Determining the largest companies in Greece involves evaluating various metrics such as market capitalization, revenue and assets. The complexity arises from the dynamic nature of financial markets, differences in reporting standards, and the availability of up-to-date data.
Largest companies in Greece by market capitalization
This is a list of the top 10 largest companies in Greece compiled by CEOWORLD magazine, a leading business magazine and news site for CEOs, CFOs, senior executives and business leaders.
The list is updated up to December 2024 and is in descending order:
10. TITAN CEMENT INTERNATIONAL SA $3.07 billion
TITAN Cement International is a major player in the global cement and building materials industry. In addition to cement, TITAN also produces and supplies a range of other building materials, including aggregates (sand, gravel, crushed stone), ready-mix concrete and various construction chemicals.
The company has a rich history dating back to 1902, starting with the establishment of the first cement plant in Greece. It now operates in over 25 countries across several continents, including Europe, North America, the Middle East and Africa.
9. JUMBO S.A. $3.57 billion
JUMBO is a major retailer of a wide variety of products, with a focus on toys, baby items, seasonal items and home goods.
JUMBO stores are known for their large size and wide variety of products, often resembling a warehouse-style shopping experience. They are known for offering competitive prices on their products, making them a popular choice for budget-conscious shoppers.
The company was founded in 1986 is still largely owned and managed by the Vakakis family.
8. ALPHA SERVICES AND HOLDINGS S.A. $3.82 billion
ALPHA SERVICES AND HOLDINGS is a major player in the Greek financial sector. It’s the parent company of the Alpha Bank Group, one of the largest banking groups in Greece.
The group offers a comprehensive suite of financial products and services to individuals, businesses and institutions. Alpha Bank has a long history in the Greek banking sector, dating back to 1879
7. PUBLIC POWER CORPORATION S.A. $4.25 billion
The Public Power Corporation (PPC), also known as DEI (ΔΕΗ) in Greek, is the largest electricity production and supply company in Greece. It operates a diverse portfolio of power plants, including thermal, hydro and renewable energy sources (wind, solar, etc.).
PPC owns and operates the electricity distribution network in Greece, delivering electricity to households and businesses across the country.
Founded in 1950 its major shareholder is the Greek government which has been gradually reducing its stake in PPC, moving towards privatization of the company.
6. METLEN ENERGY & METALS S.A. $4.8 billion
METLEN, previously known as MYTILINEOS, is a major player in the energy and metals sectors, with a global presence. It is involved in the development, construction and operation of thermal and renewable energy projects (wind, solar, hydro) and the retail supply of electricity and natural gas.
METLEN is a leader in the metallurgy industry, with activities including bauxite mining,
alumina and aluminum production, recycled aluminum production and zinc-lead recycling.
5. PIRAEUS FINANCIAL HOLDINGS S.A. $5.05 billion
Piraeus Financial Holdings is the parent company of Piraeus Bank, Greece’s third-largest lender.
In 2024, Greece announced that it was selling its entire 27 percent stake in Piraeus Bank.
In May 2022, the Financial Times included the Bank in the list of “Europe’s Climate Leaders” thanks to the great reduction of greenhouse gas emissions over the five-year period from 2015 to 2020.
4. OPAP $5.86 billion
OPAP (ΟΠΑΠ) stands for “Greek Organisation of Football Prognostics S.A.” and it’s the leading gaming company in Greece and one of the most established in the world.
It offers a wide range of games, including lotteries, sports betting and instant games.
OPAP, established in 1958, holds a monopoly in the Greek gaming market, making it the dominant player in the industry. It was formerly state-owned but has been privatized in recent years.
3. HELLENIC TELECOMMUNICATIONS ORGANIZATION S.A. $6.29 billion
HELLENIC TELECOMMUNICATIONS ORGANIZATION (OTE) is the largest telecommunications provider in Greece. It’s a major player in the Greek market and also has a presence in other countries in Southeast Europe with a significant share of the market for fixed-line, mobile and internet services.
OTE has a long history in Greece, dating back to the mid-20th century. It was formerly a state-owned monopoly but has been gradually privatized. The majority shareholder in OTE is Deutsche Telekom, one of the largest telecommunications companies in Europe.
2. NATIONAL BANK OF GREECE S.A. $7.44 billion
NBG is a universal bank offering a broad range of financial products and services, including retail banking, corporate and investment banking, and wealth management.
Founded in 1841, NBG is one of the oldest banks in Greece and has played a crucial role in the country’s economic development.
1. EUROBANK ERGASIAS SERVICES AND HOLDINGS S.A. $8.61 billion
Eurobank Ergasias S.A., commonly known as Eurobank, is a major banking group in Greece and Southeast Europe. In addition to Greece, Eurobank has a presence in other countries in the region, including Cyprus, Luxembourg, Bulgaria and the UK.
It has a long history in the Greek banking sector, dating back to 1924.
Related: S&P Upgrades the Rating of Four Greek Banks
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