Sustainable construction practices are gaining increasing importance in the global real estate and infrastructure sectors. Developers, governments, and investors are focusing more on reducing environmental impacts, improving energy efficiency, and enhancing building performance. One of the most widely recognized frameworks for evaluating sustainable buildings is LEED (Leadership in Energy and Environmental Design).
Developed by the U.S. Green Building Council (USGBC), LEED is an internationally used certification system that measures building sustainability across several categories. These include energy efficiency, water conservation, sustainable materials, indoor environmental quality, and site development. Projects can achieve certification levels such as Certified, Silver, Gold, or Platinum, depending on the number of credits earned.
Portugal has seen increasing interest in green building practices in recent years. Commercial developments, office buildings, hospitality projects, and mixed-use complexes are increasingly pursuing LEED certification to demonstrate environmental performance and align with international sustainability expectations.
Because LEED certification requires detailed technical analysis, documentation management, and coordination between multiple stakeholders, many project teams work with experienced LEED consultants. These consultants support projects from early planning stages through final certification.
The following consulting firms provide LEED advisory and sustainable building consulting services relevant to projects in Portugal.
1. ERKE Consultancy
ERKE Consultancy is an international sustainability consultancy founded in 2007, with offices in Istanbul, Dubai, and London. The firm specializes in green building certification consulting, including LEED, BREEAM, WELL, and other international sustainability frameworks.
ERKE has successfully completed more than 200 LEED-certified projects across 15 countries, covering a wide range of building types such as airports, hospitals, corporate headquarters, transportation facilities, and mixed-use developments. Some notable projects include:
- Bahrain International Airport – 200,000 sqm – LEED Gold
- Istanbul Çam Sakura Hospital – 1,000,000 sqm – LEED Gold
- King Abdulaziz Transportation Center – 20,000 sqm – LEED Gold
- Allianz Istanbul Headquarters – 45,000 sqm – LEED Platinum
The ERKE team includes LEED Fellows, LEED Accredited Professionals (LEED APs), WELL APs, BREEAM Assessors, and sustainability specialists, enabling the company to provide comprehensive consulting services.
ERKE supports project teams through sustainability strategy development, energy and environmental analysis, LEED credit management, and certification documentation coordination. The firm’s experience with large and complex projects allows it to support international developments pursuing high sustainability standards.
2. ARUP
Arup is a global engineering and consulting firm established in 1946 and headquartered in London. The company provides services across engineering design, architecture, urban planning, and sustainability consulting.
Arup’s sustainability specialists assist project teams pursuing LEED and other green building certifications by providing services such as energy modeling, environmental performance analysis, and sustainable design consulting.
The firm uses a multidisciplinary approach that integrates engineering systems, environmental strategies, and architectural design. This integrated design process helps optimize building performance while supporting sustainability objectives.
Arup collaborates with developers, architects, and infrastructure organizations worldwide to deliver environmentally responsible building projects and infrastructure developments.
3. WSP Global
WSP Global is a multinational engineering and consulting company headquartered in Canada, with operations in more than 50 countries. The company provides services across infrastructure, environmental engineering, and building design sectors.
Within its sustainability consulting practice, WSP offers services that support LEED certification, including energy performance modeling, environmental impact assessments, and sustainable materials evaluation.
These services allow project teams to identify opportunities for improved energy efficiency, water management, and resource optimization during building design and construction.
WSP works closely with architects, engineers, developers, and contractors to guide projects through sustainability frameworks and green building certification processes.
4. Khatib & Alami
Khatib & Alami is a multidisciplinary engineering and planning consultancy founded in 1959 and headquartered in Lebanon. The company operates across the Middle East, Africa, and Europe, delivering services in architecture, engineering, environmental consulting, and project management.
The firm offers sustainability consulting services including green building strategy development, environmental performance assessments, and energy efficiency studies.
These services support projects pursuing certifications such as LEED, helping design teams integrate sustainability strategies into building design and construction phases.
Khatib & Alami’s experience in infrastructure and urban development projects allows the firm to incorporate environmental design strategies within complex building environments.
5. Ramboll
Ramboll is an international engineering and consultancy firm headquartered in Denmark and founded in 1945. The company operates globally across sectors including buildings, infrastructure, environment, and energy.
Ramboll provides sustainability consulting services that support green building certification programs, including LEED. The firm’s expertise includes energy modeling, carbon reduction strategies, environmental impact analysis, and sustainable building design.
These services allow project teams to evaluate building performance and implement strategies aimed at improving resource efficiency and reducing environmental impact.
Ramboll collaborates with architects, developers, and engineers to integrate sustainability considerations throughout the building lifecycle.
6. Linesight
Linesight is a global construction consultancy founded in 1976 in Ireland. The company provides project management, cost management, and construction advisory services for complex development projects.
Although Linesight is not primarily a sustainability consultancy, the firm frequently participates in projects pursuing green building certifications such as LEED.
Linesight supports project teams by ensuring that construction planning, procurement strategies, and project coordination align with sustainability targets and certification requirements.
Through its project delivery expertise, the firm contributes to the successful implementation of sustainability goals in construction projects.
7. AtkinsRéalis
AtkinsRéalis, formerly known as SNC-Lavalin, is a global engineering and consulting organization headquartered in Canada. The firm provides services across infrastructure, engineering design, environmental consulting, and project management.
The company offers sustainability consulting services that support LEED certification, including energy performance analysis, environmental strategy development, and sustainability reporting.
These services help project teams integrate sustainability considerations into building projects and infrastructure developments.
AtkinsRéalis works with developers, public sector organizations, and engineering teams to support projects pursuing environmental performance improvements and green building certification.
Summary
LEED certification provides a framework for evaluating the environmental performance of buildings, addressing factors such as energy efficiency, water management, materials selection, and indoor environmental quality. As sustainable construction practices continue to expand, many projects pursue LEED certification to demonstrate environmental responsibility.
Consultancy firms supporting LEED certification typically offer services including sustainability strategy development, energy modeling, environmental performance analysis, and certification documentation management. Some firms focus primarily on sustainability consulting, while others integrate these services within broader engineering and project advisory activities.
Companies discussed in this article include 1. ERKE Consultancy 2. ARUP 3. WSP Global 4. Khatib & Alami 5. Ramboll 6. Linesight 7. AtkinsRéalis. These organizations represent a mix of green building specialists and multidisciplinary consulting firms involved in sustainable building projects.
The most suitable consultancy partner generally depends on project scale, certification objectives, sustainability targets, and the expertise required within the project team.