Westminster City Council (the Council) is seeking to appoint a single, independent supplier to deliver the Highways Audit & Asset Management (A&AM) Contract. The supplier will provide audit and compliance services, asset management services and other professional services supporting the Council´s Highways & Public Realm Contract. The A&AM supplier will provide objective scrutiny, assurance and challenge and must remain operationally and professionally independent from the Highways & Public Realm contractor. • audit of performance information, contractual compliance and delivery against the Highways & Public Realm Contract; • commercial and cost assurance, including review of estimates, applications, final accounts, compensation events, Price List items, indexation and volume rebate calculations where specified; • technical assurance, inspections, design reviews, defects and compliance audits; • asset-management strategy, inventory and data assurance, planned preventative maintenance programme development, BCI calculations and statutory/industry data reporting; • responsible procurement, social value and carbon-reduction requirements, including assurance of relevant Highways & Public Realm contractor tender commitments where required by the Scope; • use of the Council´s IT Solution, including CAMS, HMMS, BSMMS and CMS, to support evidence-based audit and asset-management activity; and • additional specialist and professional services instructed through Task Orders within the scope and maximum value of the Contract. Contractual reporting and improvement requirements include an Audit Plan (the first due no later than one month after the Starting Date and, for subsequent years, a draft due by 1 March), monthly Performance Reports under Schedule 5, and an annual Innovation Report identifying at least five improvement opportunities and quantifying financial, carbon and customer benefit. Further service-specific reports, logs, calculations, programmes and deliverables are set out in the Scope and Performance Management schedule. The intended form of contract is the NEC4 Term Service Contract. The initial term is three years from 1 April 2027 to 31 March 2030, with up to two optional one-year extensions at the Council´s discretion and subject to the Contract. This procurement follows preliminary market engagement undertaken under UK2 notice 2025/S 000-073888. Participation in that engagement does not confer any advantage in this procurement.