£1.76m
+10%vs Mar 2024Active04029296Private limited companyPort Talbot
MAINSTREAM MEASUREMENTS LIMITED
Significant control: The British Rototherm Company Limited (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Mainstream Measurements 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.
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01
Summary
MAINSTREAM MEASUREMENTS LIMITED is an active private limited company (company number 04029296) incorporated on 7 July 2000, registered in Port Talbot. Its registered activity is manufacture of electronic industrial process control equipment (SIC 26512). Latest abridged accounts cover the period ending 31 March 2025, showing net assets of £1.76m and cash of £876k, with 6 employees on average. As abridged accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 10% on the prior period (£1.60m).
Peer position · net assets
By net assets it sits in the top quarter of 667 comparable companies in the UK (median £35k, upper quartile £408k).
02
Ownership and control
- The British Rototherm Company Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Ms Beverley Anne Bruce
- owns 75–100% 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
- 7 July 200026 yrs ago
- Next accounts due
- 31 December 2026in 68 days
- Confirmation statement due
- 21 July 2027in 270 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
- Accounts type
- Unaudited Abridged
- Size band
- MicroCompanies Act thresholds
05
Financials
£876k
−3%vs Mar 2024Not disclosed
6
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £1.76m | £876k | £978k | £271k | — | — | 6 |
| 31 March 2024 | £1.60m | £906k | £725k | £196k | — | — | 6 |
Current ratio7.47Current assets ÷ creditors within one year
Cash per employee£146kCash ÷ 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 £1,760,335 at 31 March 2025
- Current assets at least 1.5× creditors within one yearCurrent ratio 7.47
- Cash at bank of £50,000 or moreCash £875,802
- Incorporated five or more years agoIncorporated 7 July 2000
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 270 days
- Next accounts duein 68 days
- Accounts period endNet assets £1.76m · abridged accounts
- Accounts period endNet assets £1.60m · abridged accounts
- Incorporated
08
Similar companies in Swansea
- ELECTECHS LTDSwansea · inc. Oct 2002
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- SOFTWARE SYSTEMS DEVELOPMENTS LIMITEDCarmarthen · inc. Mar 2016
- ENG AUTOMATION AND CONTROLS LTDLlanelli · inc. Dec 2019
- C. & P. CONTROL PANEL SERVICES LTDSwansea · inc. Aug 2023
- DIGITROL LIMITEDEnterprise Park · inc. Jul 1970
All companies incorporated on 7 July 2000 · in Jul 2000.
09
Reminders for MAINSTREAM MEASUREMENTS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.