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CI

CALDER INDUSTRIAL MATERIALS LIMITED

Chester
SME

Calder Industrial Materials Limited specializes in precision-engineered lead solutions, including radiation shielding products for various sectors such as nuclear, healthcare, industrial, defence, and building.

calderlead.co.uk ↗

Summary from the supplier’s website — unverified

Compare peers
Awarded
£2.3m
Live
3
Buyers
4
12m
£1.9m
At a glance
  • Quick answer
Profile
  • Social value
  • ESG & policies
  • Capabilities1
  • Buyer references
  • Accreditations
Track record · verified
  • KPI performance
  • Contracts3 / 9
  • Top buyers4
  • Category mix
  • Geography
  • Peers5
Trust & risk
  • Red flags0
  • Compliance
  • Modifications
  • News
Company
  • Companies House
  • Financial
  • Org tree
Quick answer — CALDER INDUSTRIAL MATERIALS LIMITEDUpdated 27 Jul 2026

At a glance · for buyers and watchdogs

CALDER INDUSTRIAL MATERIALS LIMITED has won £2.3m across 4 public-sector buyers, with 3 live contracts. No active Companies House risk flags.

Why: top buyer UK Research and Innovation at 85% · 0 active risk flags · 0 modifications.

Decision signals
0Active red flags
ActiveCompany status
3 of 9Live contracts
85%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
Sectors served · 2/8
Central government✓
Local government✓
NHS & health✓
Housing✓
Utilities & energy✓
Financial services✓
Education✓
Defence✓
Services · 21
Bespoke radiation shielding solutionsLead blanketsV50 modular shielding bricksShielded storage and transport solutionsChevron wall shieldingMedical potsLead lined boardsPipe shieldingChemical tank and vessel lead liningLead woolNon-destructive testing (NDT) enclosuresSecurity shieldingSubsea ballastLead bullet coresPVC coated lead ballastRolled lead sheetHeritage leadCorrugated leadColour coated leadVenus leadAncillary products
Frameworks & DPS · 1 from notices
  • UKSBS PR19111 ISIS Basket Flask Lead ShieldingUK SHARED BUSINESS SERVICES LIMITED · £158k

Extracted automatically from calderlead.co.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

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 · 3 live · 6 historic

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

✓ From notices
TitleBuyerCPVAwardedValueTermStatus
Provision of Lead for Fixed Ballast, RRS Sir David Attenborough
UK Research and Innovation—04 Dec 2025£1.9m10 mopending
UKRI- GSS24700 Modifications to lead shield Competitive quotation
UK SHARED BUSINESS SERVICES LIMITED3512190020 Sept 2024£17k4 moClosed
GSS24684 - Collection of ~ 80 Tonnes of lead bricks for recycling
UK SHARED BUSINESS SERVICES LIMITED9051400012 Sept 2024£10k1 moClosed
GB-Swindon: UKRI-3713 Lead Shield for Germanium Detectors
UK Research & Innovation1471200022 Jan 2024£110k2 moClosed
Storage of 50 Tonnes of Lead
CTM Portal for the NDA Shared Services Alliance6312000010 Mar 2022£46k3 moClosed
UKSBS PR19111 ISIS Basket Flask Lead Shielding
UK SHARED BUSINESS SERVICES LIMITED7130000023 Jan 2020£158k5 moClosed
Provision of Lead for Fixed Ballast, RRS Sir David Attenborough
UK Research and Innovation————Live
CSP26576 - Diagnostic shielding lead bricks
UK Research and Innovation————Live
CSP26344 - Bulk Lead shot
UK Research and Innovation————Live
Total live value — · mean award £253k

Top buyers · 4 buyers · top 3 = 98%

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

✓ From notices
1
UK Research and Innovation
4 contracts
85%
since 2025
2
UK SHARED BUSINESS SERVICES LIMITED
3 contracts
8%
since 2020
3
UK Research & Innovation
1 contract
5%
since 2024
4
CTM Portal for the NDA Shared Services Alliance
1 contract
2%
since 2022

Geography

Distribution of awarded value by buyer region.

✓ From notices
UK · schematic only
South West8 contracts
98%
North West1 contract
2%

Peers

Suppliers with overlapping CPVs & buyers (last 24m). CALDER INDUSTRIAL MATERIALS LIMITED highlighted.

✓ From notices
SupplierSME?Awarded · 24mContracts
GX
GXO
No£4.2bn1
FC
FRAZER-NASH CONSULTANCY LIMITED
No£75.0m1
KI
Kier Integrated Services
No£36.1m3
AE
AECOM LIMITED
No£14.0m4
J1
Johnsons 1871 Ltd
Yes£11.1m2
CI
CALDER INDUSTRIAL MATERIALS LIMITED
Yes£1.9m—
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
Up to date
Next due 20 Oct 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.
00028073
Status
Active
Type
Private limited
Incorporated
21 Jan 1889
Reg. office
C/O Calder Industrial Materials, Jupiter Drive, Chester, CH1 4EX
SIC codes
25990
Last accounts
31 May 2025
Next accounts due
28 Feb 2027

Directors & PSC

  • CARROLL, Andrew — director
    Appointed 05 Jan 2026
  • PRICE, Christian Lee — director
    Appointed 29 Oct 2025
  • PHILLISKIRK, Claire — director
    Appointed 30 Jul 2024
  • IRVINE, Andrew William — director
    Appointed 19 Jun 2023
  • MCKEON, Paul Kenneth — director
    Appointed 05 Sept 2022
  • GRIFFITHS, Rebecca Jane — director
    Appointed 23 May 2022
  • Calder Group Ltd — person with significant control
    ownership of shares 75 to 100 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
CALDER INDUSTRIAL MATERIALS LIMITED
00028073 · this company

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