The 844 m2 (9,080 sq ft) storage facility's collection includes more than 200,000 books and over 900 magazine annual volumes.

In 2002, the third joint library data management system was taken into use, with the most recent version being implemented in 2013.

[5] Experiences from using the system and its capabilities inspired closer cooperation within the library network.

This led to the creation of a common collection, which is now in constant use by the whole population of the Capital Region.

According to a study conducted by Taloustutkimus, Helmet was Finland's second most valued online brand in 2012, bested only by Google.