−£128k
vs Mar 2024Active12254246Private limited companyLondon
SEAMARK INNOVATIONS LTD
Significant control: Li Ma (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Seamark Innovations Ltd sell?
Registered activity: Engineering related scientific and technical consulting activities (SIC 71122). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SEAMARK INNOVATIONS LTD is an active private limited company (company number 12254246) incorporated on 10 October 2019, registered in London. 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 −£128k, 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 fell 23% on the prior period (−£104k).
Peer position · net assets
By net assets it sits in the bottom quarter of 1,915 comparable companies in London (median £2,752, upper quartile £31k).
02
Ownership and control
- Dr Li Ma
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
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
- 10 October 20197 yrs ago
- Next accounts due
- 31 December 2026in 65 days
- Confirmation statement due
- 24 October 2027in 362 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71122
- Engineering related scientific and technical consulting activities
- SIC 74909
- Other professional, scientific and technical activities n.e.c.
- SIC 77400
- Leasing of intellectual property and similar products, except copyright works
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
0
vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | −£128k | — | — | £221k | — | — | 0 |
| 31 March 2024 | −£104k | — | — | £179k | — | — | 0 |
Current ratio0.38Current 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 below zeroNet assets £-127,644 at 31 March 2025
- Current assets below creditors within one yearCurrent ratio 0.38
- Incorporated five or more years agoIncorporated 10 October 2019
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
- Confirmation statement duein 362 days
- Next accounts duein 65 days
- Accounts period endNet liabilities £128k · micro accounts
- Accounts period endNet liabilities £104k · micro accounts
- Incorporated
08
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All companies incorporated on 10 October 2019 · in Oct 2019.
09
Reminders for SEAMARK INNOVATIONS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.