---
title: "KILBARCHAN DEVELOPMENTS LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b91f5524-8b30-5016-b2a0-9cfc8bc11e17
json: https://whiteintel.dev/api/public/dossier/b91f5524-8b30-5016-b2a0-9cfc8bc11e17
identifier: oo:GB-COH-SC666024
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# KILBARCHAN DEVELOPMENTS LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-SC666024`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b91f5524-8b30-5016-b2a0-9cfc8bc11e17  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b91f5524-8b30-5016-b2a0-9cfc8bc11e17  

## Ownership & control

### Owners / controllers

- **Mr John Martin Costello** (beneficial owner) — 100% — https://whiteintel.dev/entity/abb41964-a7f8-5b79-9477-b30f22f6afe1
- **Mr John Martin Costello** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/fe2b77fd-2667-4117-b217-0e61b475f4cb
- **CALLANDER ESTATES LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/413d138f-f5c9-5833-8bfc-0ddad0e1c551
- **ARDEER INVESTMENTS LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/c82a4e86-1b3f-5898-bf02-b192f779cfc9

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

A **10-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:** `SC666024`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2020-07-02
- **Registered office:** 1 Ashley Drive, Bothwell, Glasgow, G71 8BS, Scotland
- **SIC:** 68100

### Officers

- COSTELLO, John Martin — director · British · appointed 2020-07-02

### Beneficial owners (Persons with Significant Control)

- [Callander Estates Limited](https://whiteintel.dev/entity/413d138f-f5c9-5833-8bfc-0ddad0e1c551) — 25–50% shares · corporate PSC · Scotland — since 2021-07-05
- [Ardeer Investments Limited](https://whiteintel.dev/entity/c82a4e86-1b3f-5898-bf02-b192f779cfc9) — 25–50% shares · corporate PSC · Scotland — since 2021-07-05
- Mr John Martin Costello — 75–100% shares · individual PSC · Scotland — ceased 2021-07-05

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC666024
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/SC666024

## 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 **KILBARCHAN DEVELOPMENTS LIMITED** — https://whiteintel.dev/entity/b91f5524-8b30-5016-b2a0-9cfc8bc11e17 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **KILBARCHAN DEVELOPMENTS LIMITED**. Human view: https://whiteintel.dev/entity/b91f5524-8b30-5016-b2a0-9cfc8bc11e17 · Structured JSON: https://whiteintel.dev/api/public/dossier/b91f5524-8b30-5016-b2a0-9cfc8bc11e17._

_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"._