Your Project at the Forefront

The best products and best construction practices!


Appropriate Engineering and Architecture Solutions?

With us, the best and most economical!


Project Management and Supervision

Construction and implementation of technological solutions in budget, time and quality!
We protect your investment!


Integrated Management

The experience of Construction at the service of your Project! An integrated view
that adds a lot more value!


Intelligent Infrastructures and Digital Transformation

With us, the best technological solutions for buildings and cities!


DDN presents its services and areas of expertise

DDN develops services of Integrated Management of Technological and Construction Projects, Inspection and Supervision, Coordination of Hygiene, Safety, Health, Environment and Noise, Contract Management, Review of Licensing Projects and Execution Projects, as well as Strategic Consulting in real estate analysis.

Consult all DDN services


What is said about us

“Collaboration with DDN is characterised by effective teamwork. We appreciate the analysis, the common sense and the positions that DDN demonstrates every day in the management of our construction site. The teams are dedicated to customer satisfaction. They work every day to maintain our calendar and our financial objectives. Three words underline our collaboration: trust, solution, commitmen

Service/Project: Services of Supervision and Healh, Safety and Environmental Coordination for the Sesimbra Project
Client: CETIM Construction Management

Dr. Michael Van Cutsem

"I highlight the partnership of about 10 years between DDN and Fitness Hut, always guided by the professionalism and dedication of all DDN employees. The result is currently measured by more than 40 gyms open in Portugal. Excellent adaptation to the Customer".

Service/Project: Supervision of Fitness Hut Lumiar Gym Construcion
Client: Fitness Hut

Dr. Pedro Nunes

"DDN is a company that works in partnership with the client, with the capacity to adapt to the characteristics of each project. In the case of "Leroy Merlin Loulé" they did an excellent job! They are to be congratulated"!

Service/Project: Supervision with Tender Process of Leroy Merlin Loulé
Client: Brimogal

Eng. Edgar Malato

"MEXTO recognizes DDN and its team of professionals, technical capacity, commitment and flexibility, in the monitoring and development of real estate projects, in the various phases that comprise it".

Service/Project: Supervision of the expansion to be carried out in the building located at Rua Eduardo Coelho 26, Lisbon
Client: MEXTO Portugal, Lda.

Dr. Ricardo Melo Gonçalves

"The team assigned to this work is highly professional".

Service/Project: Supervision and Safety Coordenation at the Construction Project for the New Warehouse at the Almeirim Logistics Center
Client: Sumol+Compal

Eng. Pedro Touret

"I enjoyed working with the DDN team on the Fitness Hut Cascais Project. It was a competent team, with correct behavior, coherent and professional. Present to help the customer and available, even in complicated situations".

Service/Project: Supervision of Fitness Hut Cascais gym construcion
Client: Fitness Hut

Engª Cláudia Inês Menino


Some of our projects

DDN has a vast portfolio of projects developed in different geographies, always with the same purpose: to create value for our customers.