---
title: "CALCULUS FINANCIAL SERVICES LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/78b7cc5e-5f38-54e3-a31f-950cea67b60d
json: https://whiteintel.dev/api/public/dossier/78b7cc5e-5f38-54e3-a31f-950cea67b60d
identifier: oo:GB-COH-06853013
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# CALCULUS FINANCIAL SERVICES LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-06853013`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/78b7cc5e-5f38-54e3-a31f-950cea67b60d  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/78b7cc5e-5f38-54e3-a31f-950cea67b60d  

## Ownership & control

### Owners / controllers

- **Mrs Margaret Clough** (beneficial owner) — 50% — https://whiteintel.dev/entity/993bb3e8-f475-5d6b-a558-126f35dda91a
- **Mr Andrew Martin Clough** (beneficial owner) — 50% — https://whiteintel.dev/entity/95ec9c1a-63b9-5775-8e36-73371fc70c5f
- **Mrs Margaret Clough** (beneficial owner) — 50% — https://whiteintel.dev/entity/7624cb95-af08-58f3-bbca-adcf677c0fb3
- **Mrs Margaret Clough** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/d8c348d5-9c99-4440-a1e9-6439254cc58d
- **Mr Andrew Martin Clough** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ff97c202-a2ba-4252-9410-52d93eda51ac
- **Mrs Margaret Clough** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/3d83a310-ea66-44b2-88a0-2f9939356704

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

1. **Mrs Margaret Clough** — beneficial owner 50% → *CALCULUS FINANCIAL SERVICES LTD*
1. **Mr Andrew Martin Clough** — beneficial owner 50% → *CALCULUS FINANCIAL SERVICES LTD*
1. **Mrs Margaret Clough** — beneficial owner 50% → *CALCULUS FINANCIAL SERVICES LTD*
1. **Mrs Margaret Clough** — beneficial owner 37.5% → *CALCULUS FINANCIAL SERVICES LTD*
1. **Mr Andrew Martin Clough** — beneficial owner 37.5% → *CALCULUS FINANCIAL SERVICES LTD*
1. **Mrs Margaret Clough** — beneficial owner 37.5% → *CALCULUS FINANCIAL SERVICES LTD*

## Company profile (live · UK Companies House)

- **Company number:** `06853013`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2009-03-19
- **Registered office:** 51 Lawn Drive, Chudleigh, Devon, TQ13 0LS
- **SIC:** 69201

### Officers

- CLOUGH, Andrew Martin — director · British · appointed 2009-03-19
- CLOUGH, Margaret — director · British · appointed 2022-12-07 · resigned 2026-02-20
- CLOUGH, Margaret — director · British · appointed 2013-12-01 · resigned 2020-04-01

### Beneficial owners (Persons with Significant Control)

- Mr Andrew Martin Clough — 25–50% shares · individual PSC — since 2016-04-06
- Mrs Margaret Clough — 25–50% shares · individual PSC — ceased 2026-02-20
- Mrs Margaret Clough — 25–50% shares · individual PSC — ceased 2020-01-01

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/06853013
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/06853013

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **CALCULUS FINANCIAL SERVICES LTD**. Human view: https://whiteintel.dev/entity/78b7cc5e-5f38-54e3-a31f-950cea67b60d · Structured JSON: https://whiteintel.dev/api/public/dossier/78b7cc5e-5f38-54e3-a31f-950cea67b60d._

_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"._