ฮฮฮฮฮฮ ฮ.ฮ. - HEDNO S.A.](https://www.tamtam.ai/c/hedno-s-a) (deddie.gr)
An independent organization managing electricity distribution for millions of customers through medium and low voltage networks, also overseeing high voltage networks | Oil and Gas | ๐ฌ๐ท Athens | 989 | 2012 |
| 17 | [ฮฅฮฮฮฮ / Hygeia Hospital](https://www.tamtam.ai/c/hygeia-hospital) (hygeia.gr)
A leading private hospital in Greece, established in 1974, providing high-quality health services and developing an integrated network of healthcare both locally and internationally | Hospitals and Health Care | ๐ฌ๐ท Athens | 918 | 1975 |
| 18 | [Mitsis Group](https://www.tamtam.ai/c/mitsis-group) (mitsis.com)
A tourism pioneer in Greece, offering 20 hotels with excellent service, top locations, exquisite dining, and a focus on customer experience | Hospitality | ๐ฌ๐ท Athens | 867 | 1976 |
| 19 | [Coffee Island](https://www.tamtam.ai/c/coffee-island) (coffeeisland.gr)
Sustainability-focused global coffee chain operating over 460 stores across four continents. In-house bean processing, quality control, extensive franchise network. | Food and Beverage Services | ๐ฌ๐ท Patra | 810 | 1999 |
| 20 | [Viva.com](https://www.tamtam.ai/c/viva-com) (viva.com)
A leading European cloud-based neobank offering advanced digital payments solutions and embedded banking services across 24 markets in Europe | Financial Services | ๐ฌ๐ท Marousi | 791 | 2010 |
| 21 | [Optima bank](https://www.tamtam.ai/c/optima-bank) (optimabank.gr)
A contemporary financial institution offering flexible products and services, founded in 2019 and further capitalized through share increases and convertible bond loans | Banking | ๐ฌ๐ท Marousi | 682 | |
| 22 | [COSTA NAVARINO](https://www.tamtam.ai/c/costa-navarino) (costanavarino.com)
A premier luxury resort development in Greece offering 5-star hotels, residences, world-class golf courses, spa facilities, and award-winning sustainable tourism experiences | Hospitality | ๐ฌ๐ท Messinia | 657 | 1997 |
| 23 | [Bioiatriki Healthcare Group](https://www.tamtam.ai/c/bioiatriki-healthcare-group) (bioiatriki.gr)
Leading healthcare group in Greece, providing high-quality primary healthcare services through diagnostic centers, clinics, dental and dermatological facilities, with a focus on innovation and patient care | Hospitals and Health Care | ๐ฌ๐ท Ampelokipoi | 619 | 1981 |
| 24 | [Masoutis S.A.](https://www.tamtam.ai/c/masoutis-s-a) (masoutis.gr)
A Greek retail business with a family-oriented approach, operating over 389 physical stores and offering a diverse range of products online | Retail | ๐ฌ๐ท Thessaloniki | 592 | 1976 |
| 25 | [EYDAP](https://www.tamtam.ai/c/eydap) (eydap.gr)
Leading Greek provider of water supply, sewerage, and wastewater treatment services for millions of customers with a focus on public health and environmental protection | Utilities | ๐ฌ๐ท Athens | 591 | 1926 |
| 26 | [ฮฮฮคฮฮกฮ / Mitera Hospital](https://www.tamtam.ai/c/mitera-hospital) (mitera.gr)
The largest private hospital in Greece offering comprehensive healthcare services for mothers, children, and families for over 30 years | Hospitals and Health Care | ๐ฌ๐ท Marousi | 579 | |
| 27 | [Skroutz](https://www.tamtam.ai/c/skroutz) (skroutz.gr)
Leading e-commerce platform in Greece, offering a seamless shopping experience for 35M+ users with access to 12K+ online shops Passionate about innovative software solutions | Technology, Information and Internet | ๐ฌ๐ท Athens | 536 | 2005 |
| 28 | [DYPA - Greek Public Employment Service](https://www.tamtam.ai/c/dypa-greek-public-employment-service) (dypa.gov.gr)
A Greek public service entity supervised by the Ministry of Labour, providing employment services and assistance to the community | Human Resources Services | ๐ฌ๐ท Alimos | 522 | 1955 |
| 29 | [WIND Hellas](https://www.tamtam.ai/c/wind-hellas) (nova.gr)
A dynamic telecommunications company in Europe investing in ultra-high-speed networks, fiber optic technology, and enhancing Greek market competitiveness through strategic partnerships | Telecommunications | ๐ฌ๐ท Athens | 520 | |
| 30 | [Attica Group](https://www.tamtam.ai/c/attica-group) (attica-group.com)
Leading passenger-shipping group in Greece and the Mediterranean with a modern fleet, serving 63 destinations and reaching 76 ports in Greece and Italy | Maritime | ๐ฌ๐ท Kallithรฉa | 509 | |
| 31 | [ACS Courier and Postal Services](https://www.tamtam.ai/c/acs-courier-and-postal-services) (acscourier.net)
Leading Greek courier provider since 1981, offering domestic and international delivery services at competitive prices Also offers simple mail distribution services | Truck Transportation | ๐ฌ๐ท Attiki | 422 | 1981 |
| 32 | [Allianz Greece](https://www.tamtam.ai/c/allianz-greece) (allianz.com.gr)
A member of a global group, this organization in Greece offers insurance and asset management services to individuals and businesses | Insurance | ๐ฌ๐ท Chalandri | 412 | 1991 |
| 33 | [HERON](https://www.tamtam.ai/c/heron) (heron.gr)
A leader in electricity generation and trading in Greece, also involved in natural gas supply and trading, focusing on sustainable development and green energy | Oil and Gas | ๐ฌ๐ท Athens | 405 | 2000 |
| 34 | [ฮ ฮฟฮปฮตฮผฮนฮบฯ ฮฮฑฯ
ฯฮนฮบฯ - Hellenic Navy](https://www.tamtam.ai/c/hellenic-navy) (hellenicnavy.gr)
A maritime organization safeguarding national interests, defending borders, providing security to Greek islands, supporting armed forces, and combating threats like illegal immigration | Armed Forces | ๐ฌ๐ท Athens | 404 | 1828 |
| 35 | [Info Quest Technologies](https://www.tamtam.ai/c/info-quest-technologies) (infoquest.gr)
Incorporating new technologies to provide advanced products, integrated solutions, and services that satisfy emerging needs in IT and Telecommunications convergence | IT Services and IT Consulting | ๐ฌ๐ท Kallithea | 387 | 1981 |
| 36 | [Avis Greece](https://www.tamtam.ai/c/avis-greece) (myavis.gr)
Leader in car rental and leasing, offering innovative services with a focus on green mobility and employee well-being, driving towards a sustainable future | Motor Vehicle Manufacturing | ๐ฌ๐ท Halandri | 385 | 1960 |
| 37 | [ERGO Hellas](https://www.tamtam.ai/c/ergo-hellas) (ergohellas.gr)
A global insurance powerhouse with Greek roots, offering reliable products and services, focusing on customer value and human connection | Insurance | ๐ฌ๐ท Athens | 348 | |
| 38 | [Golden Home](https://www.tamtam.ai/c/golden-home) (goldenhome.gr)
Real estate agency with a large network of agents offering services for finding homes, businesses, and land, with a focus on transparency and teamwork | Real Estate | ๐ฌ๐ท Kalamaki | 337 | 2011 |
| 39 | [Allianz European Reliance](https://www.tamtam.ai/c/allianz-european-reliance) (allianz.com.gr)
Providing comprehensive insurance solutions to help individuals create, develop, and secure their income, family, property, and quality of life | Insurance | ๐ฌ๐ท | 326 | |
| 40 | [Kathimerini](https://www.tamtam.ai/c/kathimerini) (kathimerini.gr)
This broadsheet newspaper provides impartial and reliable daily news on politics and finance, with a focus on technology, arts, and business | Newspaper Publishing | ๐ฌ๐ท Athens | 324 | 1919 |
| 41 | [Hellenic Train S.A.](https://www.tamtam.ai/c/hellenic-train-s-a) (hellenictrain.gr)
Specializing in passenger and freight rail transport, combined transport, bus services, logistics, and consulting with a focus on safety and quality | Rail Transportation | ๐ฌ๐ท Athens | 319 | 2005 |
| 42 | [PAOK FC](https://www.tamtam.ai/c/paok-fc) (paokfc.gr)
A leading football club based in Thessaloniki, Greece, with a rich history spanning three centuries and numerous championship titles | Spectator Sports | ๐ฌ๐ท Thessaloniki | 317 | 1926 |
| 43 | [Hellenic Duty Free Shops](https://www.tamtam.ai/c/hellenic-duty-free-shops) (shopdutyfree.com)
A leading Greek travel retail operator with a network of 111 shops offering duty paid and duty free products at exit points in Greece | Retail | ๐ฌ๐ท Stefanos | 315 | 1979 |
| 44 | [Hellenic Fire Corps Official ฮ ฯ
ฯฮฟฯฮฒฮตฯฯฮนฮบฯ ฮฃฯฮผฮฑ ฮฮปฮปฮฌฮดฮฑฯ](https://www.tamtam.ai/c/hellenic-fire-corps-official) (fireservice.gr)
Official page providing updates and useful information for the Hellenic Fireservice Not monitored 24/7 For emergencies, dial 199 or 112 | Fire Protection | ๐ฌ๐ท Marousi | 291 | |
| 45 | [Gregory's Food Service Group S.A.](https://www.tamtam.ai/c/gregory-s-food-service-group-s-a) (gregorys.gr)
Established in 1972, we operate over 350 stores in Greece, Germany, Romania, and Cyprus, providing delicious experiences to 250,000 daily customers | Food and Beverage Services | ๐ฌ๐ท Athens | 284 | 1972 |
| 46 | [Groupama ฮฯฯฮฑฮปฮนฯฯฮนฮบฮฎ \| Groupama Asfalistiki](https://www.tamtam.ai/c/groupama-groupama-asfalistiki) (groupama.gr)
A leading insurance provider in Greece with a strong history and commitment to customer service, innovation, and digital transformation, offering various insurance products | Insurance | ๐ฌ๐ท Nea Smyrni | 257 | 1928 |
| 47 | [Signal](https://www.tamtam.ai/c/signal-glyfada) (thesignalgroup.com)
A shipping services group offering ship management, innovative software technology, and strategic investments in the shipping and oil industry | Technology, Information and Internet | ๐ฌ๐ท Glyfada | 249 | 2014 |
| 48 | [Brink's Hellas S.A.](https://www.tamtam.ai/c/brink-s-hellas-s-a) (brinks.gr)
Leading provider of security services in Greece with 35+ years of experience, 150 vehicles, and 2,500 employees Trusted by banks, retailers, industries, airports, and individuals | Security and Investigations | ๐ฌ๐ท Athens | 186 | 1984 |
| 49 | [Zeus Hotels & Resorts](https://www.tamtam.ai/c/zeus-hotels-and-resorts) (zeusintl.com)
Hospitality industry optimization experts with extensive experience in managing hotels for profitability, guest satisfaction, and investor returns, led by seasoned senior management team | Hospitality | ๐ฌ๐ท Metaxourghio | 185 | |
| 50 | [nrg](https://www.tamtam.ai/c/nrg) (nrg.gr)
Energy trading and supply business in Greece focusing on reliability, strong customer relationships, competitive prices, and high-quality service in a rapidly evolving market | Oil and Gas | ๐ฌ๐ท Marousi | 183 | 2012 |
## 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 11, 2026.
## More company lists in Greece
- [The largest companies in Greece](https://www.tamtam.ai/l/largest-companies-greece) (778)
- [Multinational companies in Greece](https://www.tamtam.ai/l/multinational-companies-greece) (217)
- [Manufacturers in Greece](https://www.tamtam.ai/l/manufacturers-greece) (92)
- [Companies with in-house R&D in Greece](https://www.tamtam.ai/l/r-and-d-companies-greece) (83)
- [Retail chains in Greece](https://www.tamtam.ai/l/retail-chains-greece) (78)
- [Critical infrastructure operators in Greece](https://www.tamtam.ai/l/critical-infrastructure-operators-greece) (73)
- [Consumer goods companies in Greece](https://www.tamtam.ai/l/consumer-goods-companies-greece) (57)
- [Pharmaceutical Manufacturing companies in Greece](https://www.tamtam.ai/l/pharmaceutical-manufacturing-companies-greece) (55)
- [Education providers in Greece](https://www.tamtam.ai/l/education-companies-greece) (54)
- [Corporate groups and holding companies in Greece](https://www.tamtam.ai/l/holding-companies-greece) (49)
- [Public sector organisations in Greece](https://www.tamtam.ai/l/public-sector-organisations-greece) (49)
- [Financial services firms in Greece](https://www.tamtam.ai/l/financial-services-firms-greece) (48)
- [Pharmaceutical companies in Greece](https://www.tamtam.ai/l/pharmaceutical-companies-greece) (48)
- [Food and beverage companies in Greece](https://www.tamtam.ai/l/food-and-beverage-companies-greece) (47)
- [Food and Beverage Manufacturing companies in Greece](https://www.tamtam.ai/l/food-and-beverage-manufacturing-companies-greece) (44)
- [Distributors and wholesalers in Greece](https://www.tamtam.ai/l/distributors-and-wholesalers-greece) (43)
- [Family-owned companies in Greece](https://www.tamtam.ai/l/family-owned-companies-greece) (41)
- [IT Services and IT Consulting companies in Greece](https://www.tamtam.ai/l/it-services-and-it-consulting-companies-greece) (38)
- [Software Development companies in Greece](https://www.tamtam.ai/l/software-development-companies-greece) (38)
- [IT services companies in Greece](https://www.tamtam.ai/l/it-services-companies-greece) (38)
- [Publicly traded companies in Greece](https://www.tamtam.ai/l/publicly-traded-companies-greece) (37)
- [Logistics companies in Greece](https://www.tamtam.ai/l/logistics-companies-greece) (36)
- [E-commerce companies in Greece](https://www.tamtam.ai/l/ecommerce-companies-greece) (34)
- [Food and Beverage Services companies in Greece](https://www.tamtam.ai/l/food-and-beverage-services-companies-greece) (34)
---
Source: https://www.tamtam.ai/l/companies-with-mobile-app-greece