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)
Arts council of england lottery 2018/19
Completion of Planning, Interim Audit and Final Audit for the Arts Council England Lottery's 2018-19 Financial Statements
DVLA trust statement 2018/19
Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the DVLA Business Accounts 2018-19 financial statements
UKHO 2018/19
Completion of a fully ISA-compliant audit and provision of a shadow audit opinion for the C&AG on the UK Hydrographic Office's 2018-19 financial statements
BBC group 2018/19
Financial Audit of the BBC Group
BBC group 2018/19
Financial Audit of the BBC Group
Office of the immigration services comissioner
Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the OISC 2018-19 financial statements.
Office for legal complaints 2018/19
Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the Office for Legal Complaints 2018-19 financial statements.
Office of the information commissioner 2018/19
Completion of Planning, Interim Audit and Final Audit for the Office of the Information Commissioner's 2018-19 Financial Statements
Legal services board 2018/19
Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the Legal Services Board 2018-19 financial statements.
AP campaign
Temporary Financial Audit Staff
Wilton park 2018/19
ompletion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the Wilton Park 2018-19 financial statements.
Complete set deloite auditing standards for whole office
Complete set Deloitte Auditing Standards for whole office
PCPF 2018-19
Completion of a fully ISA compliant audit and provision of a shadow audit opinion (including regularity) for the C&AG on the Parliamentary Contributory Pension Fund 2018-19 account
Academies sector report 2016/17
Actuarial support for pensions valuations.
Facilities bomb proof film
Installation of bomb proof film on windows
Microsoft EA
Microsoft EA Computer Maintenance
IT consultancy testing circle
Recruiting Temporary business analyst
Valuation office agency
Valuation Office Agency-inward secondee costs
HCM+
Cloud based HR System
Audit of DSTL 2018/19
Audit of DSTL 2018/19