After graduation from the Hong Kong Polytechnic (now Hong Kong Polytechnic University), Mr. Tse joined the Hong Kong Civil Services and worked in different offices of Crown Lands & Survey Office (now is Lands Department) for 12 years. He was Senior Estate Surveyor when leaving the public sector. Thereafter, Sr Tse had been working in the private sector and holding senior position in various companies and organizations including Hongkong Land Property Company Limited, Chesterton Petty Ltd., Emperor International Holdings Limited, Urban Renewal Authority, Henderson Land Development Company Limited and Henderson Sunlight Asset Management Limited.

Sr Tse is now the member of Legislative Council, Architectural, Surveying, Planning and Landscape FC, Vice-chairman of the Intergovernmental Panel on Climate Change (IPCC), Chairperson of the Property Management Services Authority (PMSA), member of Harbourfront Commission, and director of Brand Star Limited, a property development and asset management consultancy firm.