Bigbloc Construction Limited

Industrials — Building Products & Equipment · NSE

₹42.60+₹2.22 (+5.50%)

DalalBaazaar Score

39 / 100

🔴 Weak

Verdict

CAUTION

Risk

Very High

Driven by moderate debt load, negative free cash flow, micro-cap size, which brings thin liquidity.

In simple words: The business is earning a fairly low return on the money invested in it, though profits are falling even as sales grow. Cash generation is currently the main factor to watch.

Decision support, not a buy or sell call.

As of 18 Oct 2026, 6:10 pm

Caution warranted. Multiple fundamental metrics — flagged in red below — point to either valuation stretch, leverage risk, or weakening profitability. This doesn't mean avoid the stock outright, but it does mean the burden of proof is on the growth story to justify the current price.

Understanding the Business

Company site ↗

The 60-second version of Bigbloc Construction Limited — what it does, how it earns, and who it competes with, before any of the numbers below.

What does this company do?

Bigbloc Construction Limited, together with its subsidiaries, engages in manufacturing, sales, and marketing of aerated autoclave concrete blocks in India.

IndustryBuilding Products & Equipment

SectorIndustrials

Employees143

Annual revenue₹283 Cr

How does it make money?

Turns over ₹283 Cr a year. Of every ₹100 of sales, about ₹-1 reaches shareholders as profit, with ₹8 left at the operating level before interest, tax and depreciation. Each of its 143 employees supports ₹1.98 Cr of revenue a year, the signature of a capital- or asset-led business.

EBITDA margin8.0%

Net margin-0.6%

Revenue / employee₹1.98 Cr

Who are its competitors?

The closest listed comparisons in its industry are LARSEN & TOUBRO LTD., SIEMENS LTD, ABB INDIA LIMITED. These are the companies its valuation and returns are measured against elsewhere in this report.

LARSEN & TOUBRO LTD.P/E 30.1x · ROE 15.2%

SIEMENS LTDP/E 88.8x · ROE 10.5%

ABB INDIA LIMITEDP/E 92.6x · ROE 19.1%

What is its competitive advantage?Little sign of one

Returns on capital of 2.2% are at or below what the capital likely costs. That is the financial pattern of a business competing largely on price, where advantage has to come from execution rather than position.

ROCE2.2%

ROE-1.3%

Peer median ROE15.2%

What has been driving growth?

Profit has moved mainly because margins changed, not because the business sold much more. Over 3 years revenue moved +42% while net margin moved -104% relative to itself. What this cannot tell you is which products, customers or geographies did the work — that lives in the segment disclosures of the annual report.

Revenue effect+42%

Margin effect-104%

DalalBaazaar Score

39/ 100

Weak

Weighted across six categories. Every point is explained below.

✗ Return on equity is negative
✗ ROE has fallen by 41.3 points over the period

Quality vs. Valuation

Company Quality

40/ 100

Weak

How good the business is, ignoring the share price entirely.

Valuation

26/ 100

Expensive

What you are being asked to pay, ignoring how good the business is.

Weak on business quality and not cheap enough to compensate.

Historical Valuation

Current P/E

355.0x

3Y Median

55.2x

40 monthly readings · mean 56.1x · range 26.8x–114.7x

Sector Median

88.8x

median of 3 sector peers

⚠️Current valuation is approximately 543% above its 3y median of 55.2x. Paying more than usual needs a reason — faster growth, a better balance sheet, or a re-rating you believe in.

⚠️Against its sector it trades 300% above the peer median of 88.8x.

vs. its own history

Expensive

55.2x median over 40 months · +543%

vs. sector peers

Expensive

88.8x median of 3 peers · +300%

vs. generic bands

Expensive

Above 35x

P/E (Trailing)

355.0x

P/B

4.38x

EV/EBITDA

35.7x

PEG

—

Dividend Yield

None

What's Good / What's Bad

🟢 What's Going Well0

Nothing stands out as clearly improving on the years of data available.

🔴 What Needs Attention8

Margins are compressing
EBITDA margin has slipped from 25.5% to 8.0% over 3 years.
Debt is rising
Total debt is up 131% over 3 years — worth checking what it funded.
Free cash flow is negative
The business is not currently covering its capital spending from operations.
Return on equity is falling
ROE has dropped from 40.0% to -1.3% — each rupee of shareholder capital earns less than it did.
Return on capital is falling
ROCE has declined from 30.6% to 2.2% — often a sign of competition or overexpansion.
Receivables growing faster than sales
Receivables are up 115% against revenue growth of 42% — customers are taking longer to pay.
Inventory building faster than sales
Inventory is up 108% against revenue growth of 42% — stock may not be moving.
Valuation above its historical average
At 355.0x the stock trades 543% above its own median of 55.2x.

Red Flags

8 items require attention · 7 high · 1 watch

🔴Debt has risen sharplyFinancial
Total debt is up 131% over 3 years, from ₹87 Cr to ₹202 Cr.
🔴Thin interest coverageFinancial
Operating profit covers interest only 0.4x — little room if earnings dip.
🔴Free cash flow negative for 4 yearsFinancial
The business has not covered its capital spending from operations for several years running, which has to be funded externally.
🔴The company is lossmakingFinancial
Net profit of -₹2 Cr in the latest reported year.
🔴Significant margin compressionFinancial
EBITDA margin has fallen 17.5 points, from 25.5% to 8.0%.
🔴Receivables growing faster than salesFinancial
Receivables up 115% against revenue up 42% — sales are being booked faster than they are collected.
🔴Inventory building faster than salesFinancial
Inventory up 108% against revenue up 42% — stock may not be moving.
🟡Interest coverage is deterioratingFinancial
Cover has fallen from 1.3x to 0.4x.

Investment Thesis

🟢 Bull CaseWhat could make this work?

No clear supporting case emerges from the available numbers.

🔴 Bear CaseWhat could go wrong?

Margins are being competed away
EBITDA margin has fallen from 25.5% to 8.0%. If the trend continues, profit falls even on flat sales — and margin decline rarely reverses quickly.
The debt load needs earnings to hold up
Debt is 8.9x EBITDA. At that level a downturn in earnings turns a manageable balance sheet into a refinancing problem, and lenders get paid before shareholders.
Sales are being booked faster than collected
Receivables are up 115% against revenue up 42%. If customers keep taking longer to pay, reported profit will not turn into cash — and write-offs follow if some never do.
The price already assumes success
The stock trades 543% above its own median multiple. At this level the business has to deliver just to stand still, and a stumble is repriced twice — lower earnings on a lower multiple.
Returns on shareholder capital are falling
ROE has dropped from 40.0% to -1.3%. Each rupee of equity earns less than it did, so profit growth increasingly depends on raising more capital rather than on the existing base working harder.

🟡 Key Things to WatchMeasurable tripwires, set against where this company stands today

1Revenue growth stays above 9% a year✓ 12.3% CAGR
Latest reported year was 40.4%. The bar is set below the established compounding rate, so ordinary variation does not trip it.
2EBITDA margin holds above 6%✓ 8.0%
Two points below today's level — enough room for noise, tight enough to catch real compression.
3Debt / EBITDA falls below 3x✗ 8.9x
Already stretched, so this is a reduction target rather than a level to hold. Around 3x is where lenders typically start attaching conditions.
4Free cash flow remains positive✗ -₹4 Cr
Profit that never becomes cash eventually stops being profit.
5Interest cover stays above 3x✗ 0.4x
How much operating profit can fall before interest stops being comfortably covered.

Investment Checklist

3 / 11 checks passed

✗ Strong return on equity (ROE ≥ 15%)
✗ Strong return on capital employed (ROCE ≥ 15%)
✗ Healthy net margin (≥ 10%)
✗ Generates positive free cash flow
✗ Manageable leverage (Debt/Equity < 1.0)
✓ Adequate short-term liquidity (Current Ratio ≥ 1.0)
✓ Revenue growing year-over-year
✗ Profit growing year-over-year
✗ Not trading at an extreme valuation (P/E < 40x)
✓ Not buying right at the 52-week high
✗ Short-term technical trend isn't bearish

Price history

Quick Metrics

2 good · 4 neutral · 5 weak

Market Cap

₹603 Cr

Micro Cap

Smaller company — thin liquidity and deep drawdowns are normal here

P/E (Trailing)

355.0x

Expensive

Expensive — verify against sector peers

P/B Ratio

4.38x

Fair

Moderate premium to the company's book value

EPS (TTM)

₹0.12

Profitable

Profitable on a per-share basis

ROE

-1.3%

Weak

Weak capital efficiency

ROCE

2.2%

Weak

Low return on total capital employed

Debt/Equity

1.38x

Moderate

Moderate leverage

Revenue Growth (YoY)

40.4%

Healthy

Healthy top-line growth

Profit Growth (YoY)

-118.3%

Falling

Profits are shrinking

Dividend Yield

None

No dividend yield reported — usually means no payout, but verify if one was recently initiated

Free Cash Flow

-₹4 Cr

Cash burning

Spending more cash than the operations bring in

More Metrics

CMP

₹42.6

P/E (Forward)

10.3x

Improving

Below the trailing multiple — the street expects earnings to grow into the price

Operating Margin

4.0%

Weak

Thin margins leave little room for error

Net Margin

0.5%

Weak

Very little revenue reaches the bottom line

Current Ratio

1.03

Adequate

Adequate, but no real cushion

Beta (vs Nifty)

-0.13

Defensive

Steadier than the market

52W Range Position

21%

Mid-range

Technical Snapshot

SMA 20 / SMA 50

38.3 / 41.0

Bearish alignment (short < long)

Price vs SMA 200

Below

Long-term downtrend

RSI (14)

58.2

Neutral momentum

Financial Trend (4-Year)

Metric	FY23	FY24	FY25	FY26	3Y CAGR
Revenue	₹200 Cr	₹243 Cr	₹225 Cr	₹283 Cr	+12.3%
EBITDA	₹51 Cr	₹60 Cr	₹33 Cr	₹23 Cr	-23.8%
EBITDA Margin	25.5%	24.7%	14.7%	8.0%	—
PAT (Net Profit)	₹30 Cr	₹31 Cr	₹10 Cr	-₹2 Cr	—
EPS	₹2.14	₹2.18	₹0.68	₹-0.12	—
ROE	40.0%	29.7%	6.9%	-1.3%	—
ROCE	30.6%	23.2%	6.7%	2.2%	—
Total Debt	₹87 Cr	₹143 Cr	₹188 Cr	₹202 Cr	+32.2%
Free Cash Flow	-₹32 Cr	-₹55 Cr	-₹60 Cr	-₹4 Cr	—

🟢 Revenue has grown at 12.3% a year over 3 years.

🔴 EBITDA has shrunk at 23.8% a year over 3 years.

🔴 EBITDA Margin has fallen from 25.5% to 8.0% over 3 years (-17.5 pts).

🔴 PAT (Net Profit) has turned negative, from ₹30 Cr to -₹2 Cr.

🔴 EPS has turned negative, from ₹2.14 to ₹-0.12.

🔴 ROE has fallen from 40.0% to -1.3% over 3 years (-41.3 pts).

🔴 ROCE has fallen from 30.6% to 2.2% over 3 years (-28.4 pts).

🔴 Total Debt has grown at 32.2% a year over 3 years.

Balance Sheet & Cash Flow — FY2026

Total Assets

₹389 Cr

Total Liabilities

₹242 Cr

Total Debt

₹202 Cr

Cash & Equivalents

₹0 Cr

Operating Cash Flow

₹19 Cr

Capex

-₹23 Cr

Shareholding (proxy)

Institutional Holding

0.0%

Insider Holding

81.0%

Corporate Actions

Ex-Dividend Date

02 Aug 2024

Peer Comparison

Company	P/E	ROE
LARSEN & TOUBRO LTD.	30.1x	15.2%
SIEMENS LTD	88.8x	10.5%
ABB INDIA LIMITED	92.6x	19.1%

Recent News

2 mixed4 general

BIGBLOC Construction Share Price Jumps 10% On Tuesday Despite Broader Market Weakness; Here's Why

Dalal Street Investment Journal, 23 JunPrice move

🟡Mixed / dependsA price move, which is not by itself a change in the business. Worth finding the cause before reading it as either good or bad.

Bigbloc Construction Upper Circuit Today: Price, Data and Peers

Univest, 15 Oct

Small Cap Stock Under Rs 100: THIS Infrastructure Company Reports Strong Q1 Profit | Stock In Focus On Monday

Goodreturns, 12 OctResults

🟡Mixed / dependsA results event. The figures on this page update once the new statements reach the data feed, which usually lags the announcement.

Multibagger stock to be in focus on Monday; here's why

Livemint, 09 Aug

Bigbloc Construction enters chemicals market with NXTgrip; targets up to 20% volume growth

Sahi, 23 Jun

Bigbloc Construction Ltd. Shareholding Pattern – Promoters, FIIs & DIIs

Value Research, 28 Aug

Watch Items

Cross-check against the company's latest quarterly filing / investor presentation before acting.

DalalBaazaar Thesis

🔴Business QualityWeak5.9/20

🔴Financial HealthStretched7/20

🟢GrowthStrong13.6/20

🔴ProfitabilityWeak3.8/15

🔴ValuationDemanding4.9/15

🔴RiskHigh4/10

Weak on the fundamentals

Poor scores on business quality without a price low enough to compensate. There is no obvious argument for owning this over a stronger company at a similar valuation. 7 high-severity red flags sit above this conclusion and should be read first.

This thesis breaks if

✓Revenue growth stays above 9% a year12.3% CAGR
✓EBITDA margin holds above 6%8.0%
✗Debt / EBITDA falls below 3x8.9x
✗Free cash flow remains positive-₹4 Cr
✗Interest cover stays above 3x0.4x