FlowManual
<!-- hacklab:yc-profile -- YC company profile AI for Construction's Back Office FlowManual is the all-in-one AI estimating, bidding, and purchasing platform for both general and…
About FlowManual
YC company profile
AI for Construction's Back Office
FlowManual is the all-in-one AI estimating, bidding, and purchasing platform for both general and MEP construction contractors.
Built by two engineers and Harvard dropouts, FlowManual automates the buying process during pre-construction. With FlowManual, specialty contractors win more work while general contractors deliver at higher standards.
- YC batch: Summer 2026
- Founded: 2026
- Team size: 2
- Location: San Francisco
- Country: US
- Status: Active
- Industry: Real Estate and Construction
- Stage: Early
- Tags: SaaS, Construction, Workflow Automation
- YC partner: Gustaf Alstromer
Founders
David Shijoon Bae — Founder/CEO
Co-founder & CEO @ FlowManual. Automating Construction Contract Procurement. Previously MechE @ Harvard.
Michael Lin — Founder/CTO
Co-Founder and CTO at FlowManual. Previously SWE intern at Dijie, where he built a video-based landing page that scaled revenue from $3K to $336K MRR and reduced latency from 800ms to 100ms. Published CS researcher at UC Santa Cruz, co-authored paper submitted to IEEE IV 2025.
Source: Y Combinator · Retrieved 2026-11-02. Company information is self-reported on YC.