---
title: "Kathryn Mayer — Ownership Dossier"
canonical: https://whiteintel.dev/entity/abb0fa86-c388-5dcb-9a8a-8653a97aef9d
json: https://whiteintel.dev/api/public/dossier/abb0fa86-c388-5dcb-9a8a-8653a97aef9d
identifier: oo-person:GB-COH-PER-15477711-rqDtEMSEYRFJDh8oXM35f6tqu-s
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Kathryn Mayer

**Type:** Person  
**Jurisdiction:** GB  
**Identifier:** `oo-person:GB-COH-PER-15477711-rqDtEMSEYRFJDh8oXM35f6tqu-s`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/abb0fa86-c388-5dcb-9a8a-8653a97aef9d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/abb0fa86-c388-5dcb-9a8a-8653a97aef9d  

## Ownership & control

### Holdings / subsidiaries

- **MANTIS MASONRY LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/f600b341-4f16-5005-8dad-f8f71e0ac138

## Provenance

- OpenOwnership — https://www.openownership.org

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Kathryn Mayer**. Human view: https://whiteintel.dev/entity/abb0fa86-c388-5dcb-9a8a-8653a97aef9d · Structured JSON: https://whiteintel.dev/api/public/dossier/abb0fa86-c388-5dcb-9a8a-8653a97aef9d._

_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"._