£617k
+7%vs May 2024Active06254134Private limited companyCardiff
ARGONAUT SYSTEMS LTD
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Argonaut Systems Ltd sell?
Registered activity: Business and domestic software development (SIC 62012). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
ARGONAUT SYSTEMS LTD is an active private limited company (company number 06254134) incorporated on 21 May 2007, registered in Cardiff. Its registered activity is business and domestic software development (SIC 62012). Latest small accounts cover the period ending 31 May 2025, showing net assets of £617k and cash of £5,817, with 4 employees on average. Net assets rose 7% on the prior period (£576k).
Peer position · net assets
By net assets it sits in the top quarter of 651 comparable companies in Cardiff (median £200, upper quartile £20k).
02
Ownership and control
No active person with significant control is registered.
- Mr Stephen Christopher Coleman
- owns 25–50% 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
- 21 May 200719 yrs ago
- Next accounts due
- 28 February 2027in 129 days
- Confirmation statement due
- 4 June 2027in 225 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 62012
- Business and domestic software development
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£5,817
−40%vs May 2024Not reported
4
vs May 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2025 | £617k | £5,817 | £0 | — | — | — | 4 |
| 31 May 2024 | £576k | £9,712 | £61k | — | — | — | 0 |
Cash per employee£1,454Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £616,677 at 31 May 2025
- Incorporated five or more years agoIncorporated 21 May 2007
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 225 days
- Next accounts duein 129 days
- Accounts period endNet assets £617k · small accounts
- Accounts period endNet assets £576k · small accounts
- Incorporated
08
Similar companies in Cardiff
- RDB SOFTWARE LIMITEDPontypridd · inc. May 2007
- TECH REPAIR LIMITEDNewport · inc. Mar 2007
- VCA TECHNOLOGY LTDChepstow · inc. Feb 2007
- CROSCOM LTDCardiff · inc. Aug 2007
- DETERMINANT LIMITEDNewport · inc. Sept 2007
- ALTUS IT LTDSouth Glamorgan · inc. Sept 2007
All companies incorporated on 21 May 2007 · in May 2007.
09
Reminders for ARGONAUT SYSTEMS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.