Japanese Knotweed

Invasive Weed Solutions Limited (IWSL) is a UK company specialising solely in the treatment of invasive plant species. It helps commercial and residential clients, including landowners and managers, address weed problems on development sites, public spaces, commercial land and waterways. Its services cover a wide range of plants, including Japanese knotweed, giant hogweed, Himalayan balsam, ragwort, horsetail, rhododendron, buddleja and invasive aquatic species.

The company’s process begins with weed identification, using client photographs or a full site survey. IWSL then provides treatment options tailored to the site and its requirements. Experienced teams carry out the work in line with the latest Code of Practice, followed by ongoing monitoring programmes. The company also offers maintenance services and states that it provides 10-year insurance-backed guarantees. Its website lists more than 20 years of experience and a 100% removal success rate. Clients can request a commercial removal quote or contact the team for advice, identification support and a free quote.