−£40k
−1088%vs Nov 2024Active08765819Private limited companyGosport
BLUEBOX ENERGY LTD
Significant control: Jonathon Charles Mcguire (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Bluebox Energy Ltd 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
BLUEBOX ENERGY LTD is an active private limited company (company number 08765819) incorporated on 7 November 2013, registered in Gosport. Its registered activity is engineering design activities for industrial process and production (SIC 71121). Latest small accounts cover the period ending 30 November 2025, showing net assets of −£40k and cash of £29k, with 4 employees on average. Net assets fell 1088% on the prior period (£4,091). Across the last 3 periods on record the net-asset trend is volatile.
Peer position · net assets
By net assets it sits in the bottom quarter of 75 comparable companies in Portsmouth (median £8,507, upper quartile £36k).
02
Ownership and control
- Mr Jonathon Charles Mcguire
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
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 November 201312 yrs ago
- Next accounts due
- 30 August 2027in 310 days
- Confirmation statement due
- 21 November 2026in 28 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
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£29k
−18%vs Nov 2024Not reported
4
+100%vs Nov 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 November 2025 | −£40k | £29k | £111k | — | — | — | 4 |
| 30 November 2024 | £4,091 | £36k | £4,261 | — | — | — | 2 |
| 30 November 2023 | −£81k | £92k | £6,666 | — | — | — | 3 |
Cash per employee£7,332Cash ÷ 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 below zeroNet assets £-40,420 at 30 November 2025
- Net assets down 25% or more on the prior period-1088.0% vs prior period
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 7 November 2013
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
- Next accounts duein 310 days
- Confirmation statement duein 28 days
- Accounts period endNet liabilities £40k · small accounts
- Accounts period endNet assets £4,091 · small accounts
- Accounts period endNet liabilities £81k · small accounts
- Incorporated
08
Similar companies in Portsmouth
- RUNNERFLY LIMITEDEast Cowes · inc. Oct 2013
- DPB AUTOMATION LTDBognor Regis · inc. Dec 2013
- OTAUTAHI ENGINEERING LIMITEDWaterlooville · inc. Feb 2014
- ACORN ENGINEERING HAVANT LIMITEDHavant · inc. Jun 2013
- GILES ENGINEERING LIMITEDWaterlooville · inc. Jan 2013
- FRESHWATER INSTRUMENT CONTROL AND AUTOMATION LIMITEDNewport · inc. Aug 2012
All companies incorporated on 7 November 2013 · in Nov 2013.
09
Reminders for BLUEBOX ENERGY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.