£1.75m
+15%vs Jun 2024Active07455794Private limited companyPort Talbot
BLACKBOX-AV LTD
Significant control: David James Knight (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for Blackbox-AV Ltd: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does Blackbox-AV Ltd sell?
Registered activity: Manufacture of electronic components (SIC 26110). We’re building product and service lists for UK companies. Get this one when it’s ready.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
BLACKBOX-AV LTD is an active private limited company (company number 07455794) incorporated on 30 November 2010, registered in Port Talbot. Its registered activity is manufacture of electronic components (SIC 26110). Latest small accounts cover the period ending 30 June 2025, showing net assets of £1.75m and cash of £1.31m, with 12 employees on average. Net assets rose 15% on the prior period (£1.52m).
Peer position · net assets
By net assets it sits in the top quarter of 1,077 comparable companies in the UK (median £13k, upper quartile £342k).
02
Ownership and control
- Mr David James Knight
- owns 75–100% of shares
- holds 75–100% of voting rights
- has significant influence or control
- Mr Jonathan Simon Knight
- owns 50–75% of shares
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
- 30 November 201015 yrs ago
- Next accounts due
- 30 March 2027in 157 days
- Confirmation statement due
- 14 December 2026in 51 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 26110
- Manufacture of electronic components
- SIC 26120
- Manufacture of loaded electronic boards
- SIC 26514
- Manufacture of non-electronic industrial process control equipment
- SIC 59112
- Video production activities
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£1.31m
+24%vs Jun 2024Not reported
12
No changevs Jun 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | £1.75m | £1.31m | £286k | £261k | — | — | 12 |
| 30 June 2024 | £1.52m | £1.06m | £331k | £281k | — | — | 12 |
Current ratio6.92Current assets ÷ creditors within one year
Cash per employee£109kCash ÷ 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 £1,749,801 at 30 June 2025
- Net assets up 10% or more on the prior period+15.5% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 6.92
- Cash at bank of £50,000 or moreCash £1,306,813
- Incorporated five or more years agoIncorporated 30 November 2010
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 157 days
- Confirmation statement duein 51 days
- Accounts period endNet assets £1.75m · small accounts
- Accounts period endNet assets £1.52m · small accounts
- Incorporated
08
Similar companies in Swansea
- B.W.P. SPARK PLUG MANUFACTURING COMPANY LIMITEDPembrokeshire · inc. Jun 2007
- BEU IT LTDSwansea · inc. Dec 2014
- LEO ASSEMBLIES LIMITEDPort Talbot · inc. May 2006
- L&R W LIMITEDCarmarthen · inc. Nov 2003
- GOGGLED LTDNeath · inc. Jun 2019
- MECHATRONICS SYSTEMS WALES LTDNeath · inc. Jun 2020
All companies incorporated on 30 November 2010 · in Nov 2010.
09
Reminders for BLACKBOX-AV LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.