Here is a list of CIC numbers as per MP constituencies as at Jan 2016.
Ladywood in Birmingham comes out as the No1 constituency hotspot
John, the pdf is splitting the last two columns so they display separately at page 15 onwards.
Thanks James, top spot!
Is this data available in an Excel spreadsheet?
We only publish in non attributable form, but the core data is all now free to access on Companies House.
Again, thanks to Mike Veitch for a great job painting the early picture for all of us.