---
title: "MAS MORTGAGES LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/556d7809-98ba-5d43-9148-e3a556fd06ac
json: https://whiteintel.dev/api/public/dossier/556d7809-98ba-5d43-9148-e3a556fd06ac
identifier: oo:GB-COH-14545585
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# MAS MORTGAGES LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-14545585`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/556d7809-98ba-5d43-9148-e3a556fd06ac  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/556d7809-98ba-5d43-9148-e3a556fd06ac  

## Ownership & control

### Owners / controllers

- **Mr Michael Andrew Siviter** (beneficial owner) — 100% — https://whiteintel.dev/entity/b7d2dbf8-f4d1-522b-9c6b-c5e0f8f4b97f
- **Mr Michael Andrew Siviter** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/ffcf75d9-80a7-45e6-b6e0-51073c7a4e8a

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

1. **Mr Michael Andrew Siviter** — beneficial owner 100% → *MAS MORTGAGES LTD*
1. **Mr Michael Andrew Siviter** — beneficial owner 87.5% → *MAS MORTGAGES LTD*

## Company profile (live · UK Companies House)

- **Company number:** `14545585`
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 2022-12-16
- **Registered office:** 41 ST. MARYS ROAD, PORINGLAND, NORWICH, NR14 7SR
- **SIC:** 64999 - Financial intermediation not elsewhere classified

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14545585
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14545585

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **MAS MORTGAGES LTD**. Human view: https://whiteintel.dev/entity/556d7809-98ba-5d43-9148-e3a556fd06ac · Structured JSON: https://whiteintel.dev/api/public/dossier/556d7809-98ba-5d43-9148-e3a556fd06ac._

_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"._