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)
Audit of the financial statements for V & A 2015/16
Audit of the Financial Statements for V & A 2015/16
Audit of national savings and investments product accounts 2015/16
Audit of National Savings and Investments Product Accounts 2015/16
Audit of national savings and investments resource accounts 2015/16
Audit of National Savings and Investments Resource Accounts 2015/16
HMRC audit: provisions and contingent liabilities form legal cases
HMRC Audit: provisions and contingent liabilities form legal cases
Review of my CSP remuneration report model
Review of My CSP Remuneration Report model
Parliment financial audit services
Parliment Financial Audit Services
Financial audit home affairs and justice
Financial Audit Home Affairs and Justice
Audit of natural history museum 2015/16
Audit of Natural History Museum 2015/16
Audit of the arts council england - grant in aid accounts 2015/16
Audit of the Arts Council England - Grant in Aid Accounts 2015/16
Audit of the arts council lottery accounts 2015/16
Audit of the Arts Council Lottery Accounts 2015/16
Audit of teachers pensions resource account 2015/16
Audit of Teachers Pensions Resource Account 2015/16
Audit of armed forces pension scheme resource account 2015/16
Audit of Armed Forces Pension Scheme Resource Account 2015/16
Audit of NHS pensions resource accounts 2015/16
Audit of NHS Pensions Resource Accounts 2015/16
Audit environment agency closed pension fund 2015/16
Audit Environment Agency Closed Pension Fund 2015/16
Audit of environment agency active pension fund
Audit of Environment Agency Active Pension Fund
Pensions award testing royal mail audit
Pensions award testing Royal Mail audit
Interim audit testing
Interim Audit Testing
Audit of TPR levies
Audit of TPR levies
Pension protection fund contacted out audit (DWP)
Pension Protection Fund Contacted Out Audit (DWP)
Pension onbudsman contracted out audit
Pension Onbudsman Contracted Out Audit