GreenWalls Group
With more than 20 Years of Experience.
We Deliver Innovative Solutions for Sustainable Environments
Who We Are ?
Established in 1998, GreenWalls Group Limited is an internationally recognized, award-winning, innovative-driven leading Hong Kong based cooperation and design-build contractor specializing in Bioengineering, Nanoengineering, Green Technologies, solar panel applications, AIoT, and proprietary NCPP®️ technologies for Net-Zero cities. Incorporating the experiences of local and worldwide civil, structural, geotechnical, building and E&M engineers, with technical advices from biochemical, horticultural and landscaping experts, and continuous joint research effort, we have pioneered innovative solutions that aligns with ESG principles serving the construction industry for over two decades.
The Group operating through its four specialized divisions or subsidiaries: Green-Tech, Nano-Tech, Bio-Tech, and Solar-Tech, each offering unique systems and products. Building on ESG-aligned success in Hong Kong, GreenWalls is expanding its global footprint into mainland China, Australia, and Canada to pioneer sustainable, climate-resilient infrastructure.
GreenWalls Group
Our Members
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Specializes in Vertical Green, Roof Green, Slope Green, and Landscaping solutions.
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Holds various registration certificates, including:
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Registered General Building Contractors
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Registered Minor Works Contractors (Company)
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EPD On-list IAQ-Contractor
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CIC Registered Subcontractors
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Approved Suppliers of Materials and Specialist Contractors for Public Works
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- Focuses on NanoTech Products & Services, including:
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CanSEALER-STS (Product Code: CS1-STS) – Deep Penetrative Crystalline Concrete Preservation & Waterproofing Sealer, with CIC Green Product Certification
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SolarIAQ – Semi-Penetrative Air-Purification and Self-Cleansing Coating for Concrete and Glass
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CanNTFIRE-KFW (Product Code: CS11-KFW) – Wood & Fabric Preservation & Fire-Retardant Sealer
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Specializes in BioTech Products & Services, offering products such as:
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Chito-PowerTM – Fertilizer
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Flex-Ease – Health Supplement
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NAG Cream – Wound Healing
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Focuses on SolarTech Products & Services, including:
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SolarIAQ for AIPV System and Glazing
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i-Biosense - IoT/AI Weather Station and Monitoring Sensor
We are involved
DevB Listed Landscaping Specialist Contractor
(Class / Group 1)
發展局綠化工程專門承造商
(第1級/第1組)
EPD Listed Indoor Air Quality Contractor
環保署註冊室内空氣質素服務承辦商
CIC Registered Greening Specialist Contractor (Group2/S18-S20)
建造業議會註冊綠化專門承造商(組別2/S18-S19-S20)
BD Registered Minor
Works Contractors
(Classes ll & lll)
屋宇署註冊小型工程承建商
(組別 ll & lll)
HK Concrete Repair & Waterproofing Association
香港混凝土維修及防水協會會員
Federation of Hong Kong Agricultural Associations
香港農業聯合會
Business Environment Council
商界環保協會
Our Pride
