Knotweed NI are under the new management of Greentown Environmental Ltd.

We are specialists in the treatment, and eradication of Japanese Knotweed. We offer a wide range of treatment plans and insurance backed supervisory service where required.  We currently provide Japanese Knotweed treatment to a number of councils including Kerry County Council, Donegal County Council, Galway County Council, Sligo County Council & Roscommon County Council.

To find out more information on our treatment plans and other Invasive & Noxious weeds please click here

Greentown Environmental Ltd. are environmental road maintenance providers and are the largest weed control provider in Ireland.We also specialise in Grounds Maintenance, Drainage Services and Winter Maintenance. Our client portfolio includes local authorities, central government departments and a range of corporate customers in city, urban and rural areas. 

Greentown Environmental are dedicated to providing a high level of customer service, and continue to maintain professional health & safety and environmental standards year on year.


To view our online brochure please click here


For more information on our sister companies please visit