CONTAINED TECHNOLOGIES UK LIMITED
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for Contained Technologies UK Limited: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
What does Contained Technologies UK Limited 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.
Summary
CONTAINED TECHNOLOGIES UK LIMITED is an active private limited company (company number 10978406) incorporated on 23 September 2017, registered in London. Its registered activity is manufacture of electronic industrial process control equipment (SIC 26512). Latest small accounts cover the period ending 30 September 2025, showing net assets of £531k and cash of £13k, with 2 employees on average. Net assets fell 5% on the prior period (£561k).
By net assets it sits in the top quarter of 667 comparable companies in the UK (median £35k, upper quartile £408k).
Ownership and control
No active person with significant control is registered.
- Mr Alex Szymborski
- owns 75–100% of shares
- owns 75–100% of shares
- owns 75–100% of shares
- holds 75–100% of voting rights
- 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.
Key dates
- Incorporated
- 23 September 20179 yrs ago
- Next accounts due
- 30 June 2027in 247 days
- Confirmation statement due
- 7 October 2027in 346 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 26512
- Manufacture of electronic industrial process control equipment
- SIC 61200
- Wireless telecommunications activities
- SIC 62012
- Business and domestic software development
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
Financials
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £531k | £13k | £193k | £17k | — | −£29k | 2 |
| 30 September 2024 | £561k | £25k | £175k | £23k | — | −£39k | 0 |
| 30 September 2023 | — | — | — | — | — | — | — |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Filing and accounts signals
- Net assets above zeroNet assets £531,152 at 30 September 2025
- Current assets at least 1.5× creditors within one yearCurrent ratio 11.95
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 23 September 2017
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.
Timeline
- Confirmation statement duein 346 days
- Next accounts duein 247 days
- Accounts period endNet assets £531k · small accounts
- Accounts period endNet assets £561k · small accounts
- Accounts period end
- Incorporated
Similar companies in London
- AEROSPACE ENGINEERING SYSTEMS LTDLondon · inc. Nov 2017
- MESMERIX LTDLondon · inc. Jun 2018
- THAMES RADIO OPTICS LTDLondon · inc. Dec 2016
- NAVITAS INDUSTRIAL CORPORATION LIMITEDHammersmith · inc. Dec 2016
- INSIGHT SPIN LIMITEDLondon · inc. Nov 2016
- WINNOW HOLDINGS LIMITEDLondon · inc. Aug 2016
All companies incorporated on 23 September 2017 · in Sept 2017.
Reminders for CONTAINED TECHNOLOGIES UK LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.