---
title: "RIAKTOR LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8539d86a-78d4-50ba-a5cd-05739ee730b2
json: https://whiteintel.dev/api/public/dossier/8539d86a-78d4-50ba-a5cd-05739ee730b2
identifier: oo:GB-COH-07354316
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# RIAKTOR LTD

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-07354316`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8539d86a-78d4-50ba-a5cd-05739ee730b2  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8539d86a-78d4-50ba-a5cd-05739ee730b2  

## Ownership & control

### Owners / controllers

- **Nestor Shalay** (beneficial owner) — https://whiteintel.dev/entity/3fcd925d-aa40-555a-9c55-23ae4b336e42
- **Mr Stephen Alan Katanka** (beneficial owner) — 100% — https://whiteintel.dev/entity/76149afa-bcbd-52ba-9857-6f6d6b3645a0
- **Ms Sharon Birna Stephensdottir Katanka** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/f764a5d6-c676-4076-9a9d-3286faac9987
- **Ms Lilja Natasha Katanka** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/30507367-dfa1-4405-8164-ed7919c5fdd3
- **Mr Jakob Agust Harry Katanka Kaye** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/6ae1867a-7cb1-4106-9218-6385d1da6c8f
- **Nestor Shalay** (beneficial owner) — https://whiteintel.dev/entity/49522d38-a746-48c8-bcb0-94834fa01868
- **Mr Stephen Alan Katanka** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/bd7d29cc-d2f6-48c8-a08b-758c01eab7ae

### Holdings / subsidiaries

- **ACCOIL RECYCLING LIMITED** (beneficial owner) — 50% — https://whiteintel.dev/entity/8b7d654a-678d-566a-9962-cdb4d7fbc1c2
- **KATAMA LTD** (beneficial owner) — 100% — https://whiteintel.dev/entity/b25dbb33-7ac1-5061-90a0-5e09639b15ad
- **BURNT MILLS DEVELOPMENTS LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/22f86d55-c66d-5042-af1e-d95ff8d652c5
- **CLAREMONT PROPERTY GROUP LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/ab0d0d14-fdfe-5d48-b4cb-57810d645226
- **PRO-FIT GREEN ENERGY LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/9dcdf3e0-c0c1-5ed9-a405-1cf36486d117
- **VANACOMM LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/4f74fea1-ff7f-507a-8b16-7bf4724a7a78
- **MATTEPHEN FOREST LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/49a97de2-1bf9-5abf-9de7-68f0ce3d854c
- **SOUTHLANDS ROAD DEVELOPMENTS LTD** (beneficial owner) — 50% — https://whiteintel.dev/entity/56c971f6-0b8d-51ae-ba8d-df27e33c3984
- **CLAREMONT PROPERTY GROUP LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/ab0d0d14-fdfe-5d48-b4cb-57810d645226
- **ACCOIL RECYCLING LIMITED** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/8b7d654a-678d-566a-9962-cdb4d7fbc1c2
- **SOUTHLANDS ROAD DEVELOPMENTS LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/56c971f6-0b8d-51ae-ba8d-df27e33c3984
- **PRO-FIT GREEN ENERGY LTD** (beneficial owner) — 37.5% — https://whiteintel.dev/entity/9dcdf3e0-c0c1-5ed9-a405-1cf36486d117

…and **11** more subsidiaries/holdings. Resolve the full list with `get_dossier` on the WhiteIntel MCP (`npx -y @whiteintel/mcp-server`) or a one-off dossier — https://whiteintel.dev/pricing.

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

A **7-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:** `07354316`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2010-08-24
- **Registered office:** 67 Westow Street, Upper Norwood, London, SE19 3RW
- **SIC:** 68320

## Financials (Companies House accounts)

| Figure | 2026-03-31 |
|---|---:|
| Net assets | £1,350,656 |
| Cash | £126,988 |
| Shareholder funds | £50,000 |
| Fixed assets | £1,347,421 |
| Current assets | £5,517,266 |
| Employees | 2 |

_Latest filed period. Full 2-year history unlocks with a paid dossier — https://whiteintel.dev/pricing. As filed at Companies House._

### Officers

- KATANKA, Sharon Birna Stephensdottir — director · Icelandic · appointed 2023-09-13
- KATANKA, Stephen Alan — director · British · appointed 2025-03-13
- ISON, Sidney Brian — secretary · appointed 2010-08-24 · resigned 2014-09-26
- ISON, Sidney Brian — director · British · appointed 2010-08-24 · resigned 2014-09-26
- KATANKA, Stephen Alan — director · British · appointed 2023-05-22 · resigned 2024-07-01
- KAYE, Stephen Alan — director · British · appointed 2010-08-24 · resigned 2014-09-26
- SHALAY, Nestor — director · Russian · appointed 2010-11-26 · resigned 2023-05-22

### Beneficial owners (Persons with Significant Control)

- Ms Sharon Birna Stephensdottir Katanka — 25–50% shares · individual PSC · United Kingdom — since 2024-07-01
- Ms Lilja Natasha Katanka — 25–50% shares · individual PSC — since 2024-07-01
- Mr Jakob Agust Harry Katanka Kaye — 25–50% shares · individual PSC — since 2024-07-01
- Mr Stephen Alan Katanka — 75–100% shares · individual PSC — ceased 2024-07-01
- Nestor Shalay — significant influence or control · individual PSC · Ukraine — ceased 2023-05-24

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/07354316
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/07354316/filing-history
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/07354316

## 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 **RIAKTOR LTD** — https://whiteintel.dev/entity/8539d86a-78d4-50ba-a5cd-05739ee730b2 · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **RIAKTOR LTD**. Human view: https://whiteintel.dev/entity/8539d86a-78d4-50ba-a5cd-05739ee730b2 · Structured JSON: https://whiteintel.dev/api/public/dossier/8539d86a-78d4-50ba-a5cd-05739ee730b2._

_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"._