Buyer profile
National Audit Office
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Total contracts
443
Known spend
£222m
418 disclosed
Average value
£530,828
Per contract
Active suppliers
10
Last 5 years
Top suppliers
Last 5 years- 1
KPMG LLP
£14m
- 2
DELOITTE LLP
£18m
- 3
ERNST & YOUNG LLP
£10m
- 4
GRANT THORNTON UK LLP
£7m
- 5
PRICEWATERHOUSECOOPERS LLP
£7m
- 6
Phoenix Software Limited
2 winslatest 20 Aug 2026£6m
- 7
FORVIS MAZARS LLP
£6m
- 8
XMA Ltd
2 winslatest 08 Dec 2025£6m
- 9
Ipsos (Market Research) Limited
2 winslatest 24 Dec 2025£684,809
- 10
Success at School Ltd
2 winslatest 20 May 2026£34,200
What they buy
By CPV categoryBusiness servicesCPV 79
297 contracts · £158m
IT servicesCPV 72
52 contracts · £33m
SoftwareCPV 48
13 contracts · £1m
Financial & insuranceCPV 66
13 contracts · £398,215
Architectural & engineeringCPV 71
8 contracts · £323,260
Education & trainingCPV 80
7 contracts · £911,000
Office & computing equipmentCPV 30
6 contracts · £2m
Radio, TV & telecomsCPV 32
6 contracts · £584,752
Renewal radar
Awarded contracts predicted to come up for re-tender in the next 18 months
- Success at School Apprentice Campaign 2026/2027
Predicted using median duration of UK contracts in the same CPV division (11 months from contract start date → renewal expected by Jun 2027).
Jun 2027
40% confident
- CPT_23_63 Asset Valuation
Predicted using median duration of past contracts from this buyer in the same CPV division (47 months from contract start date → renewal expected by Dec 2027).
Dec 2027
60% confident
Tender activity
Notices published per month — last 24 months
All contracts (443)
Export credits guarantee department 2018-19
Export Credits Guarantee Department 2018-19 Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the ECGD 2018-19 financial statements.
UK statistics Authority2018-19
Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the UK Statistics Authority 2018-19 financial statements.
Legal services
Legal Fees associated with the sub-letting of BPR
Softcat plc
Software Asset Management system. hosted in the Cloud. manages and reports on the software assets
Softcat plc
Supply of Vulnerability scanning services, alerting the NAO when software applications may be vulnerable to a malicious attack
Probrand ltd
Framework to allow the purchase of low level IT items via a catalogue
Gamma telecom ltd
Provision of Telephony Services
Silversands ltd
To provide assistance in designing a suitable administration model for the purposes of securing resources within Active Directory and Office 365 in alignment with any consideration
HMRC IT audit 2017/18 extension
HMRC IT Audit 2017/18 Extension
HMRC IT audit 2018/19 - 2020/21
HMRC IT Audit 2018/19 - 2020/21
DWP resource account MVFE audit SAS code - 2018/19
DWP Resource Account Audit
Consumer council for water 2018-19
Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the Consumer Council for Water 2018-19 financial statements.
Nhsps audit
staffing shortage on key audit, temporary staff required to assist. For consistency purposes same temp worker who assisted last year will be returning. Fosters strong relationship
Temp accounts assistant
approved temp to assist with accounts
Welsh bodies 2018/19
Delivery of contracted out financial statement audits in accordance with Practice Note 10 (PN 10): Audit of financial statements of public sector bodies in the United Kingdom (2016
Medicines and healthcareproducts regulatory agency 2018/19 to 2020/21
Completion of fully ISA compliant audits and provision of shadow audit opinions for the C&AG on the Medicines and Healthcare Products Regulatory Agency's financial statements for t
Sports bodies 2018/19
Completion of Planning, Interim Audit and Final Audit for the Sports Bodies 2018-19 Financial Statements
Arts council england GIA 2018/19
Completion of Planning, Interim Audit and Final Audit for the Arts Council England GIA's 2018-19 Financial Statements
Gambling commission 2018/19
Completion of Planning, Interim Audit and Final Audit for the Gambling Commission's 2018-19 Financial Statements
Big lottery fund 2018/19
Completion of Planning, Interim Audit and Final Audit for the Big Lottery Fund's 2018-19 Financial Statements