Sustainable construction has become an increasingly important focus in the global real estate and infrastructure sectors. Developers, investors, and government institutions are placing greater emphasis on environmental responsibility, resource efficiency, and long-term 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 environmental performance across multiple sustainability categories. These categories include energy efficiency, water conservation, sustainable materials, indoor environmental quality, and site sustainability. Buildings can achieve certification levels such as Certified, Silver, Gold, or Platinum, depending on the number of sustainability credits earned.
Portugal has seen increasing interest in sustainable building practices, particularly in commercial offices, hospitality projects, residential developments, and mixed-use complexes. Many developers pursue LEED certification to demonstrate environmental performance, improve building efficiency, and align projects with international sustainability standards.
Achieving LEED certification requires detailed environmental analysis, sustainability planning, and extensive documentation. Because the certification process involves coordination between architects, engineers, contractors, and developers, many project teams work with experienced LEED consultants who manage the certification strategy and guide projects through the process.
Below are several consulting firms that provide LEED consulting and sustainable building advisory services relevant to projects in Portugal.
1. ERKE Consultancy
ERKE Consultancy is an international sustainability consulting firm founded in 2007, operating through offices in Istanbul, Dubai, and London. The firm specializes in green building certification consulting, including LEED, BREEAM, WELL, and other sustainability frameworks.
ERKE has completed more than 200 LEED-certified projects across 15 countries, working on various building types such as airports, hospitals, office buildings, corporate headquarters, and infrastructure facilities. Some of the company’s 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 company’s team includes LEED Fellows, LEED Accredited Professionals (LEED APs), WELL APs, and BREEAM Assessors, enabling ERKE to provide comprehensive sustainability consulting services.
ERKE supports project teams through LEED strategy development, environmental performance analysis, credit documentation management, and certification coordination. With experience in complex international developments, the firm assists developers and design teams in achieving recognized sustainability standards.
2. ARUP
Arup is a global engineering and professional services firm founded in 1946 and headquartered in London. The company provides consulting services in engineering design, architecture, planning, and sustainability.
Arup’s sustainability specialists support projects pursuing LEED certification by offering services such as energy modeling, environmental performance analysis, and sustainable building design consulting.
The firm’s multidisciplinary approach integrates engineering systems, environmental strategies, and architectural design, helping project teams optimize building performance and efficiency.
Arup works with developers, architects, and public sector organizations worldwide to deliver environmentally responsible buildings and infrastructure projects.
3. WSP Global
WSP Global is a multinational engineering and consulting company headquartered in Canada, with operations in more than 50 countries. The firm provides services across infrastructure, environmental engineering, and building design sectors.
Within its sustainability consulting practice, WSP offers services supporting LEED certification, including energy performance modeling, environmental impact analysis, and sustainable materials assessment.
These services help project teams identify strategies to improve energy efficiency, water conservation, and resource management throughout the building lifecycle.
WSP collaborates with architects, engineers, developers, and contractors to guide projects through green building certification frameworks and sustainability planning processes.
4. Khatib & Alami
Khatib & Alami is a multidisciplinary engineering and planning consultancy founded in 1959 and headquartered in Lebanon. The firm operates across the Middle East, Africa, and Europe, delivering services in architecture, engineering, environmental consulting, and project management.
The company provides sustainability consulting services including green building strategy development, environmental performance analysis, and energy efficiency studies.
These services support projects pursuing certifications such as LEED, helping project teams integrate sustainability principles into building design and construction.
Khatib & Alami’s experience in infrastructure and large-scale developments enables the firm to incorporate environmental design strategies within complex building environments.
5. Ramboll
Ramboll is a Denmark-based engineering and consultancy firm founded in 1945. The company operates internationally 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 assessments, and sustainable building design.
These services allow project teams to evaluate building performance and implement strategies aimed at reducing environmental impacts and improving energy efficiency.
Ramboll works with architects, developers, and engineering teams to integrate sustainability considerations throughout the building lifecycle.
6. Linesight
Linesight is a global construction consultancy founded in 1976 in Ireland. The company focuses on project management, cost management, and construction advisory services for large development projects.
Although Linesight primarily specializes in project delivery and cost control, the firm frequently participates in projects pursuing green building certifications such as LEED.
Linesight supports project teams by ensuring that procurement strategies, construction planning, and project coordination align with sustainability objectives and certification requirements.
Through its involvement in complex development projects, the firm contributes to the effective implementation of sustainability targets during construction.
7. Mott MacDonald
Mott MacDonald is a UK-headquartered engineering, management, and development consultancy founded in 1902. The company operates globally across sectors including transportation, infrastructure, water, energy, and buildings.
The firm provides environmental and sustainability consulting services that support green building certification frameworks, including LEED.
These services include energy performance analysis, sustainability strategy development, environmental impact assessments, and building performance optimization.
Mott MacDonald works with developers, architects, and public sector organizations to integrate sustainability principles into building design and infrastructure projects.
Summary
LEED certification provides a structured framework for evaluating the environmental performance of buildings, focusing on factors such as energy efficiency, water management, materials selection, and indoor environmental quality. As sustainable construction continues to expand globally, many developments pursue LEED certification to demonstrate environmental responsibility and improved building performance.
Consultancy firms supporting LEED certification typically provide services including sustainability strategy development, energy modeling, environmental performance analysis, and certification documentation management. Some organizations specialize primarily in sustainability consulting, while others integrate these services within broader engineering and project advisory capabilities.
Companies discussed in this article include 1. ERKE Consultancy 2. ARUP 3. WSP Global 4. Khatib & Alami 5. Ramboll 6. Linesight 7. Mott MacDonald. These firms represent a mix of green building specialists and multidisciplinary consulting organizations involved in sustainable building projects.
The most suitable consultancy partner generally depends on project scale, sustainability objectives, certification requirements, and the expertise required within the project team.