This tender invites qualified Chartered Accountant firms to provide consultancy services for co-sourcing the internal audit function of the National Highway Authority (NHA) in Islamabad. The assignment focuses on enhancing the internal audit capabilities by integrating external expertise with the existing internal audit wing. The scope covers audit of toll revenues, police fine collections, weigh fines, right of way income, and other financial controls across NHA's operations nationwide. The consultancy requires firms to prepare internal audit manuals, develop risk-based audit plans, and conduct audits in line with NHA's regulatory framework. The work involves detailed verification of contract compliance, SOP adherence, banking compliance, reconciliations, and data integrity checks. Deliverables include monthly, quarterly, half-yearly, and annual audit reports with management action plans. The firm must have a strong team including qualified CAs with experience in public sector internal audits and must maintain continuous communication with NHA's internal audit wing. Bidders must meet strict eligibility criteria including having an office in Islamabad, being A-rated on the State Bank of Pakistan panel, inclusion in ICAP's QCR list, Audit Oversight Board registration, valid NTN, and no blacklisting. The firm must submit a refundable earnest money of PKR 500,000. The contract duration is three years, extendable by mutual consent, with monthly fee payments inclusive of all taxes. Proposals must be submitted in sealed envelopes containing separate technical and financial bids by **5th March 2026 at 11:30 AM** at the NHA HQ office, 28 Mauve Area, G-9/11, Islamabad. Technical proposals will be evaluated on a pass/fail basis with a minimum 70% score required to qualify for financial bid opening. The selection will be based on an 80/20 technical to financial score ratio. Pro-Tip: Ensure all proposal pages are numbered and bound in a hard book binding to prevent removal or addition of pages. Also, carefully check the bid security requirements and submit the pay order in favor of National Highway Authority, Islamabad, as missing or incorrect earnest money submissions often lead to disqualification.