I mailed back Imogen at AMMA and copy two of her reply paragraphs below. I'm still not convinced; I don't believe anyone these days claiming not to need a website. I await the doorstep research by Andrez!
John.

"We are a traditional nut and bolts music bizz organisation.
We don't sell CD's to the general public as such, we only license to labels and publishers etc who use their infrastructure to market product in their own territories. Be it the UK, Europe, North America, Asia, Brazil whatever.
Being such we don't really need a website.
We advertise in the international print media all over the world in fact. Which is very expensive but gets long term results.
Having said that we do have a large presence and many international music trade websites such as MIDEM. However you will need an industry logon to gain access to these sights.

AMMA has been in the business of international music publishing and licensing for over 20 years and is one of the most visible companies carrying on the business of licensing and publishing on the international music trade circuit. Our activities take us all over the world and we have a presence on every continent.
Artists who are contacted by AMMA often ask how we found them.
Our Melbourne office is given artist/writer/label contact info from all over the world by song writing associations, musician unions, label associations, manager forums and other collectives.
It is our business to find good artists, good writers and good catalogue for further business."