−£22k
vs Jan 2025Active14060568Private limited companyScunthorpe
SIEMARKS LIMITED
Significant control: Christopher Roe (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Siemarks Limited 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
SIEMARKS LIMITED is an active private limited company (company number 14060568) incorporated on 21 April 2022, registered in Scunthorpe. Its registered activity is engineering related scientific and technical consulting activities (SIC 71122). Latest micro accounts cover the period ending 31 January 2026, showing net assets of −£22k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 66% on the prior period (−£13k).
Peer position · net assets
By net assets it sits in the bottom quarter of 336 comparable companies in Sheffield (median £5,453, upper quartile £32k).
02
Ownership and control
- Mr Christopher Roe
- 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
- 21 April 20224 yrs ago
- Next accounts due
- 31 October 2027in 372 days
- Confirmation statement due
- 5 May 2027in 193 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 71129
- Other engineering activities
- SIC 96090
- Other service activities n.e.c.
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
No changevs Jan 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 January 2026 | −£22k | — | — | — | — | — | 1 |
| 31 January 2025 | −£13k | — | — | — | — | — | 1 |
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 £-21,864 at 31 January 2026
- Net assets down 25% or more on the prior period-65.8% vs prior period
- Incorporated two to five years agoIncorporated 21 April 2022
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 372 days
- Confirmation statement duein 193 days
- Accounts period endNet liabilities £22k · micro accounts
- Accounts period endNet liabilities £13k · micro accounts
- Incorporated
08
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All companies incorporated on 21 April 2022 · in Apr 2022.
09
Reminders for SIEMARKS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.