---
title: "SIGMA CURVE LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/369cba09-0d16-51fc-8a3a-1248e21531df
json: https://whiteintel.dev/api/public/dossier/369cba09-0d16-51fc-8a3a-1248e21531df
identifier: oo:GB-COH-SC649771
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SIGMA CURVE LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-SC649771`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/369cba09-0d16-51fc-8a3a-1248e21531df  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/369cba09-0d16-51fc-8a3a-1248e21531df  

## Ownership & control

### Owners / controllers

- **Julie Kristen Rankin-Perez** (beneficial owner) — 100% — https://whiteintel.dev/entity/bdfcebd9-30fd-5ea8-9256-6686fa7ea478
- **Julie Kristen Rankin-Perez** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/08428f1c-d66f-449b-b4f7-f783fa725d59

### 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:** `SC649771`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2019-12-16
- **Registered office:** 273 High Street, Linlithgow, EH49 7EP, Scotland
- **SIC:** 74909

### Officers

- PEREZ RUIZ, Joaquin — director · Spanish · appointed 2019-12-16
- RANKIN-PEREZ, Julie Kristen — director · British · appointed 2019-12-16

### Beneficial owners (Persons with Significant Control)

- Julie Kristen Rankin-Perez — 75–100% shares · individual PSC · Scotland — since 2019-12-16

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/SC649771
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/SC649771

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SIGMA CURVE LTD**. Human view: https://whiteintel.dev/entity/369cba09-0d16-51fc-8a3a-1248e21531df · Structured JSON: https://whiteintel.dev/api/public/dossier/369cba09-0d16-51fc-8a3a-1248e21531df._

_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"._