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INNSA members are committed to providing the highest possible level of service to both commercial and domestic customers.

Whatever your requirement, whether it’s to do with Japanese Knotweed, Giant Hogweed, Himalayan Balsam or any other invasive non-native species we have a member who will be able to help.

In this section you can browse our members or use the keyword search to identify experts dealing with your specific enquiry, location and type of job.

There’s also a comprehensive list of case studies provided by our members demonstrating the collective capabilities and experience within our membership.

There’s also a list of Invasive Non-Native Species and a link through to the current INNS list as kept by DEFRA.