Page TopSapporo Convention Center
Convention Linkage, Inc.
November 2025
Convention center 20,309 sq m
Sapporo,Hokkaido
Certification Consulting
*The area shown is the GFA (Gross Floor Area) as defined by the certification requirements.
LEED O+M: Existing Buildings v4.1 Gold
LEED BD+C: CS v4 Platinum
Azabudai Hills Mori JP Tower Office & Retail
Mori Building Co., Ltd.
October 2025
Tenant Building 328,390 sq m
Minato-ku, Tokyo
LEED BD+C: CS v4 Platinum
Toranomon Hills Station Tower Office & Retail
Mori Building Co., Ltd.
September 2025
Tenant Building 203,163 sq m
Minato-ku, Tokyo
WELL：v2 Precertification
IINO LINES HEAD OFFICE
IINO KAIUN KAISHA, LTD.
August 2025
Office 4,709.99 sq m
Chiyoda-ku,Tokyo
WELL：v2 Precertification
IINO BUILDING
IINO KAIUN KAISHA, LTD.
August 2025
Office 76,289.97 sq m
Chiyoda-ku,Tokyo
LEED O+M: Existing Buildings v4.1 Platinum
AKASAKA INTERCITY AIR
NIPPON STEEL KOWA REAL ESTATE CO.,LTD / Akasaka Intercity Management Co.,Ltd.
July 2025
Tenant Building 154,778 sq m
Minato-ku, Tokyo
Sustainability Consulting
EPD Registration Support
Shelter Co.,Ltd.
2025
EPD Registration Support
Cypress Sunadaya Co., Ltd.
2024
Support for Sustainability Strategy Formulation and Environmental Action Plans
Mitsubishi Corporation Urban Development, Inc.
2024
EPD Registration Support
OBAYASHI CORPORATION
2024
JPC Tomakomai EPD Registration Support
KUROSAWA CONSTRUCTION CO.,Ltd.
2023
EPD Registration Support
KUROSAWA CONSTRUCTION CO.,Ltd.
2023
Emission factor forecast and utility analysis
(Confidential) Real Estate Investment Company
2022
Building energy efficiency studies and efficiency analysis of heat sources, etc.
(Confidential) Real Estate Development Company
2022
Energy Audit
GLP Japan Inc.
2022
Type Ⅲ EPD Registration Support
KUROSAWA CONSTRUCTION CO., Ltd.
2022
Life-Cycle Assessment Consulting
(Confidential) Professional partner in construction and real estate
2022
Life-Cycle Assessment Consulting
(Confidential) General Contractor
2022
Life-Cycle Assessment Consulting
(Confidential) General Contractor
2022
ESG Due Dilligence
(Confidential) Real Estate Investment Company
2021
Functional and benefit analysis of green infrastructure based on LEED evaluation methods
(Confidential) ICT Solution Company
2020
Research &Advisory
Update the list of Certification System Evaluation Items
(Confidential) Architectural Design Office
2023
Regulatory Risk Assessment
(Confidential) Real Estate Development Company
2021