£1
No changevs Oct 2024Active15213649Private limited companyRhos-On-Sea
BLACK BOX CIRCUITS LTD
Significant control: Jamie Andrew Harper (75–100%), Amy Leigh Jones (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Box Circuits 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
BLACK BOX CIRCUITS LTD is an active private limited company (company number 15213649) incorporated on 16 October 2023, registered in Rhos-On-Sea. Its registered activity is engineering design activities for industrial process and production (SIC 71121). Latest micro accounts cover the period ending 30 June 2025, showing net assets of £1, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the lower half of 1,165 comparable companies in Other (median £4,581, upper quartile £36k).
02
Ownership and control
- Mr Jamie Andrew Harper
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Ms Amy Leigh Jones
- 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
- 16 October 20233 yrs ago
- Next accounts due
- 30 March 2027in 158 days
- Confirmation statement due
- 30 October 2026in 7 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
2
+100%vs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | £1 | — | — | — | — | — | 2 |
| 31 October 2024 | £1 | — | — | — | — | — | 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 £1 at 30 June 2025
- Incorporated two to five years agoIncorporated 16 October 2023
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 158 days
- Confirmation statement duein 7 days
- Accounts period endNet assets £1 · micro accounts
- Accounts period endNet assets £1 · micro accounts
- Incorporated
08
Similar companies in the UK
- DESIGN SIGN PRINT LIMITEDBridge Of Allan · inc. Oct 2023
- SETON TECHNICAL SOLUTIONS LIMITEDWrexham · inc. Oct 2023
- NORDHOLST LTDHull · inc. Oct 2023
- DAC DESIGN SERVICES LIMITEDCheltenham · inc. Oct 2023
- GO ROUND LTDHolmer Green · inc. Oct 2023
- NEEDS MADE LIMITEDLifton · inc. Oct 2023
All companies incorporated on 16 October 2023 · in Oct 2023.
09
Reminders for BLACK BOX CIRCUITS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.