Company profiles - ARM

Rugeley, Staffordshire, United Kingdom

ARM Ltd is the leading designer and constructor of natural waste water treatment systems and associated technologies for the industrial and municipal waste water treatment market in the UK. The Company is noted for its invention and subsequent commercial development of equipment and processes within its chosen markets.
ARM Ltd has been trading since 1947 and was originally involved in the development, design, manufacture, and construction of Agricultural Equipment. However, in the late 1980s ARM Ltd redefined its objectives and moved its customer and product bases into the global market of wastewater treatment specialising in the use of reed bed/wetland systems. Today the Company operates out of offices in Rugeley, Staffordshire, UK employing 19 people, using Associates and sub-contractors as required and turning over £3million/annum. We have ISO 9001-2000 and ISO 14001 accreditation and UVDB Verify Certification and are a founder member of the Constructed Wetland Association. 
As the largest dedicated UK Company by far in this specialised field and with a reputation dating back to 1947, ARM brings you unique expertise and experience. We can support you at every stage of a project’s life from initial planning and design through construction and commissioning to ongoing maintenance; providing a turnkey solution and ensuring the lifelong optimum performance of your natural wastewater treatment solution.


As well as turnkey solutions we offer comprehensive bespoke consultancy services for specific project elements including;
asset assessment
feasibility studies
pilot scale treatment investigations
novel applications
technical design
project management
construction supervision
ongoing maintenance

Research and development

Underpinning our comprehensive range of client services is our continuous programme of product and application development. This work is reported regularly by ARM Ltd staff and associates in presentation papers on the international wetland conference circuit and in academic and industry specific publications. We continue to pioneer new and innovative ideas. Recent developments include:
Aggregate washing and recycling to reduce landfill and material refurbishment costs.
The use of Forced Bed Aeration (FBATM) to raise performance capability and consistency.
The development of a plough to retrofit FBATM airlines into existing reed beds.
Expansion of our asset management and refurbishment services.


Staff at ARM Ltd have a wide ranging skill base being drawn from a variety of backgrounds including engineering, biotechnology, environmental management, geology, design, project management and waste management. Their experience also crosses both the academic and commercial sectors culminating in widespread in-house experience and expertise specialising in the water industry.

Client Base

Our client base is extensive both in terms of the range of applications and the size of the installations. ARM Ltd have designed and constructed systems ranging from 10m2 to 2 hectares with flows between a few to several thousand cubic metres per day within the following industrial sectors:

engineering – Manufacture
chemical – Manufacturing
food and Drink

In total we have installed more than 400 reed bed systems providing treatment for a wide range of different effluent sources including: 

domestic sewage
municipal sewage
industrial process Water
industrial wastewater
surface water run off
mine water drainage. 

ARM Ltd. Rydal House, Colton Road
Rugeley, Staffordshire, WS15 3HF, United Kingdom

t. +44 (0) 1889 583811  //    f. +44 (0) 1889 584998  //  m. +44 (0) 7967 557202
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