£626k
+80%vs Jan 2024Active04149289Private limited companyWiltshire
SPECIALIST INSTRUMENTS LIMITED
Significant control: Glynne Caron Rees (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Other business support service activities n.e.c. (SIC 82990). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SPECIALIST INSTRUMENTS LIMITED is an active private limited company (company number 04149289) incorporated on 29 January 2001, registered in Wiltshire. Its registered activity is other business support service activities n.e.c. (SIC 82990). Latest small accounts cover the period ending 31 January 2025, showing net assets of £626k and cash of £503k, with 10 employees on average. Net assets rose 80% on the prior period (£347k).
Peer position · net assets
By net assets it sits in the top quarter of 17,790 comparable companies in Other (median £3,372, upper quartile £48k).
02
Ownership and control
- Mr Glynne Caron Rees
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mrs Ann Elizabeth Rees
- 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. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 29 January 200125 yrs ago
- Next accounts due
- 31 October 2026in 8 days
- Confirmation statement due
- 12 February 2027in 112 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 82990
- Other business support service activities n.e.c.
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£503k
+192%vs Jan 2024Not reported
10
+43%vs Jan 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 January 2025 | £626k | £503k | £248k | — | — | — | 10 |
| 31 January 2024 | £347k | £172k | £180k | — | — | — | 7 |
Cash per employee£50kCash ÷ 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 £625,870 at 31 January 2025
- Net assets up 10% or more on the prior period+80.2% vs prior period
- Cash at bank of £50,000 or moreCash £502,633
- Incorporated five or more years agoIncorporated 29 January 2001
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 112 days
- Next accounts duein 8 days
- Accounts period endNet assets £626k · small accounts
- Accounts period endNet assets £347k · small accounts
- Incorporated
08
Similar companies in the UK
- ZURICH TRANSITIONAL SERVICES LIMITEDSwindon · inc. Jan 2001
- JSO PRODUCTIONS LIMITEDHigh Wycombe · inc. Jan 2001
- MDA CONSULTANT LIMITEDHuntingdon · inc. Jan 2001
- FOCAL.JMLAB UK LIMITEDSalisbury · inc. Jan 2001
- J.D. POPE & SONS LIMITEDSomerset · inc. Feb 2001
- PREMIER OFFICE SOLUTIONS LIMITEDGloucestershire · inc. Feb 2001
All companies incorporated on 29 January 2001 · in Jan 2001.
09
Reminders for SPECIALIST INSTRUMENTS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.