There are many individual investigators and groups researching paranormal experiences through Great Britain and the rest of the world.  I was wondering whether you have any experiences with paranormal investigators and what were they like?  Would you recommend an individual or group and if so why, or why not.

There are many individual investigators and groups researching paranormal experiences through Great Britain and the rest of the world.  I was wondering whether you have any experiences with paranormal investigators and what were they like?  Would you recommend an individual or group and if so why, or why not.