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)
Statutory audit of NHS blood and transplant
Statutory Audit of NHS Blood and Transplant
EU agricultural funds
EU Agricultural Funds
EU agricultural funds
EU Agricultural Funds
Audit of EU agricultural funds in wales
Audit of EU Agricultural funds in Wales
Data analytics in support of the UN
Data analytics in support of the UN
Provision of accounting advice
Provision of accounting advice
Academies pension valuation
Academies pension valuation
Central review og GAD 2014-15
Central Review og GAD 2014-15
Outsourced IT element OF national insurance FUND 2014-15
OUTSOURCED IT ELEMENT OF NATIONAL INSURANCE FUND 2014-15
Provision of a contractor to work on NAO audits
Provision of a contractor to work on NAO audits
NERC - LOT 2 framework agreement
NERC - LOT 2 FRAMEWORK AGREEMENT
Framework staff TO support shortfall IN audit staffing OF british library (4 weeks)
FRAMEWORK STAFF TO SUPPORT SHORTFALL IN AUDIT STAFFING OF BRITISH LIBRARY (4 WEEKS)
Valuation services IN support OF NAO'S LACG functions
VALUATION SERVICES IN SUPPORT OF NAO'S LACG FUNCTIONS
Legal services IN support OF NAO'S LACG functions
LEGAL SERVICES IN SUPPORT OF NAO'S LACG FUNCTIONS
Advisory service IN support OF NAOS LACG function
ADVISORY SERVICE IN SUPPORT OF NAOS LACG FUNCTION
Transition TO AND implementation OF NAO'S NEW LACG functions
TRANSITION TO AND IMPLEMENTATION OF NAO'S NEW LACG FUNCTIONS
CLOS audit WORK
CLOS AUDIT WORK
CLOS audit WORK 14-15
CLOS AUDIT WORK 14-15
Printing services
Printing Services
Environmental workplace monitoring and legionella risk assessments
Environmental Workplace Monitoring and Legionella Risk Assessments