£364k
+8%vs Oct 2024Active02558071Private limited companyCardiff
ULTRAWAVE LIMITED
Significant control: Minerva Laboratories Ltd (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Ultrawave Limited sell?
Registered activity: Manufacture of other electrical equipment (SIC 27900). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
ULTRAWAVE LIMITED is an active private limited company (company number 02558071) incorporated on 14 November 1990, registered in Cardiff. Its registered activity is manufacture of other electrical equipment (SIC 27900). Latest small accounts cover the period ending 31 October 2025, showing net assets of £364k and cash of £49k, with 21 employees on average. Net assets rose 8% on the prior period (£337k).
Peer position · net assets
By net assets it sits in the top quarter of 1,715 comparable companies in the UK (median £18k, upper quartile £295k).
02
Ownership and control
- Minerva Laboratories Ltd
- owns 75–100% of shares
- Mr Andrew Malcolm Beresford
- has significant influence or control
- Mr Ian Paul Corp
- has significant influence or control
- M/S Nicola Ann Watkins
- has significant influence or control
- Mr John Alistair Taylor Melville
- has significant influence or control
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
- 14 November 199035 yrs ago
- Next accounts due
- 31 July 2027in 281 days
- Confirmation statement due
- 28 November 2026in 36 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 27900
- Manufacture of other electrical equipment
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£49k
−34%vs Oct 2024Not reported
21
+11%vs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £364k | £49k | £1.17m | £1.09m | — | — | 21 |
| 31 October 2024 | £337k | £74k | £715k | £753k | — | — | 19 |
Current ratio1.12Current assets ÷ creditors within one year
Cash per employee£2,320Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £363,940 at 31 October 2025
- Incorporated five or more years agoIncorporated 14 November 1990
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 281 days
- Confirmation statement duein 36 days
- Accounts period endNet assets £364k · small accounts
- Accounts period endNet assets £337k · small accounts
- Incorporated
08
Similar companies in Cardiff
- NORTECH CONTROL SYSTEMS LIMITEDCwmbran · inc. Aug 1992
- PARAMOUNT ENGINEERING LIMITEDMountain Ash · inc. Jun 1993
- EUROTEK DESIGNS LIMITEDCardiff · inc. Mar 1988
- LODGESONS LIMITEDCardiff · inc. Sept 1987
- CONTROL DEVICES LIMITEDEstate Treforest Pontypridd · inc. Apr 1987
- FIKE SAFETY TECHNOLOGY LTDCwmbran · inc. Nov 1994
All companies incorporated on 14 November 1990 · in Nov 1990.
09
Reminders for ULTRAWAVE LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.