---
title: "SERIOUSLY FUN SWIMMING SCHOOLS LLP — Ownership Dossier"
canonical: https://whiteintel.dev/entity/4b73fac5-0551-5e71-845d-33399a65da8b
json: https://whiteintel.dev/api/public/dossier/4b73fac5-0551-5e71-845d-33399a65da8b
identifier: oo:GB-COH-OC335006
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# SERIOUSLY FUN SWIMMING SCHOOLS LLP

**Type:** Company  
**Jurisdiction:** [GB](https://whiteintel.dev/jurisdictions/gb)  
**Identifier:** `oo:GB-COH-OC335006`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/4b73fac5-0551-5e71-845d-33399a65da8b  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/4b73fac5-0551-5e71-845d-33399a65da8b  

## Ownership & control

### Owners / controllers

- **Mr Jonathon Lawrence Madden** (beneficial owner) — 50% — https://whiteintel.dev/entity/80f8b8ba-d8c0-580e-a154-03015c1c88ba
- **Mr Phillip Edward Madden** (beneficial owner) — 50% — https://whiteintel.dev/entity/06c00872-4858-5937-969b-6aeba6bca410
- **Mr Jonathon Lawrence Madden** (beneficial owner) — https://whiteintel.dev/entity/0e587b62-123e-477c-9659-2c6d729352e9
- **Mr Phillip Edward Madden** (beneficial owner) — https://whiteintel.dev/entity/ba65beec-bc4a-4192-8a1d-c38ac0bdc476

### 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:** `OC335006`
- **Status:** active
- **Type:** llp
- **Incorporated:** 2008-02-21
- **Registered office:** C/O Seriously Fun Ltd 82a James Carter Road, Mildenhall, Bury St. Edmunds, IP28 7DE, England

## Financials (Companies House accounts)

| Figure | 2025-03-31 |
|---|---:|
| Net assets | £212,645 |
| Cash | £3,152 |
| Fixed assets | £280,781 |
| Current assets | £3,482 |
| Employees | 0 |

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

### Officers

- MADDEN, Janet — llp designated member · appointed 2018-12-15
- MADDEN, Jonathon Lawrence — llp designated member · appointed 2008-02-21
- MADDEN, Phillip Edward — llp designated member · appointed 2008-02-21
- [NEDDAM LTD](https://whiteintel.dev/entity/7fa1d528-f89e-566e-9373-9a88d8446b72) — corporate llp designated member · appointed 2010-09-20
- [NOFIO LIMITED](https://whiteintel.dev/entity/bc26f538-ae12-535f-8929-fbacc5b6bcb2) — corporate llp designated member · appointed 2010-10-14
- ATKINSON, Mae — llp member · appointed 2024-09-25
- BARKER, James — llp member · appointed 2012-11-30
- BATES, Emily — llp member · appointed 2022-05-18
- BOYER, Amber — llp member · appointed 2024-03-11
- CHESTER, Harry — llp member · appointed 2024-10-16
- CLARK, Joseph — llp member · appointed 2022-07-07
- COULDRY, William — llp member · appointed 2021-09-21
- DE CASTRO, Tyra — llp member · appointed 2026-04-07
- DODIA, Simran — llp member · appointed 2025-10-08
- EVEREST, Natasha — llp member · appointed 2023-04-03
- FERNANDES, Daniela De Castro — llp member · appointed 2023-07-03
- GHAFOOR, Rehan — llp member · appointed 2024-10-06
- GRAVESTOCK, Amy — llp member · appointed 2023-07-17
- HILLS, Richard Nathan — llp member · appointed 2026-01-20
- HOMER, Noah — llp member · appointed 2026-04-07

### Beneficial owners (Persons with Significant Control)

- Mr Jonathon Lawrence Madden — 25–50% shares · individual PSC · England — since 2016-04-06
- Mr Phillip Edward Madden — 25–50% shares · individual PSC · England — since 2016-04-06

## Provenance

- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/OC335006
- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/OC335006
- companies_house_accounts — https://find-and-update.company-information.service.gov.uk/company/OC335006/filing-history

## 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 **SERIOUSLY FUN SWIMMING SCHOOLS LLP** — https://whiteintel.dev/entity/4b73fac5-0551-5e71-845d-33399a65da8b · pricing https://whiteintel.dev/pricing.

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **SERIOUSLY FUN SWIMMING SCHOOLS LLP**. Human view: https://whiteintel.dev/entity/4b73fac5-0551-5e71-845d-33399a65da8b · Structured JSON: https://whiteintel.dev/api/public/dossier/4b73fac5-0551-5e71-845d-33399a65da8b._

_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"._