Private company

Christiani & Nielsen

Logo: Christiani & Nielsen, Public domain, via Wikimedia Commons3

Construction contractor

Christiani & Nielsen was a construction contractor with major operations worldwide. It still trades in Thailand.2 It was founded by Aage Nielsen and Rudolf Christiani.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1904Founded1

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Christiani & Nielsen was a construction contractor with major operations worldwide. It still trades in Thailand.2

The story

Founded by Aage Nielsen and Rudolf Christiani in 1904.1

Christiani & Nielsen was established by Rudolf Christiani, a Danish civil engineer, and Aage Nielsen, a captain in the Royal Danish Navy, in Copenhagen, to build bridges, marine works, and other reinforced concrete structures, in 1904. It soon established a branch in Hamburg, and after the First World War, extended its operations to the United Kingdom, South America, Australia, and South Africa.

The company's business in Thailand was demerged on the Stock Exchange of Thailand in 1991 and continued operating under different ownership.

The main company went into administration in November 2000.

From Wikipedia’s article on Christiani & Nielsen, shared under CC BY-SA 4.0.4

Leadership

Who has led Christiani & Nielsen, and when. Pick a name to see everywhere that person has worked.

Timeline

  1. 1904Founded Founded1

Sources

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

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