Not reported
Active11998436Private limited companyPontypridd
BLACK BOX ADVISORY LTD
Significant control: Lee Williams (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Accounting and auditing activities (SIC 69201). 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 ADVISORY LTD is an active private limited company (company number 11998436) incorporated on 15 May 2019, registered in Pontypridd. Its registered activity is accounting and auditing activities (SIC 69201). Latest micro accounts cover the period ending 31 May 2025, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public.
There are 521 companies in accounting and auditing activities in Cardiff with filed accounts; the median reports net assets of £4,972 and is 12 years old.
02
Ownership and control
- Mr Lee Williams
- owns 75–100% of shares
- Birkenhaus Group Limited
- owns 25–50% of shares
- holds 25–50% of voting rights
- Plutus Consultancy Ltd
- owns 75–100% 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
- 15 May 20197 yrs ago
- Next accounts due
- 28 February 2027in 127 days
- Confirmation statement due
- 29 May 2027in 217 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 69201
- Accounting and auditing activities
- SIC 70221
- Financial management
- SIC 70229
- Management consultancy activities other than financial management
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
No changevs May 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 May 2025 | — | — | — | £28k | — | — | 2 |
| 31 May 2024 | — | — | — | £29k | — | — | 2 |
Current ratio1.23Current 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
- Incorporated five or more years agoIncorporated 15 May 2019
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 217 days
- Next accounts duein 127 days
- Accounts period end
- Accounts period end
- Incorporated
08
Similar companies in Cardiff
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- SGA WORLD LIMITEDCaerphilly · inc. May 2019
- GS GRIFFITHS ACCOUNTANTS LTDCardiff · inc. May 2019
- DM BOOKKEEPING SERVICES LTDNantgarw · inc. May 2019
- PARAGON ACCOUNTANTS AND TAX ADVISORS LTDNewport · inc. Apr 2019
- VOS ACCOUNTING & FINANCIAL SERVICES LTDCardiff · inc. Apr 2019
All companies incorporated on 15 May 2019 · in May 2019.
09
Reminders for BLACK BOX ADVISORY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.