UltraTech Cement vs ACC (2026): Scale, Costs, Merger & Which Is Better?
This is not merely India's largest cement company versus a smaller rival
UltraTech Cement and ACC represent two completely different strategic positions in India's cement consolidation cycle.
UltraTech is already operating as an enormous integrated national platform with more than 200 MTPA of Indian grey cement capacity.
ACC is becoming less independent, not more.
Its operations are increasingly integrated with Ambuja Cements, and a proposed amalgamation could ultimately replace ACC shares with Ambuja shares.
That makes the comparison unusual: UltraTech is a long-duration operating franchise, while ACC is partly an operating business and partly a merger-linked security.
The factory-level comparison is much more one-sided than the market-cap comparison
UltraTech produced approximately four times ACC's Q1 cement volume.
Domestic sales volume reached 39.2 million tonnes, up 13.1% year on year.
ACC sold 10.0 million tonnes, down from 10.7 million tonnes.
UltraTech also generated ₹5,146 crore of consolidated PBIDT.
ACC generated ₹457 crore of operating EBITDA.
The difference is not merely because UltraTech owns more plants.
Its reported profitability per tonne is also dramatically higher.
UltraTech vs ACC: Q1 FY2027 operating scoreboard
| Metric | UltraTech Cement | ACC | Current Edge |
|---|---|---|---|
| India installed capacity | 200.1 MTPA | Much smaller standalone network within Adani Cement platform | UltraTech |
| Global UltraTech capacity | 205.5 MTPA | Not comparable | UltraTech |
| Q1 cement volume | 39.2 MnT domestic | 10.0 MnT | UltraTech |
| Volume growth | +13.1% YoY domestic | -6.5% approximately | UltraTech |
| Net sales / revenue | ₹24,465 Cr consolidated net sales | ₹5,808 Cr revenue | UltraTech |
| Sales growth | +16% | Revenue declined from ₹6,328 Cr | UltraTech |
| PBIDT / operating EBITDA | ₹5,146 Cr | ₹457 Cr | UltraTech |
| Operating EBITDA per tonne | ₹1,214 | ₹458 | UltraTech |
| Q1 PAT | ₹2,604 Cr | ₹147 Cr | UltraTech |
| PAT growth | +17% | Down from ₹376 Cr | UltraTech |
| Capacity utilisation | 81% India | Not disclosed on directly identical basis | UltraTech disclosure |
| ACC trade share | Not reported on identical basis here | 81% | ACC mix disclosure |
| ACC premium share | Not reported on identical basis here | 44% of trade sales | ACC mix disclosure |
| Green-power share | 47% | 31% | UltraTech |
| Market capitalisation | ₹348,211 Cr | ₹25,983 Cr | UltraTech |
| P/E | 40.78x | 13.61x | ACC lower |
| P/B | 4.54x | 1.26x | ACC lower |
| ROCE, Bull Run | 12.27% | 10.90% | UltraTech |
| ROE, Bull Run | 11.08% | 10.93% | Very close |
| Debt/equity | 0.30 | 0.00 | ACC |
| OCF / net profit | 1.88x | Negative current database field | UltraTech |
| Bull Run Score | 54.3/100 | 47.1/100 | UltraTech |
₹1,214 versus ₹458 per tonne is too large a gap to ignore
UltraTech's operating EBITDA per tonne improved from ₹1,198 to ₹1,214.
ACC's fell from ₹730 to ₹458.
A difference of ₹756 per tonne across millions of tonnes translates into enormous earnings differences.
Yet ACC requires an important footnote.
The company explicitly said Q1's operating numbers were affected by higher MSA volumes with parent Ambuja Cements.
That means reported ACC legal-entity EBITDA per tonne no longer represents a perfectly clean view of the underlying plants in isolation.
That accounting complication is exactly why ACC's merger context matters
ACC already operates inside a wider cement system whose economic decisions are increasingly made at group level.
Ambuja owns ACC.
Procurement, logistics, clinker flows, sales arrangements, capital allocation and capacity expansion are increasingly coordinated across the platform.
The proposed merger would make the legal structure more closely resemble the operating reality.
Investors should therefore avoid interpreting every standalone ACC margin movement as if ACC were still an entirely independent strategic entity.
ACC's proposed end-state is straightforward
Eligible ACC shareholders are to receive 328 Ambuja Cements shares for every 100 ACC shares.
SEBI issued a no-objection certificate in June 2026.
The company subsequently filed with the NCLT.
ACC said the transaction was expected to complete during FY2027 subject to regulatory approvals.
Until completion, ACC remains separately listed.
After completion, the long-term economic exposure would be Ambuja rather than standalone ACC.
This makes ACC's 13.6x P/E less useful than it looks
A low P/E normally asks whether standalone earnings are undervalued.
For ACC, investors must additionally ask what each ACC share converts into under the fixed merger ratio and how Ambuja itself should be valued.
ACC can therefore look extremely cheap compared with UltraTech on a normal screen without necessarily being a pure value opportunity.
The listed security is partly tethered to another company's future share price.
UltraTech's Q1 story is almost the opposite: acquired assets are being absorbed into a single operating machine
UltraTech has spent aggressively on capacity and acquisitions, but its Q1 numbers show the value of successful integration.
Domestic volume grew 13.1%.
Net sales grew 16%.
PAT grew 17%.
EBITDA per tonne improved.
Capacity utilisation was 81% despite an installed Indian base above 200 MTPA.
Growing volume and maintaining utilisation after adding substantial capacity is difficult.
The India Cements turnaround is a useful test of UltraTech's integration capability
UltraTech specifically highlighted improvement at The India Cements Limited.
Volume there increased approximately 18.5%.
Normalised PAT moved into positive territory after historical losses.
This matters because acquisition-led cement strategies fail when the buyer adds tonnes but cannot improve old plants.
UltraTech's investment case assumes that acquired assets can move toward group-level procurement, sales, logistics and cost standards.
Scale helps UltraTech in procurement before a tonne is even produced
A 200-MTPA cement platform purchases enormous quantities of fuel, gypsum, fly ash, slag, packaging, power and logistics services.
That can create purchasing leverage unavailable to a smaller producer.
It can also justify dedicated logistics infrastructure, renewable-power investments and large digital systems.
The benefit is not automatic.
Large organisations can become bureaucratic.
But cement is unusually suited to scale because procurement and freight represent such a large portion of cost.
Scale also changes how capacity can be balanced geographically
Clinker does not need to be ground at the same location where it is produced.
An integrated national network can move clinker toward grinding plants closer to end demand.
That allows companies to locate kilns near limestone reserves while locating grinding capacity closer to urban markets.
UltraTech's expansion strategy combines greenfield projects, brownfield additions and debottlenecking to continually improve this network.
ACC has the same theoretical group advantage, but the benefit increasingly belongs to Ambuja's platform
ACC's proposed merger can enable clinker balancing and logistics optimisation across a much larger pool of assets.
This is strategically rational.
It also means investors evaluating ACC as an independent company can miss where future efficiency gains will actually be reported.
ACC does have impressive product-mix indicators
Trade share reached 81% and premium products represented 44% of trade sales.
Both improved year on year.
This is a strong retail mix.
Dealer-led premium cement can generate better realisation than aggressively priced institutional sales.
ACC is therefore not simply chasing tonnage.
The company is trying to improve the quality of each tonne sold.
But stronger mix did not protect Q1 earnings
Revenue declined from ₹6,328 crore to ₹5,808 crore.
Operating EBITDA declined from ₹779 crore to ₹457 crore.
PAT fell from ₹376 crore to ₹147 crore.
Planned maintenance at larger integrated units and higher MSA volumes with Ambuja affected profitability.
That makes Q1 a useful reminder that premiumisation cannot compensate for every plant-level or structural headwind.
ACC is doing real work on logistics
Primary lead fell from 290 km to 254 km.
Direct dispatch increased to 52%.
A 36-kilometre reduction in average primary lead can materially improve freight economics when multiplied across millions of tonnes.
Cement is often profitable or unprofitable at the margin because of how far it must travel.
Energy metrics are also moving in the right direction
ACC's power cost declined from ₹6.1 to ₹5.6 per kWh.
Green-power share increased from 26% to 31%.
Kiln fuel cost, however, increased to ₹1.67 per thousand kcal from ₹1.56.
The West Asia conflict created energy-market pressure across the industry.
UltraTech has moved much further on green power
Green power represented 47% of UltraTech's mix at Q1 end.
The company had roughly 1.4 GW of renewable energy capacity and 434 MW of waste-heat-recovery capacity after commissioning another 20 MW in Q1.
For a 200-MTPA cement company, decarbonisation is also an operating-cost strategy.
More captive renewable and waste-heat energy reduces dependence on purchased grid power and fossil-fuel volatility.
UltraTech's balance sheet carries more debt because its growth strategy uses more capital
Bull Run records debt/equity around 0.30 for UltraTech versus zero for ACC.
That does not indicate balance-sheet stress by itself.
UltraTech's scale expansion, acquisitions and new capacity require capital.
Operating cash flow remains strong, at approximately 1.88 times net profit in Bull Run's current comparable field.
The more useful question is whether new capital earns returns above the cost of capital.
UltraTech's ROCE currently remains above ACC's
Bull Run records ROCE around 12.27% for UltraTech versus 10.90% for ACC.
ROE is almost tied, at roughly 11.1% versus 10.9%.
Maintaining a double-digit ROCE while rapidly expanding the asset base is one of UltraTech's central financial challenges.
UltraTech's five-year growth record is strong for a company already this large
Bull Run records five-year sales growth around 14.6%.
Five-year profit growth is approximately 8.4%.
Five-year EPS growth is around 7.9%.
Five-year free cash flow is recorded above ₹15,600 crore.
Those numbers show why the market values UltraTech more like a national infrastructure platform than a cyclical regional cement producer.
UltraTech's valuation premium is substantial
UltraTech trades at approximately 40.8x trailing earnings and 4.54x book.
ACC trades around 13.6x earnings and 1.26x book.
A three-times P/E gap requires explanation.
UltraTech's explanation is scale, earnings visibility, asset integration, cash generation and continued capacity expansion.
ACC's discount reflects weaker current earnings, corporate complexity and the pending transition into Ambuja.
Market capitalisation illustrates how differently investors value the franchises
UltraTech's market capitalisation was approximately ₹3.48 lakh crore on August 25.
ACC's was around ₹26,000 crore.
UltraTech is therefore worth more than thirteen times ACC despite producing only about four times ACC's Q1 volume.
The rest of the gap comes from earnings per tonne, expected durability, future capacity and the fact that ACC's value is increasingly embedded inside Ambuja.
The stock-price record also favours UltraTech
| Market Metric | UltraTech Cement | ACC |
|---|---|---|
| Price on 25 Aug 2026 | ₹11,540 | ₹1,305.90 |
| 1-month return | -4.58% | -2.61% |
| 3-month return | -1.27% | -8.46% |
| 6-month return | -10.80% | -19.04% |
| 1-year return | -8.46% | -27.76% |
| 52-week high | ₹13,110 | ₹1,987 |
| 52-week low | ₹10,325 | ₹1,251.70 |
| RSI (14) | 35.62 | 30.99 |
Both stocks have corrected, but ACC's one-year decline is much deeper.
ACC is also trading much closer to its 52-week low.
The weaker share price partly reflects the weaker standalone Q1 result and merger-linked valuation framework.
The real choice is between a continuing company and a changing security
UltraTech investors are underwriting
- 200+ MTPA India cement scale.
- 13.1% Q1 domestic volume growth.
- ₹1,214 EBITDA per tonne.
- 81% utilisation.
- Acquired-asset turnaround.
- Green-power expansion.
- Strong long-term cash generation.
- A premium valuation.
ACC investors are underwriting
- Improving trade and premium mix.
- Logistics optimisation.
- Recovery from a weak Q1.
- Fixed merger ratio into Ambuja.
- Completion timing and approvals.
- Ambuja's future share price.
- One Cement Platform synergies.
- A much lower standalone valuation.
The biggest mistake would be treating ACC's low P/E as directly comparable with UltraTech's
The securities have different economic end-states.
UltraTech shareholders continue owning UltraTech.
If ACC's merger completes as proposed, ACC shareholders become Ambuja shareholders according to the fixed exchange ratio.
That means the correct ACC analysis must include merger spread, Ambuja valuation and transaction completion risk.
UltraTech vs ACC: current conclusion
On pure cement economics, UltraTech is far ahead today.
It grew volume, revenue and profit simultaneously while generating more than ₹1,200 of EBITDA per tonne.
ACC's current operating numbers are weaker even though its retail and premium mix is improving.
ACC's much lower valuation is therefore not sufficient by itself to reverse the operating conclusion.
UltraTech vs ACC FAQs
Which company sells more cement?
UltraTech by a very wide margin. Q1 FY2027 domestic sales volume was 39.2 million tonnes versus ACC at 10.0 million tonnes.
Which has higher EBITDA per tonne?
UltraTech at ₹1,214 versus ACC at ₹458.
Why is ACC's Q1 EBITDA per tonne so weak?
ACC reported lower volume and profit and specifically noted higher MSA volumes with parent Ambuja Cements as an influence on reported Q1 economics.
Which has better ROCE?
UltraTech currently, at approximately 12.3% versus ACC around 10.9% in Bull Run's standardised snapshot.
Which is cheaper?
ACC on standalone P/E and P/B, although the pending Ambuja merger makes a direct standalone-multiple comparison less useful.
What is the ACC-Ambuja exchange ratio?
328 Ambuja Cements shares for every 100 ACC shares, subject to the scheme becoming effective.
Which company has more green power?
UltraTech reported a 47% green-power mix in Q1 FY2027 versus ACC at 31%.
Which has stronger one-year share-price performance?
UltraTech in Bull Run's August 25 snapshot, at approximately -8.5% versus ACC around -27.8%.
Research sources
Disclaimer
This article is educational and informational only. ACC is subject to a proposed amalgamation into Ambuja Cements at a fixed exchange ratio of 328 Ambuja shares for every 100 ACC shares, subject to required approvals and the scheme becoming effective. UltraTech and ACC's EBITDA-per-tonne figures reflect different operating structures, volumes and consolidation arrangements, and ACC specifically notes higher MSA volumes with Ambuja in Q1 FY2027. Cement companies should be evaluated using volume, realisation, EBITDA per tonne, fuel cost, power cost, freight, product mix, capacity utilisation, capital efficiency and balance-sheet strength rather than P/E alone. Financial metrics, merger conditions, fuel prices and market prices change over time. Nothing here recommends buying, selling or holding UltraTech Cement, ACC, Ambuja Cements or any other security. Bull Run is not a SEBI-registered Research Analyst or Investment Adviser.