−£791k
vs May 2024ActiveSC219473Private limited companyLongniddry
TANTALLON SYSTEMS LTD.
Significant control: Martin Eric Jones (25–50%), Fiona Ann Jones (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Tantallon Systems Ltd. sell?
Registered activity: Manufacture of electronic industrial process control equipment (SIC 26512). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
TANTALLON SYSTEMS LTD. is an active private limited company (company number SC219473) incorporated on 23 May 2001, registered in Longniddry. Its registered activity is manufacture of electronic industrial process control equipment (SIC 26512). Latest micro accounts cover the period ending 31 May 2025, showing net assets of −£791k, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the bottom quarter of 667 comparable companies in the UK (median £35k, upper quartile £408k).
02
Ownership and control
- Mr Martin Eric Jones
- owns 25–50% of shares
- Mrs Fiona Ann Jones
- 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
- 23 May 200125 yrs ago
- Next accounts due
- 28 February 2027in 128 days
- Confirmation statement due
- 6 June 2027in 226 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 26512
- Manufacture of electronic industrial process control equipment
- SIC 62012
- Business and domestic software development
- SIC 62030
- Computer facilities management activities
- SIC 71121
- Engineering design activities for industrial process and production
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
0
Not reported the period before| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2025 | −£791k | — | — | £791k | — | — | 0 |
| 31 May 2024 | −£790k | — | — | £789k | — | — | — |
Current ratio0Current assets ÷ creditors within one year
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 £-791,481 at 31 May 2025
- Current assets below creditors within one yearCurrent ratio 0.0
- Incorporated five or more years agoIncorporated 23 May 2001
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 226 days
- Next accounts duein 128 days
- Accounts period endNet liabilities £791k · micro accounts
- Accounts period endNet liabilities £790k · micro accounts
- Incorporated
08
Similar companies in Edinburgh
09
Reminders for TANTALLON SYSTEMS LTD.
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.