# M BLACK SUBSEA SERVICES LIMITED (SC631817)

> M BLACK SUBSEA SERVICES LIMITED is an active private limited company (company number SC631817) incorporated on 29 May 2019, registered in Cupar. Its registered activity is other engineering activities (SIC 71129). Latest small accounts cover the period ending 31 May 2025, showing net assets of £37k and cash of £81k, with 2 employees on average. Net assets rose 1287% on the prior period (£2,638).

- Status: Active
- Incorporated: 2019-05-29
- Registered office: Cupar, KY15 4BY
- SIC 71129: Other engineering activities
- Next accounts due: 2027-02-28
- Confirmation statement due: 2027-06-12
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the upper half of 3,739 comparable companies in Other (median £8,713, upper quartile £50k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-05-31 | £37k | £81k | £5,086 | — | — | — | 2 |
| 2024-05-31 | £2,638 | £51k | £225 | — | — | — | 2 |

size band micro.

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

- Net assets above zero: Net assets £36,581 at 31 May 2025
- Net assets up 10% or more on the prior period: +1286.7% vs prior period
- Cash at bank of £50,000 or more: Cash £80,512
- Incorporated five or more years ago: Incorporated 29 May 2019

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

## Persons with significant control

- Mr Mark Black — owns 25–50% of shares; owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors, since 2019-05-29
- Mrs Deborah Black — owns 25–50% of shares; holds 25–50% of voting rights, since 2021-10-31

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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/SC631817
HTML: https://firmoscan.com/company/SC631817-m-black-subsea-services-limited