£26k
+13%vs Mar 2024Active11856482Private limited companySwansea
J & M SULLIVAN LIMITED
Significant control: Joseph David Sullivan (25–50%), Matthew John Sullivan (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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
J & M SULLIVAN LIMITED is an active private limited company (company number 11856482) incorporated on 4 March 2019, registered in Swansea. Its registered activity is other construction installation (SIC 43290). Latest micro accounts cover the period ending 31 March 2025, showing net assets of £26k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 13% on the prior period (£23k).
Peer position · net assets
By net assets it sits in the top quarter of 160 comparable companies in Swansea (median £2,848, upper quartile £25k).
02
Ownership and control
- Mr Joseph David Sullivan
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr Matthew John Sullivan
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
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
- 4 March 20197 yrs ago
- Next accounts due
- 31 December 2026in 69 days
- Confirmation statement due
- 18 March 2027in 146 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
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | £26k | — | — | — | — | — | 2 |
| 31 March 2024 | £23k | — | — | — | — | — | 2 |
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 £26,372 at 31 March 2025
- Net assets up 10% or more on the prior period+12.7% vs prior period
- Incorporated five or more years agoIncorporated 4 March 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 146 days
- Next accounts duein 69 days
- Accounts period endNet assets £26k · micro accounts
- Accounts period endNet assets £23k · micro accounts
- Incorporated
08
Other companies named J & M Sullivan Limited
Looking for a different J & M Sullivan Limited? These register entries share the name; check the number and dates.
09
Similar companies in Swansea
- PEMBROKESHIRE BUILD LIMITEDHaverfordwest · inc. Apr 2019
- E & S HUGHES & SONS LIMITEDFishguard · inc. Jan 2019
- MODULAR INTEGRATED SYSTEMS LTDLlanelli · inc. Apr 2019
- HALL INSULATION LTDMilford Haven · inc. May 2019
- CAMBRAI SERVICES LIMITEDHaverfordwest · inc. May 2019
- GOWER ENERGY LTDSwansea · inc. May 2019
All companies incorporated on 4 March 2019 · in Mar 2019.
10
Reminders for J & M SULLIVAN LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.