Born in Malacca in 1805 to Tan Swee Poh, he was the grandson of Tan Sin Liew, one of the early pioneers of Malacca. Tan came to Singapore where he made a fortune as a trader. He started his firm, Kim Seng and Company, in 1840 and amassed a large fortune in his lifetime. His public acts of charity includes endowing a Chinese Free School, supporting the Tan Tock Seng Hospital, and improving the public waterworks in 19th century Singapore. Tan donated generously to the building and maintenance of a school for boys known as Chui Eng Institute. The school was originally taught in Hokkien and was known as the top school in Singapore at the time. was built to commemorate Tan Kim Seng's contributions to the first public waterworks in Singapore. One of Tan's best-known donations was the sum of S$130,000 in 1857 towards building Singapore's first public waterworks to ensure a better freshwater supply to the town. The Tan Kim Seng Fountain was erected by the Municipal Commissioners to commemorate Tan's donation. However, his donation was squandered away by the Government Engineer, who hoped to make water run uphill through water pipes. In 1882, possibly out of shame and to mark the British colonial government's appreciation for such a generous gift, the fountain was installed in Fullerton Square to perpetuate his name. The fountain was moved to Battery Road in 1905 and later in 1925 to the Esplanade Park where it currently stands. Tan was also the first magistrate of Chinese descent in Singapore. He was the acknowledged Chinese leader in Singapore and Malacca, and was made a Justice of the Peace in 1850, after his father's death. He was appointed the Municipal Commission's first Asian member in 1857. His numerous contributions to the society includes the suppression of the secret society riots in 1854 between the Cantonese and the Hoklo communities. Tan gave lavish parties in which he would invite the Europeans as well as other prominent members of Singapore society of all races. A European guest who was there at his first ball, said of the feast: Upon his death in 1864, Tan had amassed immense wealth that stemmed most notably from his control over Singapore's waterworks system and his own real estate holdings. It is estimated that Tan owned 50–60% of the land in Singapore.
Legacy
Tan built a road in River Valley which still carries his name — Kim Seng Road. This road led through Tan's property in the area. Jiak Kim Street and Jiak Chuan Road are named after his two prominent grandsons Tan Jiak Kim and Tan Jiak Chuan respectively. Kim Seng Road is known to the Hokkiens as hong hin lo, meaning "Hong Hin road". One of the last landscape vestiges connected with the Tan family in this area is the house, Panglima Prang on River Valley Road. It served as the early home of Tan Jiak Kim, Tan Kim Seng's grandson and a great-grandfather of former President of SingaporeTony Tan. This house was built in the 1860s and demolished around 1982. Kim Seng Bridge across the Singapore River, carrying Kim Seng Road from River Valley Road to Havelock Road, was first constructed by Tan and was named after him. The cost of building the original bridge, as well as the other bearing his name in Malacca in 1862, which was opened by W.O. Cavenagh, Governor of the Straits Settlements, was defrayed by Tan. The bridge was rebuilt around 1950–1951.
