10 Year Knotweed Management Plan with an Insurance Backed Guarantee. Immediate solution from a nationwide PCA company.


Japanese Knotweed Ltd

Our top clients include

Travis Perkins
Linden Homes
Bargate Homes
Taylor Wimpy
East Lindsey District Council


Property Care Association
Builder's Profile
The Contractors Health and Safety Assessment Scheme
Railway Industry Supplier Qualification Scheme (RISQS)
SMAS Worksafe
Supply Chain Sustainability School
Amenity Standard Japanese Knotweed Ltd
Amenity Assured
Living Wage Foundation

Japanese Knotweed Ltd

Japanese Knotweed Ltd is a private limited company, founded in 2010. Currently, we employ over 50 staff including field operating surveyors, managed via 3 offices situated in London, Southampton, and Manchester.

We work throughout England, Wales and Scotland for construction companies, developers, facilities management, housing associations, local authorities, property maintenance and private property owners. Japanese Knotweed Ltd is a ‘safety first’ contractor, holding a range of safety SSIP and industry-related accreditations.

In 2021 our staff delivered:

  • Over 12,000 herbicide visits
  • 150 excavation projects
  • For commercial clients and private individuals
  • Projects from £500 to £1.5m
  • Annual turnover of £4m

Our specialist services control or eradicate Japanese knotweed and other invasive weeds such as Giant hogweed, Himalayan balsam, other native common weeds such as Horsetail, and invasive aquatic plants. Thousands of homeowners and commercial clients across the UK turn to us as their go-to experts in the field of proven invasive weed management.

SURVEY A site survey enables us to recommend the right programme for you. This may be one of our excavation methods for immediate removal or a Herbicide Treatment Plan (HTP), for longer-term control.

TREATMENT & REMOVAL We provide herbicide treatment programmes, invasive weed excavations, and removal services.

GUARANTEE All our works are covered by a company guarantee, we can also provide an Insurance Backed Guarantee.

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