£35k
−47%vs Sept 2024Active12216597Private limited companyLondon
MRK SOFTWARE HOUSE LTD
Significant control: Jaroslaw Marek (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Mrk Software House Ltd sell?
Registered activity: Other software publishing (SIC 58290). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
MRK SOFTWARE HOUSE LTD is an active private limited company (company number 12216597) incorporated on 20 September 2019, registered in London. Its registered activity is other software publishing (SIC 58290). Latest small accounts cover the period ending 30 September 2025, showing net assets of £35k and cash of £45k, with 3 employees on average. Net assets fell 47% on the prior period (£66k).
Peer position · net assets
By net assets it sits in the top quarter of 2,698 comparable companies in London (median £100, upper quartile £9,081).
02
Ownership and control
- Mr Jaroslaw Marek
- owns 75–100% of shares
- holds 75–100% of voting rights
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
- 20 September 20197 yrs ago
- Next accounts due
- 30 June 2027in 249 days
- Confirmation statement due
- 4 October 2027in 345 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 58290
- Other software publishing
- SIC 61900
- Other telecommunications activities
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£45k
−41%vs Sept 2024Not reported
3
No changevs Sept 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £35k | £45k | £1,091 | £18k | — | — | 3 |
| 30 September 2024 | £66k | £77k | £1,091 | £19k | — | — | 3 |
Current ratio2.6Current assets ÷ creditors within one year
Cash per employee£15kCash ÷ 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 £34,845 at 30 September 2025
- Net assets down 25% or more on the prior period-46.9% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 2.6
- Incorporated five or more years agoIncorporated 20 September 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 345 days
- Next accounts duein 249 days
- Accounts period endNet assets £35k · small accounts
- Accounts period endNet assets £66k · small accounts
- Incorporated
08
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- DEEP DATA TECHNOLOGY LTDLondon · inc. Sept 2019
- MDA TECH LIMITEDLondon · inc. Sept 2019
All companies incorporated on 20 September 2019 · in Sept 2019.
09
Reminders for MRK SOFTWARE HOUSE LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.