RES Environmental Ltd

RES Environmental Ltd, located in the UK, specializes in urban drainage and environmental consultancy, providing innovative solutions for stormwater management and flood risk assessment to various clients. Founded in 2003 in Sheffield, UK, RES Environmental Ltd focuses on urban drainage and environmental consultancy. The company has successfully engaged in a project, with its most recent deal occurring on July 16, 2025, when Aqua Consultants Ltd acquired RES Environmental Ltd. Financial terms of the acquisition were not disclosed.

RES Environmental specializes in urban drainage and environmental consultancy, offering services such as urban drainage modeling, integrated catchment modeling, GIS and data management, and flood risk and development planning. Their core products cater to stormwater management, flood risk assessment, and drainage design, serving over 50 clients, including significant entities in the UK water industry. Additionally, they develop custom software solutions to enhance project efficiency, ensuring compliance with relevant regulations within the water and environmental sectors. The revenue model of RES Environmental is based on project-based income from consulting services provided to clients in the water industry, including public sector entities and private developers.

Engagements typically occur on a B2B basis, with structures around specific projects. They may operate on a retainer basis or through fixed-price contracts, with pricing reflecting the bespoke nature of their consultancy work, including hydraulic modeling and flood risk assessments. Following the acquisition by Aqua Consultants Ltd in July 2025, RES Environmental Ltd aims to enhance its service offerings and strengthen market presence in hydraulic modeling. The acquisition will support these initiatives, facilitating expansion into new markets and geographic regions as per Aqua Consultants' strategic objectives.