In 2015, ECDSWCo Was Established by a Federal Government Public Enterprise by Council of Minsters Regulation No.365/2015 as a Multi-Disciplined Engineer Firm and Provides Professional Services in Water and Energy, Transport, Building and Urban Planning and Related Disciplines. The Corporation Was Founded by Amalgamation of Three Former Public Enterprises, viz. Water Works Design and Supervision Enterprise (wwdse), Construction Design Share Company (CDSCo) and Transport Construction Design Share Company (TCDSCo) that Were Predominantly Providing Engineering Consultancy Services in Water, Building and Transport Sectors, Respectively.

The Corporation then Prepared a Business Transformation and Diversification Plan that Clarifies the Intention, Intervention and Goals of the Planned Transformation of the Corporation in to a Multi Business Company as Ethiopian Engineering Corporation (EEC) Which is an End to End Construction Solution Provider in Water and Energy, Transport, Building and Urban Planning and Related Discipline Through Successive Undertakings. The Provision Given in the Corporation's Establishment Regulation No. 365/2015 Allows for Diversification of the Corporation Business and the Utilization of Borrowing and Other Means of External Finance Mobilization.