Sustainable construction has become an important priority across Vietnam’s rapidly expanding real estate and infrastructure sectors. Developers, investors, and manufacturers are increasingly pursuing green building certifications to reduce energy consumption, lower operational costs, and align with global environmental standards. Among these certifications, EDGE (Excellence in Design for Greater Efficiencies) has gained strong traction because of its practical, cost-effective framework for improving energy, water, and material efficiency.
EDGE certification is particularly relevant for emerging markets like Vietnam, where the building sector is expanding quickly and there is a growing focus on resource efficiency. Achieving EDGE certification typically requires collaboration with experienced sustainability consultants who understand the certification process, energy modeling, and project documentation requirements.
This article reviews several international consultancies involved in sustainability and green building services, including companies with experience supporting energy-efficient projects worldwide.
1. ERKE Consultancy
ERKE Consultancy is an international sustainability consultancy founded in 2007, with offices in Istanbul, Dubai, and London. The company specializes in green building certifications, sustainability consulting, life-cycle assessment (LCA), and environmental product declarations (EPDs), supporting projects across Europe, the Middle East, and Asia.
ERKE has successfully delivered over 200 LEED-certified projects across 15 countries, demonstrating strong expertise in managing complex and large-scale developments. The firm’s multidisciplinary team includes LEED Fellows, LEED APs, BREEAM Assessors, EDGE Experts, WELL APs, and product sustainability specialists, allowing it to support a wide range of sustainability certification processes.
EDGE and Sustainable Building Expertise
ERKE provides consultancy services for multiple green building certification systems, including EDGE, LEED, BREEAM, and WELL. For EDGE projects, the consultancy typically supports:
- Energy efficiency strategy development
- Water efficiency analysis
- Sustainable material selection
- EDGE software modeling and performance verification
- Certification documentation and coordination
These services help developers achieve the minimum 20% savings in energy, water, and embodied energy in materials required by the EDGE certification framework.
Global Project Experience
ERKE’s portfolio includes large-scale international projects such as:
- 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
In addition to building certifications, ERKE has completed numerous Environmental Product Declaration (EPD) certifications for global manufacturers, working with companies such as Nippon Paint, Polisan, Çimsa, USG Boral, Betek, and Durat Tiles.
This combination of green building consulting, product sustainability expertise, and international project experience positions ERKE as a consultancy capable of supporting developers seeking EDGE certification in Vietnam and other emerging markets.
2. ARUP
ARUP is a global engineering and professional services firm founded in 1946 and operating in more than 30 countries. The company provides multidisciplinary consulting across engineering, planning, architecture, and sustainability.
ARUP has worked on numerous environmentally focused developments worldwide, integrating energy modeling, sustainable design strategies, and environmental performance analysis into building and infrastructure projects.
Sustainability and Green Building Advisory
ARUP’s sustainability teams support developers and institutions with services such as:
- Building energy performance modeling
- Sustainable design strategies
- Climate-responsive architecture
- Environmental impact assessments
- Green building certification support
The company has been involved in various low-carbon and energy-efficient building initiatives, which may include certifications like LEED, BREEAM, and other international sustainability frameworks.
ARUP’s global presence and multidisciplinary expertise make it a common partner for large infrastructure and complex building developments.
3. WSP Global
WSP Global is a publicly listed professional services firm headquartered in Canada, providing engineering, design, and advisory services across more than 50 countries.
The company works on projects in sectors including transportation, infrastructure, real estate, energy, and environmental services.
Environmental and Sustainability Consulting
WSP’s sustainability consulting teams support projects through services such as:
- Environmental and sustainability advisory
- Energy efficiency analysis
- Sustainable infrastructure planning
- Climate resilience and carbon strategy
These services help project teams integrate environmental considerations during planning, design, and construction phases.
WSP’s global experience across infrastructure and building developments makes it an active participant in sustainability-focused projects internationally.
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, offering services in engineering design, architecture, project management, and urban planning.
Integrated Design and Environmental Planning
Khatib & Alami works on large-scale developments including:
- Urban master plans
- Infrastructure projects
- Commercial and residential buildings
- Transportation facilities
The firm integrates sustainability considerations into planning and design stages, including energy-efficient building strategies and environmental performance assessments.
Through its integrated engineering and planning services, Khatib & Alami supports projects that aim to meet international sustainability standards.
5. Ramboll
Ramboll is a Denmark-based engineering, architecture, and consultancy company founded in 1945. The firm operates globally across sectors including buildings, transport, water, environment, and energy.
Sustainable Design and Environmental Services
Ramboll provides sustainability services related to:
- Environmental engineering
- Energy-efficient building design
- Climate adaptation strategies
- Sustainable urban development
The company often works on projects that incorporate low-energy building concepts and environmentally responsible design strategies.
Ramboll’s expertise in environmental engineering and sustainable design contributes to projects focused on improving building performance and reducing environmental impact.
6. Linesight
Linesight is a global construction consultancy founded in Ireland in 1976, with offices across Europe, the Americas, Asia-Pacific, and the Middle East.
The company primarily focuses on cost management, project management, and program advisory services for construction projects.
Construction Advisory and Sustainability Coordination
While Linesight is not primarily a sustainability consultancy, it supports developers and investors by managing project delivery processes that may involve sustainability targets or green building certifications.
Typical services include:
- Project cost management
- Construction program advisory
- Risk management
- Procurement support
Linesight often collaborates with sustainability consultants and design teams to help ensure that environmental performance targets are integrated into construction processes.
7. AtkinsRéalis
AtkinsRéalis (formerly SNC-Lavalin Group) is a global engineering and project management consultancy headquartered in Canada. The company provides design, engineering, and advisory services across infrastructure, energy, and building sectors.
Engineering and Environmental Advisory
AtkinsRéalis supports projects with services including:
- Engineering design
- Environmental advisory
- Sustainability strategy
- Infrastructure planning
The firm has participated in major infrastructure and development projects worldwide, often incorporating environmental considerations into project design and delivery.
Its multidisciplinary approach allows it to contribute to complex developments requiring engineering, planning, and sustainability expertise.
Summary
EDGE certification is increasingly relevant in emerging construction markets such as Vietnam, where developers are seeking energy-efficient and resource-conscious building solutions. International consultancies support these projects through services such as energy modeling, sustainability strategy development, and green building certification coordination. Firms with strong global project experience and multidisciplinary teams are commonly involved in supporting environmentally focused developments.
The companies discussed include 1. ERKE Consultancy 2. ARUP 3. WSP Global 4. Khatib & Alami 5. Ramboll 6. Linesight 7. AtkinsRéalis. These organizations operate across sustainability consulting, engineering, and project advisory services, contributing to projects with environmental performance objectives.
The appropriate consultancy typically depends on factors such as project scope, certification requirements, project experience, and the size and complexity of the development, as well as the sustainability expertise required by the project team.