Operations are conducted through eight direct subsidiaries, each involved in one of the group's six main areas of business. 34% of the company's project backlog is outside of Greece (total project backlog is €2.6 billion about half of its historic high in 2007 (€5 billion); about 37% comes from concessions, 21% from Infrastructure projects. Many of its development contracts come from
concessions which the company competes for domestically and internationally (competitors are both domestic and foreign. Attiki Odos and Rio Antirrio (bridge) are two of the biggest concession projects the company has been involved in. In 2011 it won its third
Doha airport related contract (€68 million deal). For 2010
solar power projects could contribute as much as €60 million in revenue. In September 2025, Ellaktor sold Aktor Concessions to the Aktor Group for €194.6 million ($ million).
Former operations Aktor Concessions, while it was part of Ellaktor, used to own 65.75% of Attiki Odos S.A., the operator of the
Attiki Odos motorway network until 6 October 2024, when the
GEK Terna-led
Nea Attiki Odos took over the concession. ==Greek projects==