Conservation Land Services Ltd

Professional Japanese knotweed treatment and removal specialists with offices across England and Wales. Offers 10-year insurance-backed guarantees for both commercial and residential clients.

Independent nationwide knotweed specialist led by a PCA Certificated Surveyor and Chair of the PCA Invasive Weeds Group. Provides Japanese knotweed control, bamboo treatment, and ten-year insurance-backed guarantees.

PCA-accredited Japanese knotweed specialists founded in 2007, with nearly two decades treating thousands of sites. Developed the proprietary IVM 'FAST' System herbicide treatment approach with nationwide coverage from offices in Birmingham, Cambridgeshire, and Oxfordshire.

Market-leading environmental engineering consultant and contractor based in Gloucester, working on challenging brownfield and blue/green infrastructure programmes across the UK for almost twenty years.

Established in 1995, PBA Solutions was the first invasive weed control company to achieve PCA accreditation. PCA Contractor of the Year 2019, offering Japanese knotweed surveys, treatment, mortgage-compliant solutions, and 10-year insurance-backed guarantees.