The Top 100 construction companies league table ranks the UK's 100 biggest construction companies by turnover and profit. The table is compiled every September.
| Rank by | Company Name | Turnover | Pre-tax Profit | |
|---|---|---|---|---|
| Turnover | Profit | |||
| 1 | 1 | Balfour Beatty | 7,488.0 | 157.0 |
| 2 | 5 | Carillion | 3,951.7 | 94.4 |
| 3 | 7 | Laing O'Rourke | 3,603.1 | 81.2 |
| 4 | 13 | Kier | 2,374.2 | 63.4 |
| 5 | 17 | Morgan Sindall | 2,114.6 | 57.6 |
| 6 | 18 | Newarthill (Sir Robert McAlpine) | 1,850.1 | 45.9 |
| 7 | 15 | Galliford Try | 1,831.9 | 60.3 |
| 8 | 10 | Interserve | 1,738.0 | 69.3 |
| 9 | 11 | BAM (Construction & Nuttall) | 1,637.8 | 67.9 |
| 10 | 6 | Babcock | 1,555.9 | 84.6 |
| 11 | 12 | Mitie | 1,407.2 | 67.9 |
| 12 | 3 | Amey UK | 1,371.5 | 103.0 |
| 13 | 86 | Bovis Lend Lease | 1,342.6 | 2.2 |
| 14 | 8 | Miller | 1,309.2 | 81.2 |
| 15 | 22 | Skanska | 1,308.8 | 38.0 |
| 16 | 21 | Vinci/Ringway | 1,178.3 | 41.9 |
| 17 | 41 | ISG | 1,090.1 | 12.6 |
| 18 | 23 | Wates | 974.0 | 37.7 |
| 19 | 2 | Keller | 955.1 | 103.2 |
| 20 | 28 | Rok | 950.1 | 28.3 |
| 21 | 33 | Costain | 877.9 | 19.8 |
| 22 | 19 | Enterprise | 847.0 | 45.3 |
| 23 | 25 | Bowmer & Kirkland | 832.9 | 36.6 |
| 24 | 29 | Shepherd | 717.5 | 22.9 |
| 25 | 27 | Eaga plc | 639.0 | 28.4 |
| 26 | 91 | Volker Wessels UK | 585.4 | 1.2 |
| 27 | 14 | Keepmoat | 558.8 | 61.7 |
| 28 | 9 | Homeserve | 554.9 | 71.8 |
| 29 | 30 | Connaught | 552.9 | 21.7 |
| 30 | 46 | Mace | 546.5 | 10.8 |
| 31 | 60 | NG Bailey | 524.9 | 8.0 |
| 32 | 31 | Morrison Utility Services | 492.6 | 20.1 |
| 33 | 16 | J Murphy | 476.0 | 59.6 |
| 34 | 36 | May Gurney | 437.0 | 17.0 |
| 35 | 56 | Dalkia | 428.3 | 8.8 |
| 36 | 49 | Willmott Dixon | 413.4 | 10.1 |
| 37 | 26 | Southern Electric Contracting | 404.1 | 33.8 |
| 38 | 24 | Lagan | 400.0 | 37.0 |
| 39 | 64 | Renew Holdings | 390.6 | 6.7 |
| 40 | 100 | Emcor | 378.7 | -5.6 |
| 41 | 39 | Morrison Facilities Services | 323.0 | 13.1 |
| 42 | 77 | Jarvis | 321.9 | 4.5 |
| 43 | 34 | RG Carter | 318.0 | 17.2 |
| 44 | 51 | Byrne Group | 317.3 | 9.5 |
| 45 | 42 | Styles & Wood | 315.5 | 11.8 |
| 46 | 35 | Spice plc | 312.2 | 17.1 |
| 47 | 38 | Mears | 304.6 | 15.5 |
| 48 | 98 | Geoffrey Osborne | 303.7 | -1.8 |
| 49 | 20 | Severfield Rowan | 300.7 | 43.0 |
| 50 | 73 | Ardmore | 299.0 | 5.0 |
| 51 | 4 | Bechtel | 291.3 | 96.3 |
| 52 | 44 | Seddon | 279.1 | 11.5 |
| 53 | 52 | J B Leadbitter | 263.8 | 9.2 |
| 54 | 67 | Ogilvie Group | 258.3 | 5.7 |
| 55 | 37 | Bouygues/Colas | 245.2 | 15.9 |
| 56 | 57 | Sisk | 242.5 | 8.2 |
| 57 | 99 | Brookfield (formerly Multiplex) | 240.6 | -3.1 |
| 58 | 75 | Barr Holdings | 239.1 | 4.8 |
| 59 | 74 | Clancy | 235.7 | 4.9 |
| 60 | 94 | Higgins | 217.8 | 0.6 |
| 61 | 48 | Rotary | 216.8 | 10.1 |
| 62 | 53 | Carey Group | 213.2 | 9.1 |
| 63 | 84 | North Midland Construction | 211.6 | 3.1 |
| 64 | 65 | Midas | 210.1 | 5.9 |
| 65 | 81 | RG Group | 210.1 | 3.6 |
| 66 | 95 | GB Building Solutions | 207.2 | 0.1 |
| 67 | 63 | McLaughlin & Harvey | 207.1 | 7.2 |
| 68 | 61 | Lorne Stewart | 206.1 | 7.8 |
| 69 | 47 | GSH Group | 200.4 | 10.3 |
| 70 | 87 | Thomas Vale | 195.1 | 2.2 |
| 71 | 97 | Brett Group | 194.9 | -1.5 |
| 72 | 58 | T Clarke | 193.8 | 8.2 |
| 73 | 72 | Patton Group | 190.5 | 5.3 |
| 74 | 54 | Simons Group | 188.1 | 9.1 |
| 75 | 43 | Headcrown | 187.6 | 11.8 |
| 76 | 50 | William Hare | 181.6 | 9.9 |
| 77 | 93 | Haymills | 181.2 | 0.9 |
| 78 | 82 | Daniel Contractors | 180.9 | 3.4 |
| 79 | 69 | Tolent | 180.0 | 5.5 |
| 80 | 45 | Imtech | 179.1 | 11.3 |
| 81 | 96 | Mabey | 177.3 | -0.2 |
| 82 | 32 | Rydon Group | 168.8 | 20.0 |
| 83 | 78 | McNicholas Construction | 168.0 | 4.2 |
| 84 | 90 | Doyle plc | 168.0 | 1.6 |
| 85 | 85 | Staveley Engineering Services | 165.8 | 2.3 |
| 86 | 68 | Robertson Group | 164.7 | 5.7 |
| 87 | 83 | Eric Wright Group | 164.3 | 3.2 |
| 88 | 89 | Old House Group | 152.8 | 1.7 |
| 89 | 40 | John Graham (Dromore) | 148.3 | 12.9 |
| 90 | 80 | Integral UK | 147.5 | 3.8 |
| 91 | 79 | Barhale | 147.4 | 3.9 |
| 92 | 59 | PC Harrington | 147.0 | 8.0 |
| 93 | 62 | Forth Holdings | 145.9 | 7.5 |
| 94 | 55 | Apollo | 142.7 | 8.9 |
| 95 | 88 | Longcross Group | 139.2 | 1.9 |
| 96 | 76 | Ards Holdings | 137.3 | 4.6 |
| 97 | 71 | J Reddington | 137.2 | 5.4 |
| 98 | 92 | Durkan | 135.4 | 1.1 |
| 99 | 70 | McLaren Construction | 133.8 | 5.4 |
| 100 | 66 | Rowecord | 132.0 | 5.9 |