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MI

Mersey Internal Audit Agency

Business services
Large

Mersey Internal Audit Agency (MIAA) is the largest public sector provider of internal audit, anti-fraud, and consultancy services, supporting over 60 organizations including NHS, local authorities, and charities. They focus on improving governance and delivering better outcomes in the public sector.

miaa.nhs.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£16.6m
Live
11
Buyers
12
12m
£421k
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities5
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts11 / 22
  • Top buyers12
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Mersey Internal Audit AgencyUpdated 13 Jul 2026

At a glance · for buyers and watchdogs

Mersey Internal Audit Agency has won £16.6m across 12 public-sector buyers, with 11 live contracts.

Why: top buyer NHS SHARED BUSINESS SERVICES LIMITED at 30% · 100% in Business services · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
No CH recordCompany status
11 of 22Live contracts
30%Top-buyer concentration
100%Category exposure
0Contract modifications
If you're a buyer:CapabilitiesReferencesKPIComplianceWatchdog?FlagsModificationsConcentrationNews

Social value

Commitments mapped to the Government Social Value Model themes.

⚑ Self-reported
—

No social-value commitments yet

Jobs, skills, environmental, inequality and community commitments appear here once a claimed supplier attributes them to awarded contracts, or once we detect them on the supplier’s website.

ESG & policies vault · 0/5

Key governance & sustainability policies. Published documents link out; missing ones are greyed.

↔ Cross-checked
Net-zero planNot provided✓
Modern slavery statementNot provided✓
EDI policyNot provided✓
Anti-briberyNot provided✓
Data protectionNot provided✓

Capabilities

What this supplier does, where they sit, who they sell to.

◐ From website & notices
Sectors served · 2/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 9
Internal AuditAnti-FraudHealthcare Quality & ImprovementConsultancyBusiness Intelligence & Data AnalyticsFinancial RecoveryWorkforce & ODProgramme Management & DeliveryDigital & Cyber
Frameworks & DPS · 5 from notices
  • Internal and External Audit, Counter Fraud and Financial Assurance ServicesNHS SHARED BUSINESS SERVICES LIMITED · £5.0m
  • Audit Services for Health (SBS10517)N H S Shared Business Services · £4.5m
  • ICT Audit ServicesLancashire County Council · £955k
  • DSPT Audit - AwardNHS England · £135k
  • RA349501 - PROVISION OF Counter Fraud Services ON BEHALF OF Shropshire Community Health NHS TrustShropshire Healthcare Procurement Service · £21k

Extracted automatically from miaa.nhs.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies

Delivery stories the supplier has published, with sector and outcome.

⚑ Self-reported
—

No case studies yet

Once a claimed supplier publishes delivery stories — the buyer, the sector, what was delivered and the outcome — they appear here.

Buyer references

Named public-sector contacts who have agreed to act as a reference.

✓ Confirmed by buyer
—

No buyer references yet

Public-sector buyers can confirm they'll act as a reference for this supplier. Confirmed references — with the contract they relate to — show here.

Accreditations & memberships · 1

Credentials listed on the supplier’s website. Not yet checked against issuer registers.

◐ From supplier website
Core credentials · 0/6
Cyber EssentialsNot evidenced✓
Cyber Essentials PlusNot evidenced✓
ISO 27001 — Information securityNot evidenced✓
ISO 9001 — QualityNot evidenced✓
ISO 14001 — EnvironmentalNot evidenced✓
ISO 45001 — Health & safetyNot evidenced✓
Other credentials & memberships · 1
Investors in People Gold Accreditationaward ↗

Extracted automatically from miaa.nhs.uk on Jul 2026. Not independently verified — treat as the supplier’s own marketing claims.

KPI performance

Delivery, budget and satisfaction scores reported quarterly by buyers.

✓ Verified
84

No verified KPI scores yet

Once buyers report contract KPIs — delivery on time, on budget, satisfaction, adoption and accessibility — a weighted grade and breakdown appear here.

Contracts · 11 live · 11 historic

Pulled from Contracts Finder & Find a Tender. Most recent first.

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Audit Services
Fylde Borough Council7921200001 Apr 2026£207k2 yrsLive
The Provision of Counter Fraud Services
N H S Shared Business Services7921240001 Apr 2026£76k3 yrsLive
Audit Services for Health (SBS10517)
N H S Shared Business Services7920000009 Sept 2025£4.5m4 yrsLive
RA349501 - PROVISION OF Counter Fraud Services ON BEHALF OF Shropshire Community Health NHS Trust
Shropshire Healthcare Procurement Service7900000003 May 2025£21k—Closed
Transforming Organisations, Partnerships, and Systems
East Of England NHS Collaborative Hub8000000024 Apr 2024£870k3 yrsLive
Internal Audit and Counter Fraud Services
The Christie NHS Foundation Trust7921220001 Apr 2024£465k3 yrsLive
Internal Audit Services
Cheshire Constabulary on behalf of the Police and Crime Commissioner for Cheshire7921200001 Apr 2024£174k3 yrsLive
Internal Audit Service
Fylde Borough Council7921200001 Apr 2024£191k2 yrsClosed
Statutory & Multi-Specialty Audit Services & Advisory Consultancy Services
East Of England NHS Collaborative Hub7920000029 Jan 2024£3.3m2 yrsClosed
DSPT Audit - Award
NHS England7921220027 Nov 2023£135k4 moClosed
Total live value £6.3m · mean award £756k1–10 of 22

Top buyers · 12 buyers · top 3 = 83%

Share of awarded value. Concentration fires above 40% for any single buyer.

✓ From notices
1
NHS SHARED BUSINESS SERVICES LIMITED
2 contracts
30%
since 2020
2
N H S Shared Business Services
2 contracts
28%
since 2025
3
East Of England NHS Collaborative Hub
4 contracts
25%
since 2024
4
Lancashire County Council
1 contract
6%
since 2018
5
The Christie NHS Foundation Trust
2 contracts
5%
since 2019
6
Fylde Borough Council
2 contracts
2%
since 2024
7
Cheshire Constabulary on behalf of the Police and Crime Commissioner for Cheshire
2 contracts
2%
since 2019
8
NHS England
2 contracts
1%
since 2020
9
Greater Manchester Combined Authority - GMP
2 contracts
1%
since 2023
10
Shropshire Healthcare Procurement Service
1 contract
0%
since 2025

Category mix

CPV-division share of last-12m awarded value. Single-category exposure: 100%.

✓ From notices
Business services79
100%
⚠ Concentration: 100% of recent awarded value sits in a single CPV division. A category-specific downturn would materially affect revenue.

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
London2 contracts
42%
Eastern4 contracts
35%
North West11 contracts
22%
Yorkshire2 contracts
1%
West Midlands1 contract
0%
Region resolved for 72% of awarded value (by buyer postcode); the remainder lacks a usable address.

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Mersey Internal Audit Agency highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
IR
IFF Research
No£10.4m1
AI
Ambition Institute
Yes£9.3m2
SD
School-Led Development Trust
Yes£9.3m2
UC
UCL Consultants Ltd
Yes£9.3m2
DE
Deloitte LLP
No£9.2m2
MI
Mersey Internal Audit Agency
No£421k—
Compare peers →

Red flags · 0 active

Automated scan of Companies House status, charges and insolvency records.

✓ Verified
No Companies House record linked — automated risk checks unavailable.

Compliance scorecard

Derived from Companies House filings — not a full supplier-assurance check.

↔ Cross-checked
No Companies House record linked — statutory compliance checks unavailable.

Modifications

Variations to awarded contracts logged under Procurement Act 2023 s.74.

✓ From notices
±

No modifications recorded

No published contract variations for this supplier. Modification notices appear here as they are issued under the Procurement Act 2023.

News mentions

UK trade press & nationals, matched to this supplier.

◰

No news mentions found

We haven't matched any recent UK press coverage to this supplier. Mentions appear here automatically as they're published.

Companies House

Registered details, directors and PSC.

✓ Live sync
🏛

No Companies House record linked

No Companies House number on file — this supplier may be overseas, a sole trader or a consortium.

Financial

Filed accounts from Companies House.

↔ From Cos House
£

No financial filings on record

Turnover, profit and headcount appear here once audited or micro-entity accounts are filed at Companies House.

Org tree

Group structure and ownership.

↔ From Cos House
—
— · this company

Independent. No parent company or subsidiaries recorded at Companies House for this entity.