---
title: "SUMMIT UPSTREAM LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/c0010c2c-acfb-5dc9-8981-30d3d2fb724e
json: https://whiteintel.dev/api/public/dossier/c0010c2c-acfb-5dc9-8981-30d3d2fb724e
identifier: oo:GB-COH-SC361278
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SUMMIT UPSTREAM LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-SC361278`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/c0010c2c-acfb-5dc9-8981-30d3d2fb724e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/c0010c2c-acfb-5dc9-8981-30d3d2fb724e  

## Ownership & control

### Owners / controllers

- **Mr Douglas James Kinghorn** (beneficial owner) — 50% — https://whiteintel.dev/entity/e9322ac4-e2fa-526b-ab80-2aefa04e9b3e
- **Mr Dennis Roark Krahn** (beneficial owner) — 50% — https://whiteintel.dev/entity/1e021294-0c56-5e01-b123-e7c0b5bd3e33
- **Mr Dennis Roark Krahn** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/9ba4330a-64d6-4fa8-a479-59bfe4c78375
- **Mr Douglas James Kinghorn** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/0312a64e-9cf0-4da0-b741-49af22f8b2e3

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

A **4-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:** `SC361278`
- **Status:** dissolved
- **Type:** ltd
- **Incorporated:** 2009-06-16
- **Registered office:** 42 Queens Road, Aberdeen, AB15 4YE, Scotland
- **SIC:** 82990

### Officers

- KINGHORN, Douglas James — director · British · appointed 2009-06-16
- KRAHN, Dennis Roark — director · American · appointed 2009-06-16 · resigned 2022-12-22

### Beneficial owners (Persons with Significant Control)

- Mr Douglas James Kinghorn — 25–50% shares · individual PSC · Scotland — since 2016-04-26
- Mr Dennis Roark Krahn — 25–50% shares · individual PSC · United Kingdom — ceased 2022-12-22

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC361278

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SUMMIT UPSTREAM LIMITED**. Human view: https://whiteintel.dev/entity/c0010c2c-acfb-5dc9-8981-30d3d2fb724e · Structured JSON: https://whiteintel.dev/api/public/dossier/c0010c2c-acfb-5dc9-8981-30d3d2fb724e._

_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"._