In 2002 he joined Rangers but was loaned to Double Flower on a monthly salary of just HKD$1,500, to train under coach Chiu Chung Man.

In June 2010, Kitchee reported to the Hong Kong Football Association that Fourway Rangers made an illegal approach to his services.

This was the first title for Kitchee in 47 years, gaining the club the rights to play in the 2011 Barclays Asia Trophy and 2012 AFC Cup.

Lam's contribution included two goals against South China on 11 December 2010 to help Kitchee claim an important 4–3 away win.

[9] On 25 January 2017, Lam scored a last-minute winner versus Hà Nội to lift Kitchee to victory in their 2017 AFC Champions League qualifying play-off match.

[11] After over a decade at Kitchee, Lam signed with fellow Hong Kong Premier League club Eastern on 1 July 2018.

[15] On 10 September 2020, Rangers' Director of Football Philip Lee declared that Lam would return to the club as a player and a youth team coach.

[18] On 5 March 2005, Lam made his international debut for Hong Kong in the Preliminary Competition of 2005 East Asian Football Championship against Mongolia.