£648k
+1%vs Jun 2024Active03318026Private limited companyLondon
CYCLOPSE TECHNOLOGY LIMITED
Significant control: David Marsden (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Security dealing on own account (SIC 64991). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
CYCLOPSE TECHNOLOGY LIMITED is an active private limited company (company number 03318026) incorporated on 13 February 1997, registered in London. Its registered activity is security dealing on own account (SIC 64991). Latest micro accounts cover the period ending 21 June 2025, showing net assets of £648k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 1% on the prior period (£644k).
Peer position · net assets
By net assets it sits in the top quarter of 819 comparable companies in London (median £450, upper quartile £80k).
02
Ownership and control
- Dr David Marsden
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mrs Anne-Marie Marsden
- owns 25–50% of shares
- holds 25–50% 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
- 13 February 199729 yrs ago
- Next accounts due
- 21 March 2027in 148 days
- Confirmation statement due
- 27 February 2027in 126 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 64991
- Security dealing on own account
- SIC 74909
- Other professional, scientific and technical activities n.e.c.
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
No changevs Jun 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 21 June 2025 | £648k | — | — | — | — | — | 2 |
| 21 June 2024 | £644k | — | — | — | — | — | 2 |
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 £648,406 at 21 June 2025
- Incorporated five or more years agoIncorporated 13 February 1997
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 148 days
- Confirmation statement duein 126 days
- Accounts period endNet assets £648k · micro accounts
- Accounts period endNet assets £644k · micro accounts
- Incorporated
08
Similar companies in London
09
Reminders for CYCLOPSE TECHNOLOGY LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.