Who are
Japanese Knotweed Expert?

At Japanese Knotweed Expert Limited, we have over 25 years of experience in eradicating Japanese knotweed for both private and commercial clients. Our team is highly skilled, ensuring effective and reliable results, delivering mortgage approved reports within 48 hours. We pride ourselves on maintaining the highest standards of integrity and professionalism, offering 100% success in our treatments.

 

We are committed to providing eco-friendly solutions that are safe for the environment yet highly effective. Trusted by thousands of satisfied customers, we have built a reputation for excellence and reliability. As a PCA-approved company, all of our Japanese Knotweed Management Plans are offered with a 10-year company guarantee and a 10-year insurance-backed guarantee!

Why Choose Japanese Knotweed Expert?

We pride ourselves on the high quality service that we provide and offer our clients three key promises.

Japanese Knotweed Expert

A professional service delivered with expert knowledge – Our team have over 25 years of experience working with Japanese knotweed. We also have the qualifications needed to provide our clients with a professional service. Our surveyors are Certified Surveyors of Japanese knotweed (CSJK) and can provide our clients with the answers to any questions they may have.

Fantastic customer service – We provide our customers with the best experience possible when working with us. By answering your phone calls within 2 rings and your emails on a 24/7 basis, we provide you with the peace of mind you need when dealing with this invasive weed.

about us

Individually tailored solutions – Every case of Japanese knotweed will be different. This can be due to the location of the site, the size or surrounding areas. We will work closely with you to put together an individually tailored management plan that will be most suited to your situation.

Meet The Team

jason harker managing director

Jason Harker

Managing Director

With 30 years of experience in the industry, Jason has gained a wealth of knowledge and expertise. As our Managing Director, he is well-equipped to advise clients on the best courses of action. Jason was one of the first in the UK to be qualified to the highest level in remediating Japanese Knotweed. Outside of work, Jason enjoys unwinding with his wife and two sons.

emma candlin director

Emma Candlin

Operations Manager

As Head of Operations, Emma plays a key role in ensuring everything within the company runs smoothly. She’s responsible for overseeing day-to-day operations and identifying new opportunities for growth and improvement. With her strategic mindset and attention to detail, Emma helps streamline processes and drive efficiency across the organisation. Outside of work, Emma enjoys spending quality time with her family, socialising with friends, and catching the latest films at the cinema.

Rebecca Derbyshire

Rebecca Derbyshire

Design & Marketing Manager

Rebecca leads our marketing and design efforts, creating impactful web and graphic designs while managing brand strategy and promotional campaigns. Her blend of creativity and strategy makes her an invaluable team member. Outside of work Rebecca loves to travel and spending time with her family.

Annette Lucas

Business Development

Annette’s role is to drive growth by identifying new business opportunities and pitching our services to potential clients. She’s also dedicated to building and nurturing strong relationships with both new and existing contacts, ensuring lasting partnerships that contribute to the success of the company. Annette’s passion for connecting with people and her strategic approach to business development are key to expanding our client base and sustaining long-term success.

Emma Hughes

Client Manager

As Client Manager for Japanese Knotweed, Emma provides expert guidance and support, helping clients navigate the challenges of identifying and managing infestations. From initial assessment to treatment plans and ongoing monitoring, Emma ensures a seamless and effective process. Their knowledge and dedication make them a trusted point of contact for clients seeking solutions for invasive species control.

Julie Harker

Accounts

Julie is a dedicated and detail-oriented professional who plays a vital role in managing our accounts. With a sharp analytical mind and a passion for numbers, she ensures that financial records are accurate, budgets are maintained, and reports are meticulously prepared. Her expertise in accounting helps keep our financial operations running smoothly, making her an essential part of the team. When she’s not crunching numbers, Julie loves spending quality time with her two sons and playing with her energetic dog, Domino.

Viktoriia Kalinina

Accounts Assistant

Originally from Ukraine, she holds a master’s degree in law and has a background as a notary assistant, where she worked with complex documents that demanded meticulous attention to detail and accuracy. These skills have been invaluable in her current role, where precision is key in managing our financial records. Outside of work, Viktoriia has a passion for baking and enjoys jigsaw puzzles. Since arriving in the UK, she has discovered a new creative hobby—attending pottery classes.

Holly Silvester

Personal Assistant

Holly is the Personal Assistant to the Managing Director, providing essential support to ensure smooth daily operations. She manages schedules, coordinates meetings, and handles key administrative tasks with efficiency and discretion. Holly’s organization and attention to detail help keep everything running seamlessly, making her an invaluable part of the team.

Japanese Knotweed Expert is one of only a handful of companies in the UK that is an accredited member of the PCA. Our surveyors are also PCA certified surveyors of Japanese knotweed (CSJK) which allows us to provide management plans that are accepted by mortgage companies. The Property Care Association requires all of its members to adhere to strict requirements, which ensures that our customer receive a professional, reliable service.

Our team also have the necessary NPTC qualifications that allow us to treat invasive weeds.

These include:

  • PA1 –                    Pesticides Application Foundation Unit
  • PA6 –                   Hand Held Applicator
  • PA6AW –             Water Applicator

Japanese Knotweed Expert have a number of ISO accreditations. These ensure not only the correct processes are in place but also that we engage in the latest best practice methods. Our ISO accreditations:

  • We have ISO 9001 : 2015 certified –                               Quality Management System
  • ISO 14001 : 2015 certified –                             Environmental Management System
  • ISO 45001: 2021 certified –                              Occupational Health and Safety Systems

Japanese Knotweed Expert meets all the requirements of RICS, local authorities and mortgage lenders. Japanese Knotweed Expert Ltd is proudly represented by our parent company Planterra Ltd. The Planterra group provides a range of services within the land development industry. Including, landscape schemes and strategies, the removal of Japanese Knotweed and other invasive weeds and Part 35 Compliant Expert Witness reports. 

Report provided within 48 hours

Book your site survey today