This tender invites qualified contractors in Islamabad to undertake the repair and renovation of the office building for the Chief Commissioner Inland Revenue, Large Taxpayer's Office located at Plot # 20 Mauve Area, G-9/1. The Federal Board of Revenue (FBR) requires experienced firms to restore and upgrade the existing office infrastructure, ensuring compliance with modern standards and operational efficiency. The scope includes structural repairs, electrical and plumbing works, and finishing touches to enhance the building's functionality and aesthetics. Contractors must demonstrate capability in managing civil, electrical, and plumbing works with a focus on quality assurance, safety, and timely completion. The site in Islamabad presents typical urban engineering challenges, including working within an operational government office environment and adhering to strict regulatory compliance. Applicants should hold valid PEC registration in relevant categories and maintain active FBR tax status with ATL compliance for the fiscal year 2025-26. Financial soundness, technical expertise, and equipment availability will be evaluated rigorously. The tender emphasizes the importance of submitting a complete technical proposal with all required documentation, including audited financial statements and valid licenses. The submission deadline is set for 7th January 2026 by 23:59:59, with bids to be delivered in sealed envelopes to the Additional Commissioner (HQs), Office of the Chief Commissioner Inland Revenue, Large Taxpayer's Office, Plot # 20 Mauve Area, G-9/1, Islamabad. The technical bids will be opened promptly after the closing time. Pro-Tip: Ensure your application includes a properly stamped affidavit confirming no blacklisting or litigation history, as this is a common cause for disqualification. Also, double-check the envelope marking and submission address to avoid rejection on procedural grounds.