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ID

Integrated Decommissioning Solutions

IT services
Large

Integrated Decommissioning Solutions is a joint venture (associated with Atkins Global/AtkinsRéalis) providing nuclear decommissioning and specialist engineering services in the UK. AtkinsRéalis (formerly Atkins Global) has over six decades of experience working across all aspects of nuclear, providing end-to-end services including consulting, design and engineering, procurement, project and construction management, operations and maintenance, and decommissioning. The company blends innovative technologies, advanced digital tools, and robotics for nuclear waste management and is jointly appointed with WSP as the Major Permissions Delivery Partner for the UK Geological Disposal Facility programme.

atkinsglobal.com ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£77.4m
Live
1
Buyers
3
12m
£29k
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities1
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts1 / 73
  • Top buyers3
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — Integrated Decommissioning SolutionsUpdated 06 Jul 2026

At a glance · for buyers and watchdogs

Integrated Decommissioning Solutions has won £77.4m across 3 public-sector buyers, with 1 live contract.

Why: top buyer CTM Portal for the NDA Shared Services Alliance at 73% · 100% in IT services · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
No CH recordCompany status
1 of 73Live contracts
73%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
Services · 8
Nuclear Decommissioning
Consulting and Advisory
Design and Engineering
Procurement Services
Project and Construction Management
Operations and Maintenance
Robotics and Automation for Nuclear
Radioactive Waste Management
Frameworks & DPS · 1 from notices
  • DDP00733 Calder Hall Turbine Hall B Complex Demolition Enabling WorksSellafield Limited · £258k

Extracted automatically from atkinsrealis.com on Jun 2026. Not independently verified — treat as the supplier’s own marketing claims.

Case studies · 2

Delivery stories from the supplier’s website. Clients are not yet cross-checked against award records.

◐ From supplier website
UK Geological Disposal FacilityJointly appointed with WSP as Major Permissions Delivery Partner for the UK Geological Disposal Facility programme, preparing for geotechnical investigations
ARCTEC Auto-SAS ProjectDeveloping automated systems and robotics in nuclear decommissioning, deployed on NRS Oldbury former nuclear site

Extracted automatically from atkinsrealis.com on Jun 2026. Not independently verified — treat as the supplier’s own marketing claims.

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 · 1 live · 72 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
DDP00780 - Digital Repatriation
Integrated Decommissioning Solutions7231400021 Jul 2025£29k2 moClosed
DDP00763 - RAD Calder R1 Short demolition
Sellafield Limited4511110018 Jun 2025£2.0m9 moClosed
DDP00708 DWSP - Facility
Sellafield Limited9839100027 Sept 2024£1.5m6 moClosed
DDP00761 NGC enabling works
Sellafield Limited9839100009 Sept 2024£446k13 moClosed
DDP00749 - Calder Turbine Hall B Works Portfolio
Sellafield Limited4511110001 Aug 2024£1.0m1.7 yrsClosed
DDP00748 - IIND B204 Building Modifications Design Contract
Sellafield Limited7132200020 May 2024£883k6 moClosed
DDP00747 - RAD Calder enabling works
Sellafield Limited9839100007 May 2024£854k1.9 yrsClosed
DDP00734 - WAGR Temporary Welfare
Sellafield Limited9834100001 Mar 2024£1.1m13 moClosed
DDP00733 Calder Hall Turbine Hall B Complex Demolition Enabling Works
Sellafield Limited4511110001 Mar 2024£258k15 moClosed
DDP00728 - IIND Offsite Testing
Sellafield Limited5123000010 Jan 2024£1.1m3 moClosed
Total live value — · mean award £1.1m1–10 of 73

Top buyers · 3 buyers · top 3 = 100%

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

✓ From notices
1
CTM Portal for the NDA Shared Services Alliance
37 contracts
73%
since 2019
2
Sellafield Limited
34 contracts
26%
since 2018
3
Integrated Decommissioning Solutions
2 contracts
1%
since 2023

Category mix

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

✓ From notices
IT services72
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
North West71 contracts
100%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). Integrated Decommissioning Solutions highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
TC
Topcoat Construction Limited / TCL Group
Yes£67.6m2
IW
Ian Williams
No£67.6m2
WH
Westone Housing
Yes£67.6m2
ER
EQUANS Regeneration Limited
No£67.6m2
CH
C Hanlon Facilities Management Ltd
Yes£67.6m2
ID
Integrated Decommissioning Solutions
No£29k—
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.