£79k
+62%vs Mar 2025Active09584051Private limited companyPoole
O'SULLIVAN BUILDING SERVICES LTD
Significant control: Alexander James 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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Construction of domestic buildings (SIC 41202). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
O'SULLIVAN BUILDING SERVICES LTD is an active private limited company (company number 09584051) incorporated on 11 May 2015, registered in Poole. Its registered activity is construction of domestic buildings (SIC 41202). Latest micro accounts cover the period ending 31 March 2026, showing net assets of £79k, with 3 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 62% on the prior period (£49k). Across the last 3 periods on record the net-asset trend is volatile.
Peer position · net assets
By net assets it sits in the top quarter of 7,988 comparable companies in Other (median £4,728, upper quartile £62k).
02
Ownership and control
- Mr Alexander James O'Sullivan
- owns 75–100% of shares
- Mrs Lesley O'Sullivan
- owns 25–50% of shares
- Mr John O'Sullivan
- 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
- 11 May 201511 yrs ago
- Next accounts due
- 31 December 2027in 431 days
- Confirmation statement due
- 25 May 2027in 211 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41202
- Construction of domestic buildings
- SIC 43290
- Other construction installation
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
3
No changevs Mar 2025| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2026 | £79k | — | — | — | — | — | 3 |
| 31 March 2025 | £49k | — | — | — | — | — | 3 |
| 31 March 2024 | £49k | — | — | — | — | — | 3 |
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 £79,469 at 31 March 2026
- Net assets up 10% or more on the prior period+62.1% vs prior period
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 11 May 2015
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 431 days
- Confirmation statement duein 211 days
- Accounts period endNet assets £79k · micro accounts
- Accounts period endNet assets £49k · micro accounts
- Accounts period endNet assets £49k · micro accounts
- Incorporated
08
Similar companies in the UK
- DELTA GE CONSTRUCTION LTDHemel Hempstead · inc. May 2015
- ASHMORE DEVELOPMENTS LTDWisbech · inc. May 2015
- BENNETT PROJECTS LTDPoole · inc. May 2015
- HUSSAR GROUP LTDHigh Wycombe · inc. May 2015
- STEFFAN CONSTRUCTION LIMITEDHemel Hempstead · inc. May 2015
- G R F CONSTRUCTION LTDSwindon · inc. May 2015
All companies incorporated on 11 May 2015 · in May 2015.
09
Reminders for O'SULLIVAN BUILDING SERVICES LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.