ISLAY SUBSURFACE & ENGINEERING LTD
Company number 07390117 · Active · Kingston Upon Thames KT2 5LN
ISLAY SUBSURFACE & ENGINEERING LTD is an active private limited company (company number 07390117) incorporated on 28 September 2010, registered in Kingston Upon Thames. Its registered activity is other research and experimental development on natural sciences and engineering (SIC 72190). Latest small accounts cover the period ending 30 September 2025, showing net assets of £458k and cash of £338k, with 2 employees on average. Net assets rose 89% on the prior period (£242k).
By net assets it sits in the top quarter of 210 comparable companies in Greater London (median £1,000, upper quartile £52k).
Key dates
- Incorporated
- 28 September 2010
- Next accounts due
- 30 June 2027 — in 251 days
- Confirmation statement due
- 12 October 2027 — in 355 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Total Exemption Full
- Size band
- Micro (Companies Act thresholds)
Financials — 2 periods on record, latest ending 30 September 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £458k | £338k | £830k | £710k | — | — | 2 |
| 30 September 2024 | £242k | £218k | £346k | £324k | — | — | 2 |
- Current ratio
- 1.64 — comfortable
- Cash per employee
- £169k
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 88/100 (grade A)
- +10 Positive net assets — Net assets £457,513 at 2025-09-30
- +8 Net assets growing — +89.1% vs prior period
- +8 Comfortable liquidity — Current ratio 1.64
- +4 Cash reserves — Cash £337,569
- +8 Established — Incorporated 2010-09-28 (16 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
- Mrs Juliet Katherine Whyte — owns 25–50% of shares; holds 25–50% of voting rights · since 6 April 2016
- Mr Iain Whyte — owns 50–75% of shares; holds 50–75% of voting rights; can appoint or remove directors · since 6 April 2016
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in Greater London
Same activity (other research and experimental development on natural sciences and engineering), closest in incorporation date.
- INGENIUM GLOBAL LTD — Sutton, inc. Oct 2010
- KB CLINICAL RESEARCH LIMITED — Rickmansworth, inc. Dec 2010
- VANTAGE POWER LIMITED — Greenford, inc. Jan 2011
- NVB COMPOSITES INTERNATIONAL UK LIMITED — Chatwell Heath, inc. Mar 2011
- BADMINTON RACKET REVIEW LTD — Southall, inc. May 2011
- FRANKEN SYSTEMS LIMITED — Surbiton, inc. May 2011
All companies incorporated on 28 September 2010 · in Sept 2010.
Reminders for ISLAY SUBSURFACE & ENGINEERING LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.