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Calder

© 2026 Calder. All rights reserved.

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Quality

Certifications held, and how they are audited.

What working with us looks likeCalder in figuresSend us a drawing
  • Quality management system

    ISO 9001

    A certified quality management system covering enquiry, production, inspection and dispatch, audited annually.

  • Environmental management

    ISO 14001

    Energy, waste and emissions managed to a certified standard, with data reported to customers on request.

  • Health and safety

    ISO 45001

    A certified occupational health and safety system across every area of the plant.

  • Full material traceability

    EN 10204 3.1

    Certificates of conformity and material test reports supplied with every batch, retained and retrievable by lot.

  • In-house inspection

    Coordinate measuring and surface inspection on site, so first-article and in-process checks do not depend on a third party.

How we work

What working with us looks like

Four stages, and you will always know which one you are in.

  1. 01

    Enquiry

    Send drawings or a sample. Quotation within two working days, with a note on cost drivers.

  2. 02

    First article

    A first article with full inspection report, signed off by you before production runs.

  3. 03

    Production

    Scheduled manufacture with in-process inspection and traceability through every batch.

  4. 04

    Supply

    Delivery to schedule, held stock where agreed, and a quarterly supply review.

By the numbers

Calder in figures

99.2%
on-time delivery
<1%
defect rate
2 days
typical quotation turnaround
ISO 9001
quality management system

Send us a drawing

Quotations usually come back within two working days, with a note on anything in the design that will cost you more than it needs to.

Request a quote