£19k
+422%vs Aug 2024Active05534345Private limited companyCarlisle
BLACK BOX ARCHITECTS LIMITED
Significant control: Christopher George Day (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Architectural activities (SIC 71111). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
BLACK BOX ARCHITECTS LIMITED is an active private limited company (company number 05534345) incorporated on 11 August 2005, registered in Carlisle. Its registered activity is architectural activities (SIC 71111). Latest micro accounts cover the period ending 31 August 2025, showing net assets of £19k, 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 422% on the prior period (£3,544).
Peer position · net assets
By net assets it sits in the upper half of 2,430 comparable companies in Other (median £7,168, upper quartile £44k).
02
Ownership and control
- Mr Christopher George Day
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Malcolm Scott Wilson
- owns 50–75% of shares
- holds 50–75% 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
- 11 August 200521 yrs ago
- Next accounts due
- 31 May 2027in 215 days
- Confirmation statement due
- 25 August 2027in 301 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 71111
- Architectural activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
−50%vs Aug 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £19k | — | — | £34k | — | — | 1 |
| 31 August 2024 | £3,544 | — | — | £55k | — | — | 2 |
Current ratio1.51Current assets ÷ creditors within one year
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 £18,509 at 31 August 2025
- Net assets up 10% or more on the prior period+422.3% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.51
- Incorporated five or more years agoIncorporated 11 August 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
- Confirmation statement duein 301 days
- Next accounts duein 215 days
- Accounts period endNet assets £19k · micro accounts
- Accounts period endNet assets £3,544 · micro accounts
- Incorporated
08
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- I K MACLEOD & ASSOCIATES LIMITEDKyle · inc. Jul 2005
- LHL GROUP LIMITEDYork · inc. Aug 2005
- HIKARU KITAI ARCHITECTS LTDBournemouth · inc. Aug 2005
All companies incorporated on 11 August 2005 · in Aug 2005.
09
Reminders for BLACK BOX ARCHITECTS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.