Looks to be sponsored by the Finnish Government:
Actually the opposite is the case.
The Finnish government tried to bring them down (or at least stop them from targeting mainland Finland) for many years.
Various court decisions against PAF over time. Not entirely sure if they had to give in by now or if their fight is still going on with regards to finnish customers.
Can't comment on how their operation is run, but they have been around for quite some time, so that's a positive sign.