# CRYSTAL SIGMA LTD (04902311)

> CRYSTAL SIGMA LTD is an active private limited company (company number 04902311) incorporated on 17 September 2003. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest small accounts cover the period ending 31 March 2025, showing net assets of £225k and cash of £327k, with 16 employees on average. Net assets fell 12% on the prior period (£257k).

- Status: Active
- Incorporated: 2003-09-17
- Registered office: NW2 7AY
- SIC 43220: Plumbing, heat and air-conditioning installation
- Next accounts due: 2026-12-31
- Confirmation statement due: 2027-10-01
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 2,146 comparable companies in London (median £2,932, upper quartile £20k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-03-31 | £225k | £327k | — | — | — | — | 16 |
| 2024-03-31 | £257k | £104k | — | — | — | — | 16 |

size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £224,713 at 31 March 2025
- Cash at bank of £50,000 or more: Cash £327,340
- Incorporated five or more years ago: Incorporated 17 September 2003

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Riaz & Sons Holding Ltd (corporate-entity) — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2017-05-12

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/04902311
HTML: https://firmoscan.com/company/04902311-crystal-sigma-ltd