DavidJudge - 2:56 am on Nov 12, 2012 (gmt 0)
Hey, thanks for your suggestions and for the welcome.
I've read through the suggested links and appreciate the heads up (I've book marked the Google Update History).
I'm not sure if the site has been re-submitted for consideration and wanted to make sure it was all good (from what I can control) before I did so.
I've gone through each of the points on guidelines and did not see any issues there, so perhaps the next step is to re-submit?
The site is a WordPress CMS (which obviously has it's weak points) but I've never seen this happen before.
When you log into webmaster tools and check under 'health' - 'index status' you see the number of indexed pages gradually go from 178 to 0 in just under a month. It also hasn't changed since then (no more or less pages indexed).
I thought it may have been a Panda update but there wasn't a mentioned update around this time frame as you mentioned Robert and would have expected a reduction in the pages indexed, but not complete removal.
The site does show up in the other SERP's so it looks like it's just Google that are unhappy with it.
The content is not adult based or sensitive in any way and the site was successfully indexed and online since early 2008 to earlier this year. The topic of the site site is web design, logo design and print services.
I even checked other sites on the same IP (more out of interest) and there are about 40 other sites on the same IP and a few I checked were all indexed.
Any other thoughts would be appreciated.