Published date: 5 February 2026

Last edited date: 5 February 2026

Awarded contract - This means that the contract has been awarded to a supplier.


Closing: 27 October 2025, 12pm

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

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
GB

Reference

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

Email

Russell.Speight@os.uk