Private company

Grahn, Hedman & Wasastjerna

Finnish architectural firm

Grahn, Hedman & Wasastjerna was an architecture firm working in Helsinki, the capital of Finland, between 1892 and 1905.² It was founded by Karl Gustaf Grahn, Ernst Gustaf Hedman and Knut Edgar Wasastjerna.¹ Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1892Founded¹

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Grahn, Hedman & Wasastjerna, 1895 — Photo: Rosenbröijer A. E. (Valokuvaaja), CC BY 4.0, via Wikimedia Commons³

Grahn, Hedman & Wasastjerna was an architecture firm working in Helsinki, the capital of Finland, between 1892 and 1905.²

The story

Founded by Ernst Gustaf Hedman, Karl Gustaf Grahn and Knut Edgar Wasastjerna in 1892.¹

Leadership

Who has led Grahn, Hedman & Wasastjerna, and when. Pick a name to see everywhere that person has worked.

Subsidiaries and ownership

Owners

From Wikidata.¹

Timeline

1905Dissolved Dissolved¹
1892Founded Founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataGrahn, Hedman & Wasastjerna on Wikidata
2
WikipediaGrahn, Hedman & Wasastjerna on Wikipedia
3
Wikimedia CommonsGrahn, Hedman & Wasastjerna photo by Rosenbröijer A. E. (Valokuvaaja), CC BY 4.0