How to win: Independent Assessor Framework

About this contract

TfW is seeking to establish a Framework Agreement to cover Independent Assessor services. The proposed framework will provide specialist independent assessment and assurance services to verify compliance with railway safety, interoperability and regulatory requirements. The framework will be divided into three lots: Lot 1 – Assessment Body (AsBo): Independent assessment against Common Safety Method (CSM-REA) requirements. Lot 2 – AsBo / Approval Body (ApBo) / Designated Body (DeBo): Safety and interoperability assessment services against National Technical Specification Notices (NTSNs) and National Technical Rules (NTRs). Lot 3 – Independent Competent Person (ICP): Independent verification of compliance with ROGS requirements. The framework will support assurance activities across TfW rail infrastructure projects throughout the project lifecycle. Further information can be found in the Tender Documents published on the Atamis procurement portal.

How to win contracts like this

• ✓Answer against the marking scheme, not the question text — Transport for Wales scores each response, so map your evidence to the published criteria and weightings.
• ✓At £4,125,000, expect quality and social value to carry a large share of the score — price alone rarely wins services work.
• ✓Show recent, comparable delivery: name similar services contracts you've delivered for public bodies, with measurable outcomes.
• ✓Start early: it closes 4 September 2026 and a strong bid takes iteration.

BidWriter drafts your responses from your company profile, scores them against the marking scheme, and tracks your whole pipeline. Free to start — no card needed.

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