Financial publishing company Charterhouse Communications went into administration last week reports thisismoney.co.uk.
The publisher of the What Mortgage and Home Buying magazine and web titles suspended share trading in February and the last news headline on the What Mortgage site dates April 3.
KPMG has been appointed as administrator of the company.
According to thisismoney.co.uk, the group is the latest publisher to suffer from the squeeze in the mortgage market following the closure of Niche News and Publishing in March.