White Rock Property Care 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.

The UK's leading independent Japanese knotweed advisor and the PCA's first approved independent surveyor. Provides specialist expertise and project management for the cost-effective identification and removal of invasive species.

Multi-disciplinary environmental and ecological consultancy headquartered in Brighton. PCA Contractor of the Year 2025, offering Japanese knotweed identification, surveys, and removal alongside environmental consulting services.

Nationwide family-run landscape contractor established in 1983, based in Doncaster, offering commercial landscaping, tree surgery, vegetation clearance, and groundworks.