Construction

FlowManual

Website
Founded 2026Origin source ↗Checked 2026-09-15

Overview

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.

Company description As recorded 2026-11-08
LinkedIn Pricing
ConstructionWorkflow automationBusinessesSmall businessesSubscription

Pricing

Every feature is available on the free plan, within a daily usage allowance.

Source-reported As recorded 2026-10-20

Founders & team

Previously ProManual

Company history As recorded 2026-11-08

David Shijoon Bae

Founder/CEO

Co-founder & CEO @ FlowManual. Automating Construction Contract Procurement. Previously MechE @ Harvard.

LinkedIn
Founder profile As recorded 2026-09-15

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.

LinkedIn X
Founder profile As recorded 2026-09-15
2team members reported
Source-reported As recorded 2026-09-15

Founded 2026 · Source

News & product activity

Sources & observations

Y Combinator

Profile depthenriched profile
Website observationwebsite reachable
Last website check2026-11-11
Location · source statedSan Francisco, CA, USA
Pricing evidenceA pricing page was detected
Maturity: Not assessed · 4 of 6 areas documented

Source-based assessment · automated evidence rules

The retained text does not establish product availability or customer use.

Maturity is an evidence-based assessment, not a success rating. It may understate the current stage where evidence is limited. Coverage records documented areas, not a complete or independently audited company history.

Stage definitions
independent websitesource corroborationreachable websitedescriptive evidenceclassified market and modelsourced peoplesourced founding yearpricing page observedrecent publishing observed
startup.observe Directory coverage · Sources & method