Engineering that ADDS UP
The creation of SIGMA 5 emerges as the strategic response to the growing challenges of the national engineering sector in the context of large‑scale and highly complex projects.
The industry demands innovative solutions, technical rigor, and collaborative structures capable of integrating multiple skills and experiences. SIGMA 5 brings together five leaders in engineering and consultancy—A400, DDN, GIBB, PROSPECTIVA, and TABIQUE—combining experience, specialization, and responsiveness within a robust organizational model.
www.sigma5.pt
Mission
Create critical mass by aggregating resources, capabilities, and technology to develop innovative Portuguese solutions that strengthen the competitiveness of the sector and the country’s ability to respond throughout the next decade.
Vision
To lead, in Portugal, the large‑scale project segment (projects above €300M) over the next decade.
Values
Cohesion and collaboration – We operate as a single team.
Synergy and continuous learning – We share knowledge and enhance skills to grow together.
Excellence and commitment – We deliver with precision, competence, and responsibility.
Innovation – We develop new solutions focused on tangible results and real applicability.
Client focus and value creation – We generate measurable value by meeting objectives, deadlines, and quality in every project.
Synergy and continuous learning – We share knowledge and enhance skills to grow together.
Excellence and commitment – We deliver with precision, competence, and responsibility.
Innovation – We develop new solutions focused on tangible results and real applicability.
Client focus and value creation – We generate measurable value by meeting objectives, deadlines, and quality in every project.
Turnover
Employees
Projects
Main sectors of competence
Mobility
Airports, High speed rail, Railway, Roadways, Ports
Energy Transition
Electrical interconnections, Gas infrastructures, Maritime LNG, Onshore wind, Offshore wind, Solar PV, Hydrogen, Oil, Synthetic fuels
Environment
Water infrastructures, Water resource management, Desalination, Waste management, Agriculture, Forestry
Industry & Services
Hospitals, Data Centers, Industry, Industrial and service hubs
Featured Projects
Our presence
SIGMA 5 operates in several countries through its associated companies, with particular relevance in CPLP countries where they have long‑standing presence and other African countries, as well as Colombia and Spain.
Portugal
Espanha
Marrocos
Argélia
Cabo Verde
Guiné Bissau
Costa do Marfim
Ghana
Benim
Guiné Equatorial
São Tome e Príncipe
Burundi
Tanzânia
Malawi
Comores
Moçambique
Angola
Colômbia
Brasil
