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COSTAIN GROUP PLC

A London Stock Exchange-listed construction and civil engineering group operating across the transportation, water, energy, and defence sectors.

#01393773 · Active · Group / consolidated · Incorporated 1978-10-12 (47y 9m) · Last filing 2026-07-01 (this month)
Industrials · SIC 42110 · F Construction · Group accounts
Accounts due 2027-06-30 (in 12 months) · Confirmation due 2027-03-06 (in 8 months) · No watchouts on the register

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Cash

£26M

-32.3% lowest in 5 filed years

Net assets

£258M

+9.5% highest in 5 filed years

Employees

3,049

-4.2% lowest in 3 filed years

Profit before tax

£48M

+32.1% highest in 5 filed years

Accounts

5-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31

Metric Trend 2021-12-312022-12-312023-12-312024-12-312025-12-31 Δ vs prior
Turnover £1,135,200,000£1,421,400,000£1,332,000,000£1,251,100,000£1,045,700,000 -16.4%
Operating profit -£9,500,000£34,900,000£26,800,000£31,100,000£44,800,000 +44.1%
Profit before tax -£7,500,000£32,800,000£30,900,000£36,500,000£48,200,000 +32.1%
Net profit —£25,900,000£22,100,000£30,600,000£37,300,000 +21.9%
Cash £32,000,000£32,000,000£31,900,000£38,400,000£26,000,000 -32.3%
Total assets less current liabilities £204,900,000———— —
Net assets £199,000,000£211,200,000£219,400,000£235,700,000£258,200,000 +9.5%
Equity £199,000,000£211,200,000£219,400,000£235,700,000£258,200,000 +9.5%
Average employees ——3,3943,1823,049 -4.2%
Wages ——£235,900,000£235,300,000£231,600,000 -1.6%
Directors' remuneration ——£1,246,055£6,600,000£7,700,000 +16.7%

Values shown as filed in the company's annual accounts. — indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show —. About these numbers

Ratios

Computed from the line items above — sparklines read oldest → newest

Ratio Trend 2021-12-312022-12-312023-12-312024-12-312025-12-31
Operating margin -0.8%2.5%2.0%2.5%4.3%
Net margin —1.8%1.7%2.4%3.6%
Return on capital employed -4.6%————
Gearing (liabilities / total assets) 59.1%53.9%42.9%34.6%28.7%
Current ratio 1.11x0.82x0.78x0.69x0.74x
Interest cover ——6.87x7.97x10.67x

Margins divide P&L lines by turnover. Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.

Name history

Renamed 1 time since incorporation

  1. COSTAIN GROUP PLC 1978-12-31 → present
  2. TRUSHELFCO (NO. 192) LIMITED 1978-10-12 → 1978-12-31

Audit & accounting basis

Accounting basis
IFRS
Reporting scope
Consolidated group
Auditor
PricewaterhouseCoopers LLP
Audit opinion
Unqualified (clean)
Going concern
Affirmed

“The Directors have concluded that there is no material uncertainty that casts significant doubt about the Group’s ability to continue as a going concern for a period of at least 12 months from when the financial statements are authorised for issue.”

Group structure

  1. COSTAIN GROUP PLC · parent
    1. Costain Limited 100% · England · Engineering, Construction and Maintenance
    2. Costain Engineering & Construction Limited 100% · England · Holding and Service Company
    3. Costain Civil Engineering Limited 100% · England · Engineering
    4. Costain Oil, Gas & Process Limited 100% · England · Process Engineering
    5. Richard Costain Limited 100% · England · Service Company
    6. Costain Investments Limited 100% · England · Dormant
    7. Costain PCA Inc. 100% · US · Holding Company
    8. Costain Plant Division Limited 100% · England · Holding Company
    9. County & District Properties Limited 100% · England · Trading
    10. Renown Investments (Holdings) Limited 100% · England · Trading
    11. Landcare Services Limited 100% · England · Trading
    12. Brunswick Infrastructure Services Limited 100% · England · Dissolved August 2025
    13. Calvert & Russell Limited 100% · England · Dormant
    14. CLH Engineering (Overseas) Limited 100% · British Virgin Islands · Holding Company
    15. Construction Study Centre Limited 100% · England · Dormant
    16. Costain Alcaldesa Limited 100% · England · Dormant
    17. Costain America Inc. 100% · US · Holding Company
    18. Costain Building & Civil Engineering Limited 100% · England · Holding Company
    19. Costain Construction Limited 100% · England · Dissolved December 2025
    20. Costain de Venezuela CA 100% · Venezuela · Dormant
    21. Costain Emerald Solutions Limited 100% · England · Dormant
    22. Costain Engineering & Construction (Overseas) Limited 100% · British Virgin Islands · Holding Company
    23. Costain Engineering Services Inc. 100% · US · Dormant
    24. Costain Integrated Services Limited 100% · England · Trading
    25. Costain Integrated Technology Solutions Limited 100% · England · Trading
    26. Costain International Limited 100% · England · Dormant
    27. Costain Management Design Limited 100% · England · Dissolved August 2025
    28. Costain Minerals Inc. 100% · US · Dormant
    29. Costain Mining Services Inc. 100% · US · Dormant
    30. Costain Oil, Gas & Process (Nigeria) Limited 100% · England · Dormant
    31. Costain Oil, Gas & Process (Overseas) Limited 100% · British Virgin Islands · Dormant
    32. Costain Process Construction Limited 100% · England · Dormant
    33. Costain Upstream Limited 100% · England · Trading
    34. Promanex (Civil & Industrial Services) Limited 100% · England · Dissolved August 2025
    35. Promanex (Construction & Maintenance Services) Limited 100% · England · Dissolved August 2025
    36. Promanex (Total FM & Environmental Services) Limited 100% · England · Dormant
    37. Sunland Mining Corporation (FI) 100% · Finland · Dormant
    38. Westminster Plant Co. Limited 100% · England · Dissolved August 2025

Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers

People

8 active · 68 resigned

Name Role Appointed Born Nationality
GEOGHEGAN, Nicole Ann Secretary 2022-07-05 — —
BARKHAM, Fiona Margaret Director 2022-04-06 May 1963 British
FISHER, Amanda Lucia Director 2023-12-01 Nov 1963 British
MOGFORD, Steven Lewis Director 2023-11-01 Jun 1956 British
QUINLAN, Anthony James Director 2021-02-01 Jul 1965 British
ROCK, Kate Harriet Alexandra, Baroness Director 2022-11-01 Oct 1968 British
VAUGHAN, Alexander John Director 2019-05-07 Dec 1969 British
WILLIS, Helen Margaret Director 2020-11-30 Jan 1964 British
Show 68 resigned officers
Name Role Appointed Resigned
FRANKS, Clive Leonard Secretary 1996-10-31 2011-05-31
HARRIS, Sharon Secretary 2020-09-01 2022-07-05
LANGHAM, Geoffrey Secretary — 1993-05-31
NICOLL, Peter Secretary 1993-06-01 1996-10-31
STARKEY, Paul Michael Secretary 2012-09-03 2013-05-20
WOOD, Tracey Alison Secretary 2011-06-01 2020-09-01
ABDUL MANAFF, Abdul Rashid Director 1997-04-08 1999-02-09
ABU BAKAR, Abdul Aziz Director 1996-07-04 1996-12-31
ALEXANDER, Michael Richard Director 2007-07-25 2014-03-31
ALLVEY, David Philip Director 2001-11-01 2016-05-05
ARMITT, John Alexander Director 1997-04-09 2001-06-30
AZMAN, Firdaus Bin Shafii, Dr Director 1996-07-04 1997-04-04
BALLARD, Frederick William Director 2001-01-09 2008-05-07
BARBER, Nicholas Charles Faithorn Director — 1993-12-31
BECKETT, Michael Ernest Director 2001-02-16 2001-05-24
BENSON, Christopher John, Sir Director 1993-05-11 1996-12-31
BICKERSTAFF, Anthony Oliver Director 2006-06-05 2020-11-30
BIN OMAR, Abdul Wahid Director 2002-01-21 2004-07-16
BIN SALLEH, Baharin Director 1996-09-23 1997-04-04
BRYANT, John Martin Director 2002-02-01 2012-12-31
BURTON, Peter Director 1996-07-04 2001-11-01
CAMPBELL, John Richmond Director 1996-01-16 2000-06-02
COSTAIN, Peter John Director — 1997-10-10
CROCKETT, Samuel Neil Director 2021-10-06 2023-10-31
DASS, George Anthony David Director 1997-06-04 2000-09-28
DE ROJAS, Jacqueline Director 2017-11-20 2023-10-31
DOUGHTY, Stuart John Director 2001-07-01 2005-09-12
EKDAHL, Lennart Mikael Director 1997-11-07 1999-08-25
GENDI, Bishoy Emad Azmy Director 2020-06-19 2024-03-31
GERRETSEN, Wolbert Director — 1995-09-26
GOLBY, Paul, Dr Director 2016-05-05 2022-12-01
HAMID, Mohd Hussein Ab Director 2004-12-17 2009-12-04
HAMPSON, Christopher Director — 1995-12-31
HEISER, Terence Michael, Sir Director 1994-02-01 1996-07-15
HILL, Peter John Director — 1996-07-31
HOW, Wei Thing Director 1996-09-23 1997-04-04
HUSSAIN, Shamsuddin Director 1996-09-23 1996-12-31
JAAFAR, Bin Abdul Hamid, Dato Director 1997-04-08 2000-09-28
JEFFERIES, David George Director 2001-06-06 2007-12-31
KARLSSON, Anders Carl Ingvar Director 1998-08-28 2000-11-09
LANA, Aminuddin Yusof Director 2000-03-21 2004-06-30
LODGE, Jane Director 2012-08-01 2021-05-06
LOVELL, Alan Charles Director 1993-03-11 1997-04-08
MAY, George Victor Director 1995-09-27 1996-07-31
MCCOLE, Charles Joseph Director 2002-03-25 2006-06-04
MCMANUS, David Director 2014-05-12 2020-06-19
MCWILLIAMS, Francis, Sir Director 1995-09-27 1996-07-31
MOHAMAD, Ramli Bin Director 2000-09-28 2001-12-11
MOHAMMED, Hussein Bin Abdul Hamid Director 1996-07-04 1997-10-10
MORLEY, James Director 2008-01-09 2018-05-08
PARKER, Thomas Howard Director — 1994-09-09
QUIRKE, Michael John Director 1995-09-27 1996-07-31
ROBERTS, Miles William Director 2000-06-02 2001-12-31
ROGERS, Leslie Anne Welch Director 2001-01-09 2004-07-15
SAMY, Ahmed Aly Director 2013-11-30 2015-09-10
SAWDY, Peter Bryan Director — 1993-06-09
SCHELE, Staffan Bertil Director 1999-08-25 2000-11-09
SENIN, Ahmad Pardas Director 2004-07-16 2007-01-25
SHEHATA, Saad Youssef Director 1997-11-07 2009-06-23
SHIKH SAID, Abdul Aiz Director 1996-07-04 1996-10-15
SPERRY, William Director 1995-09-27 1996-07-31
SULAIMAN, Mohd Azman Director 2004-06-30 2008-05-07
VASILIOU, Basil Kim Director 1997-11-07 2002-05-24
WAKELING, Richard Keith Arthur Director — 1996-11-22
WOOD, Alison Jane Director 2014-02-01 2022-01-28
WYLLIE, Andrew Director 2005-09-12 2019-05-07
YOUNIS, Samer Ghalib Director 2009-06-23 2013-11-30
YUSLI, Mohamed Yusoff Director 1998-09-22 2000-03-21

Ownership

Persons with significant control

No persons with significant control on record.

Filing timeline

Last 20 of 791 total filings

Date Type Category Description
2026-05-31 AA accounts Accounts with accounts type group
2026-05-28 SH01 capital Capital allotment shares PDF
2026-05-18 SH06 capital Capital cancellation shares
2026-05-18 SH06 capital Capital cancellation shares
2026-05-18 SH06 capital Capital cancellation shares
2026-05-18 SH06 capital Capital cancellation shares
2026-05-18 SH03 capital Capital return purchase own shares
2026-05-18 SH03 capital Capital return purchase own shares
2026-05-18 SH03 capital Capital return purchase own shares
2026-05-18 SH03 capital Capital return purchase own shares
2026-05-18 SH03 capital Capital return purchase own shares
2026-04-24 SH06 capital Capital cancellation shares
2026-04-24 SH06 capital Capital cancellation shares
2026-04-24 SH03 capital Capital return purchase own shares
2026-04-24 SH03 capital Capital return purchase own shares
2026-04-15 SH01 capital Capital allotment shares PDF
2026-03-20 SH01 capital Capital allotment shares PDF
2026-02-23 CS01 confirmation-statement Confirmation statement with no updates PDF
2025-09-29 SH06 capital Capital cancellation shares
2025-09-29 SH03 capital Capital return purchase own shares

Public-record activity

Raw counts from Companies House — last 12–24 months

Filings
20

last 12 months

Capital events
18

last 24 months

Officers appointed
0

last 12 months

Officers resigned
0

last 12 months

Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.

Official Companies House page