£542
No changevs Oct 2024ActiveNI020229Private limited companyCarrickfergus
SAPHIRE WINDOW SYSTEMS LIMITED
Significant control: Mark Sullivan (25–50%), Paul Sullivan (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for Saphire Window Systems Limited: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does Saphire Window Systems Limited sell?
Registered activity: Dormant Company (SIC 99999). We’re building product and service lists for UK companies. Get this one when it’s ready.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
SAPHIRE WINDOW SYSTEMS LIMITED is an active private limited company (company number NI020229) incorporated on 6 March 1987, registered in Carrickfergus. Its registered activity is dormant company (SIC 99999). Latest dormant accounts cover the period ending 31 October 2025, showing net assets of £542, with 0 employees on average. Net assets were unchanged on the prior period.
Peer position · net assets
By net assets it sits in the top quarter of 1,585 comparable companies in Belfast (median £6, upper quartile £100).
02
Ownership and control
- Mark Sullivan
- owns 25–50% of shares
- holds 25–50% of voting rights
- Paul Sullivan
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr John Sullivan
- owns 75–100% of shares
- holds 75–100% 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
- 6 March 198739 yrs ago
- Next accounts due
- 31 July 2027in 278 days
- Confirmation statement due
- 20 March 2027in 145 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 99999
- Dormant Company
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not reported
0
Not reported the period before| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £542 | — | — | — | — | — | 0 |
| 31 October 2024 | £542 | — | — | — | — | — | — |
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 £542 at 31 October 2025
- Incorporated five or more years agoIncorporated 6 March 1987
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 278 days
- Confirmation statement duein 145 days
- Accounts period endNet assets £542 · dormant accounts
- Accounts period endNet assets £542 · dormant accounts
- Incorporated
08
Similar companies in Belfast
- GORDONVILLE SERVICES LIMITEDPortstewart · inc. Feb 1987
- EDENVALE DEVELOPMENTS LIMITEDBelfast · inc. Apr 1987
- LANDERS PROPERTIES LIMITEDBelfast · inc. Apr 1987
- BRIDGE PRIMARY LIMITEDBanbridge · inc. May 1987
- WILLIAM TAYLOR (AGRICULTURAL EQUIPMENT) LIMITEDColeraine · inc. Jan 1987
- EMERDON INVESTMENTS LIMITEDSaintfield Road, · inc. Dec 1986
All companies incorporated on 6 March 1987 · in Mar 1987.
09
Reminders for SAPHIRE WINDOW SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.