---
title: "GRESHAMS IPSWICH LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/b0c03f6f-b313-55da-a4e9-4deea8cb19d5
json: https://whiteintel.dev/api/public/dossier/b0c03f6f-b313-55da-a4e9-4deea8cb19d5
identifier: oo:GB-COH-10900464
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# GRESHAMS IPSWICH LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-10900464`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/b0c03f6f-b313-55da-a4e9-4deea8cb19d5  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/b0c03f6f-b313-55da-a4e9-4deea8cb19d5  

## Ownership & control

### Owners / controllers

- **Mr Mark Calver** (beneficial owner) — https://whiteintel.dev/entity/e2639607-c5e0-5fc9-a01c-573a1bba1600
- **Mr Mark Calver** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/c39972bf-e7e2-4b1b-9ccf-e4aff6e40ae9

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

A **2-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:** `10900464`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2017-08-04
- **Registered office:** 9 Byford Court Crockatt Road, Hadleigh, Ipswich, Suffolk, IP7 6RD, United Kingdom
- **SIC:** 56210

### Officers

- CALVER, Mark — director · British · appointed 2017-08-04
- KILL, Oliver James — director · British · appointed 2017-08-04 · resigned 2017-11-01
- TURNER, Sandra Joan — director · British · appointed 2017-08-04 · resigned 2017-11-01

### Beneficial owners (Persons with Significant Control)

- Mr Mark Calver — 75–100% shares · individual PSC · United Kingdom — since 2017-08-04

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/10900464
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/10900464

## 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 **GRESHAMS IPSWICH LTD** — https://whiteintel.dev/entity/b0c03f6f-b313-55da-a4e9-4deea8cb19d5 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **GRESHAMS IPSWICH LTD**. Human view: https://whiteintel.dev/entity/b0c03f6f-b313-55da-a4e9-4deea8cb19d5 · Structured JSON: https://whiteintel.dev/api/public/dossier/b0c03f6f-b313-55da-a4e9-4deea8cb19d5._

_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"._