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Overall, the top 10 construction companies in Wales won £815 million-worth of work in the last 12 months according to Glenigan data.

The top 10 construction companies in Wales league table ranks the top 10 best performing contractors by the total value of projects won over the past 12 months and identifies the number of projects each contractor was awarded.

The table reflects activity in Clwyd, Dyfed, Gwent, Gwynedd, Mid Glamorgan, Powys, South Glamorgan and West Glamorgan.

This league table, together with our other regional league tables, are regularly updated, so check back again to see which construction companies in Wales are winning the most work.

Regions
Counties & Cities
Position Contractor Number of projects Value of projects (£m)
Live Projects
1
BioConstruct NewEnergy 1 282 See all projects
2
Andrew Scott 19 161.4 See all projects
3
Morgan Sindall 7 144.485 See all projects
4
Graham Construction 1 100 See all projects
5
Willmott Dixon 3 99.324 See all projects
6
Kier 6 91.098 See all projects
7
John Paul Construction 1 88.21 See all projects
8
C.Wynne & Sons 8 80.636 See all projects
9
Core Highways 1 78 See all projects
10
Jones Brothers 5 57.393 See all projects
No Companies Found
Source: Glenigan | Last modified January 2023

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