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    Engineering & construction
Costain Group PLC

Costain Group PLC

248.50
GBX
-5.50
(-2.17%)
55.22BMarket Cap
Mar 16Next Earn
Costain Group PLC
LSE:COST
(London Stock Exchange)

Recent

price

248.50

P/E

ratio

- -

div

yld

- -

ROIC.AI

2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
TTM
GBP
13.7
12.75
12.23
12.57
10.66
11.69
14.41
15.14
12.96
10.11
4.6
4.13
5.17
4.87
4.61
3.89
- -
Revenue per Share
0.34
0.27
0.33
0.18
0.21
0.21
0.24
0.29
0.29
-0.03
-0.37
-0.02
0.09
0.08
0.11
0.14
- -
Basic EPS, GAAP
0.44
0.47
-0.35
-0.54
0.34
0.12
0.55
0.44
-0.44
-0.34
-0.24
0.1
0.05
0.25
0.12
0.18
- -
Free Cash Flow per Basic Share
0.08
0.09
0.09
0.1
0.08
0.09
0.1
0.11
0.12
0.12
- -
- -
- -
- -
0.01
0.03
- -
Dividend per Share
0.56
0.45
0.46
0.61
1.03
1.11
0.9
1.37
1.6
1.37
0.57
0.72
0.77
0.79
0.88
0.97
0.97
Book Value per Share
0.56
0.15
0.19
0.15
0.74
0.63
0.3
0.82
1.09
0.86
0.38
0.53
0.58
0.63
0.69
0.78
0.78
Tangible Book Value per Share
67
68
69
70
101
108
109
111
113
114
213
275
275
274
271
269
264
Basic Weighted Avg Shares
925
869
848
885
1,072
1,264
1,574
1,684
1,464
1,156
978
1,135
1,421
1,332
1,251
1,046
- -
Sales/Revenue/Turnover
2.56
2.59
2.16
2.58
2.19
2.34
2.22
2.8
2.94
0.49
-9.4
-0.84
2.46
2.01
2.49
4.28
- -
Operating Margin (%)
3
3
4
5
5
7
12
8
7
20
26
14
12
16
12
13
- -
Depreciation Expense
23
19
23
13
21
22
26
33
33
-3
-78
-6
26
22
31
37
- -
Net Income, GAAP
17.2
21.76
6.48
3.1
7.08
14.62
14.56
22.01
18.41
- -
- -
- -
21.04
28.48
16.16
22.61
- -
Effective Tax Rate (%)
2.5
2.15
2.72
1.41
1.96
1.76
1.68
1.94
2.24
-0.25
-7.97
-0.51
1.82
1.66
2.45
3.57
- -
Profit Margin (%)
-2
-16
-12
-20
48
49
71
117
141
106
104
78
68
92
96
125
122
Working Capital
- -
- -
- -
- -
- -
- -
30
61
61
65
60
50
19
14
13
17
20
LT Debt
38
31
32
43
111
121
100
154
182
158
157
199
211
219
236
258
258
Total Equity
124.19
45.84
73.95
30.7
26.49
18.38
17.91
18.2
14.47
- -
- -
- -
10.89
7.9
10.31
12.61
- -
Return on Invested Capital (%)
140.61
122.44
80.61
32.99
26.95
18.98
18.35
18.89
14.92
- -
- -
- -
11.46
10.28
13.41
14.89
- -
Return on Capital (%)
- -
54.68
73.8
33.29
27.26
19.19
23.98
25.71
19.51
-1.71
-49.65
-3.26
12.63
10.26
13.45
15.1
- -
Return on Common Equity (%)

Capital Structure

GBP

•

in mil. unless spec.
Jun'25
Dec'25
Jun'26
ST Debt
8
9
12
LT Borrowings
- -
- -
- -
LT Finance Leases
16
17
20
Preferred Equity and Hybrid Capital
- -
- -
- -
Shares Outstanding
272
267
266
Market Capitalization
403
426
552

Working Capital

GBP

•

in mil. unless spec.
Jun'25
Dec'25
Jun'26
Total Current Assets
387
411
426
Cash, Cash Equivalents & STI
145
189
164
Accounts Receivable, Net
209
54
218
Inventories
- -
- -
- -
Total Current Liabilities
275
286
304
Payables & Accruals
- -
- -
- -
ST Debt
8
9
12
Deferred Revenue
- -
- -
- -

Growth Rates

GBP

•

in mil. unless spec.

(avg. rate of change)

10 years
5 years
1 year
Total Equity
9.55%
10.83%
9.55%
Free Cash Flow
33.84%
40.29%
44.35%
Net Income, GAAP
193.04%
-118.68%
21.9%
Sales/Revenue/Turnover
-0.55%
2.49%
-16.42%
Total Cash Common Dividend
- -
- -
128.13%

Semi-annual Revenue

GBP

•

in mil. unless spec.

Year

H1
H2
FY
2024
- -
- -
1,251
2025
- -
- -
1,046
2026
- -
- -
- -

Semi-annual Earnings Per Share

GBP

•

in mil. unless spec.

Year

H1
H2
FY
2024
- -
- -
0.11
2025
- -
- -
0.14
2026
- -
- -
- -

Semi-annual Dividends Per Share

GBP

•

in mil. unless spec.

Year

H1
H2
FY
2024
- -
- -
0.01
2025
- -
- -
0.03
2026
- -
- -
- -
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Business
Costain Group PLC provides engineering, construction, consulting, and maintenance services for sustainable infrastructure projects across the United Kingdom's transport, water, energy, defence, and nuclear sectors. The company operates through two divisions, Natural Resources including water treatment and distribution, energy transition and resilience projects such as hydrogen pipelines and carbon capture systems, hydrocarbons and chemicals processing, nuclear decommissioning and fuels facilities, waste management, and defence infrastructure; and Transportation encompassing road network expansions and upgrades, rail systems including high-speed lines and mechanical-electrical installations, integrated transport solutions for airports and urban networks, and aviation enhancements. Founded in 1865 and headquartered at 70 St Mary Axe in London, Costain delivers these services primarily to blue-chip public and private clients such as National Highways, HS2, Thames Water, United Utilities, Southern Water, bp, INEOS FPS, Sellafield Ltd, Cadent, and Heathrow, focusing on design, programme management, digital solutions, and asset optimization throughout project lifecycles. Recent developments include a December 2024 award of two major HS2 contracts valued at a minimum of £400 million for tunnel and lineside systems and £300 million in a joint venture with Siemens Mobility for high-voltage power supply; AMP8 water contract wins and extensions with Northumbrian Water, United Utilities, Southern Water, Severn Trent Water, and Thames Water through 2032; a three-year engineering contract with INEOS FPS at Kinneil Terminal; a technical advice framework with National Highways; design work for an underground hydrogen storage project and Europe's first advanced uranium fuels facility; commencement on CO2 gathering systems for the £4bn East Coast Cluster and hydrogen pipelines for bp's Net Zero Teesside; a three-year extension for Cadent's gas mains replacement; and an October 2025 contract worth up to £1 billion with Sellafield Ltd for utility refurbishments in decommissioning, alongside record forward work growth to £5.4 billion as of year-end 2024.

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