---
title: "SIPSMA 365 LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/cc953fe1-a34e-5629-a784-cb373864c217
json: https://whiteintel.dev/api/public/dossier/cc953fe1-a34e-5629-a784-cb373864c217
identifier: oo:GB-COH-13751471
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIPSMA 365 LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-13751471`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/cc953fe1-a34e-5629-a784-cb373864c217  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/cc953fe1-a34e-5629-a784-cb373864c217  

## Ownership & control

### Owners / controllers

- **Mr Mark Stephen Sipsma** (beneficial owner) — 75% — https://whiteintel.dev/entity/2618b9f7-072e-547a-b51e-7910988d07cd
- **Mrs Zoe Catherine Harriet Sipsma** (beneficial owner) — 50% — https://whiteintel.dev/entity/caa02a8a-0c4b-5967-8c29-c74072170db2
- **Mr Mark Stephen Sipsma** (beneficial owner) — 62.5% — https://whiteintel.dev/entity/6fd55fad-533f-4a34-9016-6e18584c3370
- **Mrs Zoe Catherine Harriet Sipsma** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/f09c56eb-8a3c-4c5c-b932-3c97a0c6fb1b

### Holdings / subsidiaries

- **MPOWERUP CONSULTING LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/cdf09313-724a-54c9-a337-51e77cb426a4
- **MPOWERUP CONSULTING LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/cdf09313-724a-54c9-a337-51e77cb426a4

### 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:** `13751471`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2021-11-18
- **Registered office:** The Incuhive Space Hursley Park Road, Hursley, Winchester, SO21 2JN, England
- **SIC:** 82990

### Officers

- SIPSMA, Mark Stephen — director · British · appointed 2021-11-18
- SIPSMA, Zoe Catherine Harriet — director · British · appointed 2021-11-18

### Beneficial owners (Persons with Significant Control)

- Mr Mark Stephen Sipsma — 50–75% shares · individual PSC · England — since 2021-11-18
- Mrs Zoe Catherine Harriet Sipsma — 25–50% shares · individual PSC · England — since 2021-11-18

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/13751471
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/13751471

## 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 **SIPSMA 365 LTD** — https://whiteintel.dev/entity/cc953fe1-a34e-5629-a784-cb373864c217 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIPSMA 365 LTD**. Human view: https://whiteintel.dev/entity/cc953fe1-a34e-5629-a784-cb373864c217 · Structured JSON: https://whiteintel.dev/api/public/dossier/cc953fe1-a34e-5629-a784-cb373864c217._

_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"._