There are a number of organizations that can give advice and support for woodland management
The Forestry Commission has a national network of woodland officers to process forestry grants and felling licence applications. They work on a county basis, managed from a series of regional offices. For details of your nearest regional office look here.
Other Professional Support
There are a large number of professional consultants who will be able to take on some or all of your woodland management as well as groups that you can join to get advice on other aspects of woodland management. There is a list on the Forestry Commission Website here