The Invasive Non-Native Specialists Association (INNSA)

The Invasive Non-Native Specialists Association (INNSA) is the industry body for companies involved in controlling and eradicating invasive non-native species in the UK.

INNSA aims to improve standards within the industry and offer peace of mind to clients.

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.

INNSA is proud to provide clear information for our members and their clients about invasive non-native species and their treatment.

INNSA is a membership organisation, and we welcome new members from within the invasive species removal industry, as well as consultants and suppliers to the trade.

Review our protocol and complete the online application form now or request further information from

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