Christiani & Nielsen

Christiani & Nielsen is a construction contractor with major operations in Thailand and Southeast Asia. Originally a Danish company, it is today a listed company majority owned by the GP Group.

The company provides a comprehensive range of construction services, including the design and construction of a variety of buildings and civil engineering works, steel structures with a full range of electrical and mechanical engineering services.

Christiani & Nielsen was established by Rudolf Christiani, a Danish civil engineer, and Aage Nielsen, a captain in the Royal Danish Navy, in Copenhagen in 1904 to build bridges, marine works, and other reinforced concrete structures. It soon established a branch in Hamburg, and after World War I, extended its operations to the United Kingdom, South America, Australia, and Africa. In 1965 the company built the Kish Lighthouse in Dublin Bay.

Christiani & Nielsen (Siam) Ltd. was established on 28 February 1930. Over the years, the company executed a number of projects, including

The Thai company was the first construction company to be listed on the in 1991. In December 1992 it completed a reverse takeover of its publicly listed Danish parent company, the first such transaction in Thai business history.

It later expanded into Malaysia, Vietnam, and China, along with investment in engineering and property related businesses. As a result of the Asian financial crisis in 1997, the company needed to undertake extensive restructuring by disposing of foreign subsidiaries and other investments, and thereafter decided to focus on its core construction business in Thailand.

The past few years have seen radical changes in the shareholding structure of the company. To comply with new regulations of the Bank of Thailand, in 2008, long standing major shareholder Siam Commercial Bank PCL sold its stake to the Crown Property Bureau, giving them a majority share in the company. Thereafter, in 2011, the Crown Property Bureau sold all its shares in the company to the GP Group which thereby became the new major shareholder of the Company.

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