GreenBlue Urban

Our Partners

Association of Tree Officers (ATO)

The National Association of Tree Officers (NATO) was originally established in 1997, set up to serve the needs of local authority tree officers nationally.  Its principal aim was to promote and enhance the good management and care of the UK treescape through the Local Authority arboricultural function. As a UK based national organisation, it represents the views and concerns of Tree Officers nationwide, with its membership open to all local authorities.

Working alongside the London Tree Officers Association (LTOA), the association was relaunched in Soring 2020 and is now known as the Association of Tree Officers.

Barcham Trees

Barcham Trees Plc has been growing trees for over 25 years and is based just outside of Ely, Cambridgeshire.

Its tree nursery covers over 250 acres and specialises in containerised trees ranging in size between 3 and 10 metres in height, all grown in Barchams patented white Light Pots™ to ensure a vibrant and quick-to-establish root system after planting.

Barcham stocks over 450 different varieties and has a production of 125,000 container trees per year making our tree nursery the largest of its type in Europe.

Working closely with GBU on the education of best practice tree care for the long term.

Hillier Nurseries

Like GBU, Hillier Nurseries is a family run business, and have been for more than 150 years. Horticultural passion and expertise have been the backbone of our success throughout that time. Trying to ensure that how and what we do is right for the plants we grow, and for our customers, is a commitment we share with our friends at GBU.

Buying and planting high-quality British-grown trees is one of the most significant ways to support biosecurity and help enhance our urban environments. The correct Planting, anchoring and irrigation of a tree is absolutely paramount to the establishment and success of it, which is where the expertise at GBU comes to the fore, and why Hillier enjoys working alongside GBU to help ensure projects succeed the first time, allowing the trees to develop and thrive into beautiful mature specimens.

Landscape Institute

The Landscape Institute (LI) is the chartered body for the landscape profession. It is an educational charity that promotes the art and science of landscape practice.

The LI’s aim, through the work of its members, is to protect, conserve and enhance the natural and built environment for the public benefit.

The LI provides a professional home for all landscape practitioners including landscape scientists, landscape planners, landscape architects, landscape managers and urban designers.

Along with its education platform LI Campus and numerous events, GBU have been a long term supporter for a number of years.

London Tree Officers Association (LTOA)

The London Tree Officers Association (LTOA) was first established in 1982, created out of a need for contact and exchange of information on arboricultural matters between London boroughs.

Since then regular meetings have been held in various boroughs across the capital, covering topics ranging from tree legislation to management techniques.

The LTOA’s primary aim is to promote, support, and enhance the urban forest and those who manage it.


Treeconomics works internationally with community groups, research organisations, public bodies, municipalities and private businesses to complete projects which highlight the value of trees.

It does so, through a variety of different assessment tools and methods, including the most widely used i-Tree Eco model. This is a peer-reviewed, open-source package, which is piloted in the UK with project partners.

GBU are proud to have collaborated on a number of projects including the ever-popular Trees and Cost-Benefit Publication.

Urban Design London

Urban Design London is a not-for-profit organisation founded in 2002 to support London’s built environment professionals to create well-designed spaces and places.

UDL exists primarily to promote the delivery of well-designed change to the built environment and ensure good management of existing places and spaces.

GBU fully support the continued education programme to aid local authorities in enhancing green infrastructure within their boroughs.

GreenBlue Urband Ltd

GreenBlue Urban Ltd
Northpoint, Compass Park,

Bodiam, East Sussex, TN32 5BS

London Showroom
117-121 St John Street,

Clerkenwell, London, EC1V 4JA

E: [email protected]
T: 01580 830 800


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