He was the one of the founding-members of BERSATU Sabah, and also was a Former Member of the Supreme Council, Chairman of Federal Territories, Division Chief of Labuan of the Malaysian United Indigenous Party (BERSATU), a component party of the Perikatan Nasional (PN) and formerly Pakatan Harapan (PH) coalitions and was a member and Division Chief of Labuan of the United Malays National Organisation (UMNO), a component party of the Barisan Nasional (BN) coalition.

[1] On 30 October 2023, SuhaIli, the Labuan MP of the PN opposition coalition, declared his support for the government and leadership of Prime Minister Anwar Ibrahim.

In addition to Anwar, Suhaili did so for Chief Minister of Sabah Hajiji Noor.

He added that the declaration was decided to take the hardships and grievances of the Labuan people into consideration who were burdened by rising costs of living as well as persistent water and power disruptions while stressing his loyalty to his party BERSATU and his readiness for any possible disciplinary actions from his party.

Suhaili clarified that his decision was also totally voluntary, free from external pressure and driven by a sincere desire to benefit the Labuan people.