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Richard Allitt Associates is a leading specialist provider of hydraulic modelling, flood risk management and surface water management.    Highly regarded in the industry for using state of the art hydraulic modelling techniques, the company has grown into a successful SME operating nationally with two offices and over 20 employees.  We have a long track record in the provision of flood risk consultancy services including hydraulic modelling, catchment planning, hydrology, engineering, surface water and drainage assessments in a range of sectors including private, local authority and the legal profession.
24

Years in business

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212

Clients across multiple sectors

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215

Expert Witness Cases

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Some of our clients

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Latest News

Richard Allitt presents at CIWEM Integrated Urban Drainage Modelling Guide launch at virtual Flood and Coast 2021

We are delighted to announce that the updated Integrated Urban Drainage Modelling Guide has now been published and can be downloaded here  After a project jointly led by CIWEM and the Environment Agency,  the guide was delivered by a collaborative team led by Richard Allitt Associates Ltd, with support from […]

RAA becomes CIWEM Business Partner

  We are pleased to announce that we have officially become a CIWEM Business Partner. Terry Fuller, CIWEM Chief Executive said: ‘Richard Allitt Associates have provided industry-leading support of CIWEM over many years including the technical work of our Urban Drainage Group and our schools education programmes. RAA are also[…..]

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