Herbicide treatment and physical removal of Japanese knotweed. Professional treatment plans typically run over 3-5 years to ensure complete eradication and prevent regrowth.
99 specialists
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.
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.
The UK's longest established Japanese knotweed removal company, founded in 2002 by Mike Clough. Provides tailored strategies using proprietary JK Connect monitoring technology and MeshTech removal, with 10-year insurance-backed warranties nationwide.
PCA-registered Japanese knotweed specialists providing bespoke treatment and removal management plans for residential and commercial sectors nationwide. CSJK-certified surveyors deliver solutions recognised by all major banks and mortgage lenders.
The UK's longest-established Japanese Knotweed removal company, founded in 1996 with over 30 years of specialist experience. Provides nationwide identification, treatment, and long-term control of Japanese Knotweed, Bamboo, and other invasive plants.
Nationwide Japanese knotweed specialists trading as TP Knotweed Solutions. PCA-approved with rapid 24-hour survey capability and 10-year insurance-backed guarantees. Rated 5.0 on Trustpilot with hundreds of reviews.
Specialist vegetation management company with over 35 years' experience, providing cost-effective and environmentally responsible weed control from 7 regional bases across the UK. PCA members offering insurance-backed guarantees for invasive weed control.
Nationally recognised specialist in Japanese knotweed assessment, management, and legal reporting. Provides surveys, management plans, Part 35 expert witness reports, CPD training, and treatment across the UK.
PCA-certified invasive weed control specialist.
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.
UK leading ecological specialist contractor with over 25 years' experience. Services include forestry, fencing, ecology, invasive weed solutions, newt fencing, and landscaping for Rail, Utilities, Construction, and Civil Infrastructure sectors. PCA members offering insurance-backed guarantees.
Trusted family-run Japanese knotweed specialist offering nationwide coverage for surveys, removal, treatment, management plans, disposal, and insurance-backed guarantees.
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.
Specialist Japanese knotweed removal and site preparation company offering commercial and residential knotweed services across the UK, with offices in Swindon and Swansea.
PCA-qualified Japanese knotweed specialist serving the North West including Chester, Wrexham, Crewe, Warrington, and the Wirral. Offers free identification, certified surveys, treatment, and 10-year insurance-backed guarantees.
PCA member and TrustMark registered specialist providing Japanese knotweed surveys, management plans, herbicide treatment, and insurance-backed guarantees. Based at Wood Lane Countryside Centre in Sheffield.
PCA-certified invasive weed control specialist.
Family-run site enablement contractor based in Wiltshire offering invasive weed solutions, site clearance, tree works, ecology, and landscaping with over 50 years of combined experience.
UK's leading weed control service with national coverage and local expertise, offering specialist invasive weed control including Japanese knotweed removal. BASIS and NPTC certified with ISO 9001 and ISO 14001 accreditation.
Nationwide family-run landscape contractor established in 1983, based in Doncaster, offering commercial landscaping, tree surgery, vegetation clearance, and groundworks.
Multidisciplinary environmental consultancy providing ecological, arboriculture, landscape, and habitat management services including invasive species management. Part of the RSK Group.
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.
The UK's longest established Japanese knotweed removal company, founded in 2002 by Mike Clough. Provides tailored strategies using proprietary JK Connect monitoring technology and MeshTech removal, with 10-year insurance-backed warranties nationwide.
PCA-certified invasive weed control specialist.
PCA-qualified specialist in the identification, treatment, and remediation of Japanese knotweed throughout Wales. Over 10 years' experience offering surveys, management plans, herbicide treatment, stem injection, and insurance-backed guarantees.
Environmental services company offering arboriculture, ecology, environmental management, forestry, grounds and estates management, and landscaping, including invasive species survey and control.
Family-run PCA-accredited specialist providing certified Japanese knotweed removal across South Wales since 2014. Offers 5 and 10-year insurance-backed guarantees underwritten by QANW, with flexible 0% APR payment options.
Nationwide Japanese knotweed specialists trading as TP Knotweed Solutions. PCA-approved with rapid 24-hour survey capability and 10-year insurance-backed guarantees. Rated 5.0 on Trustpilot with hundreds of reviews.
PCA-certified invasive weed control specialist.
PCA-certified invasive weed control specialist.
Specialist vegetation management company with over 35 years' experience, providing cost-effective and environmentally responsible weed control from 7 regional bases across the UK. PCA members offering insurance-backed guarantees for invasive weed control.
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.
Family-run site enablement contractor based in Wiltshire offering invasive weed solutions, site clearance, tree works, ecology, and landscaping with over 50 years of combined experience.
Nationwide family-run landscape contractor established in 1983, based in Doncaster, offering commercial landscaping, tree surgery, vegetation clearance, and groundworks.
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.
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.
One of the longest-established Japanese knotweed removal specialists in Wales with over 20 years' experience. Provides professional invasive weed control surveys and treatments across South Wales and South West England.
The UK's longest established Japanese knotweed removal company, founded in 2002 by Mike Clough. Provides tailored strategies using proprietary JK Connect monitoring technology and MeshTech removal, with 10-year insurance-backed warranties nationwide.
PCA-certified invasive weed control specialist.
PCA-accredited specialist in Japanese knotweed and invasive plant identification, control, and removal. CSJK-qualified Managing Director leads the team, offering free site surveys within 48 hours and 10-year insurance-backed guarantees nationwide from offices in Leeds and Rickmansworth.
PCA-certified invasive weed control specialist.
PCA-certified invasive weed control specialist.
Family-run PCA-accredited specialist providing certified Japanese knotweed removal across South Wales since 2014. Offers 5 and 10-year insurance-backed guarantees underwritten by QANW, with flexible 0% APR payment options.
Nationwide Japanese knotweed specialists trading as TP Knotweed Solutions. PCA-approved with rapid 24-hour survey capability and 10-year insurance-backed guarantees. Rated 5.0 on Trustpilot with hundreds of reviews.
PCA-certified invasive weed control specialist.
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.
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.
Now operating as Ebsford Environmental, providing client-focused solutions for aquatic restoration, vegetation management, and blue-green infrastructure, including Japanese knotweed identification, screening, and removal.
The UK's leading specialist in invasive plant removal, established in 1996 and 100% employee-owned. Over 7,500 projects completed across England and Wales using eco-innovative, zero waste-to-landfill solutions. Work underwritten by an AA-rated insurer.
PCA-certified invasive weed control specialist.
PCA-certified invasive weed control specialist.
Award-winning, family-run Japanese knotweed specialist established in 2011. Provides PCA-accredited surveys, RICS-compliant mortgage reports, and professional treatment across the South West.
PCA-certified invasive weed control specialist.
PCA-certified invasive weed control specialist.
PCA-certified invasive weed control specialist.
Japanese Knotweed Management Company providing professional invasive plant control and removal services across Northern Ireland and the Republic of Ireland. Specialist team delivers expert surveys, treatment programmes, and long-term management plans.
Japanese knotweed removal company and consultancy regulated by RICS (Royal Institution of Chartered Surveyors), with full PCA accreditation. Based in London with satellite offices in Bristol and Cardiff.
Nationwide family-run landscape contractor established in 1983, based in Doncaster, offering commercial landscaping, tree surgery, vegetation clearance, and groundworks.
Trusted knotweed specialist with 15+ years' experience serving London and the M25 area. PCA and TrustMark accredited, providing certified treatments backed by 10-year insurance guarantees.
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.
Rail and forestry contractor with over 20 years' experience, offering environmental services including invasive species management as part of broader arboricultural and environmental work.
Award-winning, family-run Japanese knotweed specialist based in Llanelli with over 20 years' experience. Led by CSJK-certified surveyor Phil Davies, serving South and West Wales. Winner of South Wales and Carmarthen Business Awards.
Japanese knotweed specialists providing fast, reliable surveys and management plans with insurance-backed guarantees, serving London, Surrey, Kent, Essex, and West Sussex.
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.
Family-run site enablement contractor based in Wiltshire offering invasive weed solutions, site clearance, tree works, ecology, and landscaping with over 50 years of combined experience.
Nationwide family-run landscape contractor established in 1983, based in Doncaster, offering commercial landscaping, tree surgery, vegetation clearance, and groundworks.
Japanese knotweed specialists with over 20 years' experience in identifying, controlling, and removing knotweed from residential and commercial properties across the South of England.
Nationwide family-run landscape contractor established in 1983, based in Doncaster, offering commercial landscaping, tree surgery, vegetation clearance, and groundworks.
Multidisciplinary environmental consultancy providing ecological, arboriculture, landscape, and habitat management services including invasive species management. Part of the RSK Group.
The UK's longest established Japanese knotweed removal company, founded in 2002 by Mike Clough. Provides tailored strategies using proprietary JK Connect monitoring technology and MeshTech removal, with 10-year insurance-backed warranties nationwide.
PCA-certified invasive weed control specialist.
Award-winning, family-run Japanese knotweed specialist established in 2011. Provides PCA-accredited surveys, RICS-compliant mortgage reports, and professional treatment across the South West.
UK's leading weed control service with national coverage and local expertise, offering specialist invasive weed control including Japanese knotweed removal. BASIS and NPTC certified with ISO 9001 and ISO 14001 accreditation.
UK's leading weed control service with national coverage and local expertise, offering specialist invasive weed control including Japanese knotweed removal. BASIS and NPTC certified with ISO 9001 and ISO 14001 accreditation.
Prestigious arboricultural and green waste recycling company founded in 1984, providing professional tree care and Japanese knotweed services throughout East Anglia, London, and the Home Counties.
Environmental services company offering arboriculture, ecology, environmental management, forestry, grounds and estates management, and landscaping, including invasive species survey and control.
Nationwide Japanese knotweed specialists trading as TP Knotweed Solutions. PCA-approved with rapid 24-hour survey capability and 10-year insurance-backed guarantees. Rated 5.0 on Trustpilot with hundreds of reviews.
Leading amenity and industrial spray contractor established since 2000, offering invasive weed control including herbicide management and excavation, with 5 or 10-year insurance-backed guarantees.
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.
Award-winning, family-run Japanese knotweed specialist established in 2011. Provides PCA-accredited surveys, RICS-compliant mortgage reports, and professional treatment across the South West.
UK's leading weed control service with national coverage and local expertise, offering specialist invasive weed control including Japanese knotweed removal. BASIS and NPTC certified with ISO 9001 and ISO 14001 accreditation.
UK's leading weed control service with national coverage and local expertise, offering specialist invasive weed control including Japanese knotweed removal. BASIS and NPTC certified with ISO 9001 and ISO 14001 accreditation.
UK's leading weed control service with national coverage and local expertise, offering specialist invasive weed control including Japanese knotweed removal. BASIS and NPTC certified with ISO 9001 and ISO 14001 accreditation.
UK's leading weed control service with national coverage and local expertise, offering specialist invasive weed control including Japanese knotweed removal. BASIS and NPTC certified with ISO 9001 and ISO 14001 accreditation.
Award-winning, family-run Japanese knotweed specialist established in 2011. Provides PCA-accredited surveys, RICS-compliant mortgage reports, and professional treatment across the South West.
UK's leading weed control service with national coverage and local expertise, offering specialist invasive weed control including Japanese knotweed removal. BASIS and NPTC certified with ISO 9001 and ISO 14001 accreditation.
Employee-owned specialist contaminated land and remediation contractor based in Glasgow. In-house invasive weeds team treats Japanese knotweed, Giant Hogweed, and Himalayan Balsam across Scotland, offering 10-year insurance-backed guarantees.
Family-run Japanese knotweed specialist founded in 2006, operating nationwide throughout the UK. Provides surveys, management plans, herbicide treatment, stem injection, and excavation with 10-year insurance-backed guarantees.
The UK's leading specialist in invasive plant removal, established in 1996 and 100% employee-owned. Over 7,500 projects completed across England and Wales using eco-innovative, zero waste-to-landfill solutions. Work underwritten by an AA-rated insurer.
Employee-owned specialist contaminated land and remediation contractor based in Glasgow. In-house invasive weeds team treats Japanese knotweed, Giant Hogweed, and Himalayan Balsam across Scotland, offering 10-year insurance-backed guarantees.
Professional Japanese knotweed identification, treatment, and removal specialists serving homeowners, commercial property managers, developers, and public sector organisations across Scotland.
Japanese Knotweed Management Company providing professional invasive plant control and removal services across Northern Ireland and the Republic of Ireland. Specialist team delivers expert surveys, treatment programmes, and long-term management plans.
Environmental and waste solutions company providing land remediation, contaminated water treatment, and invasive plant eradication services.
UK's leading weed control service with national coverage and local expertise, offering specialist invasive weed control including Japanese knotweed removal. BASIS and NPTC certified with ISO 9001 and ISO 14001 accreditation.
PCA-certified invasive weed control specialist.
One of Northern Ireland's leading outdoor services providers with over 25 years of industry experience, managing and maintaining commercial and public sector properties including invasive weed control.
PCA-certified invasive weed control specialist.
27 March 2026
A month-by-month guide to what happens after Japanese knotweed herbicide treatment begins — from the first spray to the final insurance-backed guarantee.
14 March 2026
A practical breakdown of Japanese knotweed survey, treatment, and removal costs in the UK for 2026. Covers herbicide plans, excavation, insurance-backed guarantees, and what affects your quote.
14 March 2026
What to look for when hiring a Japanese knotweed specialist in the UK, from PCA membership and CSJK qualifications to insurance-backed guarantees and red flags to avoid.
Knotweed Directory