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)
Marketing of vacant floors
Marketing of Vacant Floors at BPR
Academies sector report 2016/17
Provision of land and buildings valuation expertise to review and report on the work of the Department for Education's valuers, as set out in the work order.
Complete set of accounting standards and GAAP
Complete set Accounting Standards and GAAP for whole office
CSL annual subscription fee
Access for all NAO employees to Civil Service Learning's training
HCM+
Cloud based HR System
Internet lines
Internet Lines
Firewall & proxy support
Firewall and Proxy support
Client base surveys
Client Based Surveys
Service desk
IT Service Desk Management
NS&I resource accounts 2018-19
Financial Audit - NS&I Resource Accounts 2018-19
NS&I consolidated product accounts 2018-19
Audit of NS&I Consolidated Product Accounts 2018/19
DVLA
Audit of the business Accounts 2018/19
Payroll
Payroll Services
SPSS support
SPSS Support
DS laptop refresh 2017/18
Supply of up to 1000 HP Laptops, including bonding and delivery. Options to image the machines is also included
Legal services
Providing Legal Advice
Imperial war museum 2018/19 audit
Audit of the Financial Statement for the Imperial War Museum 2018/19
Enders analysis
Enders Analysis Audit Software
AWS data lake proof of concept
support and build of a Proof of Concept Data Lake
External relations review
External relations review