History

1989 The co-founders of the company, Constantinos Kalergis and Andreas Grivas, decided to have a common professional path and cooperation.
1994 Organisation and launch of the first company’s office in the Athens’ suburb Chalandri.
1995 Establishment of the company, in its initial form, with the name ROIKOS Engineering and Environment Consultants Ltd, and the aim to provide consultancy services in hydraulic projects and projects of water and wastewater treatment.
1998 Register of the company in the National Registrar of Consultancy Firms (no 521) in the professional categories of structural engineering, hydraulics, chemical engineering and environmental studies, and start taking part in national competitions and tenders.
Move of the company in new modern offices in the Athens’ suburb Nea Ionia and launch of the new Department of building construction and urban renovation projects.
1999 Adoption and implementation of a Quality Assurance System according to the international standard ISO 9001.
2000 Certification of the Quality Assurance System by TÜV CERT.
2001 Launch of the new Department of Surveying & GIS.
2002 Re-establishment of the company, in its current form, with the name ROIKOS Engineering Consultants S.A., and establishment of the affiliated technical company INTEGER S.A. Register of INTEGER S.A. in the National Registrar of Consultancy Firms (no 644).
2004 Launch of the new Department of Transport studies.
2005 Launch of the new ICT Department.
Purchase, design and construction of the new owned premises of the company.
2006 Commissioning of the 1st international project (Ministry of Environment and Water, Republic of Bulgaria).
Launch of the new Department of Urban and regional planning.
2007 Move of the company to the new and modern own premises in the Athens’ suburb Metamorfosi. The company develops to one of the leading engineering consultancies in the national market, providing in-house integrated services on all major professional categories of the engineering discipline.
2008 Establishment of a company’s branch in Cyprus.