£10k
+414%vs Feb 2025Active05370629Private limited companyAddlestone
BLACKBOX SOLUTIONS LIMITED
Significant control: John Martin Colohan (75–100%), Jacqueline Sharon Colohan (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Information technology consultancy activities (SIC 62020). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
BLACKBOX SOLUTIONS LIMITED is an active private limited company (company number 05370629) incorporated on 21 February 2005, registered in Addlestone. Its registered activity is information technology consultancy activities (SIC 62020). Latest small accounts cover the period ending 28 February 2026, showing net assets of £10k and cash of £55k, with 1 employee on average. Net assets rose 414% on the prior period (£1,952). Across the last 3 periods on record the net-asset trend is volatile.
Peer position · net assets
By net assets it sits in the upper half of 12,553 comparable companies in Greater London (median £6,706, upper quartile £48k).
02
Ownership and control
- Mr John Martin Colohan
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mrs Jacqueline Sharon Colohan
- owns 75–100% of shares
- holds 75–100% 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
- 21 February 200521 yrs ago
- Next accounts due
- 28 November 2027in 399 days
- Confirmation statement due
- 7 March 2027in 133 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 62020
- Information technology consultancy activities
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£55k
−5%vs Feb 2025Not reported
1
No changevs Feb 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 28 February 2026 | £10k | £55k | £32k | — | — | — | 1 |
| 28 February 2025 | £1,952 | £57k | £4,950 | — | — | — | 1 |
| 29 February 2024 | £26k | £95k | £2,200 | — | — | — | 1 |
Cash per employee£55kCash ÷ 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 £10,034 at 28 February 2026
- Net assets up 10% or more on the prior period+414.0% vs prior period
- Cash at bank of £50,000 or moreCash £54,518
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 21 February 2005
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 399 days
- Confirmation statement duein 133 days
- Accounts period endNet assets £10k · small accounts
- Accounts period endNet assets £1,952 · small accounts
- Accounts period endNet assets £26k · small accounts
- Incorporated
08
Similar companies in Greater London
- JAQUES RESOURCES LIMITEDMiddlesex · inc. Feb 2005
- I-QUALITAS LIMITEDSurrey · inc. Feb 2005
- AVIDUS CONSULTING LIMITEDRichmond · inc. Feb 2005
- GRIDWARE LIMITEDAshtead · inc. Feb 2005
- CNET-2K LIMITEDIlford · inc. Feb 2005
- TANGO CONSULT LIMITEDRuislip · inc. Feb 2005
All companies incorporated on 21 February 2005 · in Feb 2005.
09
Reminders for BLACKBOX SOLUTIONS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.