About Us

Approved Site Investigations Ltd, or better known to our clients as ASI, is committed to delivering a professional and friendly service that is directly related to Cornwall's historic mining past and today's present industrial contamination problems.

Office entrance

With Cornish mining experience and staff qualified at the Camborne School of Mines, you can be assured of our advice and guidance in all aspects of your current site/home development. Liaising with the local Councils Planning & Environmental departments, we can direct you throughout the various stages of your development.

Our rates are extremely competitive and from local council to large scale developers and private home owners alike, we deliver concise, factual reports which propose solutions to your current problem.

Our list of useful contacts is comprehensive, and having used most of who is available in the market place, we can help you on where to go for other related services. Again this helps to make the process easier for you and gives you confidence in choosing additional professionals for the work.

Office street view
ASI van
ASI Cars

We would like to thank all of our clients and partners for their continued support!

- Jeremy "Jem" Williamson ~ Approved Site Investigations Ltd.