ArchiBoost AI 'intelligence layer for the built environment' for architecture/engineering/construction (AEC) teams: automated building-code compliance checks and drawing QA/QC review. Co-founded by Georgios Kontominas (CEO, licensed architect US/UK/Greece, ex-Co-Founder/Director of Architecture at Pantheon AI) and Vasu Jogani (AI engineer, ex-Meta, ex-Nuro head of engineering). Case studies with OTJ Architects (60% cut in code-research/QA time) and Beam Architects; exhibited at AIA26. Pre-seed round closed May 19, 2025 with Perceptive Ventures, a16z, CRV, Hanabi Capital Management, and Long Journey Ventures; amount undisclosed.