£290k
+27%vs Oct 2024Active10487432Private limited companyWatford
SULLIVAN BROTHERS CONSTRUCTION LTD
Significant control: William Joseph O'Sullivan (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Sullivan Brothers Construction 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
SULLIVAN BROTHERS CONSTRUCTION LTD is an active private limited company (company number 10487432) incorporated on 18 November 2016, registered in Watford. Its registered activity is development of building projects (SIC 41100). Latest micro accounts cover the period ending 31 October 2025, showing net assets of £290k, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 27% on the prior period (£229k). Across the last 3 periods on record the net-asset trend is rising.
Peer position · net assets
By net assets it sits in the top quarter of 8,882 comparable companies in Greater London (median £585, upper quartile £46k).
02
Ownership and control
- Mr William Joseph O'Sullivan
- owns 75–100% of shares
- Mr William Joseph O'Sullivan
- owns 75–100% of shares
- Mr Robert James Thompson
- owns 75–100% 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
- 18 November 20169 yrs ago
- Next accounts due
- 31 July 2027in 277 days
- Confirmation statement due
- 2 December 2026in 36 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
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
0
vs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £290k | — | — | — | — | — | 0 |
| 31 October 2024 | £229k | — | — | — | — | — | 0 |
| 31 October 2023 | −£33k | — | — | — | — | — | 0 |
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 £289,766 at 31 October 2025
- Net assets up 10% or more on the prior period+26.7% vs prior period
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 18 November 2016
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 277 days
- Confirmation statement duein 36 days
- Accounts period endNet assets £290k · micro accounts
- Accounts period endNet assets £229k · micro accounts
- Accounts period endNet liabilities £33k · micro accounts
- Incorporated
08
Similar companies in Greater London
- FAIRVIEW NEW HOMES (CHARLTON) LIMITEDEnfield · inc. Nov 2016
- EQUIPPED BUILDING SERVICES LIMITEDSwanley · inc. Nov 2016
- ASH DEVELOPERS LIMITEDEdgware · inc. Nov 2016
- MONTY SUPERMARKET LIMITEDHarrow · inc. Nov 2016
- R.K. BUILDING CONTRACTORS LIMITEDHounslow · inc. Nov 2016
- BOURNEVALE PROPERTIES LIMITEDOrpington · inc. Nov 2016
All companies incorporated on 18 November 2016 · in Nov 2016.
09
Reminders for SULLIVAN BROTHERS CONSTRUCTION LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.