# RONSEK LIMITED (05133530)

> RONSEK LIMITED is an active private limited company (company number 05133530) incorporated on 20 May 2004, registered in Hertfordshire. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). Latest micro accounts cover the period ending 19 May 2025, showing net assets of £877, with 1 employee on average. Turnover was £7,790 and profit for the year −£78k. Net assets fell 30% on the prior period (£1,261).

- Status: Active
- Incorporated: 2004-05-20
- Registered office: Hertfordshire, CM23 5LE
- SIC 72190: Other research and experimental development on natural sciences and engineering
- SIC 74909: Other professional, scientific and technical activities n.e.c.
- Next accounts due: 2027-02-19
- Confirmation statement due: 2027-06-03
- Accounts type: MICRO ENTITY

By net assets it sits in the upper half of 75 comparable companies in Essex (median £223, upper quartile £10k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-05-19 | £877 | — | — | — | £7,790 | −£78k | 1 |
| 2024-05-19 | £1,261 | — | — | — | £16k | −£71k | — |

net margin -1006.2%; size band micro.

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

- Net assets above zero: Net assets £877 at 19 May 2025
- Net assets down 25% or more on the prior period: -30.5% vs prior period
- Incorporated five or more years ago: Incorporated 20 May 2004

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

## Persons with significant control

- Dr Kesorn Weaver — owns 50–75% of shares; holds 50–75% of voting rights, since 2016-04-06
- Dr Kesorn Weaver — has significant influence or control, since 2017-11-07

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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/05133530
HTML: https://firmoscan.com/company/05133530-ronsek-limited