Helonic (YC F25) — Automatic construction drawing clash detection
We help construction teams eliminate rework, delays, and drawing confusion before construction starts. We analyze PDF plans, detect clashes and inconsistencies across disciplines, and create draft RFIs so teams can resolve issues early.
Helonic is a Y Combinator company in the Fall 2025 batch. Its directory entry describes it as: Automatic Construction Drawing Clash Detection. The founder listed is Milind Sagaram (Founder/CTO) (Y Combinator directory entry, October 10, 2025).
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We help construction teams eliminate rework, delays, and drawing confusion before construction starts. We analyze PDF plans, detect clashes and inconsistencies across disciplines, and create draft RFIs so teams can resolve issues early.
This saves construction companies hundreds of hours and millions of dollars.
What we do:
- Automatically detect clashes, missing information, and drawing mismatches
- Align architectural, structural, and MEP plans so everything matches across sheets
- Generate draft RFIs from issues we find
- Replace long page-turn meetings with instant drawing analysis
- Reduce rework and prevent schedule delays before boots hit the ground
We integrate with: Procore, Autodesk, email, and the tools teams already use
Teams use us to:
- Save hundreds of thousands to millions of dollars per project
- Catch design and coordination issues early
- Reduce RFIs and prevent field fixes
- Keep projects on schedule with fewer surprises
Contact us at founders@helonic.com
Milind Sagaram
Founder/CTO
Founders, titles and bios as the company published them. Photographs are our own copies of the ones on that record, so they do not break when the original link expires.
One of 53 companies held here in Real Estate and Construction › Construction.
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