# OPTIMUM ENGINEERING DESIGN LTD (NI602366)

> OPTIMUM ENGINEERING DESIGN LTD is an active private limited company (company number NI602366) incorporated on 3 March 2010, registered in Belfast. Its registered activity is engineering related scientific and technical consulting activities (SIC 71122). Latest micro accounts cover the period ending 31 March 2025, showing net assets of −£257, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 101% on the prior period (£30k).

- Status: Active
- Incorporated: 2010-03-03
- Registered office: Belfast, BT8 6QY
- SIC 71122: Engineering related scientific and technical consulting activities
- Next accounts due: 2026-12-31
- Confirmation statement due: 2027-03-17
- Accounts type: MICRO ENTITY

By net assets it sits in the bottom quarter of 240 comparable companies in Belfast (median £11k, upper quartile £59k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-03-31 | −£257 | — | — | £737 | — | — | 1 |
| 2024-03-31 | £30k | — | — | £7,673 | — | — | — |

current ratio 0; size band micro.

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

- Net assets below zero: Net assets £-257 at 31 March 2025
- Net assets down 25% or more on the prior period: -100.8% vs prior period
- Current assets below creditors within one year: Current ratio 0.0
- Incorporated five or more years ago: Incorporated 3 March 2010

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

## Persons with significant control

- Mr Mark Richard Waterworth — owns 75–100% of shares, since 2017-03-02

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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/NI602366
HTML: https://firmoscan.com/company/NI602366-optimum-engineering-design-ltd