Kwan was born in Hong Kong and was graduated from the Tung Wah Hospital Number One School and was enrolled to the law faculty of the University College London.
In 1980 he became the standing committee member and the chairman of the youth wing of the Reform Club of Hong Kong.
He contested in the first Legislative Council election in 1985 in East Island electoral college but was defeated by Desmond Lee.
In the 1995 Legislative Council election, Kwan ran in the Import and Export functional constituency, but was defeated by Henry Tang of the Liberal Party.
[1] Kwan Lim-ho suffered a stroke and collapsed in the middle of a press conference in 2005 on behalf of the Entertainment Business Rights Concern Group.