---
title: "SIGMA TOPCO LIMITED — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8bf1633b-5328-587c-924d-e8f591515950
json: https://whiteintel.dev/api/public/dossier/8bf1633b-5328-587c-924d-e8f591515950
identifier: oo:GB-COH-14318208
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIGMA TOPCO LIMITED

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-14318208`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8bf1633b-5328-587c-924d-e8f591515950  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8bf1633b-5328-587c-924d-e8f591515950  

## Ownership & control

### Owners / controllers

- **GRAPHITE CAPITAL PARTNERS IX A LP** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/fab0cb53-ffeb-5d65-aea3-4050b520cdd7
- **GRAPHITE CAPITAL PARTNERS IX C LP** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/a36cd1df-1a82-5f91-935d-509de57b05e8

### Holdings / subsidiaries

- **SIGMA MIDCO 1 LIMITED** (beneficial owner) — 100% — https://whiteintel.dev/entity/53f5a3da-d64d-56ff-91d1-d398b7614d9d
- **SIGMA MIDCO 1 LIMITED** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/53f5a3da-d64d-56ff-91d1-d398b7614d9d

### 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:** `14318208`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2022-08-25
- **Registered office:** Brunel Business Park Jessop Close, Northern Road Industrial Estate, Newark, NG24 2AG, England
- **SIC:** 64209

### Officers

- EMLY, Timothy James — director · British · appointed 2025-01-20
- HOLNESS, Stewart George — director · British · appointed 2024-10-22
- HOLT, John Stuart — director · British · appointed 2022-11-10 · resigned 2025-11-04
- KELLEHER, William Anthony — director · British · appointed 2023-07-01 · resigned 2024-12-17
- MULLER, Neil Keith — director · British · appointed 2022-11-10 · resigned 2025-04-09
- PATON, Daryl Marc — director · British · appointed 2022-11-10 · resigned 2025-02-12
- SPENCE, Timothy James — director · British · appointed 2022-08-25 · resigned 2022-11-10

### Beneficial owners (Persons with Significant Control)

- [Graphite Capital Partners Ix C Lp](https://whiteintel.dev/entity/a36cd1df-1a82-5f91-935d-509de57b05e8) — 25–50% shares · corporate PSC · England — since 2022-11-10
- [Graphite Capital Partners Ix A Lp](https://whiteintel.dev/entity/fab0cb53-ffeb-5d65-aea3-4050b520cdd7) — 75–100% shares · corporate PSC · United Kingdom — since 2022-08-25

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/14318208
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/14318208

## 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 **SIGMA TOPCO LIMITED** — https://whiteintel.dev/entity/8bf1633b-5328-587c-924d-e8f591515950 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIGMA TOPCO LIMITED**. Human view: https://whiteintel.dev/entity/8bf1633b-5328-587c-924d-e8f591515950 · Structured JSON: https://whiteintel.dev/api/public/dossier/8bf1633b-5328-587c-924d-e8f591515950._

_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"._