I failed to find a useful source directly from the official keepers of
the ownership data, <a href="http://www.brreg.no/">Brønnøysundsregistrene</a>.</p>
-<p>To get a owner ship graph, fetch
+<p>To get an ownership graph for a set of companies, fetch
<a href="https://github.com/petterreinholdtsen/brreg-norway-ownership-graph">the code from git</a> and run it using the organisation number. I'm
using the Norwegian newspaper Dagbladet as an example here, as its
ownership structure is very simple:</p>
<p>To view the ownership graph, run "<tt>dotty dagbladet.dot</tt>" or
convert it to a PNG using "<tt>dot -T png dagbladet.dot >
-dagbladet.png</tt>". This is the result can be seen below:</p>
+dagbladet.png</tt>". The result can be seen below:</p>
<img src="http://people.skolelinux.org/pere/blog/images/2015-06-15-ownership-graphs-norway-dagbladet.png" width="80%">
data in the official ownership register, as that name is not
registered in the official company register for Norway. The ownership
register is sensitive to typos and there seem to be no strict checking
-of the ownership information.</p>
+of the ownership links.</p>
<p>Let me know if you improve the script or find better data sources.
The code is licensed according to GPL 2 or newer.</p>
+
+<p>Update 2015-06-15: Since the initial post I've been told that
+"<a href="http://www.proff.dk/firma/carl-allers-etablissement-aktieselskab/københavn-v/hovedkontorer/13624518-3/">Aller
+Holding A/S</a>" is a Danish company, which explain why it did not
+have a Norwegian organisation number. I've also been told that there
+is a <a href="http://www.brreg.no/automatiske/webservices/">web
+services API available</a> from Brønnøysundsregistrene, for those
+willing to accept the terms or pay the price.</p>