Consumers in developed countries are requesting the certification of tropical wood products to ensure sustainability in forest resources. Malaysia has suscribed to the International Tropical Timber Organisation(ITTO) Year 2000 target for certification based on sustainable development guidelines. Kumpulan Guthrie, a private company, subject in 1994 two of its rubber plantations to a forest audit and wood product certification. The audit process involved three steps, firstly, the site visit; secondly, the actual assessment; and thirdly, the trace of supply chain to the door manufacturer for the biggest DIY retailer in United Kingdom. The site visit entailed meeting with the plantation staff and workers. The assessment was done using the principles and criteria for forest management of the European Forest Stewardship Council(EFSC), an international accreditation organisation. The key five issues used in the assessment are firstly, compliance with international and local regulations; secondly, socio-economic acceptability of the land use by workers and local communities; thirdly, encouragement of efficient use of forest multiple products and services; fourthly, minimisation of adverse impact on the environment and ecosystem; and lastly, implementation of a definite and up-to-date written management plan for sustainable replanting without new clearing of forest. On the basis of the findings by the Audit team, the two Guthrie estates were certified as wellmanaged according to EFSC principles and criteria, Kumpulan Guthrie views the certification excercise positively in that firstly, certification satisfies the customer's demand for the environmental worthiness; thirdly, provides further incentives for sustainable forest management; and fourthly, make manufacturers accountable for the environmental impact of their products.