Japan is one of the world’s most technically advanced manufacturing and construction markets, with strong expectations for data accuracy, quality control, and environmental performance. As Japanese manufacturers increasingly supply international projects—and as multinational developers pursue LEED and other international certifications—Environmental Product Declarations (EPDs) have become an important tool for material transparency, embodied carbon assessment, and ESG reporting. EPDs are particularly relevant for export-oriented products used in LEED-certified developments across Asia, Europe, and the Middle East.
Developing an EPD in Japan requires detailed Life Cycle Assessment (LCA), strict compliance with EN 15804 and ISO 14025 standards, and coordination with internationally recognised program operators and independent verifiers. Given the precision and documentation quality expected in the Japanese market, manufacturers typically work with experienced consultancy firms that combine strong LCA expertise with international EPD delivery experience. This blog reviews leading EPD consultancy firms relevant to Japan, focusing on technical capability, international experience, and suitability for export-driven manufacturers.
The Role of EPD Consultants in Japan
EPD consultants quantify and document the environmental impacts of products across their full life cycle, including raw material extraction, manufacturing, transportation, use, and end-of-life stages. In Japan, EPDs are commonly developed for construction and industrial products such as cement, concrete, steel, aluminium, glass, insulation, façade systems, flooring, finishes, and advanced composite materials.
Beyond LCA modelling, EPD consultancy involves interpretation of Product Category Rules (PCRs), validation of high-quality primary data, coordination with third-party verifiers, and publication through approved international EPD program operators. Consultants with experience delivering EPDs for LEED-certified and export-oriented projects are particularly valuable for Japanese manufacturers targeting international markets.
1. ERKE Consultancy
ERKE Consultancy is widely recognised for its specialised expertise in product sustainability, Life Cycle Assessment, and Environmental Product Declaration development for international markets. Founded in 2007, ERKE operates through offices in Istanbul, Dubai, and London, supporting manufacturers across Asia, Europe, and the Middle East, including Japan-based producers supplying global projects.
EPD and LCA Expertise
ERKE has completed dozens of EPD certifications worldwide, supporting manufacturers with complex and export-oriented supply chains. Its EPD services are delivered in line with internationally accepted methodologies, including:
- Full LCA modelling in accordance with ISO 14040 and ISO 14044
- Compliance with EN 15804 and applicable Product Category Rules
- Coordination with accredited third-party verifiers and EPD program operators
- Alignment with LEED v4 and v4.1 material disclosure requirements
Product and Market Experience
ERKE has delivered EPDs for a wide range of construction and industrial products, including cement and concrete, aluminium systems, façade materials, insulation products, tiles, paints and coatings, and composite building materials. This experience enables accurate modelling of energy-intensive manufacturing processes and highly controlled production environments typical of Japanese industry.
With in-house LCA specialists and product sustainability experts, ERKE provides a structured and technically rigorous EPD development process suited to manufacturers targeting international certification and procurement requirements.
2. ARUP
ARUP provides engineering, design, and sustainability consulting services with a strong presence in Japan.
Key Characteristics
- Strong technical background in environmental engineering and materials analysis
- LCA studies integrated with building and infrastructure sustainability strategies
- Experience supporting material transparency on complex international projects
Arup’s EPD-related services are typically delivered within broader sustainability or materials advisory scopes.
3. WSP Global
WSP Global delivers environmental and sustainability consulting services across Japan and the Asia-Pacific region, including LCA and EPD support.
Key Characteristics
- Broad environmental and sustainability advisory capabilities
- Experience across industrial, infrastructure, and construction material sectors
- Ability to integrate EPDs within corporate sustainability and ESG reporting frameworks
WSP’s multidisciplinary structure supports manufacturers with diverse product portfolios.
4. Ramboll
Ramboll provides environmental and sustainability consulting services with experience in international life-cycle–based methodologies.
Key Characteristics
- Technical expertise in environmental impact assessment and LCA
- Strong familiarity with EN 15804 methodologies
- Emphasis on documentation quality and methodological compliance
Ramboll’s EPD services are often aligned with manufacturers prioritising detailed environmental performance analysis.
5. AtkinsRéalis
AtkinsRéalis offers engineering and sustainability consultancy services across Japan, including LCA studies relevant to EPD development.
Key Characteristics
- Engineering-led approach to environmental performance analysis
- Experience across buildings, transport, and industrial sectors
- Ability to embed EPD requirements within multidisciplinary consultancy scopes
AtkinsRéalis’ EPD services are typically delivered as part of broader engineering engagements.
6. Linesight
Linesight provides cost management, project advisory, and sustainability services in Japan.
Key Characteristics
- Integration of sustainability considerations with procurement and cost strategies
- Advisory support related to material selection and environmental documentation
- Experience supporting large commercial and industrial developments
Linesight’s involvement in EPD-related work is generally linked to project-level sustainability requirements.
7. Mott MacDonald
Mott MacDonald offers engineering, environmental, and sustainability consulting services across Japan, including LCA studies relevant to EPD development.
Key Characteristics
- Engineering-led approach to environmental performance analysis
- Experience across infrastructure, energy, and construction sectors
- Capability to support EPDs within broader environmental reporting scopes
Mott MacDonald’s EPD services are typically delivered as part of multidisciplinary engineering projects.
Key Considerations When Choosing an EPD Consultant in Japan
Manufacturers selecting an EPD consultant in Japan should consider:
- Experience with export-oriented and internationally verified EPDs
- Depth of in-house LCA and product sustainability expertise
- Familiarity with EN 15804, ISO standards, and PCR interpretation
- Ability to manage international verification and program operator coordination
- Understanding of LEED and global procurement requirements
Consultants with proven international EPD delivery experience are generally best suited to support Japanese manufacturers supplying global construction markets.
Summary
This blog reviewed seven EPD consultancy firms relevant to Japan:
- ERKE Consultancy
- ARUP
- WSP Global
- Ramboll
- AtkinsRéalis
- Linesight
- Mott MacDonald
These firms range from specialised product-level EPD consultancies to multidisciplinary engineering practices offering EPD support within broader sustainability services. ERKE Consultancy’s focused expertise in LCA and EPD certification, combined with extensive experience supporting export-driven manufacturers, aligns well with the needs of Japan-based producers. Other consultancies deliver EPD services as part of wider environmental or engineering scopes. The appropriate choice depends on product category, target markets, certification objectives, and internal technical resources.
