£630k
+16%vs Mar 2024Active01451739Private limited companyMiddlesbrough
SEALPUMP ENGINEERING LIMITED
Owned by Aml Investments (North East) Limited, Stephen John Larkin and 1 other
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
01
Summary
SEALPUMP ENGINEERING LIMITED is an active private limited company (company number 01451739) incorporated on 2 October 1979, registered in Middlesbrough. Its registered activity is wholesale of other intermediate products (SIC 46760). Latest small accounts cover the period ending 31 March 2025, showing net assets of £630k and cash of £391k, with 6 employees on average. Net assets rose 16% on the prior period (£542k).
Peer position · net assets
By net assets it sits in the top quarter of 1,895 comparable companies in the UK (median £30k, upper quartile £367k).
02
Key dates
- Incorporated
- 2 October 197947 yrs ago
- Next accounts due
- 31 December 2026in 70 days
- Confirmation statement due
- 16 October 2027in 359 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 46760
- Wholesale of other intermediate products
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
04
Financials
£391k
−27%vs Mar 2024Not reported
6
+20%vs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £630k | £391k | £348k | — | — | — | 6 |
| 31 March 2024 | £542k | £535k | £221k | — | — | — | 5 |
Cash per employee£65kCash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Filing and accounts signals
- Net assets above zeroNet assets £630,139 at 31 March 2025
- Net assets up 10% or more on the prior period+16.3% vs prior period
- Cash at bank of £50,000 or moreCash £390,530
- Incorporated five or more years agoIncorporated 2 October 1979
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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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
- Aml Investments (North East) Limited
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Stephen John Larkin
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Stuart Duncan Brown
- holds 25–50% of voting rights
- Mrs Margaret Teresa Larkin
- owns 25–50% of shares
- holds 25–50% 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
- Confirmation statement duein 359 days
- Next accounts duein 70 days
- Accounts period endNet assets £630k · small accounts
- Accounts period endNet assets £542k · small accounts
- Incorporated
08
Similar companies in Teesside
- CLEVELAND CABLE COMPANY LIMITEDCleveland · inc. Aug 2005
- ENPACK LIMITEDStockton On Tees · inc. Jun 2013
- VIZITEC LTDHartlepool · inc. Jul 2015
- IC SPRAY LIMITEDMiddlesbrough · inc. Sept 2016
- BISHBOX LTDStockton On Tees · inc. Jun 2020
- CNOTION LTDStockton On Tees · inc. Dec 2022
All companies incorporated on 2 October 1979 · in Oct 1979.
09
Reminders for SEALPUMP ENGINEERING LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.