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Costain Group Valuation Multiples
Discover Costain Group's revenue and EBITDA valuation multiples and M&A history, alongside public comparables like Transrail Lighting, Kalpataru, Galliford Try Holdings, YIT and more.
Costain Group Overview
About Costain Group
Costain Group PLC offers solutions and services. It provides engineering and technology solutions and advisory and development, design, management, project delivery, technology integration and asset optimization and support services to highways, nuclear, oil and gas, power, water sectors, rail. The company has two segments C and Natural resources. The transportation segment covers highways, rail, and nuclear markets and the Natural resources segment comprises of water, power and oil and gas markets. Majority of revenue is from Transportation Segment.
Founded
1978
HQ

Employees
3.1K
Website
Sectors
Financials (LTM)
EV
$462M
Valuation Multiples
Start free trialCostain Group Financials
Costain Group reported last 12-month revenue of $2B and EBITDA of $82M.
In the same LTM period, Costain Group generated $114M in gross profit, $82M in EBITDA, and $53M in net income.
Revenue (LTM)
Costain Group P&L
In the most recent fiscal year, Costain Group reported revenue of $1B and EBITDA of $88M.
Costain Group is profitable as of last fiscal year, with gross margin of 11%, EBITDA margin of 6%, and net margin of 4%.
Financial data powered by Morningstar, Inc.
Costain Group Stock Performance
Costain Group has current market cap of $683M, and enterprise value of $462M.
Market Cap Evolution
Costain Group's stock price is $2.55.
Costain Group share price decreased by 2.0% in the last 30 days, and increased by 29.0% in the last year.
Costain Group has an EPS (earnings per share) of $0.20.
| EV | Market Cap | Price 1D | Price 1M | Price 3M | Price 12M | EPS |
|---|---|---|---|---|---|---|
| $462M | $683M | -2.0% | -2.0% | 3.8% | 29.0% | $0.20 |
Benchmark Trading Valuation Multiples by Industry
Sign up to access valuation multiples like growth-adjusted P/E, Rule of 40, next 12-month EV/Revenue, EBITDA multiples by industry, consensus analyst estimates and many more.
Start Free TrialCostain Group Valuation Multiples
Costain Group trades at 0.3x EV/Revenue multiple, and 5.6x EV/EBITDA.
EV / Revenue (LTM)
Costain Group Financial Valuation Multiples
As of June 4, 2026, Costain Group has market cap of $683M and EV of $462M.
Costain Group has a P/E ratio of 12.8x.
Multiples above and below 250x are considered non-meaningful (n/m). Valuation data powered by FactSet, Inc. and Morningstar, Inc.
Verified Costain Group Valuation Multiples
Access all public comps and forward-looking valuation multiples like EV/Revenue in 2027, based on consensus analyst estimates. Powered by FactSet and Morningstar.


Costain Group Margins & Growth Rates
Costain Group grew revenue by 18% but EBITDA decreased by 4% in the last fiscal year.
In the most recent fiscal year, Costain Group reported gross margin of 11%, EBITDA margin of 6%, and net margin of 4%.
Costain Group Margins
Costain Group Growth Rates
Data powered by FactSet, Inc. and Morningstar, Inc.
Costain Group Operational KPIs
Costain Group's revenue per employee in the last FY averaged $0.5M, while opex per employee averaged $0.0M for the same period.
Costain Group's Rule of 40 is 23% (metric relevant for SaaS companies only, counted as combined revenue growth rate and EBITDA margin).
Costain Group's Rule of X is 50% (created by Bessemer, Rule of X is another metric to measure SaaS companies, ~1.5x stronger vs. the traditional Rule of 40, counted as revenue growth rate multiplied by 2.5 plus EBITDA margin).
Data powered by FactSet, Inc. and Morningstar, Inc.
Costain Group Competitors
Costain Group competitors include Transrail Lighting, Kalpataru, Galliford Try Holdings, YIT, Beazer Homes, Civmec, Jet Contractors, Latham Group, GR Engineering Services and AVAX.
Most Costain Group public comparables operate across Construction & Engineering.
| EV/Revenue | EV/EBITDA | |||||
|---|---|---|---|---|---|---|
| Last FY | LTM | 2027E | Last FY | LTM | 2027E | |
| 0.9x | - | 7.5x | - | |||
| 4.3x | - | 69.3x | - | |||
| 0.2x | 0.2x | 4.7x | 4.6x | |||
| 0.7x | 0.7x | 17.4x | 14.4x | |||
| 0.8x | 0.8x | 11.8x | 20.3x | |||
| 1.1x | 1.1x | 11.1x | 9.5x | |||
| 0.3x | - | 2.0x | - | |||
| 1.7x | 1.7x | 9.4x | 9.0x | |||
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Acquisitions by Costain Group
Costain Group has acquired 2 companies to date.
Last acquisition by Costain Group was on July 6th 2016. Costain Group acquired Simulation Systems Ltd. for $22M (EV/Revenue multiple available to Pro users).
Latest Acquisitions by Costain Group
| Description | Simulation Systems Ltd. is a UK company founded in 1979 with operations centered in the highways sector, offering integrated hardware and software for traffic monitoring and management. The firm supplies ANPR cameras, VMS signs, and control systems for urban and motorway networks. | Rhead Group is an engineering consultancy delivering lifecycle solutions for infrastructure, construction, and asset management. Established in 1985 with over 550 employees, the UK-based firm serves clients including National Grid, Wales & West Utilities, and BAE Systems. It specializes in design, project management, and compliance services for rail, utilities, and defense projects nationwide. |
| HQ Country | ||
| HQ City | Bristol | Maidenhead |
| Deal Date | 6 Jul 2016 | 17 Aug 2015 |
| Valuation | $22M | $46M |
| EV/Revenue | ||
| EV/EBITDA | ||
This data is available for Pro users. Sign up to see all Costain Group acquisitions and their M&A valuation multiples. Start Free Trial | ||
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Start Free TrialAbout Costain Group
| When was Costain Group founded? | Costain Group was founded in 1978. |
| Where is Costain Group headquartered? | Costain Group is headquartered in United Kingdom. |
| How many employees does Costain Group have? | As of today, Costain Group has over 3K employees. |
| Who is the CEO of Costain Group? | Costain Group's CEO is Alexander John Vaughan. |
| Is Costain Group publicly listed? | Yes, Costain Group is a public company listed on London Stock Exchange. |
| What is the stock symbol of Costain Group? | Costain Group trades under COST ticker. |
| When did Costain Group go public? | Costain Group went public in 1979. |
| Who are competitors of Costain Group? | Costain Group main competitors include Transrail Lighting, Kalpataru, Galliford Try Holdings, YIT, Beazer Homes, Civmec, Jet Contractors, Latham Group, GR Engineering Services, AVAX. |
| What is the current market cap of Costain Group? | Costain Group's current market cap is $683M. |
| What is the current revenue of Costain Group? | Costain Group's last 12 months revenue is $2B. |
| What is the current revenue growth of Costain Group? | Costain Group revenue growth (NTM/LTM) is 16%. |
| What is the current EV/Revenue multiple of Costain Group? | Current revenue multiple of Costain Group is 0.3x. |
| What is the current EBITDA of Costain Group? | Costain Group's last 12 months EBITDA is $82M. |
| What is Costain Group's EBITDA margin? | Costain Group's last 12 months EBITDA margin is 5%. |
| What is the current EV/EBITDA multiple of Costain Group? | Current EBITDA multiple of Costain Group is 5.6x. |
| What is the current FCF of Costain Group? | Costain Group's last 12 months FCF is $41M. |
| What is Costain Group's FCF margin? | Costain Group's last 12 months FCF margin is 3%. |
| What is the current EV/FCF multiple of Costain Group? | Current FCF multiple of Costain Group is 11.3x. |
| How many companies Costain Group has acquired to date? | As of June 2026, Costain Group has acquired 2 companies. |
| What was the largest acquisition by Costain Group? | $46M acquisition of Rhead Group on 17th August 2015 was the largest M&A Costain Group has done to date. |
| What companies Costain Group acquired? | Costain Group acquired Rhead Group and Simulation Systems Ltd.. |
| In how many companies Costain Group has invested to date? | Costain Group hasn't invested in any companies yet (or none have been disclosed publicly). |
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