£2
No changevs Mar 2025Active12511478Private limited companyLondon
ONYX BUILD GROUP LTD
Significant control: Elizabeth Susan Cook (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Onyx Build Group Ltd sell?
Registered activity: Development of building projects (SIC 41100). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
ONYX BUILD GROUP LTD is an active private limited company (company number 12511478) incorporated on 11 March 2020, registered in London. Its registered activity is development of building projects (SIC 41100). Latest dormant accounts cover the period ending 31 August 2025, showing net assets of £2. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the lower half of 12,682 comparable companies in London (median £413, upper quartile £73k).
02
Ownership and control
- Ms Elizabeth Susan Cook
- owns 75–100% of shares
- holds 75–100% of voting rights
- Richard Sadler
- 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
- 11 March 20206 yrs ago
- Next accounts due
- 31 May 2027in 215 days
- Confirmation statement due
- 25 March 2027in 148 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41100
- Development of building projects
- SIC 41202
- Construction of domestic buildings
- SIC 43320
- Joinery installation
- SIC 43999
- Other specialised construction activities n.e.c.
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not reported
Not reported
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £2 | — | — | — | — | — | — |
| 31 March 2025 | £2 | — | — | — | — | — | — |
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 £2 at 31 August 2025
- Incorporated five or more years agoIncorporated 11 March 2020
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 215 days
- Confirmation statement duein 148 days
- Accounts period endNet assets £2 · dormant accounts
- Accounts period endNet assets £2 · dormant accounts
- Incorporated
08
Similar companies in London
- USHYMA BROGHILL LIMITEDLondon · inc. Mar 2020
- 58 WOODGRANGE ROAD LIMITEDLondon · inc. Mar 2020
- BRICS DEVELOPMENT LIMITEDLondon · inc. Mar 2020
- CLAHANE DEVELOPMENTS LTDLondon · inc. Mar 2020
- LIBERTY TWO GROUP LIMITEDPutney · inc. Mar 2020
- GLENTHORNE LIMITEDLondon · inc. Mar 2020
All companies incorporated on 11 March 2020 · in Mar 2020.
09
Reminders for ONYX BUILD GROUP LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.