Marfin Investment Group
MIG Holdings is a Greek investment company that has built and reshaped a portfolio of businesses across banking, aviation, telecommunications, retail, and other sectors.
Last updated August 26, 2026
Overview
MIG Holdings, historically known as Marfin Investment Group and before that Marfin Financial Group, is a Greek investment company whose identity has been defined by acquisitions, portfolio restructuring, and cross-border investments in Southeastern Europe. The company changed its name to Marfin Financial Group in 2004 after the combination of Comm Group, Marfin Classic A.E.E.X., and Maritime and Financial Investments. It subsequently became associated with the Marfin Investment Group name as it expanded its investment activities and assembled substantial positions in operating companies. The group’s strategy has included both minority investments and control transactions. Its historical portfolio reached into financial services, telecommunications, transportation, aviation, and retail. One of its most consequential moves was the acquisition of HSBC’s stake in Laiki Bank in 2006, followed by the acquisition of control of the Cypriot bank. Laiki was subsequently rebranded as Marfin Popular Bank, making banking a central part of the group’s regional profile during that period. The company also became a significant shareholder in Greek telecommunications operator OTE before selling its 20 percent holding to Deutsche Telekom in 2008. MIG made a major move into aviation in 2009 when it won the transaction to acquire Olympic Airlines. The airline was renamed Olympic Air, turning a historically important Greek national carrier into a privately controlled business. Olympic Air later entered negotiations with Aegean Airlines. The European Commission blocked the first proposed combination in 2011 on competition grounds, but a renewed transaction was approved in 2013, after which Olympic Air became a subsidiary of Aegean Airlines. MIG also expressed an intention in 2009 to pursue Serbia’s Jat Airways, potentially linking it with Olympic Air, although the available reference material does not establish that the proposed acquisition was completed. The group has also had an international shareholder base. In 2006, Dubai Group acquired a 35 percent interest in the company. The cited historical material states that Dubai Group held 17.28 percent of MIG as of 31 August 2012, reflecting the changing ownership position over time. MIG’s investment model and the scale of its transactions have made it an example of a regional holding company rather than a consumer-facing product brand. As of 2023, the company’s principal disclosed equity holding in the supplied reference material was an 83.11 percent interest in Robne kuće Beograd, a Serbian retail and property company. The available information does not provide a complete current portfolio, detailed operating figures, executive roster, or a definitive description of every business still connected to MIG. The company’s shares are stated to be listed on the Athens Stock Exchange, while its public-facing identity remains linked to the MIG Holdings name and its earlier Marfin brands.
History
MIG Holdings developed through a series of corporate combinations and changes of name. In 2004, the company adopted the name Marfin Financial Group after the merger of Comm Group, Marfin Classic A.E.E.X., and Maritime and Financial Investments. The combination provided the platform for a broader investment company whose activities would extend beyond conventional financial holdings. A major phase of expansion followed in the mid-2000s. In 2006, Dubai Group acquired a substantial interest in the company, reported in the supplied material as 35 percent at the time of acquisition. MIG also purchased HSBC’s shares in Laiki Bank, a Cypriot financial institution. It later obtained control of the bank, which was rebranded Marfin Popular Bank. This transaction gave the group a prominent position in regional banking and connected its corporate identity with the Marfin name. MIG also invested in major Greek companies. It held a 20 percent interest in OTE, Greece’s principal telecommunications operator, before announcing its sale of that stake to Deutsche Telekom on 17 March 2008. The transaction illustrated MIG’s use of portfolio investments as assets that could be monetized or transferred when strategic conditions changed. Aviation became another important chapter. On 6 March 2009, MIG won the acquisition of Olympic Airlines. The carrier was renamed Olympic Air after the transaction. In December of the same year, MIG announced that it intended to pursue Serbia’s Jat Airways, with a possible future combination involving Olympic Air. The available source does not establish that the Jat Airways plan resulted in a completed acquisition. Olympic Air subsequently became the subject of a proposed combination with Aegean Airlines. The two airlines announced an agreement on 22 February 2010, but the European Commission blocked the proposed merger on 26 January 2011 after investigating its competitive effects. A later attempt was approved by the Competition Commissioner on 10 October 2013, and Olympic Air became a subsidiary of Aegean Airlines on 23 October 2013. The group’s history also includes a serious safety and governance controversy linked to an arson attack at a bank branch on Stadiou Street in Athens on 5 May 2010, during anti-austerity demonstrations. Three people died and 21 others suffered bodily harm. The trial, concluded in 2013, resulted in convictions of several individuals in management positions for negligent homicide and related failures involving fire-safety measures and employee training. The supplied reference identifies the event as involving a bank branch associated with the group, but does not provide enough detail to establish the full corporate responsibility chain. Ownership and portfolio composition continued to evolve. The supplied material reports that Dubai Group held 17.28 percent of MIG as of 31 August 2012. As of 2023, the principal equity holding identified in the reference was an 83.11 percent stake in Robne kuće Beograd, a Serbian retail and property company. MIG’s shares are stated to be listed on the Athens Stock Exchange. The available sources do not provide a complete account of its current executives, full portfolio, financial performance, or all subsequent corporate events.
- 2013Olympic Air joins Aegean Airlines
A renewed transaction received competition approval, and Olympic Air became an Aegean Airlines subsidiary.
- 2011Olympic Air and Aegean merger is blocked
The European Commission rejected the proposed merger after a competition investigation.
- 2009Acquires Olympic Airlines
MIG won the acquisition of Olympic Airlines, which was renamed Olympic Air.
- 2008Sells OTE stake to Deutsche Telekom
MIG announced the sale of its 20 percent holding in OTE to Deutsche Telekom.
- 2006Dubai Group acquires a substantial stake
Dubai Group acquired a reported 35 percent interest in the company, establishing a major international shareholder relationship.
- 2006Acquires control of Laiki Bank
MIG acquired HSBC’s shares in Laiki Bank and subsequently obtained control, later rebranding the institution as Marfin Popular Bank.
- 2004Adopts the Marfin Financial Group name
The company changed its name to Marfin Financial Group after the combination of Comm Group, Marfin Classic A.E.E.X., and Maritime and Financial Investments.
Products and positioning
A Greek regional investment holding company focused on acquiring, controlling, and restructuring businesses across Southeastern Europe.
Investment holding and portfolio managementInvestment company
MIG’s core activity is the ownership, financing, development, and restructuring of interests in operating companies. Its historical portfolio has included financial services, telecommunications, aviation, retail, and property-related businesses. It operates as an investment platform rather than as a consumer product manufacturer.
Olympic AirAirline2009
Olympic Air was created through MIG’s acquisition of Olympic Airlines in 2009 and the subsequent renaming of the carrier. The business was later transferred into the ownership structure of Aegean Airlines after regulatory approval in 2013.
Marfin Popular BankBanking2006
MIG acquired control of Laiki Bank after purchasing HSBC’s stake and rebranded the institution as Marfin Popular Bank. It represented one of the group’s most significant historical financial-services investments.
Robne kuće BeogradRetail and property
Robne kuće Beograd is identified in the supplied reference as MIG’s principal equity holding as of 2023, with MIG owning 83.11 percent. The company is associated with Serbian retail and property operations.
Flagship businesses
- Strategic ownership and management of portfolio companies
- Cross-border investment transactions in Southeastern Europe
- Historical investments in Marfin Popular Bank, Olympic Air, OTE, and Robne kuće Beograd
Brand decisions
- 2011Responds to regulatory blockage of Olympic Air mergerOther
Olympic Air and Aegean Airlines had announced a proposed combination, but the European Commission identified competition concerns.
What changed. The proposed merger was blocked following an in-depth competition inquiry.
Aftermath. The parties later pursued a renewed transaction that received approval in 2013.
- Aegean Airlines — Aegean remained the proposed transaction partner and later completed an approved acquisition of Olympic Air.
- 2009Acquisition of Olympic AirlinesM&A
MIG pursued a major expansion into Greek aviation through the privatization and sale process for Olympic Airlines.
What changed. MIG won the acquisition and subsequently renamed the airline Olympic Air.
Aftermath. Olympic Air later became part of Aegean Airlines after an initial merger proposal was blocked and a renewed transaction was approved in 2013.
- 2008Sale of OTE stakeM&A
MIG held a substantial minority position in Greek telecommunications operator OTE.
What changed. MIG announced the sale of its 20 percent OTE holding to Deutsche Telekom.
Aftermath. The transaction reduced MIG’s exposure to Greek telecommunications and transferred the stake to Deutsche Telekom.
Controversies
- 2010Stadiou Street bank-branch arson and fire-safety convictionsControversy
An arson attack during Athens anti-austerity demonstrations killed three people and injured 21 employees at a bank branch on Stadiou Street. A trial ending in 2013 convicted several management-level individuals of negligent homicide and related fire-safety and training failures.
Recent events
- 2013Olympic Air becomes an Aegean Airlines subsidiary
After a renewed sale attempt received competition approval, Olympic Air became a wholly owned subsidiary of Aegean Airlines.
M&ARegulation - 2011European Commission blocks proposed Olympic Air and Aegean Airlines merger
The European Commission rejected the proposed combination of Olympic Air and Aegean Airlines after an in-depth competition review, citing concerns that the transaction would reduce competition.
RegulationM&A - 2009MIG acquires Olympic Airlines
MIG won the transaction to acquire Olympic Airlines, which was subsequently renamed Olympic Air.
M&A - 2009MIG proposes a potential Jat Airways transaction
MIG announced an intention to pursue the purchase of Serbian airline Jat Airways and potentially combine it with Olympic Air; the supplied material does not confirm completion.
M&A - 2008MIG sells 20% stake in OTE to Deutsche Telekom
MIG announced the sale of its 20 percent interest in Greek telecommunications company OTE to Deutsche Telekom.
M&AOther
Sources
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