---
title: "D&M TRAFFIC MANAGEMENT LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/aeaf21ce-c3fc-5c8a-b770-fa3f14834314
json: https://whiteintel.dev/api/public/dossier/aeaf21ce-c3fc-5c8a-b770-fa3f14834314
identifier: oo:GB-COH-SC814175
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# D&M TRAFFIC MANAGEMENT LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-SC814175`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/aeaf21ce-c3fc-5c8a-b770-fa3f14834314  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/aeaf21ce-c3fc-5c8a-b770-fa3f14834314  

## Ownership & control

### Owners / controllers

- **Mr James Malcolm Diack** (beneficial owner) — 100% — https://whiteintel.dev/entity/09c8804e-5e22-5ba3-9b79-15fe74db6fb8
- **Mr James Malcolm Diack** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c8634e1f-0e50-40e4-8161-cf161f2caa57
- **DIACK AND MACAULAY (HOLDINGS) LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/66672c3c-ba59-5cb5-9f67-ec912f1a9cb0

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

A **7-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:** `SC814175`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2024-06-20
- **Registered office:** 7 Gartferry Road, Chryston, Glasgow, G69 0LY, Scotland
- **SIC:** 43999

### Officers

- DIACK, James Malcolm — director · British · appointed 2024-06-20
- DIACK, Stuart James — director · British · appointed 2024-09-17

### Beneficial owners (Persons with Significant Control)

- [Diack And Macaulay (Holdings) Limited](https://whiteintel.dev/entity/66672c3c-ba59-5cb5-9f67-ec912f1a9cb0) — 75–100% shares · corporate PSC · Scotland — since 2024-09-19
- Mr James Malcolm Diack — 75–100% shares · individual PSC · Scotland — ceased 2024-09-19

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC814175
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/SC814175

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **D&M TRAFFIC MANAGEMENT LIMITED**. Human view: https://whiteintel.dev/entity/aeaf21ce-c3fc-5c8a-b770-fa3f14834314 · Structured JSON: https://whiteintel.dev/api/public/dossier/aeaf21ce-c3fc-5c8a-b770-fa3f14834314._

_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"._