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)
Gb-london: Gen_17_14 parliamentary monitoring service
NOTE: This notice was updated on 08 October 2018 for the following reason: Low value contract - correction made to estimated yearly value(The National Audit Office (NAO) audits cen
External quality reviews
As part of its quality assurance arrangements the NAO commission's independent quality assurance reviews of the technical rigour, methodological robustness, quality of argumentatio
External audit services
The Contractor will deliver the following services: financial audits of the NAO's Annual Report and Accounts, commencing the financial years ending 31 March 2020, 2021 and 2022 rev
Provision of contractor 2015/16
Provision of Contractor 2015/16
Audit temp
Audit Temp
Temp auditor feb - may 2016
Auditor Feb - May 2016
Financial force refresh
Financial Force Refresh
Redfern travel
Redfern Travel
External quality reviews
As part of its quality assurance arrangements the NAO commission's independent quality assurance reviews of the technical rigour, methodological robustness, quality of argumentatio
Local government consultation and engagement
Local Government Consultation and Engagement
Brand photography and video work
Brand photography and video work
External review of internal audit self assessment
External review of internal audit self assessment
Scenario thinking and planning
Scenario Thinking and Planning
Support to the NAO to conduct a forensic audit
Support to the NAO to conduct a forensic audit
E-recruitment
e-Recruitment
Legal services
The NAO does not have an in-house legal team. We are seeking to appoint experienced advisors who possess a sound track record of providing legal services of the type set out in the
Digital experts
Digital Experts
Fully managed payroll service
Fully Managed Payroll Service
Life insurance
Life Insurance
PO-000623 - criminal cases review commission
PO-000623 - Criminal Cases Review Commission