£13.39m
No changevs Dec 2023Active10405794Private limited companyLondon
SIMUDYNE HOLDINGS LTD
Significant control: Justin Thomas Lyon (25–50%), Dahlia Lamy (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Activities of head offices (SIC 70100). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SIMUDYNE HOLDINGS LTD is an active private limited company (company number 10405794) incorporated on 1 October 2016, registered in London. Its registered activity is activities of head offices (SIC 70100). Latest small accounts cover the period ending 31 December 2024, showing net assets of £13.39m and cash of £2,833, with 2 employees on average. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the top quarter of 2,449 comparable companies in London (median £796, upper quartile £159k).
02
Ownership and control
- Mr Justin Thomas Lyon
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mrs Dahlia Lamy
- 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
- 1 October 201610 yrs ago
- Next accounts due
- 30 September 202626 days overdue
- Confirmation statement due
- 15 October 2027in 354 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 70100
- Activities of head offices
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£2,833
−79%vs Dec 2023Not reported
2
No changevs Dec 2023| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2024 | £13.39m | £2,833 | £3,568 | — | — | — | 2 |
| 31 December 2023 | £13.44m | £13k | £0 | — | — | — | 2 |
Cash per employee£1,416Cash ÷ 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 £13,388,703 at 31 December 2024
- Incorporated five or more years agoIncorporated 1 October 2016
- Accounts past their due dateDue 30 September 2026
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 354 days
- Next accounts due26 days overdue
- Accounts period endNet assets £13.39m · small accounts
- Accounts period endNet assets £13.44m · small accounts
- Incorporated
08
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All companies incorporated on 1 October 2016 · in Oct 2016.
09
Reminders for SIMUDYNE HOLDINGS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.