Costain Group PLC (COST) - Cash Flow Conversion Efficiency

Latest as of December 2025: 0.247x

Based on the latest financial reports, Costain Group PLC (COST) has a cash flow conversion efficiency ratio of 0.247x as of December 2025. Cash flow conversion efficiency measures how effectively a company's net assets (equity) generate operating cash flow. It is calculated by dividing operating cash flow (GBX63.80 Million ≈ $7.76K USD) by net assets (GBX258.20 Million ≈ $31.42K USD). A higher ratio indicates that the company is more efficient at using its equity to generate cash flow from its core operations. See Costain Group PLC balance sheet quality to measure how much of total assets are equity-financed.

Costain Group PLC - Cash Flow Conversion Efficiency Trend (1991–2025)

This chart illustrates how Costain Group PLC's cash flow conversion efficiency has evolved over time, based on yearly financial data. Check Costain Group PLC cash flow quality index to evaluate the quality of earnings relative to operating cash generation.

Costain Group PLC Competitors by Cash Flow Conversion Efficiency

The table below lists competitors of Costain Group PLC ranked by their cash flow conversion efficiency.

Company	Cash Flow Conversion Efficiency
Tapaco Public Company Limited BK:TAPAC	0.056x
FD Technologies Plc LSE:FDP	0.086x
NYRSTAR F:3NY1	N/A
JLEN Environmental Assets Group Ltd LSE:JLEN	-0.004x
Elanor Investors Group AU:ENN	-0.139x
Marvel Biosciences Corp V:MRVL	0.049x
Edgewater Wireless Systems Inc V:YFI	0.163x
Nrgene Technologies Ltd TA:NRGN	0.392x

Annual Cash Flow Conversion Efficiency for Costain Group PLC (1991–2025)

The table below shows the annual cash flow conversion efficiency of Costain Group PLC from 1991 to 2025. For the full company profile with market capitalisation and key ratios, see COST market cap.

Year	Net Assets	Operating Cash Flow	Cash Flow Conversion Efficiency	Change
2025-12-31	GBX258.20 Million ≈ $31.42K	GBX51.30 Million ≈ $6.24K	0.199x	+9.67%
2024-12-31	GBX235.70 Million ≈ $28.68K	GBX42.70 Million ≈ $5.20K	0.181x	-28.64%
2023-12-31	GBX219.40 Million ≈ $26.69K	GBX55.70 Million ≈ $6.78K	0.254x	+280.27%
2022-12-31	GBX211.20 Million ≈ $25.70K	GBX14.10 Million ≈ $1.72K	0.067x	-54.96%
2021-12-31	GBX199.00 Million ≈ $24.21K	GBX29.50 Million ≈ $3.59K	0.148x	+149.57%
2020-12-31	GBX156.50 Million ≈ $19.04K	GBX-46.80 Million ≈ $-5.69K	-0.299x	-46.46%
2019-12-31	GBX157.70 Million ≈ $19.19K	GBX-32.20 Million ≈ $-3.92K	-0.204x	+22.61%
2018-12-31	GBX182.30 Million ≈ $22.18K	GBX-48.10 Million ≈ $-5.85K	-0.264x	-178.75%
2017-12-31	GBX154.00 Million ≈ $18.74K	GBX51.60 Million ≈ $6.28K	0.335x	-50.26%
2016-12-31	GBX99.60 Million ≈ $12.12K	GBX67.10 Million ≈ $8.16K	0.674x	+417.50%
2015-12-31	GBX120.60 Million ≈ $14.67K	GBX15.70 Million ≈ $1.91K	0.130x	-64.47%
2014-12-31	GBX110.80 Million ≈ $13.48K	GBX40.60 Million ≈ $4.94K	0.366x	+144.69%
2013-12-31	GBX43.30 Million ≈ $5.27K	GBX-35.50 Million ≈ $-4.32K	-0.820x	-12.86%
2012-12-31	GBX31.80 Million ≈ $3.87K	GBX-23.10 Million ≈ $-2.81K	-0.726x	-167.80%
2011-12-31	GBX30.80 Million ≈ $3.75K	GBX33.00 Million ≈ $4.02K	1.071x	+31.22%
2010-12-31	GBX37.60 Million ≈ $4.57K	GBX30.70 Million ≈ $3.74K	0.816x	-81.20%
2009-12-31	GBX-3.80 Million ≈ $-462.35	GBX-16.50 Million ≈ $-2.01K	4.342x	+545.55%
2008-12-31	GBX33.60 Million ≈ $4.09K	GBX22.60 Million ≈ $2.75K	0.673x	-5.49%
2007-12-31	GBX27.40 Million ≈ $3.33K	GBX19.50 Million ≈ $2.37K	0.712x	+118.25%
2006-12-31	GBX-55.20 Million ≈ $-6.72K	GBX-18.00 Million ≈ $-2.19K	0.326x	+148.91%
2005-12-31	GBX-22.50 Million ≈ $-2.74K	GBX15.00 Million ≈ $1.83K	-0.667x	-563.54%
2004-12-31	GBX-44.50 Million ≈ $-5.41K	GBX-6.40 Million ≈ $-778.69	0.144x	+159.87%
2003-12-31	GBX17.90 Million ≈ $2.18K	GBX-4.30 Million ≈ $-523.19	-0.240x	-113.10%
2002-12-31	GBX3.00 Million ≈ $365.01	GBX5.50 Million ≈ $669.19	1.833x	-63.67%
2001-12-31	GBX4.30 Million ≈ $523.19	GBX21.70 Million ≈ $2.64K	5.047x	+1128.30%
2000-12-31	GBX25.80 Million ≈ $3.14K	GBX10.60 Million ≈ $1.29K	0.411x	+313.50%
1999-12-31	GBX29.10 Million ≈ $3.54K	GBX-5.60 Million ≈ $-681.36	-0.192x	+81.72%
1998-12-31	GBX18.90 Million ≈ $2.30K	GBX-19.90 Million ≈ $-2.42K	-1.053x	-196.32%
1997-12-31	GBX19.70 Million ≈ $2.40K	GBX-7.00 Million ≈ $-851.70	-0.355x	-126.69%
1996-12-31	GBX-16.00 Million ≈ $-1.95K	GBX-21.30 Million ≈ $-2.59K	1.331x	+190.80%
1995-12-31	GBX-30.80 Million ≈ $-3.75K	GBX-14.10 Million ≈ $-1.72K	0.458x	+2550.39%
1994-12-31	GBX101.70 Million ≈ $12.37K	GBX-1.90 Million ≈ $-231.18	-0.019x	+29.04%
1993-12-31	GBX227.90 Million ≈ $27.73K	GBX-6.00 Million ≈ $-730.03	-0.026x	-105.91%
1992-12-31	GBX75.00 Million ≈ $9.13K	GBX33.40 Million ≈ $4.06K	0.445x	+2137.19%
1991-12-31	GBX276.30 Million ≈ $33.62K	GBX5.50 Million ≈ $669.19	0.020x	--

About Costain Group PLC

LSE:COST UK Engineering & Construction

Market Cap

$6.93 Million

GBX56.95 Billion GBX

Market Cap Rank

#27896 Global

#416 in UK

Share Price

GBX214.00

Change (1 day)

+1.18%

52-Week Range

GBX125.40 - GBX218.00

All Time High

GBX447.15