£122k
vs Oct 2024Active13699167Private limited companyBury St. Edmunds
MCM SUBSEA ENGINEERING (UK) LTD
Significant control: Vasileios Mylonas (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for Mcm Subsea Engineering (UK) Ltd: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does Mcm Subsea Engineering (UK) Ltd sell?
Registered activity: Engineering design activities for industrial process and production (SIC 71121). We’re building product and service lists for UK companies. Get this one when it’s ready.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
MCM SUBSEA ENGINEERING (UK) LTD is an active private limited company (company number 13699167) incorporated on 22 October 2021, registered in Bury St. Edmunds. Its registered activity is engineering design activities for industrial process and production (SIC 71121). Latest micro accounts cover the period ending 31 October 2025, showing net assets of £122k, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 222% on the prior period (−£100k). Across the last 3 periods on record the net-asset trend is volatile.
Peer position · net assets
By net assets it sits in the top quarter of 1,165 comparable companies in Other (median £4,581, upper quartile £36k).
02
Ownership and control
- Vasileios Mylonas
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 22 October 20215 yrs ago
- Next accounts due
- 31 July 2027in 279 days
- Confirmation statement due
- 5 November 2026in 11 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71121
- Engineering design activities for industrial process and production
- SIC 74100
- Specialised design activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
0
−100%vs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £122k | — | — | £151k | — | — | 0 |
| 31 October 2024 | −£100k | — | — | £283k | — | — | 1 |
| 31 October 2023 | £24k | — | — | £197k | — | — | — |
Current ratio0.19Current assets ÷ creditors within one year
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £121,908 at 31 October 2025
- Net assets up 10% or more on the prior period+222.4% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.19
- Three or more accounting periods on record3 periods on record
- Incorporated two to five years agoIncorporated 22 October 2021
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 279 days
- Confirmation statement duein 11 days
- Accounts period endNet assets £122k · micro accounts
- Accounts period endNet liabilities £100k · micro accounts
- Accounts period endNet assets £24k · micro accounts
- Incorporated
08
Similar companies in the UK
- WINTHILL ENGINEERING LTDWorcester · inc. Oct 2021
- RAIL SAFE DESIGN LTDYork · inc. Oct 2021
- EKOGEA CONTRACTS LIMITEDPlymouth · inc. Oct 2021
- MATHESON SERVICES LTDInverness · inc. Oct 2021
- STAR DELTA ROBOTICS LTDArdgay · inc. Oct 2021
- TELLEON LTDKington · inc. Oct 2021
All companies incorporated on 22 October 2021 · in Oct 2021.
09
Reminders for MCM SUBSEA ENGINEERING (UK) LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.