Our services
International Surveyor Alliance (ISA) is a Hong Kong-based authority in building forensics and technical arbitration. Our team of 28 RICS/HKIS/CABE-certified experts employs judicial-grade inspection technologies to deliver:
Water Seepage Investigation and Follow up claiming issue
✓ ASTM C1601-Compliant water infiltration rate quantification✓ Hong Kong’s Only dual-certified (RICS+ CIOB+CABE) leak detection team✓ Moisture Mapping with 0.5mm precision
Construction Quality Authentication & Evaluation
✓ Non-Destructive Testing (Schmidt Hammer, Ground Penetrating Radar)
✓ GB/T vs. HK Standards gap analysis for GBA projects✓ AI-Powered Defect Prediction (85% accuracy vs. 60% industry average)
Flood & Fire Incident Investigation
✓ PyroSim Fire Simulation with CFD modeling
✓ 72-Hour Cross-Border Report Turnaround (vs. 7-day industry standard)✓ Legally Admissible Evidence chain management
Building Structural Safety Risk Assessment
✓ Crack Monitoring (0.02mm sensitivity, 24/7 real-time alerts)
✓ Proprietary ISA-2023 Risk Index (adopted by HK Housing Authority)✓ Resonance & Load Testing for high-traffic structures
Enforcement/Removal of Court/Building Orders
✓ Integrated BD/FEHD Compliance Solutions (sole provider in HK)
✓ Risk-Prioritized Action Plans (30% faster approval vs. conventional methods)✓ Court-Admissible Progress Certificates
Expert Witness & Legal Support
✓ 92% Court Success Rate ( 2015-2024)
✓ BIM Evidence Preparation (Hong Kong’s court-admitted BIM model)✓ Multilingual Testimony (English/Cantonese/Mandarin)