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Costain Group PLC (COST.L)
GBp211.50
+4.50 (+2.17%)
GB LSE Industrials Engineering & Construction
Address
Costain House SL6 4UB
London, GB
London, GB
CEO
Alexander John Vaughan
Website
costain.com
IPO
1988-07-01
ISIN GB00B64NSP76
Also trades on
London Stock Exchange · COST.L (GBp)
Other OTC · CSGQF (USD)
Description
Costain Group PLC, established in 1865 and headquartered in Maidenhead, UK, specializes in providing intelligent infrastructure solutions. Serving the United Kingdom's energy, water, transportation, and defense markets, the company operates through two core segments. The Transportation division focuses on road, rail, and integrated transport projects, while the Natural Resources division addresses needs in the water, energy, and defense sectors. Costain's extensive service offerings include forward-thinking strategic consultancy, expert advisory, advanced digital technology, asset optimization, and the meticulous delivery of complex programs.
Market Cap & Enterprise Value
Merger & Acquisition History
No mergers or acquisitions recorded for this company.
Technical Outlook
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Signal Summary
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| Indicator | 1D | 1W | 2W | 3W | 1M |
|---|
Each column is computed on that timeframe's candles (1D = daily, 1W ≈ weekly, 1M ≈ monthly), not on the same last day. ▲ bullish · ▼ bearish · — neutral. The Net row counts signals per column; hover any cell (or the indicator name) to see the exact rule behind it.
Day Score & sub-scores
Statistical fingerprint & regime detail
Conditional historical analysis
Customize analysis (advanced)
Indicative levels generated algorithmically. Not financial advice.
Risk Profile
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Price Chart
GBp211.50
+4.50 (+2.17%)
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Volume Profile
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Liquidity & share structure
Average Volume
1M
Beta
0.89
Float Shares
232.68M
Free Float %
87.0%
Price Performance
| 1D | 5D | 1M | 3M | 6M | YTD | 1Y | 3Y | 5Y | 10Y | Max |
|---|---|---|---|---|---|---|---|---|---|---|
| +1.47% | +1.10% | +3.86% | +3.86% | +26.17% | +21.43% | +56.54% | +275.58% | +229.59% | -43.24% | -99.99% |
Rolling Volatility
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Drawdown
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Relative Strength
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Monthly Returns Heatmap
From
To
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Annual Monthly Returns
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Daily Returns Distribution
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Revenue flow
Revenue by geography
Revenue by segment
From
To
Revenue composition
From
To
By product
By geography
Financial Statements
Select metrics from the tables below to build your comparison.
Income Statement
Balance Sheet
Cash Flow Statement
Key Metrics
Financial Ratios
Employees
Financial Growth (CAGR)
Market Data
Price Targets & DCF
Current price
211.50
DCF (Unlevered)
149.25
-29.4%
DCF (Levered)
209.32
-1.0%
DCF figures are point estimates: small changes in growth or discount-rate assumptions move them materially. Read them as a reference, not a precise target.
Ratings Trend (MoM)
83% Bullish
| Rating | 2026-05 | Change |
|---|---|---|
| Strong Buy | 0 | 0 |
| Buy | 5 | 0 |
| Hold | 1 | 0 |
| Sell | 0 | 0 |
| Strong Sell | 0 | 0 |
Quality scores
Altman Z-Score
6.19
Safe zone
Piotroski F-Score
7 / 9
Strong
MOAT Score
2 / 10
No MOAT
Composite Rating
A
Overall Score
4 / 5
High
DCF Score
4 / 5
High
ROE Score
4 / 5
High
ROA Score
5 / 5
High
D/E Score
3 / 5
Medium
P/E Score
4 / 5
High
P/Book Score
3 / 5
Medium
Operational MOAT
✗ Below peers
-
Revenue growth Engineering & Construction: +6.7%-16.4% Q4'25: -22.1% (vs Q4'23)
-
EPS growth Engineering & Construction: +20.8%+27.3% ★ Q4'25: +36.3% (vs Q4'23)
-
FCF margin FCF growth · Engineering & Construction: +51.6%+3.3% Q4'25: +12.0% (vs Q4'23)
-
EBIT margin Engineering & Construction: +7.0%+4.5% Q4'25: +5.9% (vs Q4'23)
-
ROIC Engineering & Construction: +6.4%+53.7% ★ Q4'25: +138.4% (vs Q4'23)
-
Share dilution Engineering & Construction: +0.0%-0.7% ★ Q4'25: -0.3% (vs Q4'23)
-
Debt / EBITDA Net debt/EBITDA · Engineering & Construction: -0.38×0.42× ★ Q4'25: 0.17× (vs Q4'23)
Valuation Multiples
From
To
Price Forecast (3Y)
From
To
Theoretical Return — If Invested Today
* These projections are based on analyst consensus estimates and user-defined valuation multiples. This table is for informational purposes only and does not constitute a recommendation to buy or sell any security. Past performance is not indicative of future results.
Consensus Estimates
| Metric |
Dec 1999 actual |
Dec 2000 actual |
Dec 2003 actual |
Dec 2005 actual |
Dec 2006 actual |
Dec 2007 actual |
Dec 2008 actual |
Dec 2009 actual |
Dec 2010 actual |
Dec 2011 actual |
Dec 2012 actual |
Dec 2013 actual |
Dec 2014 actual |
Dec 2015 actual |
Dec 2016 actual |
Dec 2017 actual |
Dec 2018 actual |
Dec 2019 actual |
Dec 2020 actual |
Dec 2021 actual |
Dec 2022 actual |
Dec 2023 actual |
Dec 2024 actual |
Dec 2025 actual |
Dec 2026 5 Rev. Ana. 5 EPS Ana. |
Dec 2027 5 Rev. Ana. 5 EPS Ana. |
Dec 2028 5 Rev. Ana. 5 EPS Ana. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue |
373.10M
est: 12.99B (-97.1%)
|
381.20M
est: 129.92M (+193.4%)
|
623.50M
est: 619.42M (+0.7%)
|
678.10M
est: 769.60M (-11.9%)
|
748.40M
est: 860.89M (-13.1%)
|
747.60M
est: 757.87M (-1.4%)
|
902.60M
est: 858.77M (+5.1%)
|
993.40M
est: 1.01B (-1.3%)
|
924.50M
est: 1.01B (-8.2%)
|
868.50M
est: 918.96M (-5.5%)
|
848.40M
est: 975.86M (-13.1%)
|
885.20M
est: 931.37M (-5.0%)
|
1.07B
est: 1.04B (+3.3%)
|
1.26B
est: 1.25B (+1.0%)
|
1.57B
est: 1.54B (+2.0%)
|
1.68B
est: 1.72B (-2.0%)
|
1.46B
est: 1.57B (-6.8%)
|
1.16B
est: 1.18B (-2.3%)
|
978.40M
est: 1.04B (-5.9%)
|
1.14B
est: 1.08B (+5.1%)
|
1.42B
est: 1.24B (+14.8%)
|
1.33B
est: 1.31B (+1.9%)
|
1.25B
est: 1.27B (-1.2%)
|
1.05B
est: 1.05B (-0.6%)
|
1.23B
1.20B – 1.27B
+17.0% YoY
|
1.40B
1.30B – 1.50B
+13.6% YoY
|
1.49B
1.48B – 1.49B
+6.3% YoY
|
| EBITDA |
8.80M
est: 132.46M (-93.4%)
|
8.30M
est: 43.0K (+19,202.8%)
|
35.30M
est: 205.0K (+17,119.0%)
|
13.20M
est: 254.7K (+5,082.3%)
|
-62.30M
est: 28.97M (-315.0%)
|
22.20M
est: -49.27M (+145.1%)
|
30.80M
est: 58.58M (-47.4%)
|
25.40M
est: 70.69M (-64.1%)
|
31.90M
est: 47.23M (-32.5%)
|
29.70M
est: 55.01M (-46.0%)
|
32.00M
est: 62.76M (-49.0%)
|
24.90M
est: 53.16M (-53.2%)
|
27.50M
est: 17.49M (+57.2%)
|
35.10M
est: 32.44M (+8.2%)
|
44.20M
est: 38.09M (+16.0%)
|
54.20M
est: 44.38M (+22.1%)
|
58.30M
est: 41.63M (+40.0%)
|
18.00M
est: 33.24M (-45.8%)
|
-65.10M
est: 8.67M (-851.2%)
|
4.60M
est: 9.27M (-50.4%)
|
47.20M
est: 9.43M (+400.7%)
|
50.90M
est: 45.71M (+11.3%)
|
52.60M
est: 44.39M (+18.5%)
|
60.00M
est: 36.79M (+63.1%)
|
43.05M
41.97M – 44.49M
+17.0% YoY
|
48.92M
45.47M – 52.61M
+13.6% YoY
|
52.01M
51.87M – 52.16M
+6.3% YoY
|
| EBIT |
7.40M
est: -44.84M (+116.5%)
|
7.40M
est: 999.00 (+740,640.7%)
|
34.40M
est: 4.8K (+722,285.6%)
|
27.90M
est: 5.9K (+471,502.4%)
|
-61.40M
est: 28.64M (-314.4%)
|
20.30M
est: -56.55M (+135.9%)
|
24.80M
est: 18.70M (+32.6%)
|
23.40M
est: 21.45M (+9.1%)
|
30.40M
est: 20.81M (+46.1%)
|
56.10M
est: 26.82M (+109.2%)
|
28.40M
est: 23.36M (+21.6%)
|
20.70M
est: 26.72M (-22.5%)
|
26.20M
est: 18.83M (+39.2%)
|
30.00M
est: 32.07M (-6.5%)
|
34.00M
est: 36.36M (-6.5%)
|
47.80M
est: 39.14M (+22.1%)
|
43.70M
est: 43.36M (+0.8%)
|
-2.30M
est: 32.71M (-107.0%)
|
-91.00M
est: -2.51M (-3,520.9%)
|
-9.40M
est: -2.69M (-249.8%)
|
36.70M
est: -2.73M (+1,442.4%)
|
34.80M
est: 31.63M (+10.0%)
|
40.40M
est: 30.71M (+31.5%)
|
47.10M
est: 25.46M (+85.0%)
|
29.79M
29.03M – 30.78M
+17.0% YoY
|
33.84M
31.45M – 36.40M
+13.6% YoY
|
35.98M
35.88M – 36.08M
+6.3% YoY
|
| Net Income |
4.90M
est: 8.56M (-42.8%)
|
5.10M
est: 19.0K (+26,743.5%)
|
13.20M
est: 90.6K (+14,472.6%)
|
23.60M
est: 112.5K (+20,869.8%)
|
-54.00M
est: 26.40M (-304.6%)
|
16.00M
est: -47.34M (+133.8%)
|
18.20M
est: 18.13M (+0.4%)
|
14.60M
est: 21.34M (-31.6%)
|
23.10M
est: 14.61M (+58.1%)
|
18.70M
est: 21.07M (-11.3%)
|
24.20M
est: 19.86M (+21.9%)
|
12.50M
est: 23.10M (-45.9%)
|
21.00M
est: 13.93M (+50.8%)
|
22.20M
est: 25.71M (-13.6%)
|
26.40M
est: 27.36M (-3.5%)
|
32.60M
est: 29.44M (+10.7%)
|
32.80M
est: 29.76M (+10.2%)
|
-2.90M
est: 24.72M (-111.7%)
|
-78.00M
est: -2.51M (-3,003.7%)
|
-5.80M
est: -2.69M (-115.8%)
|
25.90M
est: 21.90M (+18.3%)
|
22.10M
est: 30.50M (-27.5%)
|
30.60M
est: 33.79M (-9.4%)
|
37.30M
est: 37.30M (+0.0%)
|
40.52M
39.10M – 42.23M
+8.6% YoY
|
45.59M
43.33M – 50.70M
+12.5% YoY
|
48.70M
46.26M – 52.63M
+6.8% YoY
|
| SGA |
—
est: 488.94M (-100.0%)
|
—
est: 173.0K (-100.0%)
|
17.20M
est: 824.8K (+1,985.3%)
|
18.70M
est: 1.02M (+1,724.8%)
|
20.90M
est: 19.24M (+8.6%)
|
21.70M
est: 15.96M (+36.0%)
|
21.80M
est: 24.59M (-11.3%)
|
22.20M
est: 25.56M (-13.1%)
|
23.20M
est: 22.22M (+4.4%)
|
25.60M
est: 21.16M (+21.0%)
|
29.10M
est: 27.93M (+4.2%)
|
33.20M
est: 29.40M (+12.9%)
|
32.90M
est: 37.77M (-12.9%)
|
34.80M
est: 41.25M (-15.6%)
|
36.00M
est: 41.79M (-13.8%)
|
40.90M
est: 40.70M (+0.5%)
|
37.80M
est: 36.79M (+2.7%)
|
32.30M
est: 28.49M (+13.4%)
|
22.00M
est: 28.42M (-22.6%)
|
48.60M
est: 30.39M (+59.9%)
|
35.90M
est: 30.92M (+16.1%)
|
68.70M
est: 59.70M (+15.1%)
|
57.60M
est: 57.98M (-0.7%)
|
65.60M
est: 48.05M (+36.5%)
|
56.23M
54.81M – 58.10M
+17.0% YoY
|
63.89M
59.38M – 68.71M
+13.6% YoY
|
67.93M
67.74M – 68.12M
+6.3% YoY
|
| EPS |
0.12
est: 0.03 (+284.7%)
|
0.12
est: 0.06 (+115.0%)
|
0.31
est: 0.30 (+4.5%)
|
0.55
est: 0.47 (+16.4%)
|
-1.08
est: 0.23 (-561.1%)
|
0.34
est: 0.33 (+3.1%)
|
0.27
est: 0.26 (+5.6%)
|
0.21
est: 0.18 (+18.8%)
|
0.34
est: 0.23 (+49.3%)
|
0.27
est: 0.23 (+18.9%)
|
0.35
est: 0.27 (+30.1%)
|
0.18
est: 0.34 (-46.5%)
|
0.22
est: 0.23 (-5.1%)
|
0.22
est: 0.22 (+1.1%)
|
0.26
est: 0.26 (-1.4%)
|
0.31
est: 0.32 (-2.8%)
|
0.30
est: 0.35 (-14.0%)
|
-0.03
est: 0.10 (-125.1%)
|
-0.37
est: 0.06 (-723.0%)
|
-0.02
est: 0.08 (-127.5%)
|
0.09
est: 0.10 (-5.8%)
|
0.08
est: 0.11 (-27.9%)
|
0.11
est: 0.12 (-10.9%)
|
0.14
est: 0.14 (+0.3%)
|
0.15
0.14 – 0.15
+8.2% YoY
|
0.17
0.16 – 0.19
+15.4% YoY
|
0.19
0.17 – 0.19
+6.2% YoY
|
Historical Ratings (3M)
| Date | Rating | Overall | DCF | ROE | ROA | D/E | P/E | P/B |
|---|---|---|---|---|---|---|---|---|
| 2026-05-29 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-28 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-27 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-26 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-22 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-21 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-20 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-19 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-18 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-15 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-14 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-13 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-12 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-11 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-05-08 | A+ | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 4/5 |
| 2026-05-07 | A+ | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 4/5 |
| 2026-05-06 | A+ | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 4/5 |
| 2026-05-05 | A+ | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 4/5 |
| 2026-05-01 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-04-30 | A | 4/5 | 4/5 | 4/5 | 5/5 | 3/5 | 4/5 | 3/5 |
| 2026-04-29 | A | 4/5 | 4/5 | 4/5 | 5/5 | 2/5 | 4/5 | 3/5 |
| 2026-04-28 | A | 4/5 | 4/5 | 4/5 | 5/5 | 2/5 | 4/5 | 3/5 |
| 2026-04-27 | A | 4/5 | 4/5 | 4/5 | 5/5 | 2/5 | 4/5 | 3/5 |
| 2026-04-24 | A | 4/5 | 4/5 | 4/5 | 5/5 | 2/5 | 4/5 | 3/5 |
| 2026-04-23 | A | 4/5 | 4/5 | 4/5 | 5/5 | 2/5 | 4/5 | 3/5 |
| 2026-04-22 | A | 4/5 | 4/5 | 4/5 | 5/5 | 2/5 | 4/5 | 3/5 |
| 2026-04-21 | A | 4/5 | 4/5 | 4/5 | 5/5 | 2/5 | 4/5 | 3/5 |
| 2026-04-20 | A | 4/5 | 4/5 | 4/5 | 5/5 | 2/5 | 4/5 | 3/5 |
| 2026-04-17 | A | 4/5 | 4/5 | 4/5 | 5/5 | 2/5 | 4/5 | 3/5 |
| 2026-04-16 | A | 4/5 | 4/5 | 4/5 | 5/5 | 2/5 | 4/5 | 3/5 |
Owner Earnings
Owner's Earnings (history)
From
To
Owner alignment
Owner's Earnings TTM
74.10M
OE per share TTM
0.27
Owner's Yield
14.33%
Maintenance CapEx ratio
23.96%
Maint CapEx / Avg PPE
2.9%
Ownership Overview
Ownership breakdown
Ownership breakdown not available.
At a glance
Institutional holders
—
Total invested
—
Insider transactions (90d)
0
Beneficial owners (>5%)
0
Beneficial owners (>5%)
No beneficial ownership filings recorded.
Institutional Activity (13F)
Institutional ownership trend
Institutional history not available.
Top institutional holders
Top holders not available.
ETF Ownership
Top ETFs holding this stock
Held by 17 ETFs in our universe
| # | ETF | Weight | Est. AUM exposure | TER |
|---|---|---|---|---|
| 1 | Fidelity Investment Trust - Fidelity Special Values PLC FSV.L | 0.39% | 6.95M | 0.27% |
| 2 | Amundi Prime UK Mid & Small Cap UCITS ETF DR - GBP (D) PRUK.L | 0.28% | 1.21M | 0.05% |
| 3 | HSBC FTSE 250 UCITS ETF HMCX.L | 0.17% | 117.7K | 0.09% |
| 4 | Invesco FTSE 250 UCITS ETF S250.L | 0.17% | 61.9K | 0.12% |
| 5 | Xtrackers FTSE 250 UCITS ETF 1D XMCX.L | 0.17% | 66.5K | 0.15% |
| 6 | iShares FTSE 250 UCITS ETF MIDD.L | 0.17% | 1.46M | 0.40% |
| 7 | Vanguard FTSE 250 UCITS ETF VMIG.MI | 0.15% | 4.10M | 0.10% |
| 8 | Vanguard FTSE 250 UCITS ETF (GBP) Distributing VMID.DE | 0.15% | 4.10M | 0.10% |
| 9 | iShares Smart City Infrastructure UCITS ETF CT2B.AS | 0.11% | 52.5K | 0.40% |
| 10 | iShares Smart City Infrastructure UCITS ETF CITY.AS | 0.11% | 444.6K | 0.40% |
Insider Activity
Insider Activity — Latest Quarter
No insider activity available.
Insider buys vs sells (history)
Insider history not available.
Recent insider transactions
No recent insider transactions.
Executive team
Top executives
EBIT / Employee
15.2K
Shares Outstanding
267.30M
Executive compensation
Executive compensation (annual)
Executive compensation not available.
CEO compensation breakdown
No CEO compensation history available.
Proxy statements
Proxy statements (DEF 14A)
No proxy statements available for this company yet.
Recent SEC filings
Recent SEC filings
No SEC filings available for this company yet.
Executive team
| Name | Title | Compensation | Gender |
|---|---|---|---|
| Alexander John Vaughan MRICS | Chief Executive Officer, Member of Group Executive Board & Director | 1M | male |
| Helen Margaret Willis | Chief Financial Officer, Member Executive Board & Executive Director | 1M | female |
| Jonathan Willcock | Managing Director of Transportation & Member of Executive Board | — | male |
| Matt Jones | Investor Relations Director | — | — |
| Nicole Geoghegan | General Counsel, Company Secretary & Member of Executive Board | — | female |
| Paul Morris | Group Commercial Director & Member of Executive Board | — | male |
| Peter Mumford | MD of Natural Resources & Member of Management Board | — | male |
| Catherine Warbrick | Chief People & Sustainability Officer and Member of Executive Board | — | female |
ESG Score History
No data available for this company.
Senate Trading Activity
No Senate trading activity found for this company.
House Trading Activity
No House trading activity found for this company.
Market share among peers
Peer comparison — filtered group (TTM)
Your opinion
Share your view on this stock and instantly see how the community has voted over the last 6 months.
Community Opinion for COST.L
Short-term intention
Target Price Distribution
These are community opinions and do not constitute buy or sell advice to act on. The results shown are based on aggregated opinions and are not an investment recommendation, nor do they intend to influence any investment decision.
