UPM audited 235 of its logging sites in Russia, 80% of which were classed as good, with 20% having minor non-conformities.
These related to health and safety, logging site management and logging practices.
UPM has taken corrective action with these suppliers.
Where there were two serious breaches of contract, the company has ended its supplier agreement with these firms.
The wood tracing systems ensures that the wood purchased by UPM in Russia is sustainable and legal.
The forestry firm started to build its wood tracing system, which is based on a statement of origin, database and mapping system and supplier audits, in Russia in 1996.
UPM scrutinises Russian suppliers
At least 80% of UPMs Russian suppliers are operating at a good level, following an audit by the Finnish pulp and paper producer.