£118k
+38%vs Apr 2024ActiveSC532993Private limited companyDumbarton
BLACK ISLAND ENGINEERING LIMITED
Significant control: Connel Treble (50–75%), Kirstie Treble (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Black Island Engineering Limited sell?
Registered activity: Engineering design activities for industrial process and production (SIC 71121). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
BLACK ISLAND ENGINEERING LIMITED is an active private limited company (company number SC532993) incorporated on 19 April 2016, registered in Dumbarton. Its registered activity is engineering design activities for industrial process and production (SIC 71121). Latest micro accounts cover the period ending 30 April 2025, showing net assets of £118k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 38% on the prior period (£85k).
Peer position · net assets
By net assets it sits in the top quarter of 151 comparable companies in Glasgow (median £6,306, upper quartile £51k).
02
Ownership and control
- Mr Connel Treble
- owns 50–75% of shares
- holds 50–75% of voting rights
- can appoint or remove directors
- Kirstie Treble
- 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
- 19 April 201610 yrs ago
- Next accounts due
- 30 January 2027in 97 days
- Confirmation statement due
- 3 May 2027in 190 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71121
- Engineering design activities for industrial process and production
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
No changevs Apr 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 April 2025 | £118k | — | — | — | — | — | 1 |
| 30 April 2024 | £85k | — | — | — | — | — | 1 |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £118,392 at 30 April 2025
- Net assets up 10% or more on the prior period+38.5% vs prior period
- Incorporated five or more years agoIncorporated 19 April 2016
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 190 days
- Next accounts duein 97 days
- Accounts period endNet assets £118k · micro accounts
- Accounts period endNet assets £85k · micro accounts
- Incorporated
08
Similar companies in Glasgow
- R-NA ENGINEERING LIMITEDGlasgow · inc. May 2016
- E&I DESIGN LIMITEDGlasgow · inc. May 2016
- GALLERY ACCESS SOLUTIONS LTDGlasgow · inc. May 2016
- EJK GLASGOW LIMITEDGourock · inc. Jun 2016
- MOSSPARK ENGINEERING LTDGlasgow · inc. Jul 2016
- DESIGN ALL LTDErskine · inc. Aug 2016
All companies incorporated on 19 April 2016 · in Apr 2016.
09
Reminders for BLACK ISLAND ENGINEERING LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.