Q3 FY26 Results · Dec 2025
Interarch Building Solutions:
₹523 Cr Revenue. +43.7% YoY Growth.
Building Stuff You’ll Walk Under For Years.
A pre-engineered steel building company that quietly became the second-largest in India, executed 44,948 tons of steel in one quarter, grew profits 40.7% YoY, and is now planning to triple capacity while making plans for global domination. (Okay, maybe not that last part. But Gujarat plants are happening.)
Market Cap₹2,922 Cr
CMP₹1,742
P/E Ratio21.0x
ROE18.0%
ROCE24.8%
01 — At a Glance
The Steel Assembly Company That’s Not Actually Assembly.
- 52-Week High / Low₹2,763 / ₹1,264
- Q3 FY26 Revenue₹523 Cr
- Q3 FY26 PAT₹39.7 Cr
- TTM EPS₹81.76
- Annualised EPS (Q3 Avg × 4)₹71.32
- Book Value / Share₹477
- Price to Book3.65x
- Order Book (Oct 2025)₹1,634 Cr
- Debt-to-Equity0.01x
- 3-Month Return-27.3%
Flash Summary: Interarch just showed Q3 revenue of ₹523 crore (up 43.7% YoY) and PAT of ₹39.7 crore (+40.7% YoY). The order book stands at a comfortable ₹1,634 crore. The stock has face-planted -27.3% in three months because the market apparently believed the ₹1,742 price tag was as permanent as a steel building. Plot twist: capacity expansions are coming, and the company’s management thinks they’re ahead of schedule. Nothing scarier for portfolio managers than a capex story playing catch-up with a stock price in free fall.
02 — Introduction
Pre-Engineered Steel Buildings: The Infrastructure Nobody Thinks About But Desperately Needs
Let’s start with a mental picture: every Amazon warehouse you’ve seen, every solar farm in Rajasthan that’s now producing electrons, every manufacturing facility sprawled across Gujarat—many of them were built using pre-engineered steel (PEB) structures. Not because of marketing genius, but because PEB is the grown-up version of LEGO for buildings. You design it once in a factory, ship it, and slap it together on-site. No surprises. No construction delays. Fixed price, fixed timeline.
Interarch Building Solutions, incorporated in 1983, is India’s second-largest integrated PEB manufacturer—with 6.5% market share and 201,000 MTPA (million tons per annum) of installed manufacturing capacity spread across eight facilities. The company holds the TRACDEK and TRAC brands and has built 756 PEB projects since FY15. They’re not famous because they’re boring. But boring in infrastructure is exactly what makes you rich.
Q3 FY26 was a validation of this boring brilliance. Revenue hit ₹523 crore (up 43.7% YoY). Profit after tax came in at ₹39.7 crore (up 40.7% YoY). Operating margin held steady at a respectable 10%. The management went on a concall in Feb 2026 and essentially said: “We did better than our own expectations.” And then dropped the real bomb—capacity expansions worth ₹100+ crore in fresh equity, plus a slew of capex projects that will roughly triple facility footprint by FY28. The market, apparently, did not like this news.
Dec 2025 CRISIL Upgrade (Apr 2025 Rating Update): CRISIL A/Stable & CRISIL A1 — upgraded from A-/Stable & A2+ — reflecting “healthy revenue growth and improvement in operating profitability.” Interest coverage at 69x on latest data. Debt? Practically non-existent (₹11.2 crore gross debt on ₹2,922 crore market cap). CRISIL expects gearing to remain below 0.05x through 2025, meaning no financial stress, just operational execution pressure.
03 — Business Model: WTF Do They Even Do?
Building Buildings. Literally. But With Math Involved First.
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