Mott MacDonald joins acquisition trail with purchase of jv partner Bentley

Mott MacDonald joined the ranks of acquisitive consultants this week with the purchase of its long-standing UK water industry design and build joint venture partner Bentley Holdings.

The price of the deal was not disclosed. 

Mott MacDonald, said the purchase was “a natural progression in the highly successful 15 year partnership between the companies through the joint venture Mott MacDonald Bentley”. 

“The delivery model we have forged with our water industry clients continues to help them maximise value for their operations and their stakeholders"  Keith Howells

Bentley employs over 700 people with a turnover of £120M. According to Mott MacDonald, over 80% of Bentley’s business is derived through joint venture with Motts which was set up 1999 to combine design, programme management, site investigation and construction.

Since then the joint venrture has worked across the water sector and now has extended appointments as AMP6 delivery partner for Yorkshire Water, Severn Trent Water, Anglian Water, United Utilities and Welsh Water.

“We are immensely pleased to welcome Bentley into the Group as a natural next step for our partnership,” said Mott MacDonald chairman Keith Howells. “The delivery model we have forged with our water industry clients continues to help them maximise value for their operations and their stakeholders – now we’re looking forward to using our collective ingenuity to achieve ever greater benefits across the triple bottom line of social, economic and environmental value.

Paul Bentley, managing director of JN Bentley added: “Joining Mott MacDonald will benefit our clients and also offers fantastic opportunities for the employees of both companies. The longstanding success of the joint venture is because we share the same culture and principles. Becoming part of the Mott MacDonald Group will allow us to develop further to meet the challenges we face and ensure we continue to deliver a first class service for all our new and existing clients.”


Mott MacDonald and Bentley’s recent project s include:

  • Euclid Creek Storage Tunnel, US – we are prime consultant and designer on the US$200M project that will protect Lake Erie by preventing combined sewer overflows.
  • Tsuen Wan new town stormwater tunnels, Hong Kong – safeguarding communities against flash floods.
  • River axe flood risk modelling, UK – investigating flood risk to critical infrastructure and communities in the River Axe catchment area and propose solutions to improve resilience.
  • Kusile water treatment plant, South Africa – we’re leading engineering, procurement and construction of world- leading water treatment facilities for a giant new 4.8GW power station.
  • Cleaner seas for Sussex, UK – engineering consultant for this 15 year, £300M environmental scheme which was named Major Civil Engineering Project of the Year at the 2013 British Construction Industry Awards.
  • Niagara tunnel, Canada – providing concept design and construction management on a project to supply more water from the Niagara River to an upgraded hydroelectric station.
  • Mumbai IV water supply and sewerage systems, India – we are delivering India’s largest ever water transmission and treatment system, and designing wastewater collection and treatment for the 75% of the population (9.2M people) currently unconnected.
  • Covenham to Boston transfer pipeline, UK – we designed and supervised construction of a 60km long, 27Ml/day capacity water supply system needed to assure resilience and meet future needs.
  • Nara canal, Pakistan – we designed and supervised construction for the rehabilitation of the vast Nara Canal, to improve the irrigation infrastructure serving 52,000sq km of farmland in Sindh province.



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