Buyer profile
National Audit Office
Get alerts when National Audit Office publishes a new tender — 7-day free trial, then £4.99/month.
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)
Support staff for network rail audit
Support Staff for Network Rail Audit
Financial audit
Financial Audit
Provision of external audit services 2015-16 for DVSA
Provision of external audit services 2015-16 for DVSA
Insolvency service agency account 14/15 audit
Insolvency Service Agency Account 14/15 Audit
Provision of technical accounting advice on the application of IAS 28 exemptions
Provision of technical accounting advice on the application of IAS 28 exemptions
EU agricultural funds in northern ireland - eafrd closure account
EU Agricultural Funds in Northern Ireland - EAFRD Closure account
EU agricultural funds in wales eafrd closure account
EU Agricultural Funds in Wales EAFRD Closure Account
EU agricultural funds in scotland-eafrd closure account
EU Agricultural Funds in Scotland-EAFRD Closure account
Contracted out audit of the valuation tribunal service 2015-16
Contracted Out Audit of the Valuation Tribunal Service 2015-16
Contracted out auditors of the technology strategy board
Contracted Out Auditors of the Technology Strategy Board
Audit of the 2015-16 annual report accounts
Audit of the 2015-16 Annual Report Accounts
Audit for lot 1 for the center of environment fisheries and aquaculture
Audit for Lot 1 for the Center of Environment Fisheries and Aquaculture
Contracted out audit service for UK export finance
Contracted out audit service for UK Export Finance
Financial audit of penshion schemes 2015-16
Financial audit of Penshion Schemes 2015-16
Audit of UK statistics authority 2015/16
Audit of UK Statistics Authority 2015/16
Contracted-out financial audit of the ukaea pension schemes
Contracted-out financial audit of the UKAEA Pension Schemes
Completion of fieldwork on 2015/15 financial audit of arts council northern ireland lottery distrib
Completion of fieldwork on 2015/15 financial audit of Arts Council Northern Ireland Lottery Distrib
2015/16 Financial audit of independent living fund
2015/16 Financial Audit of Independent Living Fund
MOD IT audit support
MOD IT Audit Support
Statutory audit of care quality commission
Statutory audit of Care Quality Commission