CI
CALDER INDUSTRIAL MATERIALS LIMITED
CALDER INDUSTRIAL MATERIALS LIMITED is a UK limited company, based in Chester, incorporated in 1889. Has won 8 UK public-sector contracts worth £2.3m across 4 buyers, primarily UK Research and Innovation.
Active contracts
2
no new awards in 30d
Contracted (12m)
£1.9m
▲ 7109% vs prior 12m
Public buyers
4
stable this month
Top buyer share
85%
UK Research and Innovation
Buyer concentration
Each block sized by share of total award value. A dominant block signals dependency on one buyer.
Severe concentration. Top buyer alone = 85% of revenue.
UK Research and Innovation
£1.9m
85%UK SHARED BUSINESS SERVICES LIMITED
£184k
8%UK RESEARCH & INNOVATION
£110k
5%CTM Portal for the NDA Shared Services Alliance
£46k
2%Contracts won · 8 total · 2 active · 5 expired
Every contract award published under the Procurement Act.
| Title | Buyer | Award type | Value | Awarded | Status |
|---|---|---|---|---|---|
| Provision of Lead for Fixed Ballast, RRS Sir David Attenborough | UK Research and Innovation | Direct contract | £1.9m | 18 Nov 2025 | pending |
| UKSBS PR19111 ISIS Basket Flask Lead Shielding | UK SHARED BUSINESS SERVICES LIMITED | Framework call off | £158k ceiling · ~£158k share | 31 Jan 2020 | expired |
| GB-Swindon: UKRI-3713 Lead Shield for Germanium Detectors | UK RESEARCH & INNOVATION | Direct contract | £110k | 15 Jan 2024 | expired |
| Storage of 50 Tonnes of Lead | CTM Portal for the NDA Shared Services Alliance | Direct contract | £46k | 10 Mar 2022 | expired |
| UKRI- GSS24700 Modifications to lead shield Competitive quotation | UK SHARED BUSINESS SERVICES LIMITED | Direct contract | £17k | 20 Sept 2024 | expired |
| GSS24684 - Collection of ~ 80 Tonnes of lead bricks for recycling | UK SHARED BUSINESS SERVICES LIMITED | Direct contract | £10k | 12 Sept 2024 | expired |
| Provision of Lead for Fixed Ballast, RRS Sir David Attenborough | UK Research and Innovation | Direct contract | — | — | active |
| CSP26344 - Bulk Lead shot | UK Research and Innovation | Direct contract | — | — | active |