£2.23m
−37%vs Nov 2024Active03661864Private limited companyGoffs Oak
SULLIVAN BROS. (CONSTRUCTION) LIMITED
Significant control: Navillus Holdings Limited (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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: Other construction installation (SIC 43290). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
SULLIVAN BROS. (CONSTRUCTION) LIMITED is an active private limited company (company number 03661864) incorporated on 5 November 1998, registered in Goffs Oak. Its registered activity is other construction installation (SIC 43290). Latest small accounts cover the period ending 30 November 2025, showing net assets of £2.23m and cash of £1.03m, with 28 employees on average. Net assets fell 37% on the prior period (£3.57m). Across the last 3 periods on record the net-asset trend is falling.
Peer position · net assets
By net assets it sits in the top quarter of 2,318 comparable companies in Greater London (median £4,861, upper quartile £35k).
02
Ownership and control
- Navillus Holdings Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mrs Catherine O'Sullivan
- owns 25–50% of shares
- Mr Daniel Gerard O'Sullivan
- owns 25–50% 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
- 5 November 199827 yrs ago
- Next accounts due
- 30 August 2027in 310 days
- Confirmation statement due
- 19 November 2026in 26 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43290
- Other construction installation
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£1.03m
−52%vs Nov 2024Not reported
28
+47%vs Nov 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 November 2025 | £2.23m | £1.03m | — | £1.36m | — | — | 28 |
| 30 November 2024 | £3.57m | £2.12m | £4.86m | — | — | — | 19 |
| 30 November 2023 | £3.87m | £2.07m | £2.80m | — | — | — | 14 |
Current ratio1.92Current assets ÷ creditors within one year
Cash per employee£37kCash ÷ 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 £2,230,779 at 30 November 2025
- Net assets down 25% or more on the prior period-37.5% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.92
- Cash at bank of £50,000 or moreCash £1,025,690
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 5 November 1998
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 310 days
- Confirmation statement duein 26 days
- Accounts period endNet assets £2.23m · small accounts
- Accounts period endNet assets £3.57m · small accounts
- Accounts period endNet assets £3.87m · small accounts
- Incorporated
08
Similar companies in Greater London
- BAKERS INSULATIONS LTDLongfield · inc. Oct 1998
- CONSTRUCTION & SHOPFITTING LIMITEDHertfordshire · inc. Nov 1998
- CLS ELECTRICAL LIMITEDEssex · inc. Jul 1998
- IMEDCO LIMITEDRadlett · inc. Jul 1998
- CONTROL SYSTEMS INSTALLATIONS LIMITEDEastcote · inc. Jun 1998
- JUST DESIGN SERVICES LIMITEDRickmansworth · inc. May 1999
All companies incorporated on 5 November 1998 · in Nov 1998.
09
Reminders for SULLIVAN BROS. (CONSTRUCTION) LIMITED
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