British Association of Landscape Industries (BALI)

A national body for representing landscape contractors in the UK. BALI continues to raise the standards throughout the industry through encouraging high standards of quality, workmanship and services.

BALI aims and objectives are about quality standards, developing skills, raising awareness, rewarding experience and supporting it’s members by giving them advice and representatiion.

Ashlea Limited are full members of BALI and award winners for 2006.

For more information about BALI click


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-prequalification information provides them with over 12,000 fully accredited suppliers. A full accredited member of Constructionline benefits from reducing the need to complete pre-qualification questionnaires to over 1,500 buyers who access their facilities.

Ashlea Limited are fully accredited members, reference number 50516.

For more information about Constructionline


ISOQAR is an accredited certifcation body, and 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 achieved accreditation for NHSS sector scheme 18 in 2010.

For more information about ISOQAR click

Safe Contractor

We achieved accreditation to Safe Contractor in October 2008.


We achieved accreditation to Archilles in April 2009.