Since 2009 two industry experts have joined forces to create "Twenty One", a company that covers the entire spectrum of construction services and Real Estate consultancy. George G. Papageorgiou, an Economist, after completing a Masters Degree in Real Estate Investment participated in large scale construction projects in Greece and Southeast Europe, such as "Avenue" shopping Mall, "Iatropolis- Magnitiki Tomografia" medical diagnostic center, "Merck Serono" office building and a 60,000sqm mixed used development project in Pipera, Bucharest in Romania. Konstantinos Panagiotidis, a qualified Mechanical Engineer with a Masters Degree in Real Estate Investment, began his career as a project manager in "Golfside Residence", a 20,000sqm residential development in the area of Glyfada, Athens. In 2006 he was assigned as Real Estate and Expansion Director for hispanic INDITEX retail group in Greece (ZARA Hellas). During his service the national network of the group (ZARA, Bershka, Pull & Bear, Massimo Dutti, ZARA HOME, Stradivarius, Oysho, Uterque) expanded from 80 to 145 stores. Twenty One has already successfully completed several residential, office and commercial projects. The company's clientele consists of private individuals as well as companies some of which are Metlife Alico, H&M Hennes and Mauritz, Sanyo Hellas, Protech SA and Mark Aalen Opticians.