Top 100 Construction Companies 2026
The Construction Index Top 100 league table ranks the UK’s 100 biggest construction companies by turnover and profit.
Data compiled by Company Watch.
| Latest Rank By Turnover | Latest Rank By Profit | Company | Reporting Period | Latest Turnover (£m) | Previous Turnover (£m) | Change (%) | Latest Pre-tax Profit (£m) | Previous Pre-tax Profit (£m) | Latest Margin | Previous Margin |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1 | BALFOUR BEATTY | Dec-25 | 9,489.0 | 8,234.0 | 15.2 | 323.0 | 214.0 | 3.40 | 2.60 |
| 2 | 2 | MORGAN SINDALL GROUP | Dec-25 | 5,018.6 | 4,546.2 | 10.4 | 231.8 | 171.9 | 4.62 | 3.78 |
| 3 | 9 | KIER GROUP | Dec-25 | 4,024.4 | 4,077.1 | -1.3 | 65.2 | 78.1 | 1.62 | 1.92 |
| 4 | 10 | MACE | Dec-24 | 2,788.7 | 2,356.8 | 18.3 | 65.0 | 85.4 | 2.33 | 3.62 |
| 5 | 81 | WATES GROUP | Dec-24 | 2,296.3 | 2,101.9 | 9.2 | 2.6 | 44.9 | 0.11 | 2.14 |
| 6 | 11 | VINCI CONSTRUCTION HOLDING | Dec-24 | 2,277.0 | 2,126.0 | 7.1 | 64.0 | -6.0 | 2.81 | -0.28 |
| 7 | 100 | RSK GROUP | Apr-25 | 2,241.8 | 1,857.5 | 20.7 | -124.5 | -132.0 | -5.55 | -7.11 |
| 8 | 92 | LAING O'ROURKE | Mar-25 | 2,164.3 | 2,394.5 | -9.6 | -6.9 | -19.3 | -0.32 | -0.81 |
| 9 | 15 | TARMAC TRADING | Dec-24 | 1,909.8 | 2,006.9 | -4.8 | 51.8 | 168.1 | 2.71 | 8.38 |
| 10 | 3 | AMEY UK | Dec-24 | 1,876.8 | 1,836.2 | 2.2 | 126.7 | 97.0 | 6.75 | 5.28 |
| 11 | 17 | GALLIFORD TRY HOLDINGS | Dec-25 | 1,869.8 | 1,875.2 | -0.3 | 48.6 | 44.1 | 2.60 | 2.35 |
| 12 | 19 | VOLKERWESSELS UK | Dec-24 | 1,491.4 | 1,433.1 | 4.1 | 48.1 | 38.6 | 3.22 | 2.70 |
| 13 | 13 | BAM NUTTALL | Dec-25 | 1,476.0 | 1,361.5 | 8.4 | 57.8 | 91.2 | 3.92 | 6.70 |
| 14 | 99 | M GROUP 1 | Mar-25 | 1,378.7 | N/a | N/a | -40.1 | N/a | -2.91 | N/a |
| 15 | 6 | BOWMER AND KIRKLAND | Aug-25 | 1,372.6 | 1,290.9 | 6.3 | 76.4 | 68.7 | 5.57 | 5.32 |
| 16 | 8 | SKANSKA UK | Dec-25 | 1,366.4 | 1,270.1 | 7.6 | 71.4 | 77.8 | 5.22 | 6.13 |
| 17 | 5 | J MURPHY & SONS | Dec-24 | 1,258.0 | 1,383.8 | -9.1 | 83.9 | 66.8 | 6.67 | 4.83 |
| 18 | 16 | RENEW HOLDINGS | Mar-26 | 1,148.6 | 1,080.9 | 6.3 | 50.9 | 56.7 | 4.43 | 5.24 |
| 19 | 36 | MCLAREN CONSTRUCTION GROUP | Jul-25 | 1,118.9 | 924.0 | 21.1 | 21.0 | 11.9 | 1.88 | 1.28 |
| 20 | 23 | WILLMOTT DIXON HOLDINGS | Dec-25 | 1,113.2 | 1,156.5 | -3.7 | 31.8 | 46.8 | 2.86 | 4.05 |
| 21 | 4 | HILL HOLDINGS | Mar-25 | 1,065.2 | 806.6 | 32.1 | 90.5 | 56.0 | 8.50 | 6.95 |
| 22 | 31 | JOHN GRAHAM HOLDINGS | Mar-25 | 1,055.9 | 1,124.7 | -6.1 | 25.2 | 14.8 | 2.39 | 1.31 |
| 23 | 18 | COSTAIN GROUP | Dec-25 | 1,045.7 | 1,251.1 | -16.4 | 48.2 | 36.5 | 4.61 | 2.92 |
| 24 | 22 | WINVIC GROUP | Jan-25 | 1,017.2 | 958.8 | 6.1 | 32.2 | 18.9 | 3.17 | 1.97 |
| 25 | 29 | BAM CONSTRUCT & VENTURES UK | Dec-25 | 993.3 | 923.7 | 7.5 | 25.9 | 3.9 | 2.60 | 0.42 |
| 26 | 55 | MULTIPLEX CONSTRUCTION EUROPE | Dec-25 | 972.8 | 780.0 | 24.7 | 9.8 | 19.6 | 1.00 | 2.51 |
| 27 | 43 | SIR ROBERT MCALPINE | Oct-25 | 945.7 | 940.1 | 0.6 | 15.7 | 10.4 | 1.66 | 1.10 |
| 28 | 12 | OCU GROUP | Apr-25 | 886.5 | 610.6 | 45.2 | 58.4 | 43.8 | 6.58 | 7.18 |
| 29 | 42 | TCLARKE CONTRACTING | Mar-25 | 846.7 | 491.0 | 72.4 | 16.3 | 15.6 | 1.92 | 3.17 |
| 30 | 37 | ROBERTSON GROUP (HOLDINGS) | Jun-25 | 792.9 | 824.9 | -3.9 | 20.2 | -9.7 | 2.55 | -1.18 |
| 31 | 95 | EQUANS REGENERATION | Dec-24 | 783.1 | 907.7 | -13.7 | -28.9 | -38.9 | -3.70 | -4.29 |
| 32 | 28 | NG BAILEY GROUP | Feb-26 | 706.7 | 661.7 | 6.8 | 26.0 | 17.7 | 3.68 | 2.67 |
| 33 | 62 | DALKIA GROUP | Dec-25 | 656.6 | 609.0 | 7.8 | 8.2 | 0.3 | 1.25 | 0.05 |
| 34 | 34 | MCALEER & RUSHE CONTRACTS UK | Dec-25 | 627.7 | 491.5 | 27.7 | 22.0 | 16.0 | 3.51 | 3.26 |
| 35 | 94 | KELTBRAY GROUP* | Oct-24 | 624.5 | 689.0 | -9.4 | -8.1 | -1.2 | -1.30 | -0.17 |
| 36 | 21 | F M CONWAY 2 | Mar-25 | 608.3 | 579.8 | 4.9 | 33.0 | 29.4 | 5.42 | 5.07 |
| 37 | 97 | JRL GROUP HOLDINGS | Apr-25 | 588.5 | 826.1 | -28.8 | -36.6 | -35.7 | -6.22 | -4.32 |
| 38 | 52 | TILBURY DOUGLAS CONSTRUCTION | Dec-25 | 581.0 | 518.6 | 12.0 | 10.7 | 8.2 | 1.84 | 1.59 |
| 39 | 84 | CADDICK GROUP | Aug-25 | 538.9 | 603.6 | -10.7 | 1.4 | 28.8 | 0.26 | 4.77 |
| 40 | 27 | TSL | Dec-24 | 526.6 | 296.7 | 77.5 | 26.7 | 9.9 | 5.07 | 3.34 |
| 41 | 39 | JN BENTLEY | Dec-24 | 510.2 | 388.3 | 31.4 | 18.8 | 13.5 | 3.68 | 3.49 |
| 42 | 38 | MV KELLY | May-25 | 504.0 | 385.2 | 30.8 | 19.8 | 11.8 | 3.93 | 3.07 |
| 43 | 32 | FERROVIAL CONSTRUCTION (UK) | Dec-25 | 498.4 | 531.5 | -6.2 | 25.1 | 14.1 | 5.03 | 2.66 |
| 44 | 14 | FP MCCANN GROUP | Dec-25 | 485.6 | 415.3 | 16.9 | 57.2 | 46.1 | 11.78 | 11.09 |
| 45 | 61 | OGILVIE GROUP | Jun-25 | 479.8 | 460.9 | 4.1 | 8.6 | 20.9 | 1.78 | 4.54 |
| 46 | 98 | SEVERFIELD | Mar-26 | 454.3 | 450.9 | 0.7 | -39.9 | -17.5 | -8.78 | -3.88 |
| 47 | 80 | MCLAUGHLIN & HARVEY | Jun-25 | 437.3 | 664.3 | -34.2 | 2.8 | 5.0 | 0.65 | 0.75 |
| 48 | 58 | STRUCTURETONE INTERNATIONAL | Dec-24 | 434.8 | 284.6 | 52.7 | 9.2 | 4.7 | 2.11 | 1.65 |
| 49 | 25 | CLANCY GROUP HOLDINGS | Mar-25 | 429.6 | 378.5 | 13.5 | 28.0 | 20.9 | 6.51 | 5.52 |
| Latest Rank By Turnover | Latest Rank By Profit | Company | Reporting Period | Latest Turnover (£m) | Previous Turnover (£m) | Change (%) | Latest Pre-tax Profit (£m) | Previous Pre-tax Profit (£m) | Latest Margin | Previous Margin |
|---|---|---|---|---|---|---|---|---|---|---|
| 50 | 24 | WILLIAM HARE GROUP | Dec-24 | 422.5 | 315.5 | 33.9 | 31.4 | 5.8 | 7.43 | 1.83 |
| 51 | 7 | BOVIS CONSTRUCTION (EUROPE) | Mar-25 | 387.5 | 471.0 | -17.7 | 75.1 | -16.4 | 19.38 | -3.49 |
| 52 | 44 | HG CONSTRUCTION | Dec-25 | 386.7 | 386.8 | -0.0 | 14.9 | 9.5 | 3.84 | 2.46 |
| 53 | 78 | FARRANS 3 | Dec-24 | 382.4 | 512.5 | -25.4 | 3.3 | 8.2 | 0.87 | 1.60 |
| 54 | 96 | BOUYGUES (UK) | Dec-24 | 375.6 | 325.6 | 15.4 | -32.3 | -62.1 | -8.61 | -19.07 |
| 55 | 35 | OHOB HOLDINGS | Mar-25 | 369.3 | 313.0 | 18.0 | 21.8 | 21.1 | 5.92 | 6.73 |
| 56 | 79 | AUREOS INFRASTRUCTURE SERVICES* | Oct-25 | 366.5 | 320.0 | 14.5 | 3.2 | 3.4 | 0.88 | 1.05 |
| 57 | 76 | GLENCAR CONSTRUCTION | Sep-25 | 359.2 | 400.3 | -10.3 | 4.0 | 4.7 | 1.11 | 1.18 |
| 58 | 45 | BW WORKPLACE EXPERTS | Dec-25 | 326.7 | 244.0 | 33.9 | 14.1 | 5.8 | 4.30 | 2.37 |
| 59 | 60 | OCTAVIUS INFRASTRUCTURE | Mar-25 | 322.9 | 276.7 | 16.7 | 8.6 | 4.7 | 2.67 | 1.69 |
| 60 | 20 | AXIS EUROPE | Mar-25 | 318.2 | 249.5 | 27.5 | 34.0 | 27.5 | 10.67 | 11.01 |
| 61 | 26 | HW MARTIN HOLDINGS | Jul-25 | 315.6 | 267.2 | 18.1 | 27.3 | 32.5 | 8.63 | 12.15 |
| 62 | 71 | RGCM | Dec-24 | 313.0 | 198.1 | 58.0 | 4.6 | 1.9 | 1.46 | 0.98 |
| 63 | 77 | ARAGLIN HOLDINGS | Sep-25 | 303.2 | 389.7 | -22.2 | 4.0 | 6.5 | 1.30 | 1.68 |
| 64 | 85 | HIGGINS GROUP | Jul-25 | 298.9 | 195.0 | 53.3 | 1.1 | 0.3 | 0.35 | 0.14 |
| 65 | 53 | PHOENIX ME | Sep-24 | 295.3 | 170.2 | 73.5 | 10.7 | 7.4 | 3.61 | 4.35 |
| 66 | 46 | ERIC WRIGHT GROUP | Dec-24 | 291.8 | 232.3 | 25.6 | 13.6 | 5.9 | 4.67 | 2.52 |
| 67 | 64 | ERITH HOLDINGS | Sep-25 | 285.0 | 255.5 | 11.6 | 8.0 | 8.4 | 2.82 | 3.29 |
| 68 | 56 | RENAKER BUILD | Oct-25 | 280.3 | 265.4 | 5.6 | 9.7 | 6.3 | 3.45 | 2.37 |
| 69 | 68 | ESH HOLDINGS | Dec-24 | 265.2 | 260.6 | 1.8 | 5.0 | 3.1 | 1.90 | 1.19 |
| 70 | 89 | COLAS | Dec-24 | 258.2 | 267.6 | -3.5 | -1.5 | -15.3 | -0.56 | -5.72 |
| 71 | 66 | DODD GROUP HOLDINGS | Mar-25 | 254.9 | 249.4 | 2.2 | 7.5 | 6.3 | 2.93 | 2.52 |
| 72 | 65 | DOMIS CONSTRUCTION | Apr-25 | 253.4 | 162.6 | 55.8 | 7.6 | 6.5 | 2.98 | 3.99 |
| 73 | 51 | STATOM HOLDINGS | Nov-25 | 252.8 | 180.0 | 40.5 | 10.8 | 10.3 | 4.28 | 5.74 |
| 74 | 49 | RG CARTER HOLDINGS 4 | Dec-24 | 248.7 | N/a | N/a | 12.2 | N/a | 4.90 | N/a |
| 75 | 74 | GRATTE BROTHERS GROUP | Mar-25 | 242.5 | 262.2 | -7.5 | 4.4 | 1.9 | 1.82 | 0.73 |
| 76 | 57 | STORY CONTRACTING HOLDINGS | Mar-25 | 241.8 | 274.8 | -12.0 | 9.3 | 7.9 | 3.83 | 2.89 |
| 77 | 54 | BRIGGS & FORRESTER GROUP | Oct-25 | 241.7 | 271.6 | -11.0 | 9.8 | 4.6 | 4.05 | 1.69 |
| 78 | 67 | SDC (HOLDINGS) | Sep-25 | 238.0 | 247.7 | -3.9 | 7.0 | 5.4 | 2.93 | 2.18 |
| 79 | 70 | GILBERT-ASH | Dec-24 | 235.7 | 262.8 | -10.3 | 4.6 | 1.9 | 1.96 | 0.72 |
| 80 | 83 | GMI CONSTRUCTION GROUP | Sep-25 | 233.0 | 232.3 | 0.3 | 2.3 | 1.0 | 0.99 | 0.45 |
| 81 | 72 | EW BEARD | Dec-25 | 230.2 | 198.4 | 16.0 | 4.5 | 5.2 | 1.97 | 2.62 |
| 82 | 47 | BARHALE | Jun-25 | 227.7 | 169.4 | 34.4 | 13.4 | 9.0 | 5.88 | 5.31 |
| 83 | 40 | AVOVE | Dec-25 | 226.5 | 216.1 | 4.8 | 17.0 | 13.2 | 7.48 | 6.12 |
| 84 | 30 | CCG (SCOTLAND) | Mar-25 | 213.7 | 273.0 | -21.7 | 25.7 | 26.2 | 12.03 | 9.61 |
| 85 | 48 | LINDUM GROUP | Nov-25 | 209.3 | 198.8 | 5.3 | 13.2 | 10.3 | 6.30 | 5.20 |
| 86 | 50 | ONE GROUP CONSTRUCTION | Dec-24 | 203.2 | 166.8 | 21.8 | 12.0 | 5.5 | 5.89 | 3.32 |
| 87 | 88 | SHERRYGREEN | Mar-25 | 201.2 | 175.8 | 14.5 | -0.7 | 3.1 | -0.37 | 1.78 |
| 88 | 91 | WATKIN JONES | Mar-26 | 200.3 | 280.0 | -28.4 | -1.8 | -9.0 | -0.89 | -3.21 |
| 89 | 41 | JJ RHATIGAN & CO (UK) | Oct-25 | 195.1 | 154.4 | 26.3 | 16.9 | 9.7 | 8.66 | 6.30 |
| 90 | 90 | ENERVEO | Mar-25 | 194.7 | 218.4 | -10.9 | -1.7 | -1.7 | -0.87 | -0.78 |
| 91 | 93 | DURKAN HOLDINGS | Nov-24 | 191.9 | 171.7 | 11.7 | -7.5 | -3.9 | -3.89 | -2.26 |
| 92 | 33 | STANMORE CONTRACTORS | Mar-25 | 190.8 | 189.8 | 0.6 | 22.8 | 19.7 | 11.94 | 10.36 |
| 93 | 59 | BYRNE GROUP | Jun-25 | 190.2 | 170.6 | 11.5 | 8.9 | 7.4 | 4.67 | 4.33 |
| 94 | 63 | STRABAG UK | Dec-25 | 189.2 | 196.9 | -3.9 | 8.2 | -4.8 | 4.31 | -2.44 |
| 95 | 69 | MORRIS & SPOTTISWOOD | Dec-24 | 172.5 | 128.0 | 34.7 | 4.7 | 2.8 | 2.75 | 2.17 |
| 96 | 75 | RED CONSTRUCTION MAJOR PROJECTS | Mar-25 | 170.8 | 114.8 | 48.8 | 4.1 | 2.0 | 2.38 | 1.76 |
| 97 | 82 | NOVUS PROPERTY SOLUTIONS | Dec-25 | 167.4 | 191.8 | -12.7 | 2.6 | 3.4 | 1.56 | 1.76 |
| 98 | 86 | TORSION CONSTRUCTION | Jun-25 | 165.4 | 117.2 | 41.1 | 0.8 | 0.4 | 0.49 | 0.34 |
| 99 | 87 | CLEGG GROUP | Dec-24 | 162.4 | 159.3 | 2.0 | 0.5 | 0.6 | 0.32 | 0.35 |
| 100 | 73 | DOUGALL HOLDINGS | Aug-25 | 161.7 | 157.0 | 3.0 | 4.5 | 4.1 | 2.77 | 2.61 |
Data compiled by Company Watch.
Notes:
Results at Companies House by June 30th, 2026.
* In August 2024, Keltbray sold its infrastructure services division to EMK Capital and the business was rebranded as Aureos.
1 Latest available results at Companies House at 30/6/26 do not include comparable figures.
2 FM Conway was acquired by Vinci in January 2025.
3 Farrans was sold by its parent group CRH in November 2025 to Sisk.
4 Latest available results at Companies House at 30/6/26 do not include comparable figures.