HIGH VOLTAGE INSTRUMENTS LTD
Company number SC314168 · Active · Edinburgh EH3 9DQ
HIGH VOLTAGE INSTRUMENTS LTD is an active private limited company (company number SC314168) incorporated on 5 January 2007, registered in Edinburgh. Its registered activity is non-trading company (SIC 74990). Latest dormant accounts cover the period ending 31 December 2025, showing net assets of £1.15m, with 2 employees on average. Net assets were unchanged on the prior period.
By net assets it sits in the top quarter of 591 comparable companies in Edinburgh (median £2, upper quartile £4).
Key dates
- Incorporated
- 5 January 2007
- Next accounts due
- 30 September 2027 — in 346 days
- Confirmation statement due
- 19 January 2027 — in 92 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 74990
- Non-trading company
- Accounts type
- Dormant
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 December 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £1.15m | — | — | — | — | £1.12m | 2 |
| 31 December 2024 | £1.15m | — | — | — | — | — | 2 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 68/100 (grade B)
- +10 Positive net assets — Net assets £1,152,019 at 2025-12-31
- +8 Established — Incorporated 2007-01-05 (20 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- T & R Test (Holdings) Limited (corporate entity, England And Wales) — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors · since 16 November 2020
- Mrs Yvonne Anne Turpie — owns 25–50% of shares · since 6 April 2016 · ceased 3 October 2017
- (persons with significant control statement) — · since 3 October 2017 · ceased 16 November 2020
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
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- MARKS AND SPENCER (INITIAL LP) LIMITED — Edinburgh, inc. Jan 2007
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Reminders for HIGH VOLTAGE INSTRUMENTS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.