RFP QuestBeta
OpenStage · planning

Transport for the North

NorTMS External Audit Services

Business ServicesCPV 79212000
Value£300k
Deadline
Published22 May 2026
RegionNationwide
Who to contact
Emily Molden
emily.molden@transportforthenorth.com

The procurement contact named on the official notice.

Contract value in context
£300ktotal contract value
median £66k
this tender£0£1.6m

This is a large award for Business Services — above three-quarters of comparable contracts. Based on 57,319 valued Business Services tenders in our corpus.

When this comes round again

Transport for the North publishes Business Services work continuously — 9 notices, roughly one every 27 days. This is a stream to watch, not a cycle to wait for.

36% of Transport for the North’s awards go to a supplier it has used before.

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The brief

The NorTMS Audit is to undertake audits as required of the Northern Transport Modelling System (NorTMS), a Cube-based VDM with a focus on intercity rail in the North of England.

These will be required on a call-off basis when a stable model release is available.

After each audit the supplier will be expected to provide an audit report with recommendations for areas requiring improvement.

This will be subject to a one+one+one year call-off basis.

TfN requires a supplier who is an expert CUBE model reviewer with competent Python skills as some elements of NorTMS are coded in Python, and who has not worked with NorTMS or related to any TfN framework directly involved in NorTMS, unless the work that was delivered relates to the audit of NorTMS.

The scope of work required for each NorTMS audit underpins the following objectives: •Provision of a full audit of all NorTMS inputs and outputs with the aim of instilling confidence in NorTMS for its use in modelling works and supporting business cases. •A review of each version of NorTMS following model updates and improvements prior to implementation on programme. •To understand the fitness for purpose of NorTMS in its use for assessing schemes for Northern Powerhouse Rail (NPR). •Production of a comprehensive audit report giving a RAG rating of all the model elements reviewed. •A final report comprising of a plain English summary of issues identified (for a general audience) and a detailed technical report (for a modelling audience) with potential recommendations for areas requiring improvement, an outline of best practices in CUBE and the application of CUBE as a modelling tool.

For more information about this opportunity, please visit the eSourcing portal at: https://www.delta-esourcing.com/tenders/UK-UK-Manchester:-Technical-analysis-or-consultancy-services./37Z364B3KV To respond to this opportunity, please click here: https://www.delta-esourcing.com/respond/37Z364B3KV

Requirements

What the notice asks for

01

After each audit the supplier will

After each audit the supplier will be expected to provide an audit report with recommendations for areas requiring improvement.

Sentences from the notice that state an obligation, surfaced automatically and shown in the order they appear. Not an exhaustive list — always confirm against the tender documents.

What this bid requires

Skills, tools & certifications

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Source & provenance
OCID
ocds-h6vhtk-06a1d3
Stage
planning · Planning
Source
Find a Tender
Buyer ref
048097-2026
View the original notice on Find a Tender

Contains public sector information licensed under the Open Government Licence v3.0. Source data © Crown copyright.

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