Amin sits on the boards of numerous Brunei Government-affiliated businesses in a variety of industries, such as telecommunications, healthcare, hospitality, oil and gas, information technology, and education.

[17] He stated on 14 March 2019 that CFLD (Singapore) Investment Pte Ltd's financial difficulties had caused the construction of Brunei's special economic zone to be postponed.

[19] Chan Chun Sing represented Singapore while Dato Dr Amin signed various Memorandum of Understandings (MoU) on behalf of the Bruneian government on 27 August 2022.

The MoU intends to develop collaboration between Singapore's Public Services Division and Brunei's Prime Minister's Office.

[20] Earlier that month on the 7th, he expressed the support in a virtual meeting with Yeo Han-koo, praising Seoul's proposed CPTPP membership bid and promised to work actively to facilitate its admission with the two sides reached an agreement to increase bilateral trade and investment as well as collaboration in cutting-edge business sectors including digital commerce and climate change.