Invasive Weeds Agency Limited (IWA) specialise in invasive weed management and ecology. Founded in 2007, by father and son, Nigel and Graham Rudd, IWA has successfully eradicated Japanese knotweed, Giant hogweed, and other invasives on many sites across the UK including the new Forth Crossing Project and London’s Crossrail Project. IWA’'s domestic projects have helped their clients to sell properties or secure finances by removing the threat of invasive weeds and supplying the documentation needed to meet lender's requirements. IWA meets the highest industry standards as a qualified member of the BASIS Advanced Contractors Certification Scheme (BACCS), Amenity Assured, and steering committee member of the trade body the Invasive Non-Native Specialists Association (INNSA). IWA has attained ISO:9001 quality management & ISO:14001 environmental management standards. IWA are regular contributors to the Royal Institution of Chartered Surveyors (RICS) CPD circuit, keeping surveyors abreast of changes to Japanese knotweed management and legislation.