System operational · UK tenders

Buyer profile

National Audit Office

otherNorth East,North West,Yorkshire and The Humber,East Midlands,West Midlands,East of England,London,South East,South West,Scotland,Wales,Northern IrelandwalesGB

Get alerts when National Audit Office publishes a new tender — 7-day free trial, then £4.99/month.

Total contracts

443

Known spend

£222m

418 disclosed

Average value

£530,828

Per contract

Active suppliers

10

Last 5 years

Open0Awarded405Closed35

Top suppliers

Last 5 years
  1. 1

    KPMG LLP

    4 winslatest 14 Jul 2026CH OC301540

    £14m

  2. 2

    DELOITTE LLP

    3 winslatest 14 Jul 2026CH OC303675

    £18m

  3. 3

    ERNST & YOUNG LLP

    3 winslatest 14 Jul 2026CH OC300001

    £10m

  4. 4

    GRANT THORNTON UK LLP

    2 winslatest 25 Feb 2026CH OC307742

    £7m

  5. 5

    PRICEWATERHOUSECOOPERS LLP

    2 winslatest 25 Feb 2026CH OC303525

    £7m

  6. 6

    Phoenix Software Limited

    2 winslatest 20 Aug 2026

    £6m

  7. 7

    FORVIS MAZARS LLP

    2 winslatest 25 Feb 2026CH OC308299

    £6m

  8. 8

    XMA Ltd

    2 winslatest 08 Dec 2025

    £6m

  9. 9

    Ipsos (Market Research) Limited

    2 winslatest 24 Dec 2025

    £684,809

  10. 10

    Success at School Ltd

    2 winslatest 20 May 2026

    £34,200

What they buy

By CPV category
  • Business 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

2 forecast
  • 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

15 active months
N
D
J
F
M
A
M
J
J
A
S
O
N
D
J
F
M
A
M
J
J
A
S
O

All contracts (443)

N
86c02110-43e9-42b7-9de5-c0e7bebc8798 · tender

NAO case management solution for financial audits

National Audit Office
servicesLondonSME friendly

Text to be corrected in the original notice: Instead of: 15.00 on 20/01/21: https://nao.zoom.us/webinar/register/WN_nFYKdfxcShuT7Wep0xLFrg Read: Please note that an amendment has b

£Up to £8,000,000
⏱ 12 Mar 2021
Posted · 70mo agoView details →
N
5bbfdd31-5d9c-4525-99c1-2e437184be8a · tenderAmendment

GEN_20_22 - financial audit and assurance services

National Audit Office
servicesSME friendly

Text to be corrected in the original notice: Place of text to be modified: II.2.14 Instead of: This tender will be divided into lots. More information will be given at supplier day

£Up to £33,000,000
⏱ 22 Feb 2021
Posted · 71mo agoView details →
N
386f2baa-fe00-40c8-830c-b0c131cdc2cf · tender

GEN_20_28 the provision of legal services: constitutional and public law and local public audit law

National Audit Office
servicesLondonSME friendly

Legal advice for Constitutional and Public Law and Local Public Audit Law. This tender has been divided into two lots. Lot 1: Constitutional and Public Law Lot 2: Local Public Audi

£Up to £1,885,000
⏱ 26 Nov 2020
Posted · 72mo agoView details →
N
22d3b217-e080-485e-8fc3-052b094d9656 · tenderAmendment

Trainers & coached faculty framework

National Audit Office
servicesLondonSME friendly

Text to be corrected in the original notice: Place of text to be modified: I.1) Instead of: National Audit Office 157-197 Buckingham Palace Road, London, SW1W 9SP, United Kingdom T

£Up to £400,000
⏱ 1 Oct 2020
Posted · 74mo agoView details →
N
82282109-e3ff-4890-bbec-a9896bce7326 · tender

Gb-london: GEN_20_15 - road expert

National Audit Office
servicesLondonSME friendly

The National Audit Office is looking to obtain the view of an independent expert with civil engineering costing expertise, in respect of the appropriateness of costing rates for di

££10,000 — £25,000
⏱ 24 Mar 2020
Posted · 80mo agoView details →
N
6feb8e6b-8555-46a1-a5d4-0c96c4896e1d · tender

Gb-london: GEN_20_14 - road network structures engineering expert 2020

National Audit Office
servicesLondonSME friendly

The National Audit Office is looking to obtain an independent expert view from an organisation with civil engineering expertise to assist us in evaluating the appropriateness of Hi

££10,000 — £25,000
⏱ 24 Mar 2020
Posted · 80mo agoView details →
N
48af7547-5b8a-410c-a6d1-719645bd7b50 · award

Water services regulation authority 2019-21 grant thornton

National Audit Office
servicesSME friendly

Outsourced audit of Water Services Regulation Authority 2019-20 and 2020-21; full financial statements audits. Completion of fully ISA compliant audits and provision of shadow audi

£Up to £120,000
⏱ 1 Oct 2019
Posted · 83mo agoView details →
N
dcdf5617-c278-49c6-a262-dc41628a0d10 · award

Independent office for police conduct 2019-20 and 2020-21 BDO

National Audit Office
servicesSME friendly

Completion of a fully ISA compliant audit and provision of a shadow audit opinion of the C&AG on the Independent Office for Police Conduct 2019-20 financial statements and 2020-21

£Up to £98,400
⏱ 1 Oct 2019
Posted · 83mo agoView details →
N
30eb71f6-895a-4d1a-a502-28d8427234a1 · award

National maritime museum 2019-21 grant thornton

National Audit Office
servicesSME friendly

Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the NMM 2019-20 financial statements and the NMM 2020-21 financial statements. To

£Up to £105,600
⏱ 4 Oct 2019
Posted · 83mo agoView details →
N
f3ac6f94-7f63-4d02-9321-f75c72ef79ca · award

Criminal cases review commission 2019-2021 BDO

National Audit Office
servicesSME friendly

Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the Criminal Cases Review Commission 2019-20 financial statements and the Criminal

£Up to £49,800
⏱ 2 Aug 2019
Posted · 83mo agoView details →
N
1b00be65-f65f-42d1-8ecc-77e694da0515 · award

NS&I resource accounts 2019-21

National Audit Office
servicesSME friendly

Financial Audit - NS&I Resource Accounts 2018-19 Additional information: Contract extended for 2 years

£Up to £148,000
⏱ 1 Oct 2019
Posted · 83mo agoView details →
N
b15a0e46-6559-4e64-b722-53a2dfb366a9 · award

NS&I consolidated product accounts 2019-21

National Audit Office
services

Audit of NS&I Consolidated Product Accounts 2018/19 Additional information: Contract Extended by one year

£Up to £800,000
⏱ 1 Oct 2019
Posted · 83mo agoView details →
N
b1009b90-0f6b-43b8-af57-dcf5752ca644 · award

Monitoring

National Audit Office
servicesSME friendly

Press Office Media Monitoring Contracts

£Up to £132,160
⏱ 30 Jul 2014
Posted · 83mo agoView details →
N
762f6b14-b087-42dd-8959-17dbd0102d51 · award

Office of the public guardian 2019-20 BDO

National Audit Office
services

Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the Office of the Public Guardian 2019-20 financial statements. To include a regul

£Up to £60,000
⏱ 1 Aug 2019
Posted · 83mo agoView details →
N
ed2d2094-53b7-463b-bc1a-5f4453c1d6c6 · award

Legal services board 2019-21 BDO

National Audit Office
services

Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the Legal Services Board 2019-20 financial statements and the Legal Services Board

£Up to £39,000
⏱ 1 Aug 2019
Posted · 83mo agoView details →
N
c50c3477-190d-49ee-9166-ddaed0bf9e4a · award

Office for legal complaints 2019-21 BDO

National Audit Office
services

Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the Office for Legal Complaints 2019-20 financial statements and the Office for Le

£Up to £63,000
⏱ 1 Aug 2019
Posted · 83mo agoView details →
N
c69d1cec-f08c-42bc-bb02-63c223ddbc26 · award

Office of the information commissioner 2019-20 and 2020-21 BDO

National Audit Office
services

Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the Office of the Information Commissioner 2019-20 and 2020-21 financial statement

£Up to £64,000
⏱ 30 Sept 2019
Posted · 83mo agoView details →
N
abe5b8a6-e92b-460a-bc0d-d30bf1856a74 · award

Financial audit frameworks 2019 bundle 5 museums and galleries

National Audit Office
services

Delivery of the financial statements audits for the 2019-20 and 2020-21 audit cycles for the following bodies: Tate Gallery - British Museum - National Museums Liverpool - The Roya

£Up to £1,036,800
⏱ 30 Sept 2019
Posted · 83mo agoView details →
N
550452b1-6329-4fcf-9c3f-e1798b7cfb85 · award

Centre for environment, fisheries and aquaculture science 2019-21 BDO

National Audit Office
services

Completion of a fully ISA compliant audit and provision of a shadow audit opinion for the C&AG on the Centre for Environment, Fisheries and Aquaculture Science 2019-20 and 2020-21

£Up to £108,000
⏱ 1 Aug 2019
Posted · 83mo agoView details →
N
fd1550ce-89fd-45ae-aec1-1deea50536f7 · award

Financial audit frameworks 2019 bundle 7 culture, media and sport

National Audit Office
services

Audit of the financial statements of the following bodies for the 2019-20 and 2020-21 audit cycles: - Arts Council of England (Lottery and grant-in-aid accounts) - British Film Ins

£Up to £1,237,920
⏱ 26 Sept 2019
Posted · 84mo agoView details →