About us

In a world where progress often clashes with nature, ​​we embrace our purpose by always leading engineering and architecture projects with its Total Design approach, seeking economically optimised, sustainable solutions of technical excellence. It is centred on ​our mission: DESIGNING . DELIVERING . ADDING VALUE.

About us

We have proudly assumed a leading position in the Portuguese market through continuous work and dedication, becoming a multinational company in a world that constantly presents us with considerable, complex challenges.

Present in 12 countries across 3 continents, we aim to leave a positive and lasting impact on the planet. This requires more than keeping up with the market. It requires staying one step ahead. We strive to be a company ready to break new ground in three major sectors: Energy, Mobility and Sustainable Cities.

Our approach is not limited to complying with standards; we think beyond them. We are agents of change in the world. We are Quadrante.

Our purpose

Improving the sustainability performance of our projects and services is one of Quadrante’s main objectives, always in collaboration with our clients to “create and build sustainable, responsible and lasting infrastructures for a better world”.

As a multidisciplinary consultancy and design group in Engineering, Architecture, Environment and Sustainability, we take a holistic view of the construction sector and pursue an integrated and evolving approach to sustainability.

With a strong commitment to the planet and future generations, we are involved in several decarbonisation projects, making a significant contribution to mitigating the effects of climate change. By implementing innovative and sustainable solutions, we promote the reduction of carbon emissions in various sectors, including energy, transport and construction.

Our guiding values are based on the future, professionalism, ethics and flexibility. Through these values, we endeavour to attract and nurture talent, giving them unique opportunities for development.


  • High Standards
  • Determination
  • Respect
  • Collaboration
  • Integrity
  • Excellence
  • Flexibility


At Quadrante we approach each project in a unique way, using a 360º methodology that integrates the company's various departments, creating solutions in an integrated, coordinated and responsible way: the Total Design methodology.


We embark on each project hand in hand with our Clients, understanding their expectations and supported by multidisciplinary teams that think and execute synergistically in all dimensions. We provide creative, sustainable, economically optimized and technically advanced solutions.


From the first meeting, each project benefits from collective experience. We develop solutions collaboratively, bringing together contributions from various departments to obtain the most comprehensive and efficient solution.

At Quadrante, we support our clients throughout the entire project lifecycle.

  • 1998

    Quadrante Founding

    Founded by Engineers João Silveira Costa, Nuno Pais Costa and Nuno Batista Martins, who were later joined by Engineer Tiago Pais Costa.

  • 2006

    First international Project

    In Coruña, Spain, the Dolce Vita shopping centre was created.

  • 2008


    Opening of the first international office in Madrid.

  • 2012

    Procesl Acquisition

    Leading company in Portugal founded in 1986 with experience in the areas of planning and management of water resources, environmental studies, urban infrastructures, hydroelectric plants, agricultural hydraulics, pollution control and environmental protection.

  • 2016

    Viaponte Acquisition

    Engineering study and project company, founded in 1997, dedicated to developing projects and managing large-scale multidisciplinary projects in the area of communication routes.

  • 2018

    Quadrante’s 20th anniversary

    Opening of the Paris Office.

  • 2021

    Business Expansion

    New Business Area Construction Management and Supervision.

  • 2023

    Ambconsult Acquisition

    A noteworthy Brazilian company in different environmental segments, with emphasis on Solid Waste Treatment and Deposit Systems Engineering, committed to environmental conservation and the technical quality of the services provided.

  • 2024

    3drivers acquisition and new strategic partner: Henko Partners

    3drivers, a leading company in Portugal founded in 2003, with extensive experience in services such as sustainable construction, decarbonisation and circular economy. Henko Partners, a new shareholder based in Madrid, aims to boost Quadrante's international growth in developed markets, reinforcing its position as a national leader and reference in Europe.e.


Our 550 employees embody Quadrante’s purpose in their daily work and the projects they undertake. With precision, ethics, technical expertise, and strong focus on meeting client needs, the Quadrante team is noted for its commitment to developing innovative, creative solutions that make a positive and lasting impact on the world.

  • Founding Partner and CEO

    Nuno Costa

    Founding Partner and CEO

  • Founding Partner - Head of Digital Business Unit

    João Costa

    Founding Partner - Head of Digital Business Unit

  • Founding Partner - Head of Energy Business Sector

    Nuno Martins

    Founding Partner - Head of Energy Business Sector

  • Founding Partner - Head of Mobility Business Sector

    Tiago Costa

    Founding Partner - Head of Mobility Business Sector