Luxembourg Top Companies List by Market Cap in August 2026

ArcelorMittal is Steel Manufacturing Company with headquarters is in Luxembourg.

ArcelorMittal had over 154,352 employees as on 2022.

For year ending Dec-2022, annual revenue was 79.8 billion EUR and annual operating income was 10.27 billion EUR and annual net income was 9.3 billion EUR.

Steel Pipes manufacturing company with headquarters is in Luxembourg. Manufactures steel pipes needed for oil and gas companies.

Millicom International Cellular is a Telecommunications company. It is having more than 22,000 employees as on 2019 and provided mobile services to approximately 52 million customers, with a cable footprint of more than 11 million homes passed. The headquarters is in Luxembourg.

Healthcare company related to diagnostics and testing laboratories opearating company related to Pharmaceuticals and Agro Products. Headquarters is in Luxembourg.

Allegro platform creates powerful network which will benefit both buyers and merchants. Headquarters is in Poland.

Buyer will get more competitive price and merchant will get more buyers using Allegro eCommerce platform.

Allegro.pl is the popular shopping platform in Poland and one of the largest e-commerce websites in Europe.

They operate a marketplace model which means that customers can buy whatever they need from over 125,000 merchants, who can list unlimited number of offers on their platform.

InPost S.A. is the first company in Poland to create a network of parcel lockers - self-service parcel dispatch and collection points, open 24/7.

Headquarters is in Poland.

310 Million parcels were delivered in 2020 using InPost S.A. network of parcel lockers.

CPI Property Group is a Commercial Real Estate company. The headquarters is in Luxembourg.

Reinet Investments is a Closed End, Specialised Investment Fund company specifically focused luxury goods company. The headquarters is in Luxembourg, South Africa.

Aperam is a leading global producer of stainless and specialty steels, with an annual production capacity of 2.5 million tons. They are a leading stainless and specialty steel producer in South America and the second largest producer in Europe. Headquarters is in Luxembourg.

They are also a leading producer of high value added specialty products, including grain oriented (GO) and non-grain oriented (NGO) electrical steels and specialty alloys. Their production capacity is spread across six production facilities located in Brazil, Belgium and France. As of the end of June 2020, Aperam had a workforce of about 9,500 employees.

The B&M Group is a fast growing variety goods value retailer with stores operating in the UK and France. Headquarters is in Luxembourg.

The Group includes:

• the B&M general merchandise and grocery stores, with a chain of over 600 stores throughout the UK;
• the Babou general merchandise and grocery stores, with a chain of over 90 stores in locations in France; and
• the Heron Foods convenience stores, with a chain of over 275 stores in locations predominantly in the North of England.

SES is a Telecommunications company. It is a leverage a vast and intelligent network that spans satellite and ground infrastructure to create, deliver and manage video and data solutions that connect more people in more places with content that enriches their personal stories. The headquarters is in Luxembourg.

Aroundtown SA is a Commercial and Residential Real Estate company. The headquarters is in Luxembourg.