---
title: "JOHN CALDER & SONS LTD. — Ownership Dossier"
canonical: https://whiteintel.dev/entity/3a37d3e1-1a56-55b7-8a5d-40e772ea2797
json: https://whiteintel.dev/api/public/dossier/3a37d3e1-1a56-55b7-8a5d-40e772ea2797
identifier: oo:GB-COH-SC330901
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# JOHN CALDER & SONS LTD.

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-SC330901`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/3a37d3e1-1a56-55b7-8a5d-40e772ea2797  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/3a37d3e1-1a56-55b7-8a5d-40e772ea2797  

## Ownership & control

### Owners / controllers

- **Mr Derek Calder** (beneficial owner) — https://whiteintel.dev/entity/c6128961-5aa0-5fd4-bfee-e7e3312ae146
- **Mrs Eileen Calder** (beneficial owner) — https://whiteintel.dev/entity/d0c92e0d-2781-5283-bfb1-1686b65de220
- **Mr Iain Calder** (beneficial owner) — https://whiteintel.dev/entity/515c465e-0e50-5102-92cd-ed7be2e20cb9
- **Mr John Calder** (beneficial owner) — https://whiteintel.dev/entity/d5e3c486-d93f-5f5d-8238-1ddf21f5741c
- **Mrs Eileen Calder** (beneficial owner) — https://whiteintel.dev/entity/3adbd2d3-c27a-4957-9016-39a3210073dd
- **Mr Derek Calder** (beneficial owner) — https://whiteintel.dev/entity/393bedb3-f887-46ca-81ac-97ca274ebc4d
- **Mr John Calder** (beneficial owner) — https://whiteintel.dev/entity/0d773545-9acb-4efe-8509-624e0b476a52
- **Mr Iain Calder** (beneficial owner) — https://whiteintel.dev/entity/a3be3e2d-3ca1-45d0-97a9-c597f57b18b4

### UBO chain (walk to the ultimate owner)

A **8-step** ownership/control chain to the ultimate beneficial owner is resolved for this entity. The full cited chain unlocks with a paid API key or a one-off dossier — https://whiteintel.dev/pricing.

## Company profile (live · UK Companies House)

- **Company number:** `SC330901`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2007-09-13
- **Registered office:** 56 Queen Victoria Drive, Glasgow, G14 9DJ
- **SIC:** 43910

### Officers

- CALDER, Eileen — secretary · British · appointed 2007-09-13
- CALDER, Derek — director · British · appointed 2007-09-13
- CALDER, Eileen — director · British · appointed 2007-09-13
- CALDER, Iain — director · British · appointed 2007-09-13
- BRIAN REID LTD. — corporate secretary · appointed 2007-09-13 · resigned 2007-09-13
- CALDER, John — director · British · appointed 2007-09-13 · resigned 2026-01-25
- STEPHEN MABBOTT LTD. — corporate director · appointed 2007-09-13 · resigned 2007-09-13

### Beneficial owners (Persons with Significant Control)

- Mr Derek Calder — significant influence or control · individual PSC — since 2016-04-06
- Mrs Eileen Calder — significant influence or control · individual PSC — since 2016-04-06
- Mr Iain Calder — significant influence or control · individual PSC — since 2016-04-06
- Mr John Calder — significant influence or control · individual PSC — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC330901
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/SC330901

## Get the full, resolved dossier (agent-callable)

The above is the free teaser. The resolved **multi-hop UBO chain**, ownership **%**, full **financial history**, itemised **assets** and the hop-by-hop **exposure path** are the paid depth — callable as tools from your agent:

```bash
npx -y @whiteintel/mcp-server   # then: get_dossier · trace_ownership_path · check_offshore_exposure
```

Or unlock a one-off cited dossier for **JOHN CALDER & SONS LTD.** — https://whiteintel.dev/entity/3a37d3e1-1a56-55b7-8a5d-40e772ea2797 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **JOHN CALDER & SONS LTD.**. Human view: https://whiteintel.dev/entity/3a37d3e1-1a56-55b7-8a5d-40e772ea2797 · Structured JSON: https://whiteintel.dev/api/public/dossier/3a37d3e1-1a56-55b7-8a5d-40e772ea2797._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._