Private company

H+N+S Landschapsarchitecten

Logo: hnsland.nl²

H+N+S Landschapsarchitecten is a Dutch landscape architectural firm based in Amersfoort.¹ It was founded by Dirk Sijmons, Lodewijk van Nieuwenhuijze and Dick Hamhuis.¹

Last updated Oct 21, 2026.

Overview

HeadquartersAmersfoort, Netherlands¹
Websitehnsland.nl

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The story

Founded by Dick Hamhuis, Dirk Sijmons and Lodewijk van Nieuwenhuijze.¹

Leadership

Who has led H+N+S Landschapsarchitecten, and when. Pick a name to see everywhere that person has worked.

FounderDick Hamhuis¹
FounderDirk Sijmons¹
FounderLodewijk van Nieuwenhuijze¹

Sources

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

1
WikidataH+N+S Landschapsarchitecten on Wikidata
2
Company websiteH+N+S Landschapsarchitecten logo

Overview

The story

Leadership

Links

Sources