Management plans are an essential part of site management, but while all managers know that they should have an up-to-date plan, it is often difficult writing or keeping these plans up to date, learning about best practice, struggling with plan formats or deciding what to monitor. The CMS Consortium (CMSC) consists of most of the main conservation organisations in the UK, including Natural England, Countryside Council for Wales, the RSPB, National Trust, Northern Ireland Environment Agency, WWT, Exmoor National Park and some of the Welsh Wildlife Trusts.