A joint venture between Veolia, Costain and MWH

Who we are

The 4Delivery Joint Venture (JV) has enabled the strengths of three industry-leading partners to combine their expertise in delivering capital investment projects for Southern Water Services over three consecutive Asset Management Plan (AMP) periods since 2005.

Our Business

A fully integrated and incorporated JV, 4D has provided the full range of services comprising the asset management lifecycle to its primary client, Southern Water Services.

Our business can broadly be split into four key elements: Two consecutive programmes of work – AMP4 and AMP5, and two discrete major projects – Cleaner Seas for Sussex and the Woolston Redevelopment Scheme.

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470 projects and £1.35 billion of capital expenditure delivered

24 million hours worked

Every single project output delivered on or ahead of time

A safety record more than twice as good as the UK construction average

90% employee engagement across our teams

Awards & Endorsements

4D understands the importance of recognition for ourselves, our employees and our clients through established industry awards and endorsements.

RoSPA President's Award (10 consecutive Golds) for OH&S 

Considerate Constructors Scheme
4 Gold, 10 Silver and 13 Bronze Awards over the last 10 years

British Construction Industry Awards
Major Civil Engineering Project of the Year >£50m (2013)