Christiani & Nielsen
| Industry | Construction |
|---|---|
| Founded | 1904 |
| Founder | Rudolf Christiani Aage Nielsen |
| Defunct | 2000 (continues to trade in Thailand) |
| Fate | Administration |
| Headquarters | Leamington Spa, Warwickshire |
Key people | Amorn Asvanunt (Chairman) Alan Crane (Managing Director) |
| Products | Motorways, bridges |
Christiani & Nielsen was a construction contractor with major operations worldwide. It still trades in Thailand.