When was Costain founded?

Costain was founded in 1865 and raised its 1st funding round 142 years after it was founded.

Where is Costain located?

Costain is headquartered in London, United Kingdom. It is registered at COSTAIN HOUSE,VANWALL BUSINESS PARK,MAIDENHEAD,BERKSHIRE,SL6 4UB.

Which legal entities is Costain associated with?

Costain is associated with COSTAIN GROUP PLC.

How many employees does Costain have?

As of Sep 30, 2026, the latest employee count at Costain is 38.

Is Costain a funded company?

Costain is a funded company, having raised an undisclosed amount across 4 funding rounds to date. The company's 1st funding round was a $***** Post IPO round, raised on Sep 14, 2007.

When was the latest funding round of Costain?

Costain's latest funding was a $***** Post IPO round on May 11, 2020, with participation from 0 investor.

What is the annual revenue of Costain?

Annual revenue of Costain is more than £1B as on Dec 31, 2025

Where does Costain rank among its competitors?

Costain ranks 62nd amongst 12910 active competitors, of which 157 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was WSP, which secured $2.39M in Apr, 2025.

Who are the top competitors of Costain?

Costain's top competitors include Jacobs, WSP and CBRE. Among them, WSP secured the most recent funding round in April, 2025.

Costain - 2026 Company Profile, Team, Funding, Competitors & Financials

Company Details

Provider of engineering consultancy services. It is a consultancy company which deploys technology-based engineering solutions in energy, water, and transportation infrastructures. Also offers services to on-shore and off-shore oil & gas companies, nuclear industries and multi-disciplinary rail projects. Claims to have won the best use of new technology award by Highway magazines in 2016.

Website: costain.com
Social
Email ID: *****@costain.com
Phone Number: +44 **********
Registered Address: COSTAIN HOUSE,VANWALL BUSINESS PARK,MAIDENHEAD,BERKSHIRE,SL6 4UB

Key Metrics

Founded Year

1865

Location

London, United Kingdom

Stage

Acquired

Latest Funding Round

Post IPO, May 11, 2020, $*****

Investors

Europa

Ranked

62^nd among 12910 active competitors

Annual Revenue

£1B+ as on Dec 31, 2025

Employee Count

38 as on Sep 30, 2026

Investment & Acquisitions

Simulation Systems & 3 more

Similar Companies

NV5 & 3380 more

Exit Details

Acquired by Inflexion (Aug 01, 2015)

View Costain's full profile

Costain is associated with 1 legal entity given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Reports
COSTAIN GROUP PLC CIN: 1393773 , United Kingdom, Active	Oct 11, 1978	£1B+ (As on Dec 31, 2025)	-

Costain got acquired by Inflexion on Aug 01, 2015.

Click here to take a look at Costain's acquisition in detail

Costain has raised funding over 4 rounds. Its first funding round was on Sep 14, 2007. Costain has 1 institutional investor.

Here is the list of recent funding rounds of Costain:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
May 11, 2020	6740097	Post IPO	1261699	1974337	3229583	3910005
Jan 01, 2018	4386743	Grant (prize money)	5507832	5508096	6435637	Europa
Feb 26, 2014	5426741	Post IPO	7910410	5843137	5556325	3415000

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Costain's employee count trend

Costain has 38 employees as of Sep 26. Here is Costain's employee count trend over the years:

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Top competitors of Costain include Jacobs, WSP and CBRE. Here is the list of Top 10 competitors of Costain, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Jacobs 1947, Dallas (United States), Public	Professional, technical, and construction service provider	-	Keystone Capital, Europa & 2 others	71/100
2nd	WSP 1959, Montreal (Canada), Acquired	Platform that offers corporate and career solutions	$62.5M	Ukri, CPP Investments & 6 others	70/100
3rd	CBRE 1906, Dallas (United States), Public	Provider of property management services	-	AllianceBernstein, Drona Capital & 4 others	69/100
4th	NV5 1947, Hollywood (United States), Public	Provider of project management and construction quality assurance solutions for solar energy	$19.7M	Avante Capital Partners, USGS & 1 others	69/100
5th	TRC Companies 1969, Windsor (United States), Acquired	Provider of engineering and construction management services	$15.5M	New Mountain Capital, U.S. Environmental Protection Agency ... Read more	68/100
6th	Comfort Systems USA 1997, Houston (United States), Public	Limited information available	-	Wells Fargo, SunTrust Bank & 3 others	67/100
7th	Greystar 1993, Charleston (United States), Early Stage	Provider of investment, property & construction management services	$2.38M	Concrete Ventures	66/100
8th	Arcadis 1888, Amsterdam (Netherlands), Public	Design and consultancy for natural and built assets	-	Capricorn Partners, Corda Campus & 5 others	65/100
9th	CIMIC Group North Sydney (Australia), Public	Provider of engineering construction and natural resource project development services	$104M	Starling Group	65/100
10th	Granite Construction 1922, Watsonville (United States), Public	Diversified infrastructure solutions provider specializing in construction and construction materials	-	-	65/100
62nd	Costain 1865, London (United Kingdom), Acquired	Provider of engineering consultancy services	-	Europa	53/100

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Costain has not made any investments yet. Costain has made 4 acquisitions.

Here is the list of latest three $acquisitions:

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Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Jul 06, 2016	Acquisition	Simulation Systems	1979	Bristol (United Kingdom)
Aug 17, 2015	Acquisition	Rhead Group	1985	Coventry (United Kingdom)
Aug 01, 2013	Acquisition	EPC Offshore	2009	Aberdeen (United Kingdom)