This tender invites qualified contractors in Karachi to provide fumigation and disinfection services at PSO House, Clifton. Issued by Pakistan State Oil Company Limited, it falls under Cleaning & Janitorial Supplies, ensuring a hygienic and safe environment for corporate premises. The scope includes comprehensive fumigation and disinfection treatments using approved chemicals and techniques tailored for office environments. The site is located in Clifton, Karachi, requiring contractors to manage logistics and safety protocols effectively. Contractors must demonstrate experience in similar urban commercial settings and comply with health and safety standards. Bidders should ensure they meet Pakistan State Oil's requirements, including valid NTN and GST certificates, and be active taxpayers. The tender follows a Single Stage – Two Envelope procedure via SAP Ariba. It is advisable to verify PEC category compliance and maintain an updated ATL status for the financial year 2025-26 to avoid disqualification. Submission deadline is on the 28th of January 2026 at 14:15 hours, with bid opening at 15:00 hours on the same day through SAP Ariba. All documents must be submitted electronically via the SAP Ariba portal. The physical address for correspondence is 2nd Floor, PSO House, Khayaban-e-Iqbal, Clifton, Karachi. Pro-Tip: Ensure your Call Deposit Receipt (CDR) and technical bid documents are correctly uploaded on SAP Ariba. Missing or incomplete documents often lead to disqualification, so double-check all requirements before submission.