FounderDuels

Pfleghard and Haefeli vs Zanstra, Giesen and Sijmons

Side by side, from the public record each company was imported from. Where a figure is missing it is because no source we hold states it — not because it is zero.

Pfleghard and Haefeli
Zanstra, Giesen and Sijmons
Founded
Not recorded
1932
Status
Active
Closed 1954
Headquarters
Switzerland
Netherlands
Industry
architectural firm
architectural firm
Founders
Otto Pfleghard, Max Haefeli
Piet Zanstra, Jan Giesen, Karel Sijmons

Facts on both companies come from the public records named on Pfleghard and Haefeli and Zanstra, Giesen and Sijmons.