This tender invites qualified consultancy firms or individuals registered with PEC and holding valid NTN and GST certificates to provide comprehensive architectural, interior design, renovation, and construction consultancy services for the Customs Enforcement Directorate building in Islamabad. The scope includes design, preparation of detailed estimates, drawings, BOQs, specifications, bid evaluation support, and supervision during the execution phase to ensure quality and compliance. The consultancy services cover architectural and interior renovation of floors, preparation of technical documents, assistance during tendering, bid evaluation, and construction supervision. The contract is on a lump sum basis with a detailed schedule of activities and payment terms. The consultancy will also provide support for contract management, cost estimation, and compliance with relevant laws and regulations.