The Invasive Non-Native Specialists Association is the industry body for companies involved in the control and eradication of invasive non-native species. Membership demonstrates a professional knowledge and understanding of invasive species and the methods by which they are best eradicated. Registration with INNSA provides members with a recognised accreditation backed up by a comprehensive insurance scheme.


INNSA supports its contractors with training, industry events and special offers from our preferred suppliers. For contractors, we also offer an insurance-backed guarantee scheme which offers five years’ peace of mind for all domestic customers.


INNSA offers membership for Contractors and Consultants working in the invasive species industry, as well as having an Affiliate membership made up of preferred suppliers, sponsors and anybody with an interest in the invasive species sector.


INNSA Members must meet a set list of criteria in order to demonstrate that they are experienced and qualified in working with invasive weeds. A full list of INNSA’s Membership Criteria can be obtained by contacting our team on [email protected] or 0800 1300 485.


In order to protect our members’ clients, INNSA members must adhere to a strict code of conduct; the Invasives Code, which covers works, aftercare and customer relations.


Prospective members can fill a contact form here or download our membership application forms.

Case Studies

River Douglas, Wigan

River Douglas, Wigan Treatment of large amounts of Japanese...
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Narvick Way, North Tyneside

Narvick Way, North Tyneside Excavation from construction area, with...
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Lanark Way, Belfast

Lanark Way, Belfast Site survey and treatment plan for...
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A44, Wolvercote

A44, Wolvercote Mechanical remediation strategy (via vacuum excavation) for...
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