DTMS Group have over 30 years’ experience in the delivery of weed control, vegetation clearance, landscaping, and fencing contracts throughout the North of England and beyond.

We are based in Nidderdale, an Area of Outstanding Natural Beauty in North Yorkshire, where we are very lucky to be surrounded by spectacular rural views. We are still only 20 minutes away from the A1 to the East, and 30 minutes from the Lancashire border to the West, and so we are ideally positioned to access the main highway routes and therefore facilitate our client’s requirements
across the country.

Our strength is our staff and the quality of our service. The DTMS Group team has extensive experience in the relevant activities we provide, as well as continually striving to improve through further training and development. We hold multiple accreditations to give our clients reassurance of a strong safety record, up to date knowledge of legislation and provision of robust project documentation.

Meet our team

  • Dan Lazenby

    Managing Director

    Dan has been with DTMS for over 21 years. Starting his carreer on the tools, Dan soon worked his way up the ranks to General Manager and now Managing DIrector. In his spare time, Dan manages his local youth football club as well as ejoying the occational kick around himself. A keen York City fan, Dan tries to attend as many matches as possible through the season.

  • James Carter

    Health and Safety Manager

    James has also been with DTMS for over 21 years. Starting on the tools, he has worked his way through all aspects of the business gaining a vast knowedge of all elements, on the ground and in the office. James is now responsible for Health and Safety, Quality and Environmental Standards, maintaining our ISO and SSIPs. In his spare time, James enjoys the outdoors, either walking with family and his dogs. He is also a amateur guitar player however cannot play many songs all the way through.

  • Pam Brown

    Office Manager

    Pam joined DTMS in 2009 as a Office Administrator. She worked her way up to Office Manager and now is the back bone to the office ensuring everything is organised and in order. In her spare time Pam enjoys spending time with her children and grand children. Pam is a keen scuba diver, recently attaining her PADI Divemaster Qualification and continuing to assist adults with disabilities in the pool environment in the local pool. She also enjoys expeditions to Belize in Central America to help with the Coral Reef Conservation Project Reef CI whilst also enjoying the underwater wildlife.

  • Nick Lazenby


    Nick joined DTMS in 2018 and is DTMS's estimator, however he still likes to get out on the tools occasionally and get his hands dirty. When he is not at work he spends his time with family and can usually be seen on the sidelines of his sons football pitch. Nick is a keen follower of sports especially football and cricket.

Our Accreditations

  • NQA

    NQA is part of NTS, the leading independent provider of environmental simulation testing, inspection and certification services in the USA. NTS serves a broad range of industries, including the civil aviation, space, defence, nuclear, telecommunications, industrial, electronics, medical and automotive markets.

  • NHSS Approved

    National Highways Sector Schemes are bespoke integrated management schemes within an ISO 9001:2000 framework. They have been developed in partnership with all sides of the highways industry to interpret the international quality management standard as it applies to a particular activity or industry within the United Kingdom.

  • BALI

    The British Association of Landscape Industries, is established to promote, support and inspire all professional landscapers, garden designers and landscape suppliers to be leaders of an environmentally, ethically, and commercially sustainable landscape industry.

  • CHAS

    CHAS aims to improve health and safety standards across Great Britain and reduce duplicated safety applications for both suppliers and buyers.

  • Achilles UVDB

    Utililities Vendor Database. Allows contractors to be able to engage with large public and private funded organisations. Registered under: Landscaping Services, Vegetation Management, Substation General Maintenance, Wayleave Services, Fencing Services, Traffic Management Services, Graffiti Removal and Protection Services.

  • Constructionline Gold

    Constructionline is a register for pre-qualified contractors and consultants used by the construction industry of the United Kingdom. The database contains details for over 46,000 suppliers and is accessed by more than 4,000 buyer organisations. Originally created as a Government department, for over 20 years we have been supporting thousands of businesses across the public and private sectors.

  • Amenity Assured Scheme

    The AMENITY ASSURED scheme was new in 2008 and the contractors in the scheme have been awarded contracts for more than 200 Local Authorities and for the 18,000 miles of Network Rail track. The scheme is supported and endorsed by the Chemical Registration Directorate, the Environment Agency, the Crop Protection Association and the Amenity Forum.


    The BASIS Advanced Contractor Certification Scheme (BACCS) - raise and maintain good practice standards in the amenity and industrial pesticide sectors.


    BASIS is an independent organisation set up at the suggestion of the UK Government in 1978 to establish and assess standards in the pesticide industry relating to storage, transport and competence of staff.