The Technical Support Service (TSS) provides timely and accurate administrative and technical support services in the committee and plenary processes of the Commission on Appointments. It is responsible for the orderly and efficient conduct of the confirmation deliberative process.

The TSS ensures a continuous and smooth coordination with the members of the Commission and their respective staff including the various committee stakeholders and other Secretariat offices. Its primary functions include, among others, the preparation of confirmation process documents, publication of appointments, schedules and notices of meetings, minutes, journals, resolutions, committee agenda, plenary session order of business, scenarios, transcripts of stenographic notes, certificates of confirmation, reports to the Office of the President of the Republic of the Philippines, and invitations or compulsory processes to resource persons and witnesses.

The TSS is headed by a Service Director and assisted by an Assistant Service Chief under which three (3) workgroups, namely, the Committee Secretaries (ComSec), the Senior Minute Officers (SMO), and the Administrative Support Staff (Admin Staff).

The TSS abides by teamwork as its underlying workplace philosophy. It values each individual staff, whether working in the frontlines or behind the scenes, as an indispensable part and complements one another to successfully fulfill its duties and responsibilities.