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IL

ILIOS

Construction work · Manchester
Large
Not Provided ↗
Compare peers
Awarded
£10.0bn
Live
2
Buyers
2
12m
£10.0bn
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts2 / 2
  • Top buyers2
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — ILIOSUpdated 06 Jul 2026

At a glance · for buyers and watchdogs

ILIOS has won £10.0bn across 2 public-sector buyers, with 2 live contracts. No active Companies House risk flags.

Why: top buyer UK Atomic Energy Authority at 100% · 33% in Construction work · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
2 of 2Live contracts
100%Top-buyer concentration
33%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.

⚑ Self-reported & from notices

Service tags, sectors served and target geographies appear here once a supplier verifies ownership of this profile.

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 · 2 live · 0 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
STEP Construction Partner
UK Atomic Energy Authority4522000002 Apr 2026£10.0bn3 yrsLive
STEP Construction Partner (CP)
United Kingdom Fusion Energy45200000———Live
Total live value £10.0bn · mean award £5.0bn

Top buyers · 2 buyers · top 3 = 100%

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

✓ From notices
1
UK Atomic Energy Authority
1 contract
100%
since 2026
2
United Kingdom Fusion Energy
1 contract
0%

Category mix

CPV-division share of last-12m awarded value.

✓ From notices
Construction work45
33%
Architecture & engineering71
33%
Financial services66
33%

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
South East2 contracts
100%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). ILIOS highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
IL
ILIOS
No£10.0bn—
MG
M GROUP HIGHWAYS LIMITED
No£117.8m1
GT
Galliford Try Construction Limited
No£66.9m1
AE
AECOM LIMITED
No£14.0m11
EC
ESH CONSTRUCTION LIMITED
Yes£6.5m1
PE
Pellings LLP
Yes£2.8m1
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 31 May 2025
Confirmation statement
Due in -31d
Next due 09 Jun 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.
12625341
Status
Active
Type
Private limited
Incorporated
27 May 2020
Reg. office
90 Northleigh Road, Manchester, M16 0EQ
SIC codes
46190
Last accounts
31 May 2025
Next accounts due
28 Feb 2027

Directors & PSC

  • SOWAH, David Yaw Mensah — director
    Appointed 27 May 2020
  • Mr David Yaw Mensah Sowah — person with significant control
    ownership of shares 75 to 100 percent · voting rights 75 to 100 percent · right to appoint and remove directors

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
ILIOS LTD
12625341 · this company

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