In 2005, Hamdi Akin went into a 50/50 partnership with one of the prominent port operators, PSA, and won the tender for privatization of Mersin Port’s 36 years of operational rights. In 2006, he founded Akfen Real Estate Investment Trust Inc. He made a deal with Accor S.A. to form a strategic partnership and build three and four starred city hotels. In 2007, he set Mersin International Port (MIP) into operation and became the chairman of the board of directors. Akfen won the operational rights to operate the vehicle inspection stations with TUV Sud AG and Dogus Automotive for 20 years, and sold its share to Bridge Point in 2009.
In 2005, he founded Akfen Su Inc. with the partnership of Kardan N.V. In 2011, he won the tender for the privatization of "İDO" (Istanbul Fast Ferries Co. Inc.) with Tepe Construction, Souter Investments LLP and Sera Real Estate and Operations Inc. IN 2012, he sold 38% of his shares in TVA Airports to Aéroports de Paris for $847 million.