British Association of Landscape Industries (BALI)

Ashlea Limited are accredited by the British Association of Landscape Industries (BALI), the leading Trade Association representing all landscape professionals – from design, build and maintenance through to supply, training and education.

BALI continues to raise the standards throughout the industry through encouraging high standards of quality workmanship and services. BALI’s aims and objectives are about quality standards, developing skills, raising awareness, rewarding experience and supporting its members by giving them advice and representation.




Constructionline is a register of pre-qualified local and national construction and construction related suppliers. It is owned by the Department of Trade and Industry (DTI) and is a contributor to the Rethinking Construction initiative.

Their supply of pre-qualification information provides them with over 12,000 fully accredited suppliers, one of which is Ashlea Limited – reference number 50516.


BMTrada is an accredited certification body regulated by UKAS, United Kingdom Accreditation Service, and in the USA by the ANAB, the American National Accreditation Body.

The standard provides a national framework for continuous improvement in business performances in quality and management systems.

Ashlea Limited have had accredited certification for ISO 9001:2008 since 1994 and ISO14001 in 1994, we also achieved accreditation for NHSS sector scheme 18 in 2010.

Safe Contractor

SafeContractor delivers a tailored health & safety accreditation allowing contractors to showcase their capabilities to potential customers.

Ashlea Limited achieved accreditation to SafeContractor in October 2008.



Achilles are committed to the sustainability and performance of the business which they work with. They collect and validate supplier date and mitigate risks therefore building more secure, sustainable and better performing supply chains.

Ashlea Limited achieved accreditation to Achilles in April 2009.