Costain Infrastructure
Illustrative profileInfrastructure
Costain is a leading UK smart infrastructure solutions company, helping to improve the country's road, rail, water, energy and defence networks. Combining consultancy, digital technology and complex delivery, Costain shapes, creates and cares for major infrastructure programmes across the UK.
Guides & resources
Inside SIC 71111: UK Architecture's Record Year That Most Practices Missed
Key findings from the Construct365 Sector Intelligence Report on SIC 71111 — architectural activities: an ~£8.6bn profession where chartered-practice revenue jumped 24% to a record £5bn while firms of 1–4 staff stood still, 78% of practices earn 13% of the money, fee scales are banned by competition law, and the institute's own free calculator settles the product-fit question.
Read guideInside SIC 71122: The UK's Consulting Engineers, From Giants to Sole Practices
Key findings from the Construct365 Sector Intelligence Report on SIC 71122 — engineering-related technical consulting: an £80.5bn group headline over a ~32,800-firm subclass, a barbell of global giants and micro-consultancies, fee bidding the profession itself calls a free-for-all, and the first conditional 'maybe' this series has given a pricing product.
Read guideInside SIC 43120: The £3bn UK Site Preparation & Groundworks Code
Key findings from the Construct365 Sector Intelligence Report on SIC 43120 — site preparation: a ~£3.0bn code of 3,114 firms that shrinks while its revenue grows, a 32× data trap on the obvious search result, margins halving in the filed accounts, a pre-pack that left 180 creditors with five pence in the pound — and the product-fit question that rules our own app out.
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