Published date: 5 February 2026
Last edited date: 5 February 2026
Awarded contract - This means that the contract has been awarded to a supplier.
Contract summary
Industry
Internal audit services - 79212200
Location of contract
so16 0as
Value of contract
£500,000
Procurement reference
BS.0317
Published date
5 February 2026
Closing date
27 October 2025
Closing time
12pm
Contract start date
1 April 2026
Contract end date
31 March 2028
Contract type
Service contract
Procedure type
Call-off from a framework agreement
A mini-competition or direct purchase from a pre-established framework agreement.
Contract is suitable for SMEs?
Yes
Contract is suitable for VCSEs?
No
Description
The principal service required from this contract is the delivery of specific reviews in the internal audit programme to time and within budget in accordance with the OS internal audit methodology to support the annual Head of Audit and Risk opinion and assurance to the Chief Executive Officer (CEO) and OS Audit & Risk Committee (OSARC) at the end of the financial year.
There is an expectation for the support to be able to respond flexibly and in a timely way to agreed programme changes arising from OS requirements and changed circumstances. In addition, the support will provide advice and skills transfer to OS internal audit on best practice, thought leadership, and up to date technology and techniques and enhancement of OS internal audit methodology.
OS internal audit services are delivered in accordance with the Global Internal Audit Standards (GIAS), associated requirements, standards and the Public Sector Application Note.
The work to be performed will include internal audit reviews, both core operational and specialist focussed , as well as consultancy assignments or any other appropriate audit related services.
The length of the contract will be for two years with the option to extend annually for a further two years (2+1+1). Therefore, if all extensions were taken the full length of the contract will be for four years.
More information
Additional text
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This procurement was completed as a further competition through Lot 1 - Internal Audit and Assurance of the Crown Commercial Services (CCS) Framework RM6310 Audit and Assurance Services Two (A&AS2)
Award information
Awarded date
19 January 2026
Contract start date
1 April 2026
Contract end date
31 March 2028
Total value of contract
£500,000
This contract was awarded to 1 supplier.
Bdo Llp
Address
55 BAKER STREET
LONDON
W1U 7EU
GBReference
Companies House number: 0
Value of contract
£500,000
Supplier is SME?
No
Supplier is VCSE?
No
About the buyer
Contact name
Russell Speight
Address
Explorer House
Adanac Park
Southampton
SO16 0AS
England
Telephone
02380 055212
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Closing: 27 October 2025, 12pm
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