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)
PO-000619 - legal services board
PO-000619 - Legal services board
PO-000617 - office of the public guardian
PO-000617 - Office of the Public Guardian
PO-000616 - office of the public guardian
PO-000616 - Office of the Public Guardian
Office for legal complaints
Office For Legal Complaints
Audit of the office of the immigration services comissioner
Audit of the Office of the Immigration Services Comissioner
UK export finance - audit 2017 - 1st fee note per billing schedule
UK Export Finance - Audit 2017 - 1st fee note per billing schedule
Standard rated: contracted out audit services for the audit of UK export finance
Standard Rated: Contracted out audit services for the audit of UK Export Finance
PO-000547 - performance of financial audit of the planning inspectorate financial statements for 2017-28
PO-000547 - Performance of financial audit of the Planning Inspectorate financial statements for 2017-28
PO-000546 - performance of financial audit of the planning inspectorate financial statements 2016/17
PO-000546 - Performance of financial audit of the Planning Inspectorate financial statements 2016/17
CLOS audit fees 2005-2016
CLOS Audit Fees 2005-2016
Payment to deloitte for PPF audit
Payment to Deloitte for PPF Audit
Gambling commission contracted out audit
Gambling Commission contracted out audit
Gambling commission audit 2016-2017
Gambling Commission Audit 2016-2017
Advisory service in support of NAOS LACG function
Advisory Service in Support of NAOS LACG Function
Legal services in support of NAOS LACG functions
Legal Services in support of NAOS LACG Functions
Valuation services in support of NAOS LACG functions
Valuation Services in support of NAOS LACG Functions
Data analytics in support of GA report on UN volume 1
Data analytics in support of GA report on UN Volume 1
Provision of staff for financial audit 2015/16
Provision of staff for financial audit 2015/16
Central review of GAD 2015/16
Central Review of GAD 2015/16
Audit of NRAM reserves at 29 april 2016
Audit of NRAM reserves at 29 April 2016