Integrated Development Consultants


Integrated Development Consultants (IDC) has been established as a private limited liability company in 1996 to provide consultancy services in water supply, sanitation, social development and training. Two qualified and experienced professionally qualified engineers and a sociologist, Messrs. Sunidha Senaratne, Ananda Dissanayake and Jayasiri de Silva appointed to the Director Board of the Company in 1998. Currently, the Board of Directors comprises of four professionally qualified Engineers and a Sociologist.


IDC is specialized in providing consultancy services in designing and implementing of urban/rural water supply development, sanitation and sewerage development, water resource management, roads development, infrastructure development, land use planning, architecture, structural designs, financial management, community development, environmental development, institutional strengthening, training and capacity development and project evaluation studies.

IDC has undertaken various development activities and consultancy assignments for international donor agencies, NGOs, international companies and local institutions. International clients include the World Bank, ADB, KFW, DANIDA, FINNIDA, JICA, JBIC, Red Cross Society, ITDG, Plan International, Helvetas and multinational companies such as COWI (Denmark), Per Aarslef (Denmark), Gersar (France) & VINCI (France), GS Engineering (Korea) while local clients include Ministry of Finance, “Gemidiriya” Development Fund, National Water Supply & Drainage Board, Dept. of National Planning, Urban Development Authority, Provincial Councils and Industrial Technology Institute.

The IDC operates from its’ own premises located in the outskirts of Colombo, Sri Lanka.


Our Organization is flexible and dynamic in nature, and has the ability to work in challenging environment. Our foremost asset is the capable and energetic young professional team, who possess proven impressive track records.

The professional capacity of the IDC and its strength lies on the qualified, dedicated and highly competent professionals in various disciplines. Our team of professionals includes; Engineers, Sociologists, Community Development Experts, Institutional Development Experts, Socio-economists, Training Specialists, Land Use Planners & Architects, Financial & Economic Analysts, MIS experts, Geologists, Hydrologists, and Hydro-geologists. IDC professional base comprises of an in-house core consultancy team and a pool of highly qualified independent consultants specialized in various disciplines, available on assignment basis.


Integrated Development Consultants (IDC) was registered with the Registrar of Companies on 24th January 1996 under the Companies Act. It is managed by a Board of Directors who are qualified professionals.

The qualifications and specialties of the Board of Directors are:

Sunidha Senaratne
Managing Director
BSc (Eng) Hons, PG Dip.(Env. Eng.), PG Dip. (Applied Sociology), MBA, C. Eng, C.Env, MICE(Lond), FIE(SL), MCIWEM(Lond), P. Eng(SL), PMP
Sanath Fernando
Director -(Technical)
BSc (Eng), MSc (Structural Eng. & Const. Mgt) C.Eng, MIE (SL)
Ananda Dissanayake
Director -(Social Development)
BA (Social Science), PG Dip.(Community Development), MA (Sustainable Development), PG Dip.(Health Development)
Sriyantha Liyanagunawardhana
Director – (Business Development)
BSc (Eng) Hons, PG Diploma (Water Sanitation Engineering), PG Diploma in Water & Sanitation Engineering, PG Diploma (Structural Eng), C. Eng. MIE (SL)
Tissa Liyanapatabendi
Director -(Technical)
B.Sc. Eng, C.Eng, MICE (Lond), MIE (SL), MCIWEM (Lond.)