External Supplier Audit (Lot 1 & Lot 2)

CALEDONIAN SLEEPER LIMITED

This public procurement record has 1 release in its history.

Tender

10 Jun 2026 at 00:00

Summary of the contracting process

Caledonian Sleeper Limited is currently in the tender stage of a procurement process aimed at securing independent audit and assurance services. This process, titled "External Supplier Audit (Lot 1 & Lot 2)," targets the Transport/Rail industry category and spans locations across the UK. The procurement method used is a restricted procedure, which involves selective tender bidding. Interested suppliers need to submit their electronic proposals by 11:00 AM on 13th July 2026. With a focus on services, the procurement is managed by Caledonian Sleeper Limited, based in Inverness, Scotland, and provides a structured opportunity for qualifying suppliers to deliver audit services related to the company's operations and partnerships.

This tender presents significant business growth opportunities for firms specialising in audit and risk management services, particularly those with experience in rail transport operations. The contract is split into two lots, both requiring a thorough assessment of operational, engineering, and governance controls within the rolling stock maintenance and supply chain, as well as the interfaces between Caledonian Sleeper Limited and GB Railfreight. Firms with the capability to conduct structured, risk-based audits and those well-versed in maintaining high safety and operational standards are especially suited to compete. Companies have the flexibility to bid for one or both lots, with a possible contract duration extending to four years under certain conditions, underpinning long-term strategic partnerships.

How relevant is this notice?

Notice Title

External Supplier Audit (Lot 1 & Lot 2)

Notice Description

Caledonian Sleeper Limited (CSL) is seeking to appoint a suitably qualified provider(s) to deliver independent audit and assurance services across two distinct but related requirements.

Lot Information

Supplier Audit Programme - Lot 1

This Lot covers the delivery of independent, risk-based supplier audits across CSL's rolling stock maintenance and materials supply chain. The appointed supplier will undertake two structured audits across key supplier sites, CAF and Alstom. Assessing operational, engineering and governance controls, including compliance with contractual, regulatory and ethical requirements.

Renewal: 24 months fixed with option to extend for additional 12 months

CSL / GBRf Joint Interface Audit Lot 2

This Lot covers the delivery of an independent joint audit between CSL and its traction provider, GB Railfreight (GBRf). The audit will assess the effectiveness of operational, engineering and safety-critical interfaces between both organisations, ensuring risks are appropriately managed in a shared operating environment.

Renewal: 12 months with an option to extend for additional 12 months

Publication & Lifecycle

Open Contracting ID
ocds-r6ebe6-0000834384
Publication Source
Public Contracts Scotland
Latest Notice
https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=JUN557733
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
PCS Notice - Website Contract Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Selective
Procurement Method Details
Restricted procedure
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

79 - Business services: law, marketing, consulting, recruitment, printing and security


CPV Codes

79212000 - Auditing services

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
10 Jun 20262 weeks ago
Submission Deadline
13 Jul 20263 weeks to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
Not specified - Not specified
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Contracting Authority (Buyer)

Main Buyer
CALEDONIAN SLEEPER LIMITED
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
INVERNESS
Postcode
IV1 1PP
Post Town
Inverness
Country
Scotland

Major Region (ITL 1)
TLM Scotland
Basic Region (ITL 2)
TLM2 Highlands and Islands
Small Region (ITL 3)
TLM20 Highlands and Islands
Delivery Location
Not specified

Local Authority
Highland
Electoral Ward
Inverness Central
Westminster Constituency
Inverness, Skye and West Ross-shire

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

JSON Markdown

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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