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SIA PARTNERS UK PLC

London
SME

SIA Partners UK PLC is a consulting firm that helps clients navigate transformation across various sectors, including strategy, management, and technology.

sia-partners.com ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£3.7m
Live
13
Buyers
12
12m
—
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities1
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts13 / 20
  • Top buyers12
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — SIA PARTNERS UK PLCUpdated 06 Jul 2026

At a glance · for buyers and watchdogs

SIA PARTNERS UK PLC has won £3.7m across 12 public-sector buyers, with 13 live contracts. No active Companies House risk flags.

Why: top buyer N H S Shared Business Services at 82% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
13 of 20Live contracts
82%Top-buyer concentration
—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
Services · 2
Actuarial & Quantitative ServicesBusiness Transformation
Frameworks & DPS · 1 from notices
  • Consultancy and Advisory Services for HealthN H S Shared Business Services · £3.0m

Extracted automatically from sia-partners.com 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

Independently issued. Verification dates cross-checked against issuer registers.

↔ Cross-checked
—

No accreditations recorded

B-Corp, ISO, Cyber Essentials, Living Wage and similar credentials appear here once added by a claimed supplier and cross-checked against the issuing register.

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 · 13 live · 7 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Consultancy and Advisory Services for Health
N H S Shared Business Services7941100018 Mar 2024£3.0m4 yrsLive
Provision of an expert in benefits measurements as Consultant for Ofgem's Strategic Innovation Fund.
UK SHARED BUSINESS SERVICES LIMITED7200000008 May 2023£47k12 moClosed
Energy and Economic Services and Advice Framework Agreement
Ofgem7131400001 Sept 2022£346k4 yrsLive
Ofwat Consultancy Framework
The Water Services Regulation Authority7180000028 Jun 2021£138k3 yrsClosed
Part 1: Connection charges for Developer Services in England - Root Cause Analysis (P&O)
The Water Services Regulation Authority7941100018 Dec 2020£38k3 moClosed
Insights Project - Developing Insights Matrix of Company Issues
The Water Services Regulation Authority7941100009 Dec 2019£10k2 moClosed
Lot 1 - Roles 1 and 2 - Three Individuals to Provide Strategy Development and Policy Roles
The Water Services Regulation Authority7941100025 Feb 2019£46k1 moClosed
Interim Support with In-Period Outcome Delivery Incentives (ODI) Determinations
The Water Services Regulation Authority7940000024 Sept 2018£40k2 moClosed
Economic, Financial and Related Consultancy Services Framework to UK Regulatory and Public Bodies
Ofgem7941100001 Sept 2015—3 yrsClosed
Award of Framework Agreement for Environmental Partners
City & County of Swansea80540000———Live
Total live value £3.4m · mean award £185k1–10 of 20

Top buyers · 12 buyers · top 3 = 99%

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

✓ From notices
1
N H S Shared Business Services
1 contract
82%
since 2024
2
Ofgem
3 contracts
9%
since 2015
3
The Water Services Regulation Authority
6 contracts
7%
since 2018
4
UK SHARED BUSINESS SERVICES LIMITED
1 contract
1%
since 2023
5
City & County of Swansea
1 contract
0%
6
CADENT GAS LIMITED
1 contract
0%
7
NORTHERN GAS NETWORKS LIMITED
2 contracts
0%
8
YORKSHIRE WATER SERVICES LIMITED
1 contract
0%
9
Department for the Economy
1 contract
0%
10
UNITED UTILITIES WATER LIMITED
1 contract
0%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
London3 contracts
52%
West Midlands7 contracts
41%
South West1 contract
7%
Wales1 contract
0%
Yorkshire3 contracts
0%
Northern Ireland1 contract
0%
North West1 contract
0%
Scotland1 contract
0%
South East1 contract
0%
Region resolved for 18% of awarded value (by buyer postcode); the remainder lacks a usable address.

Peers

Suppliers with overlapping CPVs & buyers (last 24m). SIA PARTNERS UK PLC highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
ME
Meridiam
No£2.0bn2
DE
Deloitte LLP
No£339.5m6
PC
PA Consulting
No£150.0m1
CU
CAPGEMINI UK PLC
No£33.8m2
IS
Influential Software Services
Yes£30.0m1
SP
SIA PARTNERS UK PLC
Yes——
Compare peers →

Red flags · 0 active

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

✓ Verified
✓ Clean. No active risk signals from Companies House status, charges or insolvency records.

Compliance scorecard

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

↔ Cross-checked
Trading status
Active
Live at Companies House
Annual accounts
Up to date
Last made up to 30 Jun 2025
Confirmation statement
Up to date
Next due 12 Aug 2026
Outstanding charges
0
No charges registered
Insolvency history
None
No insolvency cases registered
Certifications (ISO, Cyber Essentials, Living Wage, B-Corp, modern-slavery) are supplier self-reported and appear once a claimed profile adds them.

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

Live sync — registered details, directors, PSC and SIC codes.

✓ Live sync

Registered details

Company no.
05884769
Status
Active
Type
Public limited
Incorporated
24 Jul 2006
Reg. office
4th Floor 90 Bartholomew Close, London, EC1A 7EB
SIC codes
82990
Last accounts
30 Jun 2025
Next accounts due
31 Dec 2026

Directors & PSC

  • O'SULLIVAN, Gary — director
    Appointed 30 Apr 2022
  • COURTECUISSE, Matthieu — director
    Appointed 13 Sept 2013
  • ROCAFULL, Thomas — director
    Appointed 13 Sept 2013
  • LONDON LAW SECRETARIAL LIMITED — corporate nominee secretary
    Appointed 24 Jul 2006
  • Mr Matthieu Courtecuisse — person with significant control
    ownership of shares 50 to 75 percent · voting rights 50 to 75 percent

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
SIA PARTNERS UK PLC
05884769 · this company

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