£267k
−3%vs Oct 2024Active03453301Private limited companyNorthfleet
SEALTECH LIMITED
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
01
Summary
SEALTECH LIMITED is an active private limited company (company number 03453301) incorporated on 21 October 1997, registered in Northfleet. Its registered activity is manufacture of electronic industrial process control equipment (SIC 26512). Latest micro accounts cover the period ending 31 October 2025, showing net assets of £267k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 3% on the prior period (£275k).
Peer position · net assets
By net assets it sits in the upper half of 667 comparable companies in the UK (median £35k, upper quartile £408k).
02
Key dates
- Incorporated
- 21 October 199729 yrs ago
- Next accounts due
- 31 July 2027in 282 days
- Confirmation statement due
- 4 November 2026in 13 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 26512
- Manufacture of electronic industrial process control equipment
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
04
Financials
Not reported
Not disclosed
2
No changevs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £267k | — | — | £8,191 | — | — | 2 |
| 31 October 2024 | £275k | — | — | £15k | — | — | 2 |
Current ratio32.56Current 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.
05
Filing and accounts signals
- Net assets above zeroNet assets £266,619 at 31 October 2025
- Current assets at least 1.5× creditors within one yearCurrent ratio 32.56
- Incorporated five or more years agoIncorporated 21 October 1997
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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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.
06
Ownership and control
- Mr John Philip Tiller
- 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.
07
Timeline
- Next accounts duein 282 days
- Confirmation statement duein 13 days
- Accounts period endNet assets £267k · micro accounts
- Accounts period endNet assets £275k · micro accounts
- Incorporated
08
Similar companies in Greater London
- ANALYTICAL MEASUREMENTS LIMITEDAshford · inc. Jun 1998
- PAGEANTRY ELECTRONIC SYSTEMS LIMITEDChessington · inc. Sept 1995
- RELIANT MACHINERY LIMITEDWatford · inc. Nov 2001
- AERODYN LTDPurley · inc. Jun 2007
- HCP ENGINEERING LIMITEDWest Molesey · inc. Jun 2008
- TRI CONTROL SYSTEMS LTDUxbridge · inc. Apr 1985
All companies incorporated on 21 October 1997 · in Oct 1997.
09
Reminders for SEALTECH LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.