A9 Consulting Ltd was Incorporated in 2010 by Yvonne Brown and Dr Eric Donnelly.


The core knowledge base of A9 Consulting Ltd comes from over 25 years of experience in ecological, conservation and agricultural fields, with 15 of these years providing ecological consultancy.


A9 Consulting Ltd is a small well-established consultancy with a large and diverse client base, from householders, developers, landowners, other consultancies and government agencies. We have worked on a diverse portfolio of projects, from consultancy on ecological impacts of house renovations through to large wind farms and other infrastructure. We work on projects at many stages from the initial scoping, through survey and impact assessment and on to Environmental and Ecological Clerk of Works during the construction period, including fulfilment of planning conditions.


We hold Scottish Natural Heritage licenses for a range of protected species, rare birds and work closely with our specialist associates to provide a complete package. Please see our Services page for the range of ecological and environmental services we provide.


A9 Consulting Ltd is registered on Achilles, Builders Profile, are ISO Assured and hold Professional Indemnity Insurance (£2m), Public Liability Insurance (£5m) and Employers Liability Insurance (£10m).



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A9 Consulting Ltd  - 1 Nevis Park, Inverness IV3 8PP  Company Number: SC 383715  VAT Reg No 996 7264 51